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  • MPEC 2021-R130 : 2021 RH2

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    M.P.E.C. 2021-R130                            Issued 2021 September 7, 11:10 UT
    
         The Minor Planet Electronic Circulars contain information on unusual
             minor planets and routine data on comets.  They are published
        on behalf of Division F of the International Astronomical Union by the
              Minor Planet Center, Smithsonian Astrophysical Observatory,
                              Cambridge, MA 02138, U.S.A.
    
                 Prepared using the Tamkin Foundation Computer Network
    
                                  MPC@CFA.HARVARD.EDU
                URL https://www.minorplanetcenter.net/    ISSN 1523-6714
    
                                    2021 RH2                                 
    
    
    Observations:
         K21R02H* C2021 09 06.23761521 30 36.19 +05 39 16.0          18.28GVER130703
         K21R02H  C2021 09 06.24297221 30 38.24 +05 35 33.4          17.65GVER130703
         K21R02H  C2021 09 06.24833121 30 40.40 +05 31 51.3          17.72GVER130703
         K21R02H  C2021 09 06.25368721 30 42.48 +05 28 06.9          17.91GVER130703
         K21R02H KC2021 09 06.30432521 31 02.67 +04 52 48.6          18.02GVER130703
         K21R02H KC2021 09 06.30506221 31 02.96 +04 52 17.6          17.93GVER130703
         K21R02H KC2021 09 06.30579521 31 03.24 +04 51 46.6          17.63GVER130703
         K21R02H KC2021 09 06.30652621 31 03.56 +04 51 16.1          17.69GVER130703
         K21R02H  C2021 09 06.68686 21 34 12.24 +00 16 34.3          18.6 GVER130N88
         K21R02H  C2021 09 06.68712 21 34 12.35 +00 16 22.1          18.6 GVER130N88
         K21R02H  C2021 09 06.68738 21 34 12.45 +00 16 10.3          18.5 GVER130N88
         K21R02H  C2021 09 06.68763 21 34 12.54 +00 15 58.7          18.5 GVER130N88
         K21R02H  C2021 09 06.68789 21 34 12.65 +00 15 47.5          18.5 GVER130N88
         K21R02H KC2021 09 06.77169321 34 59.01 -00 46 48.4          17.2 GVER130L18
         K21R02H KC2021 09 06.77342821 34 59.81 -00 48 06.7          17.4 GVER130L18
         K21R02H KC2021 09 06.77516521 35 00.50 -00 49 24.7          17.8 GVER130L18
         K21R02H KC2021 09 06.77690121 35 01.34 -00 50 42.5          17.5 GVER130L18
         K21R02H 1C2021 09 06.78095221 35 04.81 -00 53 43.8          18.4 GVER130246
         K21R02H 1C2021 09 06.78126921 35 04.91 -00 53 58.5          17.9 GVER130246
         K21R02H 1C2021 09 06.78135621 35 05.00 -00 54 02.1          18.0 GVER130246
         K21R02H 1C2021 09 06.78144421 35 04.99 -00 54 06.5                VER130246
         K21R02H 1C2021 09 06.78153121 35 05.09 -00 54 10.3                VER130246
         K21R02H 1C2021 09 06.78161821 35 05.09 -00 54 14.9          18.0 GVER130246
         K21R02H 1C2021 09 06.78170621 35 05.14 -00 54 17.9                VER130246
         K21R02H 1C2021 09 06.78179421 35 05.21 -00 54 22.4                VER130246
         K21R02H KC2021 09 06.78529921 35 07.26 -00 56 52.2          17.8 GXER130595
         K21R02H 1C2021 09 06.78593121 35 07.08 -00 57 27.4                VER130246
         K21R02H 1C2021 09 06.78601821 35 07.13 -00 57 32.1                VER130246
         K21R02H 1C2021 09 06.78610621 35 07.11 -00 57 36.0          18.3 GVER130246
         K21R02H 1C2021 09 06.78636821 35 07.29 -00 57 47.8                VER130246
         K21R02H KC2021 09 06.78910521 35 08.93 -00 59 43.5          17.7 GXER130595
         K21R02H KC2021 09 06.79180621 35 10.79 -01 01 40.7          18.3 GVER130104
         K21R02H 1C2021 09 06.79243 21 35 10.11 -01 02 25.8          18.5 VVER130033
         K21R02H 1C2021 09 06.79274 21 35 10.26 -01 02 39.9          18.6 VVER130033
         K21R02H KC2021 09 06.79291821 35 10.68 -01 02 35.3          17.4 GXER130595
         K21R02H 1C2021 09 06.79305 21 35 10.40 -01 02 53.7          18.5 VVER130033
         K21R02H KC2021 09 06.79480921 35 12.14 -01 03 55.9          18.5 GVER130104
         K21R02H KC2021 09 06.79589921 35 12.68 -01 04 44.5          17.9 GVER130K63
         K21R02H KC2021 09 06.79709921 35 12.59 -01 05 43.4          18.2 GXER130595
         K21R02H KC2021 09 06.80090421 35 14.92 -01 08 30.9          18.7 GVER130K63
         K21R02H KC2021 09 06.80165921 35 14.64 -01 09 09.5                XER130595
         K21R02H KC2021 09 06.80231321 35 15.55 -01 09 33.9          18.4 GVER130104
         K21R02H KC2021 09 06.80396121 35 16.36 -01 10 48.7          18.9 GVER130K63
         K21R02H KC2021 09 06.80526321 35 16.96 -01 11 47.0          18.6 GVER130K63
         K21R02H KC2021 09 06.81273 21 35 20.46 -01 17 23.8          19.2 GXER130K78
         K21R02H KC2021 09 06.81390421 35 22.41 -01 18 14.6          18.6 GXER130958
         K21R02H KC2021 09 06.81523 21 35 19.81 -01 19 30.6          18.3 GXER130G02
         K21R02H KC2021 09 06.81669 21 35 22.14 -01 20 23.0          19.2 GXER130K78
         K21R02H KC2021 09 06.81871921 35 24.64 -01 21 52.9          18.4 GXER130958
         K21R02H KC2021 09 06.82059 21 35 23.95 -01 23 18.8          19.3 GXER130K78
         K21R02H KC2021 09 06.82106 21 35 22.41 -01 23 52.9          18.0 GXER130G02
         K21R02H IC2021 09 06.82208421 35 23.93 -01 24 29.1          18.5 GVER130L01
         K21R02H IC2021 09 06.82272221 35 24.21 -01 24 58.1          18.4 GVER130L01
         K21R02H IC2021 09 06.82336421 35 24.51 -01 25 27.2          18.4 GVER130L01
         K21R02H KC2021 09 06.82353421 35 26.88 -01 25 30.1          18.0 GXER130958
         K21R02H KC2021 09 06.82530021 35 25.38 -01 26 54.5          18.2 GVER130L01
         K21R02H KC2021 09 06.82704 21 35 25.12 -01 28 22.6          18.0 GXER130G02
         K21R02H KC2021 09 06.82783821 35 26.52 -01 28 49.2          18.1 GVER130L01
         K21R02H KC2021 09 06.83836221 35 32.81 -01 36 59.5          17.6 GVER130J95
         K21R02H KC2021 09 06.83985621 35 33.53 -01 38 07.2          17.6 GVER130J95
         K21R02H KC2021 09 06.84135921 35 34.23 -01 39 15.1          17.6 GVER130J95
         K21R02H KC2021 09 06.84256821 35 34.78 -01 40 10.1          17.4 GVER130J95
         K21R02H KC2021 09 06.86207 21 35 44.17 -01 54 37.5          17.8 GVER130I93
         K21R02H KC2021 09 06.86215921 35 43.63 -01 54 58.5          18.6 GVER130Z80
         K21R02H KC2021 09 06.86358 21 35 44.87 -01 55 46.1          17.8 GVER130I93
         K21R02H KC2021 09 06.86432121 35 44.78 -01 56 35.1          18.1 VqER130J69
         K21R02H KC2021 09 06.86508 21 35 45.52 -01 56 54.4          18.3 GVER130I93
         K21R02H KC2021 09 06.86693121 35 45.98 -01 58 33.5          18.4 VqER130J69
         K21R02H KC2021 09 06.86693221 35 45.98 -01 58 33.8          18.2 VqER130J69
         K21R02H KC2021 09 06.86954221 35 47.19 -02 00 32.6          18.5 VqER130J69
         K21R02H KC2021 09 06.87066321 35 47.43 -02 01 25.0          18.7 GVER130Z80
         K21R02H KC2021 09 06.92026 21 36 08.34 -02 38 46.3          17.9 GVER130K83
         K21R02H KC2021 09 06.92428 21 36 10.14 -02 41 49.4          18.1 GVER130K83
         K21R02H KC2021 09 06.92826 21 36 11.93 -02 44 51.6          18.0 GVER130K83
         K21R02H KC2021 09 07.13011121 38 05.17 -05 19 46.7          18.4 VqER130858
         K21R02H KC2021 09 07.13246721 38 06.32 -05 21 36.3          18.0 VqER130858
         K21R02H KC2021 09 07.13495021 38 07.45 -05 23 32.6          18.9 VqER130858
         K21R02H KC2021 09 07.14590 21 38 10.44 -05 32 15.7          19.0 GVER130734
         K21R02H KC2021 09 07.15072 21 38 12.66 -05 36 02.2          18.7 GVER130734
         K21R02H KC2021 09 07.15313 21 38 13.79 -05 37 54.6          18.4 GVER130734
         K21R02H  C2021 09 07.16613421 38 22.92 -05 47 44.6          17.26GVER130703
         K21R02H KC2021 09 07.16627521 38 18.29 -05 48 10.9          17.8 VuER130H21
         K21R02H KC2021 09 07.16733721 38 18.78 -05 49 00.6          17.7 VuER130H21
         K21R02H KC2021 09 07.16839921 38 19.27 -05 49 50.3          17.7 VuER130H21
         K21R02H  C2021 09 07.18333521 38 30.88 -06 01 08.9          17.63GVER130703
         K21R02H mC2021 09 07.20174721 38 39.34 -06 15 31.9          18.73GVER130V06
         K21R02H mC2021 09 07.20190321 38 39.39 -06 15 39.2          18.64GVER130V06
         K21R02H mC2021 09 07.20206121 38 39.48 -06 15 46.6          18.78GVER130V06
         K21R02H mC2021 09 07.20221721 38 39.54 -06 15 53.9          18.71GVER130V06
    
    Observer details:
    033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C.
        Hoegner, U. Laux, F. Ludwig, B. Stecklum.  Measurer B. Stecklum.  1.34-m
        f/3 Schmidt + CCD.
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
    246 Klet Observatory-KLENOT.  Observers M. Tichy, J. Ticha, M. Honkova, M.
        Janda.  Measurer M. Tichy.  1.06-m f/2.7 reflector + 2048x2048
        CCD.
    595 Farra d'Isonzo.  Observers L. Bittesini, E. Pettarin.  Measurer E.
        Pettarin.  0.40-m f/5.15 reflector + CCD.
    703 Catalina Sky Survey.  Observer R. A. Kowalski.  Measurers E. J.
        Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
        Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
        Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  0.68-m Schmidt + 10K
        CCD.
    734 Farpoint Observatory, Eskridge.  Observers G. Hug, D. Cromer, D. Goodin,
        R. Valentine.  Measurer G. Hug.  0.7-m reflector + CCD.
    858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m Schmidt-
        Cassegrain + CCD.
    958 Observatoire de Dax.  Observers P. Dupouy, J. B. de Vanssay.  Measurer P.
        Dupouy.  0.43-m f/2.7 reflector + CCD.
    G02 KYSUCE Observatory, Kysucke Nove Mesto.  Observer M. Urbanik.  0.40-m
        f/4.5 reflector + CCD.
    H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
        Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + CCD.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 reflector + CCD.
    J69 North Observatory, Clanfield.  Observer D. Briggs.  0.41-m f/4.5 Newtonian
        reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    K63 G. Pascoli Observatory, Castelvecchio Pascoli.  Observer R. Bacci.  0.41-m
        f/3.2 Newtonian reflector + CCD.
    K78 iota Scorpii Observatory, La Spezia.  Observers G. Scarfi, L. Sannino.
        0.40-m f/6 reflector + CCD.
    K83 Beppe Forti Astronomical Observatory, Montelupo.  Observers M. Tombelli,
        A. Mazzanti, M. Lombardo, M. Iozzi, P. Fini, F. Bagnoli.  Measurers M.
        Tombelli, F. Bernardi, G. Interrante.  0.40-m f/8 Ritchey-Chretien + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    L18 QOS Observatory, Zalistci.  Observers S. V. Rischenko, T. A. Bezluschenko.
        Measurer A. M. Kozhukhov.  0.50-m f/3.8 reflector + CCD.
    N88 Xingming Observatory #3, Nanshan.  Observer X. Gao.  Measurer Q.-Z. Ye.
        0.6-m f/8 Ritchey-Chretien + CCD.
    V06 Catalina Sky Survey-Kuiper.  Observer D. C. Fuls.  Measurers E. J.
        Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
        Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
        Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos.  1.55-m reflector +
        1K CCD.
    Z80 Northolt Branch Observatory.  Observer G. Wells.  Measurers G. Wells, D.
        Bamberger.  0.25-m f/8.0 Ritchey-Chretien + CCD.
    
    Orbital elements:
    2021 RH2                                                 Earth MOID = 0.0366 AU
    Epoch 2021 July 5.0 TT = JDT 2459400.5                  Veres                   
    M 300.34657              (2000.0)            P               Q                  
    n   0.66539392     Peri.  205.60187     +0.96867311     -0.20564734             
    a   1.2994219      Node   164.24480     +0.19105984     +0.97525653             
    e   0.2093176      Incl.   30.84517     -0.15864596     -0.08114100             
    P   1.48           H   24.18          G   0.15           U   8                  
    Residuals in seconds of arc
    210906 703  0.6+  0.4-    210906 595  0.6-  0.4+    210906 J95  0.3+  0.3+
    210906 703  0.5-  0.4-    210906 104  0.2+  0.2+    210906 J95  0.1+  0.0
    210906 703  0.3+  0.5+    210906 033  0.1-  0.1-    210906 I93  0.1-  0.2+
    210906 703  0.3-  0.9-    210906 033  0.1+  0.2-    210906 Z80  0.1-  0.0
    210906 703  0.1-  0.1+    210906 595  0.4-  0.2+    210906 I93  0.1+  0.2+
    210906 703  0.2-  0.1+    210906 033  0.0   0.1-    210906 J69  0.0   0.1+
    210906 703  0.4-  0.1-    210906 104  0.0   0.0     210906 I93  0.3-  0.0
    210906 703  0.1-  0.1+    210906 K63  0.0   0.5+    210906 J69  0.1+  0.2+
    210906 N88  0.4+  0.8+    210906 595  0.3-  0.4+    210906 J69  0.1+  0.1-
    210906 N88  0.4+  0.2+    210906 K63  0.5-  0.4-    210906 J69  0.3+  0.4-
    210906 N88  0.2+  0.1-    210906 595  0.6-  0.3-    210906 Z80  1.6-  0.3-
    210906 N88  0.1-  0.6-    210906 104  0.0   0.0     210906 K83  0.0   0.7-
    210906 N88  0.1-  0.3-    210906 K63  0.2+  0.5-    210906 K83  0.1+  0.2-
    210906 L18  0.4+  0.4+    210906 K63  0.4+  0.1-    210906 K83  0.2+  0.5-
    210906 L18  0.6+  0.0     210906 K78  0.9+  0.1+    210907 858  0.2-  0.2+
    210906 L18  0.9-  0.0     210906 958  0.5-  0.7+    210907 858  0.5+  0.6+
    210906 L18  0.1-  0.2+    210906 G02  0.7+  0.9-    210907 858  0.0   0.2+
    210906 246  0.2+  0.8+    210906 K78  0.8-  0.3-    210907 734  0.3-  0.6+
    210906 246  0.4-  0.3+    210906 958  0.3-  0.2-    210907 734  0.4-  0.7-
    210906 246  0.3+  0.6+    210906 K78  0.1-  0.1-    210907 734  0.2-  0.5-
    210906 246  0.4-  0.2+    210906 G02  0.1+  0.1+    210907 703 (0.4-  2.2-)
    210906 246  0.5+  0.3+    210906 L01  0.1-  0.5+    210907 H21  0.0   0.1-
    210906 246  0.1-  0.4-    210906 L01  0.2-  0.0     210907 H21  0.0   0.1-
    210906 246  0.0   0.6+    210906 L01  0.1-  0.1-    210907 H21  0.1+  0.1-
    210906 246  0.4+  0.0     210906 958  0.2+  0.1+    210907 703  0.1+  0.7-
    210906 595  0.4+  0.5+    210906 L01  0.0   0.1+    210907 V06  0.1+  0.0
    210906 246  0.0   1.0+    210906 G02  0.3+  0.6+    210907 V06  0.1-  0.1+
    210906 246  0.2+  0.3+    210906 L01  0.1-  0.2+    210907 V06  0.2+  0.0
    210906 246  0.7-  0.3+    210906 J95  0.4-  0.2+    210907 V06  0.1-  0.1+
    210906 246  0.2+  0.3+    210906 J95  0.2+  0.1+
    
    Ephemeris:
    2021 RH2                 a,e,i = 1.30, 0.21, 31                  q = 1.0274
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 08 08    20 26 33.9 +61 45 41   0.2904  1.1091   101.5    63.6    24.0
    ...
    2021 08 23    20 37 46.9 +56 44 44   0.1568  1.0732   109.2    62.8    22.5
    ...
    2021 08 31    20 57 04.5 +44 43 04   0.08591 1.0575   122.0    54.1    20.9
    ...
    2021 09 06    21 28 46.2 +08 22 22   0.04426 1.0477   153.1    25.8    18.7
    2021 09 07    21 36 49.7 -03 36 30   0.04118 1.0463   158.6    20.6    18.4
    2021 09 08    21 46 03.9 -16 48 45   0.04021 1.0449   157.6    21.6    18.3
    ...
    2021 09 14    23 19 50.7 -68 46 17   0.07055 1.0375   114.7    61.7    20.7
    ...
    2021 09 22    03 05 55.7 -79 48 53   0.1391  1.0307    97.3    75.0    22.6
    ...
    2021 10 07    05 42 06.5 -77 25 27   0.2694  1.0279    88.4    76.4    24.1
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-R130
    


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