[Iaude] MPEC J54: 2021 JC1 [a=2.53,e=0.76,i=6.8,H=24.5]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Tue May 4 21:53:24 EDT 2021


M.P.E.C. 2021-J54                                   Issued 2021 May 5, 01:52 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 at CFA.HARVARD.EDU
            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2021 JC1                                    


Observations:
     K21J01C* C2021 05 03.37938213 38 51.556-18 35 00.79         20.97wUEJ054F51
     K21J01C  C2021 05 03.39040313 38 46.932-18 34 28.18         21.04wUEJ054F51
     K21J01C  C2021 05 03.41242513 38 37.667-18 33 22.31         21.00wUEJ054F51
     K21J01C KC2021 05 03.52230813 37 53.83 -18 26 34.0          21.1 GVEJ054474
     K21J01C KC2021 05 03.52576713 37 52.44 -18 26 23.3          20.9 GVEJ054474
     K21J01C KC2021 05 03.52932413 37 50.93 -18 26 11.9          20.7 GVEJ054474
     K21J01C bC2021 05 03.89457513 35 21.10 -18 08 26.5          20.8 GVEJ054L01
     K21J01C bC2021 05 03.89738413 35 19.87 -18 08 17.3          20.8 GVEJ054L01
     K21J01C bC2021 05 03.89997213 35 18.75 -18 08 07.5          21.0 GVEJ054L01
     K21J01C bC2021 05 03.90287113 35 17.44 -18 07 58.5          20.9 GVEJ054L01
     K21J01C KC2021 05 04.20301013 33 06.30 -17 50 39.8          20.95GVEJ054I52
     K21J01C KC2021 05 04.20468913 33 05.52 -17 50 33.4          20.58GVEJ054I52
     K21J01C KC2021 05 04.20636713 33 04.66 -17 50 27.2          20.65GVEJ054I52
     K21J01C KC2021 05 04.98629113 26 43.85 -16 58 43.2          19.7 GXEJ054Y00
     K21J01C KC2021 05 04.98844313 26 42.67 -16 58 34.4          20.3 GXEJ054Y00
     K21J01C KC2021 05 04.99058413 26 41.49 -16 58 25.4          20.8 GXEJ054Y00
     K21J01C KC2021 05 04.99290513 26 40.15 -16 58 15.2          20.3 GXEJ054Y00

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
    Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
    Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
    R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  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.  1.0-m
    reflector + 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 JC1                                                 Earth MOID = 0.0026 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres                   
M 312.97485              (2000.0)            P               Q                  
n   0.24481989     Peri.   85.58526     +0.69147434     +0.71697670             
a   2.5306859      Node   228.57624     -0.70070042     +0.63591180             
e   0.7553309      Incl.    6.76747     -0.17573322     +0.28558814             
P   4.03           H   24.56          G   0.15           U   9                  
Residuals in seconds of arc
210503 F51  0.2-  0.0     210503 L01  0.6-  0.3-    210504 I52  0.4-  0.2+
210503 F51  0.1-  0.1-    210503 L01  0.1-  0.3-    210504 Y00  0.1-  0.1+
210503 F51  0.1+  0.0     210503 L01  0.6+  0.9+    210504 Y00  0.2+  0.1-
210503 474  0.6-  0.0     210503 L01  0.7+  0.3+    210504 Y00  0.5+  0.1-
210503 474  0.4+  0.1-    210504 I52  0.1-  0.6-    210504 Y00  0.1-  0.3+
210503 474  0.4+  0.3+    210504 I52  0.3+  0.1-

Ephemeris:
2021 JC1                 a,e,i = 2.53, 0.76, 7                   q = 0.6192
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 05    14 26 40.6 -23 06 57   0.5115  1.4722   152.2    18.5    24.9
...
2021 04 20    14 17 56.3 -22 48 15   0.2943  1.2930   166.9    10.1    23.1
...
2021 04 28    14 02 28.2 -21 20 45   0.1898  1.1947   171.5     7.2    21.9
...
2021 05 04    13 34 35.5 -18 01 29   0.1164  1.1202   163.3    15.0    21.0
2021 05 05    13 26 34.4 -16 57 56   0.1047  1.1078   160.5    17.7    20.8
2021 05 06    13 16 44.8 -15 36 59   0.09322 1.0953   157.2    20.9    20.6
...
2021 05 12    10 31 41.1 +10 54 14   0.03907 1.0206   104.3    73.5    20.1
...
2021 05 20    04 28 59.7 +32 39 46   0.09357 0.9222    15.8   162.6    31.2
...
2021 06 04    03 21 44.4 +28 08 17   0.2860  0.7526    20.2   152.2    30.1

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J54




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