[Iaude] MPEC U98: 2023 UM1 [a=1.20,e=0.16,i=29.0,H=24.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Oct 19 02:35:52 EDT 2023


M.P.E.C. 2023-U98                              Issued 2023 October 19, 06:34 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

                                    2023 UM1                                    


Observations:
     K23U01M*1C2023 10 17.36982302 59 35.581-16 23 17.20         19.90GVEU098G96
     K23U01M 1C2023 10 17.37573902 59 29.274-16 21 13.86         20.23GVEU098G96
     K23U01M 1C2023 10 17.39108002 59 12.707-16 15 45.32         20.36GVEU098G96
     K23U01M 1C2023 10 17.44987902 58 09.480-15 54 48.40         19.98GVEU098G96
     K23U01M KC2023 10 17.44990702 58 09.401-15 54 46.33         19.86GVEU098I52
     K23U01M KC2023 10 17.45084102 58 08.371-15 54 25.96         20.20GVEU098I52
     K23U01M 1C2023 10 17.45087202 58 08.340-15 54 24.20         20.45GVEU098G96
     K23U01M 1C2023 10 17.45136802 58 07.800-15 54 15.80         20.32GVEU098G96
     K23U01M KC2023 10 17.45269602 58 06.380-15 53 44.88         19.46GVEU098I52
     K23U01M  C2023 10 17.45588202 58 02.654-15 52 38.60         20.1 GVEU098H01
     K23U01M  C2023 10 17.45919202 57 59.112-15 51 27.05         20.3 GVEU098H01
     K23U01M  C2023 10 17.46950102 57 48.080-15 47 44.62         20.3 GVEU098H01
     K23U01M  C2023 10 17.47656302 57 40.546-15 45 12.24         20.9 GVEU098H01
     K23U01M hC2023 10 17.99962402 48 41.85 -12 33 36.0          19.8 GVEU098L01
     K23U01M hC2023 10 18.00161002 48 39.72 -12 32 52.2          19.9 GVEU098L01
     K23U01M hC2023 10 18.00359502 48 37.56 -12 32 07.1          19.9 GVEU098L01
     K23U01M hC2023 10 18.00611802 48 34.81 -12 31 09.8          20.0 GVEU098L01
     K23U01M  C2023 10 18.27844702 43 52.723-10 47 23.62         20.1 GVEU098654
     K23U01M  C2023 10 18.28245702 43 48.332-10 45 51.55         20.1 GVEU098654
     K23U01M KC2023 10 18.58464702 38 24.27 -08 45 52.8          20.2 GVEU098474
     K23U01M KC2023 10 18.58542102 38 23.49 -08 45 35.2          20.3 GVEU098474
     K23U01M KC2023 10 18.58696602 38 21.72 -08 44 58.7          20.5 GVEU098474
     K23U01M KC2023 10 18.58851202 38 20.01 -08 44 22.5          20.4 GVEU098474
     K23U01M 0B2023 10 18.91815102 32 34.721-06 34 53.74         19.9 VZEU098M49
     K23U01M 0B2023 10 18.92995702 32 21.556-06 30 11.80         20.0 VZEU098M49
     K23U01M 0B2023 10 18.94235402 32 07.742-06 25 15.91         20.2 VZEU098M49

Observer details:
474 Mount John Observatory, Lake Tekapo.  Observers A. C. Gilmore, P. M.
    Kilmartin.  Measurer P. M. Kilmartin.  1.0-m f/7.7 reflector + CCD.
654 Table Mountain Observatory, Wrightwood-PHMC.  Observers N. Evans, P. Choi,
    N. Saini, C. Zhai, R. Trahan, M. Shao.  1.0-m Reflector + CCD.
G96 Mt. Lemmon Survey.  Observer D. Rankin.  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.
H01 Magdalena Ridge Observatory, Socorro.  Observers W. H. Ryan, E. V. Ryan.
    Measurer W. H. Ryan.  2.4-m f/8.9 Ritchey-Chretien + CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer G. J. Leonard.
    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.  1.0-m
    prime focus + CCD.
L01 Visnjan Observatory, Tican.  Observer K. Korlevic.  1.0-m f/2.9 reflector
    + CCD.
M49 IAS Remote Observatory, Hakos.  Observers D. Husar, M. Junius.  Measurer
    D. Husar.  0.25-m f/4.5 reflector + CMO.

Orbital elements:
2023 UM1                                                 Earth MOID = 0.0632 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M   9.08609              (2000.0)            P               Q                  
n   0.75025074     Peri.  308.56322     +0.86941990     +0.43998417             
a   1.1994950      Node    27.62395     -0.13997257     +0.65564370             
e   0.1616055      Incl.   28.99763     -0.47383196     +0.61363285             
P   1.31           H   24.91          G   0.15           U   8                  
Residuals in seconds of arc
231017 G96  1.1-  1.8+    231017 H01  0.0   0.1+    231018 474  0.3-  0.5+
231017 G96  0.0   0.7-    231017 H01  0.1-  0.2+    231018 474  0.8+  0.1-
231017 G96  0.3-  1.1+    231017 H01  0.0   0.0     231018 474  0.2-  0.1+
231017 G96  1.1+  1.9-    231017 L01  0.8-  0.1+    231018 474  0.3-  0.1-
231017 I52  0.4+  0.5-    231018 L01  0.3-  0.8-    231018 M49  0.2+  0.0
231017 I52  0.0   0.2-    231018 L01  0.3-  0.5-    231018 M49  0.1-  0.3+
231017 G96  0.1-  1.4-    231018 L01  0.3-  0.0     231018 M49  0.0   0.3+
231017 I52  0.0   1.0+    231018 654  0.2+  0.1-
231017 H01  0.0   0.1-    231018 654  0.1+  0.1-

Ephemeris:
2023 UM1                 a,e,i = 1.20, 0.16, 29                  q = 1.0056
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 19    06 34 45.6 -54 39 46   0.2702  1.0133    84.1    80.5    24.9
...
2023 10 04    05 34 49.7 -49 36 26   0.1541  1.0306    96.9    74.5    23.5
...
2023 10 12    04 20 36.9 -38 27 19   0.09478 1.0433   116.0    59.3    22.0
...
2023 10 18    02 48 42.0 -12 31 53   0.06570 1.0543   150.5    27.7    20.3
2023 10 19    02 31 05.0 -06 03 17   0.06406 1.0562   158.6    20.2    20.1
2023 10 20    02 13 18.2 +00 40 31   0.06369 1.0581   166.9    12.3    19.8
...
2023 10 26    00 35 44.7 +32 34 34   0.08533 1.0704   152.0    25.8    20.9
...
2023 11 03    23 15 24.1 +47 11 19   0.1448  1.0881   128.4    45.6    22.6
...
2023 11 18    22 24 21.3 +53 00 57   0.2729  1.1241   113.1    54.0    24.3

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U98




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