[Iaude] MPEC J58: 2021 JG1 [a=1.20,e=0.31,i=2.5,H=24.4]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed May 5 05:52:09 EDT 2021


M.P.E.C. 2021-J58                                   Issued 2021 May 5, 09:51 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 JG1                                    


Observations:
     K21J01G* C2021 05 03.42806015 49 54.762-09 18 09.80         21.08wUEJ058F51
     K21J01G  C2021 05 03.43843115 49 54.718-09 18 04.31         21.00wUEJ058F51
     K21J01G  C2021 05 03.44881715 49 54.659-09 17 58.72         21.42wUEJ058F51
     K21J01G  C2021 05 03.45919615 49 54.605-09 17 53.10         21.25wUEJ058F51
     K21J01G ^C2021 05 04.41552415 50 16.018-09 08 48.42         20.79GVEJ058568
     K21J01G ^C2021 05 04.41650315 50 16.011-09 08 47.88         20.85GVEJ058568
     K21J01G ^C2021 05 04.41766615 50 16.005-09 08 47.22         20.84GVEJ058568
     K21J01G IC2021 05 05.28887 15 50 32.82 -09 00 20.7          20.4 GVEJ058H36
     K21J01G KC2021 05 05.30103 15 50 32.76 -09 00 12.4          20.5 GVEJ058H36
     K21J01G  C2021 05 05.30882615 50 33.54 -09 00 03.3          20.5 GVEJ058H01
     K21J01G KC2021 05 05.31242 15 50 32.70 -09 00 06.0          21.1 GVEJ058H36
     K21J01G  C2021 05 05.31384515 50 33.50 -09 00 00.2          20.5 GVEJ058H01
     K21J01G  C2021 05 05.32369915 50 33.44 -08 59 54.1          20.6 GVEJ058H01
     K21J01G  C2021 05 05.32947615 50 33.41 -08 59 50.5          20.4 GVEJ058H01
     K21J01G KC2021 05 05.34126115 50 33.60 -08 59 41.7          20.57GVEJ058I52
     K21J01G KC2021 05 05.34644215 50 33.56 -08 59 38.2          20.48GVEJ058I52
     K21J01G KC2021 05 05.35231715 50 33.53 -08 59 34.7          20.51GVEJ058I52
     K21J01G KC2021 05 05.35868315 50 33.50 -08 59 30.6          20.67GVEJ058I52

Observer details:
568 Mauna Kea.  Observers R. Wainscoat, L. Wells, T. Burdullis.  Measurers R.
    Weryk, R. Wainscoat.  3.6-m Canada-France-Hawaii Telescope + 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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton.  Observer G. Hug.  0.56-m reflector + 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.

Orbital elements:
2021 JG1                                                 Earth MOID = 0.0059 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 195.93756              (2000.0)            P               Q                  
n   0.74704379     Peri.  248.99875     +0.78394039     +0.61942244             
a   1.2029254      Node    72.70325     -0.55207999     +0.72638416             
e   0.3109830      Incl.    2.51356     -0.28398090     +0.29779505             
P   1.32           H   24.48          G   0.15           U   8                  
Residuals in seconds of arc
210503 F51  0.0   0.0     210504 568  0.0   0.0     210505 H01  0.1-  0.0
210503 F51  0.1+  0.0     210505 H36  0.5+  0.5-    210505 H01  0.0   0.0
210503 F51  0.0   0.0     210505 H36  0.4+  0.3+    210505 I52  0.1-  0.1-
210503 F51  0.0   0.0     210505 H01  0.0   0.0     210505 I52  0.2-  0.2+
210504 568  0.0   0.0     210505 H36  0.3+  0.5-    210505 I52  0.0   0.0
210504 568  0.0   0.0     210505 H01  0.0   0.0     210505 I52  0.2+  0.1+

Ephemeris:
2021 JG1                 a,e,i = 1.20, 0.31, 3                   q = 0.8288
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 05    15 32 01.1 -11 29 32   0.3243  1.2690   141.0    29.7    23.8
...
2021 04 20    15 43 34.8 -10 44 12   0.2136  1.1980   152.4    22.9    22.6
...
2021 04 28    15 47 43.1 -10 00 02   0.1613  1.1582   158.5    18.6    21.8
...
2021 05 04    15 50 05.6 -09 12 16   0.1247  1.1278   162.6    15.5    21.1
2021 05 05    15 50 26.5 -09 02 24   0.1188  1.1227   163.2    15.1    20.9
2021 05 06    15 50 46.7 -08 51 49   0.1129  1.1176   163.7    14.6    20.8
...
2021 05 12    15 52 46.4 -07 25 24   0.07884 1.0869   166.0    13.0    19.9
...
2021 05 20    15 58 05.6 -02 16 42   0.03566 1.0459   162.1    17.3    18.2
...
2021 06 04    03 41 36.6 +17 34 33   0.04485 0.9715    16.2   163.0    29.8

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-J58




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