[Iaude] MPEC U241: 2020 FM6 [a=1.36,e=0.49,i=15.0,H=21.93]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Oct 25 10:19:58 EDT 2023


M.P.E.C. 2023-U241                             Issued 2023 October 25, 14:18 UT

     The Minor Planet Electronic Circulars contain information on unusual
         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,
                          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 FM6                                    


                           Revision to MPEC 2020-F177                           

Additional Observations:
     K20F06M 1C2023 10 23.51014108 35 23.428+28 10 45.88         18.22GVEU241G96
     K20F06M 1C2023 10 23.51488708 35 11.879+28 13 16.14         18.71GVEU241G96
     K20F06M 1C2023 10 23.51963808 35 00.575+28 15 43.09         18.31GVEU241G96
     K20F06M 1C2023 10 23.52439508 34 49.112+28 18 11.81         18.40GVEU241G96
     K20F06M 1C2023 10 23.53421508 34 25.417+28 23 17.63         18.63GVEU241G96
     K20F06M 1C2023 10 23.53431808 34 25.187+28 23 20.83         18.25GVEU241G96
     K20F06M 1C2023 10 23.53442308 34 24.938+28 23 24.76               VEU241G96
     K20F06M 1C2023 10 23.53453108 34 24.690+28 23 27.74         19.20GVEU241G96
     K20F06M  C2023 10 24.55852507 51 52.370+36 36 43.27         17.95cVEU241T05
     K20F06M  C2023 10 24.56169107 51 43.783+36 38 07.55         18.02cVEU241T05
     K20F06M  C2023 10 24.58510507 50 39.766+36 48 29.16         17.95cVEU241T05
     K20F06M  C2023 10 24.59156107 50 22.073+36 51 18.86         17.90cVEU241T05

Observer details:
G96 Mt. Lemmon Survey.  Observer J. K. Hogan.  Measurers E. C. Beshore, D.
    Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, J.
    K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos.  1.5-m reflector + 10K CCD.
T05 ATLAS-HKO, Haleakala.  Observers L. Denneau, R. Siverd, J. Tonry, H.
    Weiland.  Measurers L. Denneau, N. Erasmus, A. Fitzsimmons, A. Lawrence,
    J. Robinson, R. Siverd, J. Tonry, H. Weiland.  0.5-m Reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
231023 G96 1.72- 0.88-    231024 T05 1.05- 0.12-    MPO740927   +0.15 days

Orbital elements:
2020 FM6                                            PHA, Earth MOID = 0.0071 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M   7.84983              (2000.0)            P               Q                  
n   0.61831034     Peri.  276.13995     +0.57924174     +0.80454099             
a   1.3645780      Node    30.47167     -0.60746221     +0.53329819             
e   0.4937314      Incl.   14.98491     -0.54357029     +0.26135576             
P   1.59           H   21.93          G   0.15           U   0                  
Residuals in seconds of arc
200325 F51  0.1-  0.1+    200411 246  0.2-  0.2+    200418 T05  0.2-  0.2+
200325 F51  0.3+  0.1+    200411 246  0.1-  0.8-    200418 T05  0.2-  0.3+
200325 F51  0.0   0.0     200411 246  0.1-  0.5+    200419 W88  0.0   0.1-
200327 033  0.0   1.0-    200411 246  0.0   0.3+    200419 W88  0.1-  0.1-
200327 033 (0.9+  1.0-)   200411 246  0.2-  0.4-    200419 W88  0.1+  0.0
200327 033  0.5+  0.0     200412 K87  0.1+  0.4-    200419 W88  0.1-  0.1-
200327 033  0.9-  0.0     200412 033  0.2-  0.1-    200419 W88  0.1+  0.1-
200328 033  0.4-  0.2-    200412 033  0.4-  0.3-    200419 Q78  0.0   0.4-
200328 033  0.5-  0.1-    200412 033  0.1-  0.3-    200419 Q78  0.1+  0.6-
200328 033  0.8-  0.3-    200412 K87  0.1-  0.2-    200419 Q78  0.2-  0.3-
200328 L01  0.7+  0.4+    200412 K87  0.2-  0.5-    200419 186  0.1-  0.4-
200328 L01  0.7+  0.1+    200413 T08  0.2-  0.3+    200419 186  0.1-  0.3-
200328 L01  0.5+  0.3+    200413 T08  0.0   0.3+    200419 186  0.4+  0.1+
200328 033  0.4-  0.1-    200413 T08  0.3+  0.5+    200419 186  0.2-  0.3+
200328 033  0.1+  0.1-    200413 T08  0.3+  0.1-    200419 186  0.1+  0.5+
200328 033  0.2-  0.3-    200413 D29 (0.9-  0.7-)   200419 186  0.0   0.1+
200328 246 (0.5-  2.1+)   200413 D29  0.7-  0.3+    200420 T08  0.1-  0.2+
200328 246 (0.5-  2.3+)   200414 246  0.2+  0.3-    200420 T08  0.1-  0.1-
200328 033  0.2-  0.4+    200414 246  0.2+  0.3-    200420 T08  0.1-  0.1+
200328 033  0.2+  0.2+    200414 246  0.1+  0.3+    200420 T08  0.0   0.0
200329 104  0.5-  0.4+    200414 246  0.7-  0.2-    200420 186  0.0   0.1-
200329 104  0.5-  0.3+    200414 246  0.2-  0.1-    200420 186  0.3-  0.0
200329 104  0.4-  0.2-    200414 246  0.1+  0.1+    200420 186  0.4+  0.1-
200329 J04  0.2+  0.1+    200414 246 (7.1-  4.1+)   200420 186  0.0   0.1-
200329 J04  0.2+  0.2+    200414 033  0.1-  0.0     200421 186  0.2+  0.4+
200329 J04  0.1+  0.1+    200414 033  0.1+  0.3-    200421 186  0.3-  0.3-
200330 H21  0.2-  0.0     200414 033  0.1-  0.4-    200421 186  0.3-  0.2-
200330 H21  0.1+  0.1+    200415 G96  0.1+  0.1-    200421 186  0.5-  0.3-
200330 H21  0.4+  0.1-    200415 G96  0.1-  0.0     200421 186  0.1-  0.1-
200401 L01  0.3+  0.1+    200415 G96  0.0   0.0     200422 T05  0.1-  0.0
200401 L01  0.2-  0.2+    200415 D29  0.2+  0.3+    200422 T05  0.1+  0.1+
200401 L01  0.2-  0.6+    200415 D29  0.1-  0.3+    200422 T05  0.0   0.0
200401 L01  0.8+  0.1-    200415 D29 (1.2-  0.8+)   200422 T05  0.1+  0.0
200401 H21  0.0   0.3-    200416 G96  0.0   0.0     200422 186  0.1-  0.4+
200401 H21  0.0   0.4-    200416 G96  0.0   0.0     200422 186  0.5+  0.5-
200401 H21  0.1+  0.5-    200416 G96  0.1-  0.0     200422 186  0.1+  0.2+
200401 033  0.2-  0.3-    200416 G96  0.1-  0.1+    200422 186  0.5+  0.1-
200401 033  0.1+  0.2-    200416 Q78  0.3+  0.7-    200423 Q78 (0.7-  3.1-)
200401 033  0.3-  0.4-    200416 Q78  0.1-  0.5-    200423 Q78 (0.8-  2.8-)
200402 G96  0.1-  0.1+    200416 Q78  0.1-  0.2+    200423 Q78 (0.2-  2.3-)
200402 G96  0.3-  0.1-    200417 H45  0.2+  2.6+    231023 G96 (0.8+  1.1-)
200402 G96  0.3+  0.0     200417 H45  0.6+  2.3+    231023 G96  1.2-  0.9+
200402 G96  0.0   0.4+    200417 H45  0.4-  2.9+    231023 G96  0.4+  0.4-
200405 033  0.1-  0.8-    200417 H45  0.2+  2.8+    231023 G96  0.2+  0.1-
200405 033  0.4-  0.8-    200417 H45  0.9+  2.9+    231023 G96  0.1-  0.1-
200405 033  0.3+  0.1+    200417 H45  1.2+  2.0+    231023 G96  0.1+  0.2-
200406 033  0.2-  0.4-    200417 T08  0.2+  0.2+    231023 G96  0.2+  0.5+
200406 033  0.0   0.5-    200417 T08  0.3-  0.3+    231023 G96  0.3+  0.1+
200406 033  0.3-  0.9-    200417 T08  0.2-  0.1+    231024 T05  0.4-  0.2+
200406 033  0.0   0.6-    200417 L18  0.3-  1.0+    231024 T05  0.0   0.1+
200406 033 (0.2+  2.0-)   200417 L18  0.4+  0.6+    231024 T05  0.3-  0.5+
200406 033  0.2+  0.8-    200417 L18  0.4-  1.3+    231024 T05  0.2-  0.1-
200411 246  0.1-  0.1+    200418 T05  0.1-  0.2+
200411 246  0.1-  0.2+    200418 T05  0.0   0.2-

Ephemeris:
2020 FM6                 a,e,i = 1.36, 0.49, 15                  q = 0.6908
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 25    12 29 42.2 -30 28 27   0.2798  0.7751    30.5   138.9    25.3
...
2023 10 10    11 52 34.2 -26 21 12   0.1311  0.8824    25.6   150.7    25.8
...
2023 10 18    10 49 05.6 -10 15 59   0.06545 0.9469    39.4   138.1    22.5
...
2023 10 24    08 15 40.6 +32 17 15   0.04334 0.9966    91.1    86.4    18.1
2023 10 25    07 31 54.0 +39 38 08   0.04536 1.0050   102.0    75.5    17.9
2023 10 26    06 45 26.4 +45 06 01   0.04900 1.0133   111.6    65.9    17.7
...
2023 11 01    03 28 41.2 +50 52 05   0.08926 1.0635   140.9    36.0    18.3
...
2023 11 09    02 12 29.3 +46 25 10   0.1589  1.1299   149.0    26.9    19.4
...
2023 11 24    01 42 17.7 +41 20 17   0.3064  1.2504   144.8    27.0    21.1

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-U241




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