[Iaude] MPEC E40: 2022 UL9 [a=1.47,e=0.58,i=3.8,H=21.96]

mpec at cfa.harvard.edu mpec at cfa.harvard.edu
Mon Mar 4 09:11:05 EST 2024


M.P.E.C. 2024-E40                                 Issued 2024 March 4, 14:09 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 UL9                                    


                           Revision to MPEC 2022-U257                           

Additional Observations:
     K22U09L KC2015 02 15.42154110 29 42.060+04 56 16.44         23.76GVEE040F51
     K22U09L KC2015 03 10.33148909 38 47.960+10 23 18.61         22.97GVEE040F51
     K22U09L KC2015 03 18.24035409 20 44.150+12 22 49.88         22.81GVEE040F51
     K22U09L KC2015 03 19.40518509 18 13.647+12 39 33.13         22.71GVEE040F51
     K22U09L  C2024 03 02.47827411 52 57.059-02 05 42.29         21.98GVEE040F51
     K22U09L  C2024 03 02.50233011 52 54.787-02 05 24.80         21.74GVEE040F51
     K22U09L KC2024 03 03.44163111 51 29.495-01 53 36.92         22.31GVEE040I52
     K22U09L KC2024 03 03.44704211 51 28.969-01 53 32.21         22.06GVEE040I52
     K22U09L KC2024 03 03.45245811 51 28.447-01 53 27.64         21.86GVEE040I52
     K22U09L KC2024 03 03.45787911 51 27.947-01 53 23.14         22.33GVEE040I52

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Herman, T. Lowe, P. Minguez, A.
    Schultz, I. Smith.  Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
    Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
    Weryk.  1.8-m Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observers T. Beuden, J. K.
    Hogan.  Measurers T. Beuden, V. F. Carvajal, 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.  1.0-m prime focus + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
150215 F51 0.12- 0.04-    240303 I52 0.06- 0.02-    E2024-A88   +0.03 days

Orbital elements:
2022 UL9                                            PHA, Earth MOID = 0.0219 AU
Epoch 2024 Mar. 31.0 TT = JDT 2460400.5                 Veres                   
M 319.23695              (2000.0)            P               Q                  
n   0.55211704     Peri.  112.35061     +0.39699888     +0.91781829             
a   1.4715735      Node   181.04243     -0.86473328     +0.37359303             
e   0.5837778      Incl.    3.82750     -0.30761705     +0.13430501             
P   1.79           H   21.96          G   0.15           U   0                  
Residuals in seconds of arc
150215 F51  0.2-  0.1-    221025 W68  0.0   0.2-    221030 T08  0.1+  0.5+
150310 F51  0.0   0.2-    221025 W68  0.4+  0.1+    221030 T05  0.8+  0.3-
150318 F51  0.0   0.2-    221025 W68  0.2-  0.1+    221030 T05  0.3+  0.2+
150319 F51  0.1+  0.3+    221025 900  0.2+  0.2-    221030 T05  0.2+  0.2+
221024 W68  0.3-  0.4-    221025 900  0.0   0.5-    221030 T05  0.5-  0.3-
221024 W68  0.1-  0.0     221025 900  0.3+  0.3-    221030 T08  0.1+  0.6+
221024 W68  0.2-  0.1-    221025 X74  0.5+  0.2+    221030 T05  0.1-  0.1-
221024 W68  0.4-  0.3-    221025 X74  0.3+  0.2+    221031 W94  0.3+  0.2+
221024 W68  0.0   0.0     221025 X74  0.2+  0.1+    221031 W94  0.0   0.2-
221024 X74  0.3+  0.8+    221026 W68  0.0   0.1+    221031 W94  0.0   0.0
221024 X74  0.3+  0.1+    221026 W68  0.2+  0.1+    221031 703  0.2+  0.1+
221024 X74  0.4-  0.2+    221026 W68  0.8-  0.1-    221031 703  0.3+  0.2-
221024 X74  1.4+  1.1+    221026 W68  0.0   0.1-    221031 703  0.1-  0.1+
221024 X74  0.7+  0.7+    221026 X74  0.2+  0.7+    221031 703  0.0   0.2-
221024 X74  0.9+  0.1-    221026 X74  0.3-  0.6-    221102 703  1.2+  0.7+
221024 900  0.4+  0.1-    221026 X74  0.6-  1.0-    221102 703  0.7+  0.4-
221024 900  0.5-  0.3-    221027 M22  0.2+  0.2-    221102 703 (3.3+  0.5-)
221024 900  0.1-  0.7-    221027 M22  0.3+  0.4+    221114 807  0.1-  0.4+
221024 X74  0.5+  0.5+    221027 M22  0.3+  0.4+    221114 807  0.8-  0.0
221025 X74  0.3+  0.3+    221027 M22  0.2-  0.3-    221114 807  0.4-  0.2-
221025 X74  0.1+  0.4+    221027 W88  0.2-  0.0     221116 F52  0.1+  0.0
221025 X74  0.3+  0.2+    221027 W88  0.0   0.1-    221116 F52  0.0   0.0
221025 X74  0.3+  0.2+    221027 807  0.6-  0.2-    221116 F52  0.1-  0.1-
221025 X74  0.7+  0.5+    221027 807  0.7+  0.0     221116 F52  0.0   0.0
221025 Y00  0.3+  0.1+    221027 W88  0.4+  0.3+    221119 G96  0.0   0.0
221025 Y00  0.1+  0.1+    221027 W88  0.0   0.4+    221119 G96  0.1+  0.0
221025 Y00  0.2+  0.2+    221027 807  0.3-  0.3+    221119 G96  0.0   0.2+
221025 Y00  0.2+  0.1+    221027 M22  0.4-  0.0     221119 G96  0.2+  0.1+
221025 807  0.1+  0.2-    221027 M22  0.3-  0.2-    221126 H21  0.7-  0.1+
221025 807  0.3-  0.0     221027 M22  0.0   0.1-    221126 H21  0.6-  0.5+
221025 807  0.1-  0.2-    221027 M22  0.2+  0.6+    240302 F51  0.1-  0.3+
221025 W68  0.2-  0.3-    221030 W68  0.6+  0.7-    240302 F51  0.0   0.1+
221025 W68  0.0   0.0     221030 W68  0.4-  0.3-    240303 I52  0.2-  0.9-
221025 W68  0.6+  0.3+    221030 W68  0.2-  0.0     240303 I52  0.1-  0.4-
221025 W68  0.2-  0.0     221030 W68  0.2+  0.8+    240303 I52  0.0   0.1-
221025 W68  0.1+  0.4+    221030 T08  0.1+  0.2+    240303 I52  0.5+  0.2+

Ephemeris:
2022 UL9                 a,e,i = 1.47, 0.58, 4                   q = 0.6125
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2024 02 03    12 06 54.2 -04 04 04   0.8763  1.6882   130.0    26.6    24.0
...
2024 02 18    12 05 28.6 -03 49 38   0.6611  1.5784   145.6    20.7    23.1
...
2024 02 26    11 59 40.0 -03 01 33   0.5589  1.5156   155.3    15.9    22.5
...
2024 03 03    11 52 10.6 -01 59 07   0.4891  1.4666   163.4    11.2    21.9
2024 03 04    11 50 37.3 -01 46 03   0.4780  1.4583   164.8    10.3    21.8
2024 03 05    11 48 58.3 -01 32 08   0.4672  1.4499   166.3     9.3    21.7
...
2024 03 11    11 36 54.0 +00 10 36   0.4062  1.3987   175.4     3.3    21.1
...
2024 03 19    11 14 13.1 +03 27 00   0.3365  1.3278   169.5     7.9    20.8
...
2024 04 03    10 06 49.9 +13 01 17   0.2446  1.1872   135.7    36.0    20.7

A. U. Tomatic                (C) Copyright 2024 MPC           M.P.E.C. 2024-E40




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