[Iaude] MPEC B30: 2020 MM3 [a=1.77,e=0.27,i=18.8,H=20.00]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2024-B30                              Issued 2024 January 18, 14:13 UT

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         minor planets, routine data on comets and natural satellites,
         and occasional editorial announcements.  They are published
    on behalf of Division F of the International Astronomical Union by the
          Minor Planet Center, Smithsonian Astrophysical Observatory,
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            URL https://www.minorplanetcenter.net/    ISSN 1523-6714

                                    2020 MM3                                    


                           Revision to MPEC 2020-M129                           

Additional Observations:
     K20M03M 1C2011 11 27.44921 07 56 22.74 +19 16 53.5          21.8 GVEB030G96
     K20M03M 1C2011 11 27.45854 07 56 22.40 +19 16 43.4          21.6 GVEB030G96
     K20M03M 1C2018 12 10.35282 05 57 59.44 +26 26 51.8          20.0 GVEB030G96
     K20M03M 1C2018 12 10.36880 05 57 57.55 +26 26 24.6          19.9 GVEB030G96

Observer details:
G96 Mt. Lemmon Survey.  Observers R. A. Kowalski, D. C. Fuls.  Measurers B.
    Gray, D. Rankin, F. C. Shelly.  1.5-m reflector + CCD, 1.5-m reflector +
    10K CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
111127 G96 71.5+ 52.5+    181210 G96  2.4+  2.5+    MPO782711   -0.02 days

Orbital elements:
2020 MM3                                                 Earth MOID = 0.4381 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  55.03219              (2000.0)            P               Q                  
n   0.41853485     Peri.  100.42808     +0.94275217     -0.09178959             
a   1.7700341      Node   265.39041     -0.02896765     +0.93520447             
e   0.2704466      Incl.   18.76298     +0.33223368     +0.34200479             
P   2.35           H   20.00          G   0.15           U   2                  
Residuals in seconds of arc
111127 G96  0.2+  0.1+    200622 568  0.0   0.0     200628 568  0.0   0.0
111127 G96  0.7+  0.8+    200622 568  0.0   0.0     200628 568  0.0   0.0
181210 G96  0.1-  0.3+    200622 568  0.0   0.0     200714 F51  0.0   0.0
181210 G96  0.2+  0.2+    200623 474  0.1+  0.8-    200714 F51  0.1+  0.0
200621 F51  0.0   0.0     200623 474  0.3+  0.9+    200714 F51  0.1+  0.2+
200621 F51  0.0   0.1+    200623 474  0.3-  0.1-
200621 F51  0.1+  0.0     200628 568  0.1-  0.0

Ephemeris:
2020 MM3                 a,e,i = 1.77, 0.27, 19                  q = 1.2913
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 12 19    10 12 21.8 -08 26 30   1.3991  1.9351   107.3    29.0    23.4
...
2024 01 03    10 09 17.8 -12 13 29   1.2934  1.9787   120.1    25.5    23.2
...
2024 01 11    10 04 02.6 -13 55 13   1.2463  2.0008   127.2    23.0    23.1
...
2024 01 17    09 58 28.7 -14 58 43   1.2170  2.0168   132.5    21.1    23.0
2024 01 18    09 57 25.5 -15 08 04   1.2127  2.0195   133.4    20.7    23.0
2024 01 19    09 56 20.3 -15 17 02   1.2086  2.0221   134.3    20.4    23.0
...
2024 01 25    09 49 10.3 -16 02 23   1.1878  2.0374   139.2    18.4    22.9
...
2024 02 02    09 38 14.5 -16 38 24   1.1714  2.0571   144.9    16.0    22.8
...
2024 02 17    09 16 21.9 -16 26 03   1.1800  2.0916   149.4    13.9    22.8

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-B30