[Iaude] MPEC H87: 2022 FN12 [a=42.33,e=0.03,i=1.3,H=7.64]

[mpec at cfa.harvard.edu]

M.P.E.C. 2024-H87                                Issued 2024 April 29, 14:22 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 FN12                                    


Additional Observations:
     K22F12N 1C2009 03 27.41617412 22 50.05 -01 17 41.0          23.7 rWEH087T09
     K22F12N 1C2009 03 27.53557312 22 49.50 -01 17 37.6          23.5 rWEH087T09
     K22F12N 1C2019 04 10.37191913 09 50.36 -06 06 08.9          24.2 gWEH087T09
     K22F12N 1C2019 04 10.41407713 09 50.16 -06 06 07.8                WEH087T09
     K22F12N 1C2019 04 10.43868513 09 50.04 -06 06 07.2          24.3 gWEH087T09
     K22F12N 1C2019 06 03.34122313 06 33.20 -05 46 38.9          23.2 iWEH087T09
     K22F12N 1C2019 06 03.34610813 06 33.19 -05 46 38.8                WEH087T09
     K22F12N 1C2019 06 03.36082113 06 33.16 -05 46 38.5          23.3 iWEH087T09
     K22F12N 1C2019 06 03.36326113 06 33.15 -05 46 38.6                WEH087T09
     K22F12N KC2023 03 28.13990 13 30 18.74 -08 06 38.0          24.0 RoEH087W93
     K22F12N KC2023 03 28.18352 13 30 18.56 -08 06 36.7          24.0 RoEH087W93
     K22F12N KC2023 03 28.22185 13 30 18.40 -08 06 36.2          23.8 RoEH087W93

Observer details:
T09 Subaru Telescope, Maunakea.  Observer .  Measurer S. Deen.  8.3-m Subaru
    Telescope + CCD.
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
090327 T09 0.40+ 0.28+    230328 W93 0.06+ 0.03+    MPO782784  -18685 days

Orbital elements:
2022 FN12                                                                       
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Alexandersen            
M 241.48055              (2000.0)            P               Q                  
n   0.00357885     Peri.  196.30281     +0.82868558     +0.55945483             
a  42.3292555      Node   129.66657     -0.51102385     +0.76866841             
e   0.0268840      Incl.    1.26875     -0.22833055     +0.31009543             
P 275              H    7.64          G   0.15           U   5                  
Residuals in seconds of arc
090327 T09  0.2+  0.2+    190603 T09  0.1-  0.2-    220328 W93  0.5-  0.1+
090327 T09  0.1-  0.2+    190603 T09  0.0   0.1-    220328 W93  0.4-  0.1+
190410 T09  0.2+  0.1-    190603 T09  0.1-  0.2-    220328 W93  0.1+  0.4-
190410 T09  0.0   0.1-    220326 W93  0.0   0.2-    230328 W93  0.2+  0.4+
190410 T09  0.1-  0.2-    220326 W93  0.4+  0.2-    230328 W93  0.3+  0.6+
190603 T09  0.1-  0.2-    220326 W93  0.2-  0.3+    230328 W93  0.4+  0.1+

Ephemeris:
2022 FN12                a,e,i = 42.33, 0.03, 1                  q = 41.1913
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 03 30    13 35 02.0 -08 33 40  41.9338 42.8958   164.3     0.4    24.0
...
2024 04 14    13 33 55.7 -08 27 10  41.8922 42.8949   178.6     0.0    23.9
...
2024 04 22    13 33 19.9 -08 23 41  41.8976 42.8944   172.6     0.2    24.0
...
2024 04 28    13 32 53.5 -08 21 09  41.9139 42.8941   166.6     0.3    24.0
2024 04 29    13 32 49.2 -08 20 44  41.9176 42.8940   165.7     0.3    24.0
2024 04 30    13 32 44.8 -08 20 19  41.9217 42.8939   164.7     0.4    24.0
...
2024 05 06    13 32 19.5 -08 17 54  41.9518 42.8936   158.8     0.5    24.0
...
2024 05 14    13 31 47.5 -08 14 53  42.0073 42.8931   150.9     0.7    24.0
...
2024 05 29    13 30 55.8 -08 10 07  42.1544 42.8922   136.2     0.9    24.1

M. P. C. Staff               (C) Copyright 2024 MPC           M.P.E.C. 2024-H87