[Iaude] MPEC J81: 2020 JR1 [a=1.20,e=0.23,i=1.1,H=28.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri May 15 07:51:41 EDT 2020


M.P.E.C. 2020-J81                                  Issued 2020 May 15, 11:50 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

                                    2020 JR1                                    


Observations:
     K20J01R* C2020 05 14.31209 15 29 16.12 -09 06 22.7          20.8 GVEJ081G96
     K20J01R  C2020 05 14.31676 15 29 17.11 -09 05 59.2          21.1 GVEJ081G96
     K20J01R  C2020 05 14.32010 15 29 17.75 -09 05 43.0          20.6 GVEJ081G96
     K20J01R  C2020 05 14.32439 15 29 18.64 -09 05 22.4          21.0 GVEJ081G96
     K20J01R  C2020 05 14.43148 15 29 42.02 -08 56 28.8          22.3 GVEJ081I52
     K20J01R  C2020 05 14.43317 15 29 42.41 -08 56 20.0          22.3 GVEJ081I52
     K20J01R  C2020 05 14.43485 15 29 42.85 -08 56 11.4          21.6 GVEJ081I52
     K20J01R  C2020 05 14.43654 15 29 43.21 -08 56 03.3          21.9 GVEJ081I52
     K20J01R  C2020 05 14.97925 15 32 48.95 -08 09 43.7          21.2 VVEJ081033
     K20J01R  C2020 05 14.98162 15 32 49.58 -08 09 30.0          21.1 VVEJ081033
     K20J01R  C2020 05 14.98399 15 32 50.22 -08 09 16.4          21.2 VVEJ081033
     K20J01R  C2020 05 15.22410 15 34 24.04 -07 45 21.3          20.9 GVEJ081I52
     K20J01R  C2020 05 15.22747 15 34 24.95 -07 45 01.9                VEJ081I52
     K20J01R  C2020 05 15.23419 15 34 26.84 -07 44 23.7          20.6 GVEJ081I52

Observer details:
033 Karl Schwarzschild Observatory, Tautenburg.  Observers S. Melnikov, C. 
   Hoegner, B. Stecklum.  Measurer B. Stecklum.  1.34-m f/3 Schmidt + CCD.
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  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 D. Rankin.  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:
2020 JR1                                                 Earth MOID = 0.0088 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 328.39678              (2000.0)            P               Q
n   0.74704270     Peri.   83.67732     +0.50121592     +0.86524480
a   1.2029265      Node   216.41059     -0.80142964     +0.45912063
e   0.2293016      Incl.    1.11760     -0.32633285     +0.20139433
P   1.32           H   28.2           G   0.15           U   8
Residuals in seconds of arc
200514 G96  0.0   0.4-    200514 I52  0.3-  0.0     200514 033  0.3+  0.4+
200514 G96  0.5+  0.5+    200514 I52  0.3+  0.0     200515 I52  0.4-  0.3+
200514 G96  0.2-  0.5+    200514 I52  0.3-  0.5-    200515 I52  0.5-  0.3+
200514 G96  0.1-  0.2+    200514 033  0.2+  0.5-    200515 I52  0.5+  0.4-
200514 I52  0.1-  0.2-    200514 033  0.2+  0.0

Ephemeris:
2020 JR1                 a,e,i = 1.20, 0.23, 1                   q = 0.9271
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 04 15    14 49 49.3 -18 12 03   0.1548  1.1497   159.7    17.7    25.4
...
2020 04 30    14 59 56.1 -16 41 43   0.08780 1.0945   172.5     6.9    23.6
...
2020 05 08    15 09 59.0 -14 10 15   0.05662 1.0658   176.3     3.5    22.4
...
2020 05 14    15 27 45.9 -09 27 57   0.03480 1.0451   170.8     8.9    21.6
2020 05 15    15 32 56.6 -08 03 52   0.03132 1.0417   169.1    10.5    21.4
2020 05 16    15 39 20.6 -06 19 06   0.02788 1.0383   167.1    12.6    21.3
...
2020 05 22    17 47 25.7 +26 06 24   0.01082 1.0188   126.2    53.3    20.4
...
2020 05 30    01 24 55.7 +34 57 19   0.02594 0.9946    42.0   137.0    26.7
...
2020 06 14    02 27 10.6 +25 23 04   0.07970 0.9575    41.5   135.3    28.9

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-J81




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