[Iaude] MPEC U127: 2023 UL2 [a=1.67,e=0.39,i=26.9,H=24.2]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri Oct 20 09:21:47 EDT 2023


M.P.E.C. 2023-U127                             Issued 2023 October 20, 13:20 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 UL2                                    


Observations:
     K23U02L* C2023 10 18.39262 03 47 51.73 -25 30 48.7          18.8 GVEU127G96
     K23U02L  C2023 10 18.39776 03 47 48.18 -25 28 16.6          19.2 GVEU127G96
     K23U02L  C2023 10 18.40289 03 47 44.61 -25 25 42.2          19.2 GVEU127G96
     K23U02L  C2023 10 18.42982703 47 25.378-25 12 19.50         18.8 GVEU127H01
     K23U02L  C2023 10 18.43536803 47 21.567-25 09 33.10         18.9 GVEU127H01
     K23U02L  C2023 10 18.44362503 47 15.910-25 05 24.01         19.0 GVEU127H01
     K23U02L  C2023 10 18.44587 03 47 14.93 -25 04 15.6          19.1 GVEU127I52
     K23U02L  C2023 10 18.44608 03 47 14.80 -25 04 08.7          19.0 GVEU127I52
     K23U02L  C2023 10 18.44630 03 47 14.64 -25 04 01.9          19.0 GVEU127I52
     K23U02L  C2023 10 18.44652 03 47 14.50 -25 03 55.3          19.5 GVEU127I52
     K23U02L  C2023 10 18.45041603 47 11.212-25 01 59.18         19.0 GVEU127H01
     K23U02L  C2023 10 18.47091 03 46 57.67 -24 51 35.8          18.9 GVEU127I52
     K23U02L  C2023 10 18.47113 03 46 57.52 -24 51 29.4          19.2 GVEU127I52
     K23U02L  C2023 10 18.47134 03 46 57.40 -24 51 22.9          19.3 GVEU127I52
     K23U02L  C2023 10 18.48868303 46 54.513-24 42 20.74               VEU127F51
     K23U02L  C2023 10 18.49857703 46 47.556-24 37 21.05         19.03GVEU127F51
     K23U02L  C2023 10 18.51785703 46 33.931-24 27 32.66         18.71GVEU127F51
     K23U02L KC2023 10 18.56890603 46 04.41 -23 58 03.5          19.1 GVEU127474
     K23U02L KC2023 10 18.56967903 46 03.87 -23 57 39.8          19.3 GVEU127474
     K23U02L KC2023 10 18.57045103 46 03.33 -23 57 15.8          19.1 GVEU127474
     K23U02L KC2023 10 18.57122603 46 02.78 -23 56 51.9          19.2 GVEU127474
     K23U02L KC2023 10 18.57199803 46 02.26 -23 56 28.0          19.4 GVEU127474
     K23U02L 0B2023 10 19.05851103 40 43.879-19 31 12.59         18.9 VZEU127M49
     K23U02L 0B2023 10 19.06354303 40 40.129-19 28 17.12         19.3 VZEU127M49
     K23U02L 0B2023 10 19.06857503 40 36.385-19 25 22.22         19.0 VZEU127M49
     K23U02L KC2023 10 19.27732403 38 25.85 -17 24 20.8          18.9 GXEU127858
     K23U02L KC2023 10 19.28433403 38 20.67 -17 20 07.0          18.7 GXEU127858
     K23U02L KC2023 10 19.29128203 38 15.52 -17 15 54.5          18.8 GXEU127858
     K23U02L  C2023 10 19.34353503 37 38.635-16 43 57.75         18.6 GVEU127654
     K23U02L  C2023 10 19.34554003 37 37.130-16 42 43.94         18.6 GVEU127654
     K23U02L KC2023 10 19.45272 03 36 16.853-15 36 17.96         18.9 GVEU127U52
     K23U02L KC2023 10 19.45542 03 36 14.880-15 34 36.77         19.5 GVEU127U52
     K23U02L KC2023 10 19.45810 03 36 12.797-15 32 53.27         18.3 GVEU127U52
     K23U02L mC2023 10 19.49936203 35 38.922-15 06 16.63         18.84GVEU127I52
     K23U02L mC2023 10 19.50277703 35 36.373-15 04 05.63         18.69GVEU127I52
     K23U02L mC2023 10 19.50295203 35 36.244-15 03 58.86         18.66GVEU127I52
     K23U02L mC2023 10 19.50312903 35 36.100-15 03 51.98         19.09GVEU127I52
     K23U02L KC2023 10 19.52773 03 35 31.11 -14 44 26.1          18.5 RqEU127E94
     K23U02L KC2023 10 19.53758 03 35 23.47 -14 38 07.0          18.6 RqEU127E94
     K23U02L KC2023 10 19.54745 03 35 15.92 -14 31 47.5          18.6 RqEU127E94
     K23U02L KC2023 10 19.55732 03 35 08.20 -14 25 27.2          18.6 RqEU127E94
     K23U02L KB2023 10 19.92326 03 30 51.05 -10 26 04.4          18.4 GXEU127M45
     K23U02L KB2023 10 19.92534 03 30 49.41 -10 24 38.8                XEU127M45
     K23U02L KB2023 10 19.92743 03 30 47.78 -10 23 13.0                XEU127M45
     K23U02L 0B2023 10 19.94854103 30 34.216-10 04 48.47         18.5 VZEU127M49
     K23U02L 0B2023 10 19.95226903 30 31.220-10 02 13.76         18.7 VZEU127M49
     K23U02L 0B2023 10 19.95598303 30 28.231-09 59 39.70         19.1 VZEU127M49
     K23U02L  C2023 10 20.33783 03 25 43.42 -05 30 01.3          18.21RUEU127I41
     K23U02L  C2023 10 20.33818 03 25 43.09 -05 29 45.9          18.21RUEU127I41
     K23U02L  C2023 10 20.33831 03 25 42.94 -05 29 39.7          18.19RUEU127I41
     K23U02L  C2023 10 20.33865 03 25 42.73 -05 29 25.4          18.19RUEU127I41
     K23U02L 1C2023 10 20.35193603 25 30.202-05 19 34.75         18.64GVEU127703
     K23U02L KC2023 10 20.35581 03 25 29.102-05 17 09.46         19.7 GVEU127U52
     K23U02L 1C2023 10 20.35716603 25 25.770-05 15 43.34         18.57GVEU127703
     K23U02L KC2023 10 20.35775 03 25 27.485-05 15 43.38         18.4 GVEU127U52
     K23U02L KC2023 10 20.35970 03 25 25.874-05 14 16.84         18.4 GVEU127U52
     K23U02L 1C2023 10 20.36239603 25 21.428-05 11 53.41         18.32GVEU127703
     K23U02L 1C2023 10 20.36763103 25 17.058-05 07 59.48         18.56GVEU127703

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.
703 Catalina Sky Survey.  Observer D. C. Fuls.  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.  0.68-m Schmidt + 10K CCD.
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m f/8.1
    Schmidt-Cassegrain + CCD.
E94 Possum Observatory, Gisborne.  Observer J. Drummond.  0.41-m f/4.5
    Newtonian + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, 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.
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.
I41 Palomar Mountain--ZTF.  Observers K. Venkataramani, T. Prince, G. Helou,
    Q.-Z. Ye, D. Kulkarni, V. Swain, C. Y. Hsu, Y. Cheng, T. Batra.  Measurers
    F. Masci, D. Shupe, K. Venkataramani, Q.-Z. Ye.  1.2-m f/2.44 Oschin-
    Schmidt + 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
    f/2.0 prime focus + CCD, 1.0-m prime focus + CCD.
M45 Starhopper Observatory, Sfantu Gheorghe.  Observer F. Ursache.  0.41-m
    f/7.5 reflector + CMO.
M49 IAS Remote Observatory, Hakos.  Observers D. Husar, M. Junius.  Measurer
    D. Husar.  0.25-m f/4.5 reflector + CMO.
U52 Shasta Valley Observatory, Grenada.  Observers J. E. Rogers, B. Haeusler.
    Measurers J. E. Rogers, D. Parrott.  0.30-m f/5.2 0.30-m Helin Telescope +
    CCD.

Orbital elements:
2023 UL2                                                 Earth MOID = 0.0351 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 345.60484              (2000.0)            P               Q                  
n   0.45486866     Peri.  351.75141     +0.92901850     -0.29927486             
a   1.6744751      Node    28.78042     +0.36004012     +0.59532367             
e   0.3861512      Incl.   26.87266     +0.08541506     +0.74567036             
P   2.17           H   24.29          G   0.15           U   8                  
Residuals in seconds of arc
231018 G96  0.2+  0.1+    231018 474  0.5-  0.4-    231019 E94  2.4-  1.5-
231018 G96  0.2+  0.4-    231018 474  0.3-  0.4-    231019 M45  1.6-  1.3+
231018 G96  0.2-  1.5+    231019 M49  0.1-  0.1-    231019 M45  1.8-  1.1+
231018 H01  0.2+  0.5+    231019 M49  0.2-  0.2+    231019 M45  1.6-  0.7+
231018 H01  0.2+  0.2+    231019 M49  0.3-  0.3-    231019 M49  1.2-  0.1-
231018 H01  0.6+  0.4+    231019 858  1.2-  0.8+    231019 M49  1.2-  0.0
231018 I52  0.1+  0.2-    231019 858  1.0-  0.4+    231019 M49  1.2-  0.0
231018 I52  0.3+  0.4+    231019 858  0.9-  0.6+    231020 I41  1.0+  0.0
231018 I52  0.1+  0.5+    231019 654  0.5-  0.0     231020 I41  0.4+  0.0
231018 I52  0.3+  0.5+    231019 654  0.5-  0.0     231020 I41  0.2-  0.5+
231018 H01  0.1+  0.0     231019 U52  0.7-  0.3-    231020 I41  0.8+  0.2-
231018 I52  0.1-  0.7+    231019 U52  0.3+  1.1-    231020 703  1.1-  1.1+
231018 I52  0.1-  0.4+    231019 U52  0.4-  0.7+    231020 U52  0.9-  0.9+
231018 I52  0.2+  0.5+    231019 I52  0.3-  0.1-    231020 703  1.8-  1.1+
231018 F51  0.2+  0.1-    231019 I52  0.0   0.0     231020 U52  1.1-  0.9+
231018 F51  0.3+  0.5-    231019 I52  0.0   0.1+    231020 U52  1.1-  1.4+
231018 F51  0.2+  0.2+    231019 I52  0.2-  0.1+    231020 703  1.1-  0.5-
231018 474  0.1-  0.3-    231019 E94  0.9+  2.9-    231020 703  0.7-  1.4+
231018 474  0.2-  0.5-    231019 E94  0.7-  1.5-
231018 474  0.3-  0.4-    231019 E94  0.4-  1.4-

Ephemeris:
2023 UL2                 a,e,i = 1.67, 0.39, 27                  q = 1.0279
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 20    05 21 33.0 -65 46 10   0.2764  1.0598    93.9    71.0    24.1
...
2023 10 05    05 01 55.4 -60 25 48   0.1535  1.0329    98.0    73.5    22.9
...
2023 10 13    04 30 02.2 -50 11 59   0.08649 1.0280   108.0    67.4    21.4
...
2023 10 19    03 41 25.1 -20 05 30   0.04430 1.0289   136.5    41.8    19.2
2023 10 20    03 29 51.2 -09 30 30   0.04015 1.0294   145.7    33.1    18.8
2023 10 21    03 17 01.5 +02 58 17   0.03778 1.0300   154.9    24.2    18.4
...
2023 10 27    01 31 41.1 +60 25 09   0.06157 1.0360   131.7    45.7    20.1
...
2023 11 04    22 56 06.1 +73 58 22   0.1268  1.0498   113.9    59.7    22.1
...
2023 11 19    21 13 44.0 +75 02 47   0.2550  1.0915   107.2    59.9    23.7

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U127




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