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  • MPEC 2021-G16 : 2021 GO

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    M.P.E.C. 2021-G16                                 Issued 2021 April 4, 00:37 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 GO                                 
    
    
    Observations:
         K21G00O*HC2021 04 02.15452008 09 00.56 +28 26 00.5          20.53GVEG016G96
         K21G00O HC2021 04 02.15974908 09 07.55 +28 30 43.7          20.54GVEG016G96
         K21G00O HC2021 04 02.16498508 09 14.59 +28 35 26.6          19.75GVEG016G96
         K21G00O HC2021 04 02.17021908 09 21.66 +28 40 10.6          19.11GVEG016G96
         K21G00O KC2021 04 02.19221608 09 51.43 +28 59 58.6          18.92GVEG016I52
         K21G00O KC2021 04 02.19527908 09 55.68 +29 02 42.6          19.32GVEG016I52
         K21G00O KC2021 04 02.19678908 09 57.72 +29 04 03.8          19.16GVEG016I52
         K21G00O KC2021 04 02.25260808 11 15.62 +29 53 52.7          19.07GVEG016I52
         K21G00O KC2021 04 02.25336408 11 16.71 +29 54 33.2          18.61GVEG016I52
         K21G00O KC2021 04 02.25411908 11 17.80 +29 55 13.2          18.97GVEG016I52
         K21G00O KC2021 04 02.25487308 11 18.87 +29 55 53.9          19.04GVEG016I52
         K21G00O KC2021 04 02.75738 08 25 07.69 +37 14 56.3          20.0 GVEG016N82
         K21G00O KC2021 04 02.76225 08 25 16.05 +37 18 59.0          20.2 GVEG016N82
         K21G00O KC2021 04 02.82225 08 27 19.09 +38 11 46.6          19.5 GVEG016204
         K21G00O HC2021 04 02.83087 08 27 33.16 +38 18 59.3                VEG016204
         K21G00O KC2021 04 02.83459208 27 39.15 +38 22 07.8          19.4 GVEG016203
         K21G00O KC2021 04 02.83918 08 27 46.75 +38 25 55.1                VEG016204
         K21G00O KC2021 04 02.85463608 28 12.01 +38 38 48.3          19.6 GVEG016203
         K21G00O KC2021 04 02.86722708 28 32.83 +38 49 11.4          19.2 GVEG016587
         K21G00O KC2021 04 02.86882408 28 34.45 +38 50 41.3          19.5 GVEG016104
         K21G00O KC2021 04 02.86906408 28 35.87 +38 50 42.4          19.3 GVEG016587
         K21G00O KC2021 04 02.87085708 28 38.86 +38 52 11.1          19.1 GVEG016587
         K21G00O KC2021 04 02.87163308 28 39.09 +38 52 59.3          19.3 GVEG016104
         K21G00O KC2021 04 02.87177608 28 40.37 +38 52 59.2          18.8 GVEG016203
         K21G00O KC2021 04 02.87445308 28 43.76 +38 55 19.3          19.0 GVEG016104
         K21G00O KC2021 04 02.87797808 28 49.62 +38 58 12.9          19.1 GVEG016104
         K21G00O KC2021 04 02.90275208 29 35.58 +39 18 48.2          19.4 GVEG016I93
         K21G00O KC2021 04 02.90949008 29 46.78 +39 24 19.1          19.3 GVEG016I93
         K21G00O KC2021 04 02.91582208 29 57.52 +39 29 29.2          20.1 GVEG016I93
         K21G00O KC2021 04 03.01026608 32 45.17 +40 44 56.4          19.4 GVEG016J95
         K21G00O KC2021 04 03.01208608 32 48.45 +40 46 23.4          19.3 GVEG016J95
         K21G00O KC2021 04 03.01384008 32 51.61 +40 47 46.9          19.0 GVEG016J95
         K21G00O KC2021 04 03.01566808 32 54.95 +40 49 14.6          19.0 GVEG016J95
         K21G00O KC2021 04 03.03729 08 33 59.90 +41 10 27.5          19.4 GXEG016W34
         K21G00O KC2021 04 03.04294 08 34 09.44 +41 15 02.3          18.7 GXEG016W34
         K21G00O KC2021 04 03.04972 08 34 20.99 +41 20 30.2          18.9 GXEG016W34
         K21G00O KC2021 04 03.16320608 37 51.71 +42 51 06.3          18.95GVEG016I52
         K21G00O KC2021 04 03.16370108 37 52.59 +42 51 29.1          18.96GVEG016I52
         K21G00O KC2021 04 03.16419508 37 53.43 +42 51 52.4          19.14GVEG016I52
         K21G00O KC2021 04 03.78223508 59 37.55 +50 20 44.2          19.4 GVEG016L01
         K21G00O KC2021 04 03.78302808 59 39.17 +50 21 15.8          19.8 GVEG016L01
         K21G00O KC2021 04 03.78462008 59 42.51 +50 22 20.1          19.7 GVEG016L01
         K21G00O KC2021 04 03.78581408 59 44.97 +50 23 08.1          19.6 GVEG016L01
         K21G00O KC2021 04 03.89713409 03 48.35 +51 35 07.6          19.7 GVEG016Z99
         K21G00O KC2021 04 03.89976309 03 54.07 +51 36 48.0          19.6 GVEG016Z99
         K21G00O KC2021 04 03.90236509 03 59.77 +51 38 27.9          19.9 GVEG016Z99
         K21G00O KC2021 04 03.90458109 03 57.79 +51 40 33.9          19.6 GVEG016K63
         K21G00O KC2021 04 03.90830209 04 05.78 +51 42 55.6          19.9 GVEG016K63
         K21G00O KC2021 04 03.91020909 04 09.22 +51 43 49.5          19.2 GVEG016595
         K21G00O KC2021 04 03.91231009 04 14.59 +51 45 26.5          18.9 GVEG016K63
         K21G00O KC2021 04 03.92431409 04 40.19 +51 52 41.1          19.3 GVEG016595
    
    Observer details:
    104 San Marcello Pistoiese.  Observers P. Bacci, M. Maestripieri.  Measurers
        P. Bacci, L. Tesi, G. Fagioli.  0.60-m reflector + CCD.
    203 GiaGa Observatory.  Observers S. Foglia, G. Galli.  Measurer G. Galli.
        0.36-m f/5.76 Schmidt-Cassegrain + CCD.
    204 Schiaparelli Observatory.  Observer L. Buzzi.  0.84-m f/3.5 reflector +
        CCD.
    587 Sormano.  Observers E. Colzani, E. Valli.  Measurer P. Sicoli.  0.5-m
        f/6.8 reflector + CCD.
    595 Farra d'Isonzo.  Observer E. Pettarin.  0.40-m f/5.15 reflector + CCD.
    G96 Mt. Lemmon Survey.  Observer K. W. Wierzchos.  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.  1.5-m reflector +
        10K CCD.
    I52 Steward Observatory, Mt. Lemmon Station.  Observer H. Groeller.  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.  1.0-m reflector +
        CCD.
    I93 St Pardon de Conques.  Observer F. Losse.  0.40-m f/3.7 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.
    L01 Visnjan Observatory, Tican.  Observers K. Korlevic, D. Pujagic, V. Dobos.
        Measurers D. Pujagic, K. Korlevic.  1.0-m f/2.9 reflector + CCD.
    N82 Multa Observatory.  Observer L. Elenin.  0.4-m f/1.25 reflector + CCD.
    W34 Squirrel Valley Observatory, Columbus.  Observer R. L. Flynn.  0.36-m
        Schmidt-Cassegrain + CCD.
    Z99 Clixby Observatory, Cleethorpes.  Observer A. Mickleburgh.  0.36-m f/8
        Schmidt-Cassegrain + CCD.
    
    Orbital elements:
    2021 GO                                                  Earth MOID = 0.0050 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
    M 291.17691              (2000.0)            P               Q                  
    n   0.72225476     Peri.  348.92249     -0.99834372     -0.01417094             
    a   1.2302946      Node   190.74536     +0.02024898     -0.99372530             
    e   0.1855954      Incl.   17.40124     -0.05384970     -0.11094692             
    P   1.36           H   25.49          G   0.15           U   7                  
    Residuals in seconds of arc
    210402 G96  0.0-  0.5+    210402 203  0.1+  0.3-    210403 I52  0.0+  0.5-
    210402 G96  0.3-  0.2+    210402 587  0.4+  0.2+    210403 I52  0.3-  0.3-
    210402 G96  0.2-  0.6-    210402 104  0.1+  0.6+    210403 L01  0.5+  0.5+
    210402 G96  0.1+  0.1+    210402 587  0.3+  0.2+    210403 L01  0.2+  0.2+
    210402 I52  0.8-  0.6+    210402 587  0.4+  0.2-    210403 L01  0.5+  0.4+
    210402 I52  0.1+  0.3-    210402 104  0.4-  0.9-    210403 L01  0.2+  0.4+
    210402 I52  0.2-  0.4-    210402 203  0.1-  0.1-    210403 Z99  0.1+  0.5+
    210402 I52  0.3-  0.5-    210402 104  0.4-  0.2+    210403 Z99  0.1+  0.2+
    210402 I52  0.2-  0.2-    210402 104  0.5-  0.3-    210403 Z99  0.4+  0.5+
    210402 I52  0.1+  0.5-    210402 I93  0.6+  0.3-    210403 K63  0.3-  0.6-
    210402 I52  0.1-  0.2+    210402 I93  0.7-  0.4-    210403 K63  0.3-  0.6-
    210402 N82  1.9-  1.9+    210402 I93  0.1+  0.8-    210403 K63  1.0-  0.2+
    210402 N82  0.4-  0.9+    210403 J95  0.1+  0.0+    210403 K63  1.0-  0.2+
    210402 204  0.1-  0.2+    210403 J95  0.0+  0.2+    210403 595  0.9-  0.7-
    210402 204  0.1+  0.1+    210403 J95  0.0-  0.1-    210403 K63  0.0-  0.3-
    210402 203  0.5+  0.2-    210403 J95  0.2+  0.5+    210403 K63  0.0-  0.3-
    210402 204  0.1+  0.3-    210403 I52  0.2-  0.0-    210403 595  0.0-  0.4+
    
    Ephemeris:
    2021 GO                  a,e,i = 1.23, 0.19, 17                  q = 1.0020
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 03 05    05 53 15.5 -53 31 18   0.1526  1.0100    92.5    78.8    24.2
    ...
    2021 03 20    06 14 06.8 -46 00 49   0.07486 1.0021    92.7    83.0    22.8
    ...
    2021 03 28    06 52 55.3 -26 51 07   0.03412 1.0029    97.2    80.9    21.0
    ...
    2021 04 03    08 32 45.4 +40 38 54   0.02095 1.0057   105.8    73.0    19.7
    2021 04 04    09 07 55.6 +52 40 09   0.02325 1.0064   105.1    73.7    19.9
    2021 04 05    09 52 02.9 +61 23 10   0.02656 1.0071   103.9    74.6    20.2
    ...
    2021 04 11    14 30 14.5 +71 34 53   0.05489 1.0124    99.3    77.6    21.9
    ...
    2021 04 19    16 07 17.5 +66 53 13   0.09727 1.0224    98.0    76.6    23.2
    ...
    2021 05 04    16 40 42.0 +62 08 22   0.1743  1.0488    98.7    71.9    24.3
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-G16
    


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