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  • MPEC 2021-L22 : 2021 LC

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    M.P.E.C. 2021-L22                                  Issued 2021 June 2, 19:21 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 LC                                 
    
    
    Observations:
         K21L00C  C2021 05 31.32797212 37 30.281+21 34 23.98         20.14GVEL022F51
         K21L00C  C2021 05 31.33083612 37 33.857+21 34 44.49               VEL022F51
         K21L00C* C2021 06 01.23327712 58 24.01 +23 18 54.1          20.31GVEL022G96
         K21L00C  C2021 06 01.23841512 58 30.48 +23 19 25.8          19.81GVEL022G96
         K21L00C  C2021 06 01.24352912 58 36.87 +23 19 56.7          20.34GVEL022G96
         K21L00C  C2021 06 01.24864712 58 43.29 +23 20 28.0          19.82GVEL022G96
         K21L00C KC2021 06 01.28818912 59 33.46 +23 24 24.5          19.50GVEL022I52
         K21L00C KC2021 06 01.28876512 59 34.24 +23 24 27.3          20.06GVEL022I52
         K21L00C KC2021 06 01.28933312 59 34.93 +23 24 30.7          19.50GVEL022I52
         K21L00C KC2021 06 01.28990212 59 35.68 +23 24 34.3          19.64GVEL022I52
         K21L00C KC2021 06 01.86425613 12 48.25 +24 22 25.1          20.1 GVEL022L01
         K21L00C KC2021 06 01.86568113 12 49.99 +24 22 33.1          20.1 GVEL022L01
         K21L00C IC2021 06 01.86736113 12 52.10 +24 22 42.8          20.0 GVEL022L01
         K21L00C IC2021 06 01.86890413 12 54.01 +24 22 51.5          19.7 GVEL022L01
         K21L00C pC2021 06 01.87100813 12 56.61 +24 23 03.0          20.2 GVEL022L01
         K21L00C KC2021 06 01.94513713 14 34.14 +24 29 26.2          20.2 GVEL022J95
         K21L00C KC2021 06 01.95314113 14 44.21 +24 30 08.8          19.7 GVEL022J95
         K21L00C KC2021 06 01.95798213 14 50.26 +24 30 34.8          20.4 GVEL022J95
         K21L00C KC2021 06 01.97030113 15 17.91 +24 38 53.2          20.6 GXEL022Y00
         K21L00C KC2021 06 01.97411513 15 22.40 +24 39 15.0                XEL022Y00
         K21L00C KC2021 06 01.97795113 15 26.93 +24 39 36.9          19.4 GXEL022Y00
    
    Observer details:
    F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
        Schultz, I. Smith.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
        Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
    G96 Mt. Lemmon Survey.  Observer T. A. Pruyne.  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 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.  1.0-m
        reflector + CCD.
    J95 Great Shefford.  Observer P. Birtwhistle.  0.41-m f/6.3 Schmidt-Cassegrain
        + CCD.
    L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
        + CCD.
    Y00 SONEAR Observatory, Oliveira.  Observers C. Jacques, E. Pimentel, J.
        Barros.  Measurer C. Jacques.  0.45-m f/2.9 reflector + CCD.
    
    Orbital elements:
    2021 LC                                                  Earth MOID = 0.0008 AU
    Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
    M 256.12794              (2000.0)            P               Q                  
    n   0.80498801     Peri.  327.66853     -0.85392709     +0.51286595             
    a   1.1444841      Node   243.43249     -0.45401766     -0.81705172             
    e   0.1287168      Incl.    5.65849     -0.25431572     -0.26342932             
    P   1.22           H   25.89          G   0.15           U   7                  
    Residuals in seconds of arc
    210531 F51  0.1+  0.1+    210601 I52  0.4+  0.5-    210601 L01  0.1-  0.0
    210531 F51  0.0   0.1-    210601 I52  0.1-  0.4-    210601 J95  0.1+  0.2+
    210601 G96  0.2-  0.1+    210601 I52  0.2+  0.1-    210601 J95  0.3+  0.2-
    210601 G96  0.3+  0.3+    210601 L01  0.1+  0.2-    210601 J95  0.3-  0.2-
    210601 G96  0.2-  0.0     210601 L01  0.2-  0.1-    210601 Y00  0.5+  0.4-
    210601 G96  0.3-  0.1+    210601 L01  0.2+  0.2+    210601 Y00  0.0   0.3-
    210601 I52  0.1-  0.1+    210601 L01  0.2+  0.3+    210601 Y00  0.5-  0.1-
    
    Ephemeris:
    2021 LC                  a,e,i = 1.14, 0.13, 6                   q = 0.9972
    Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
    2021 05 03    07 36 01.0 -16 26 44   0.06553 0.9984    79.7    96.6    23.4
    ...
    2021 05 18    08 54 39.7 -06 58 43   0.03582 1.0071    82.0    96.0    22.1
    ...
    2021 05 26    10 41 38.6 +08 09 34   0.02469 1.0151    94.2    84.5    20.8
    ...
    2021 06 01    12 53 12.0 +22 54 14   0.02402 1.0224   109.7    69.0    20.3
    2021 06 02    13 15 55.0 +24 37 25   0.02474 1.0237   112.0    66.7    20.3
    2021 06 03    13 37 45.0 +26 01 25   0.02567 1.0250   114.0    64.7    20.3
    ...
    2021 06 09    15 19 51.2 +29 12 35   0.03446 1.0337   121.7    56.7    20.7
    ...
    2021 06 17    16 30 45.0 +27 43 32   0.05066 1.0466   126.1    51.6    21.4
    ...
    2021 07 02    17 25 30.1 +22 45 49   0.08586 1.0743   130.4    46.1    22.5
    
    M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-L22
    


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