[Iaude] MPEC X125: 2020 XR3 [a=1.40,e=0.11,i=25.9,H=22.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Dec 11 22:45:56 EST 2020


M.P.E.C. 2020-X125                            Issued 2020 December 12, 03:44 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 XR3                                    


Observations:
     K20X03R KC2020 12 05.45947204 10 00.972-04 09 16.76         21.98GVEX125F52
     K20X03R  C2020 12 07.33370404 04 17.705-01 34 41.46         20.91GVEX125F52
     K20X03R  C2020 12 07.34465904 04 15.570-01 33 46.65         20.08GVEX125F52
     K20X03R* C2020 12 08.36859104 01 08.466-00 07 40.56         21.60wUEX125F51
     K20X03R  C2020 12 08.37981504 01 06.280-00 06 43.64         21.31wUEX125F51
     K20X03R  C2020 12 08.39107404 01 04.102-00 05 46.46         21.70wUEX125F51
     K20X03R KC2020 12 09.20592503 58 37.24 +01 03 17.2          21.62GVEX125I52
     K20X03R |C2020 12 09.21277 03 58 34.71 +01 04 24.8          21.4 VuEX125807
     K20X03R KC2020 12 09.21338503 58 35.84 +01 03 54.7          20.76GVEX125I52
     K20X03R KC2020 12 09.21758203 58 34.99 +01 04 16.9          21.90GVEX125I52
     K20X03R |C2020 12 09.21906 03 58 33.50 +01 04 57.0          21.8 VuEX125807
     K20X03R KC2020 12 09.22503803 58 33.61 +01 04 55.7          20.82GVEX125I52
     K20X03R |C2020 12 09.22508 03 58 32.34 +01 05 27.8          21.5 VuEX125807
     K20X03R KC2020 12 10.13128703 55 51.38 +02 22 15.2          21.3 VuEX125H21
     K20X03R KC2020 12 10.14221703 55 49.32 +02 23 11.3          21.3 VuEX125H21
     K20X03R KC2020 12 10.15423903 55 47.06 +02 24 13.4          21.5 VuEX125H21
     K20X03R  C2020 12 11.34382103 52 16.736+04 06 25.08         21.33GVEX125F52

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes.
    0.61-m f/6.5 astrograph + 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.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes.  0.81-m f/4.0
    astrograph + 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 XR3                                                 Earth MOID = 0.2552 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Veres
M   5.51485              (2000.0)            P               Q
n   0.59725535     Peri.  349.28711     +0.30417328     -0.84893751
a   1.3964627      Node    81.89053     +0.90311115     +0.11263117
e   0.1136024      Incl.   25.88397     +0.30309877     +0.51635194
P   1.65           H   22.7           G   0.15           U   7
Residuals in seconds of arc
201205 F52  0.2+  0.2-    201209 I52  0.3-  0.1-    201209 807  0.3-  0.1-
201207 F52  0.2-  0.6+    201209 807  0.0   0.2-    201210 H21  0.2+  0.0
201207 F52  0.2-  0.5+    201209 I52  0.1+  0.7-    201210 H21  0.2+  0.0
201208 F51  0.1+  0.1-    201209 I52  0.6-  0.1+    201210 H21  0.2+  0.3+
201208 F51  0.0   0.1-    201209 807  0.1-  0.1-    201211 F52  0.0   0.1+
201208 F51  0.1+  0.0     201209 I52  0.1+  0.8+

Ephemeris:
2020 XR3                 a,e,i = 1.40, 0.11, 26                  q = 1.2378
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 11 12    05 11 33.0 -25 43 16   0.3641  1.2450   127.4    39.2    22.5
...
2020 11 27    04 35 36.2 -14 27 11   0.2968  1.2391   144.0    27.9    21.8
...
2020 12 05    04 11 26.6 -04 46 17   0.2790  1.2379   151.6    22.3    21.5
...
2020 12 11    03 53 16.9 +03 36 59   0.2776  1.2379   152.7    21.4    21.4
2020 12 12    03 50 22.1 +05 02 51   0.2784  1.2380   152.4    21.6    21.4
2020 12 13    03 47 30.3 +06 28 40   0.2795  1.2381   151.9    22.0    21.5
...
2020 12 19    03 31 42.0 +14 49 48   0.2928  1.2392   146.8    25.8    21.7
...
2020 12 27    03 15 26.1 +24 37 48   0.3251  1.2419   137.2    32.5    22.1
...
2021 01 11    03 02 10.0 +37 50 42   0.4163  1.2504   121.1    42.3    22.9

M. P. C. Staff               (C) Copyright 2020 MPC           M.P.E.C. 2020-X125




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