[Iaude] MPEC S155: 2022 FM12 [a=46.41,e=0.20,i=5.9,H=8.09]

[mpec at marsden.cfa.harvard.edu]

M.P.E.C. 2023-S155                           Issued 2023 September 22, 13:32 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

                                   2022 FM12                                    


Additional Observations:
     K22F12M KC2023 03 16.14740 13 33 04.95 -08 36 54.4                oES155W93
     K22F12M KC2023 03 16.23226 13 33 04.60 -08 36 52.9                oES155W93
     K22F12M KC2023 03 18.15303 13 32 56.36 -08 36 07.0          23.7 RoES155W93
     K22F12M KC2023 03 18.16693 13 32 56.27 -08 36 06.5                oES155W93
     K22F12M KC2023 03 18.22765 13 32 56.02 -08 36 04.8                oES155W93
     K22F12M KC2023 03 24.18524 13 32 29.21 -08 33 35.3          23.4 RoES155W93
     K22F12M KC2023 03 24.19918 13 32 29.17 -08 33 34.8          23.2 RoES155W93
     K22F12M KC2023 03 24.21323 13 32 29.07 -08 33 34.8          23.1 RoES155W93
     K22F12M KC2023 03 24.22537 13 32 29.01 -08 33 34.3          23.6 RoES155W93

Observer details:
W93 Korea Microlensing Telescope Network-CTIO.  Observer Y. JeongAhn.  1.6-m
    f/3.22 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
230316 W93 2.75+ 1.12+    230324 W93 2.75+ 1.12+    MPO691386    +587 days

Orbital elements:
2022 FM12                                                                       
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Alexandersen            
M 359.27170              (2000.0)            P               Q                  
n   0.00311705     Peri.  172.22539     -0.89930312     +0.43355778             
a  46.4130247      Node    33.65533     -0.40659558     -0.78067108             
e   0.2011179      Incl.    5.93302     -0.16104017     -0.45008923             
P 316              H    8.09          G   0.15           U   8                  
Residuals in seconds of arc
220326 W93  0.1-  0.1-    220328 W93  0.1+  0.1-    230318 W93  0.1+  0.1+
220326 W93  0.2+  0.2-    230316 W93  0.1-  0.4+    230324 W93  0.0   0.0
220326 W93  0.2-  0.1+    230316 W93  0.1+  0.1-    230324 W93  0.3+  0.2+
220328 W93  0.4-  0.4+    230318 W93  0.2+  0.3-    230324 W93  0.2-  0.2-
220328 W93  0.4+  0.1-    230318 W93  0.2-  0.2-    230324 W93  0.2-  0.0

Ephemeris:
2022 FM12                a,e,i = 46.41, 0.20, 6                  q = 37.0785
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 08 23    13 28 08.3 -08 15 28  37.6635 37.0799    54.1     1.3    24.0
...
2023 09 07    13 29 23.3 -08 23 34  37.8465 37.0798    40.0     1.0    24.0
...
2023 09 15    13 30 09.3 -08 28 26  37.9250 37.0797    32.4     0.8    24.0
...
2023 09 21    13 30 45.9 -08 32 16  37.9739 37.0796    26.7     0.7    24.0
2023 09 22    13 30 52.2 -08 32 55  37.9812 37.0796    25.8     0.7    24.0
2023 09 23    13 30 58.5 -08 33 35  37.9882 37.0796    24.8     0.7    24.0
...
2023 09 29    13 31 37.1 -08 37 35  38.0248 37.0796    19.1     0.5    23.9
...
2023 10 07    13 32 30.4 -08 43 03  38.0586 37.0795    11.5     0.3    23.9
...
2023 10 22    13 34 13.1 -08 53 30  38.0733 37.0794     3.1     0.1    23.9

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-S155