[Iaude] MPEC U97: 2023 UL1 [a=1.51,e=0.33,i=29.9,H=24.7]

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


M.P.E.C. 2023-U97                              Issued 2023 October 19, 06:33 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 UL1                                    


Observations:
     K23U01L* C2023 10 17.27431623 50 32.937+10 03 43.66         20.77wXEU097F51
     K23U01L  C2023 10 17.28525723 50 39.243+10 00 14.65         20.72wXEU097F51
     K23U01L  C2023 10 17.29626723 50 45.568+09 56 43.81         20.67wXEU097F51
     K23U01L KC2023 10 17.40655023 51 51.29 +09 23 12.0          20.6 GVEU097474
     K23U01L KC2023 10 17.40806723 51 52.17 +09 22 42.8          20.6 GVEU097474
     K23U01L KC2023 10 17.40958523 51 53.08 +09 22 14.4                VEU097474
     K23U01L KC2023 10 17.41110323 51 53.91 +09 21 45.6          20.8 GVEU097474
     K23U01L KC2023 10 17.41459523 51 55.93 +09 20 39.1          20.5 GVEU097474
     K23U01L  C2023 10 17.41551723 51 50.621+09 18 21.81         20.1 GVEU097H01
     K23U01L  C2023 10 17.41625623 51 53.817+09 18 35.10         20.43GVEU097F51
     K23U01L  C2023 10 17.41689423 51 54.184+09 18 22.92         20.54GVEU097F51
     K23U01L  C2023 10 17.41964123 51 53.037+09 17 03.14         20.6 GVEU097H01
     K23U01L  C2023 10 17.42924923 51 58.737+09 13 59.60         20.6 GVEU097H01
     K23U01L  C2023 10 17.43739023 52 03.568+09 11 24.44         20.2 GVEU097H01
     K23U01L KC2023 10 18.08120523 58 27.22 +05 51 50.7          21.0 VuEU097H21
     K23U01L KC2023 10 18.09099323 58 32.49 +05 48 53.8          20.9 VuEU097H21
     K23U01L  C2023 10 18.20219 23 59 34.17 +05 15 29.1          20.0 GVEU097I52
     K23U01L  C2023 10 18.20546 23 59 35.88 +05 14 31.1                VEU097I52
     K23U01L  C2023 10 18.20750 23 59 36.97 +05 13 53.4          21.3 GVEU097I52
     K23U01L 3C2023 10 18.41216900 01 28.343+04 13 11.10         20.71GVEU097T14
     K23U01L 3C2023 10 18.41314500 01 28.850+04 12 53.74         20.86GVEU097T14
     K23U01L 3C2023 10 18.41412300 01 29.359+04 12 36.37         20.86GVEU097T14
     K23U01L KC2023 10 19.15014000 08 07.43 +00 41 09.8          21.1 GXEU097858
     K23U01L KC2023 10 19.16879800 08 16.60 +00 35 59.4          20.6 GXEU097858

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.
858 Tebbutt Observatory, Edgewood.  Observer F. B. Zoltowski.  0.51-m f/8.1
    Schmidt-Cassegrain + 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.
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.
H21 Astronomical Research Observatory, Westfield.  Observer R. Holmes.
    Measurers T. Linder, R. Holmes, L. Horn.  0.76-m f/3.0 astrograph + 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.
T14 Canada-France-Hawaii Telescope, Maunakea.  Observers R. Wainscoat, H.
    Januszewski, T. Burdullis.  Measurers R. Weryk, R. Wainscoat.  3.6-m f/4.1
    reflector + CCD.

Orbital elements:
2023 UL1                                                 Earth MOID = 0.0869 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M   3.29637              (2000.0)            P               Q                  
n   0.53233880     Peri.  135.16116     +0.89182952     +0.40818564             
a   1.5078008      Node   203.04351     -0.40125079     +0.91283574             
e   0.3285844      Incl.   29.87904     +0.20889689     +0.01074240             
P   1.85           H   24.73          G   0.15           U   9                  
Residuals in seconds of arc
231017 F51  0.0   0.3+    231017 H01  0.1+  0.1+    231018 I52  0.5+  0.4-
231017 F51  0.0   0.4+    231017 F51  0.1-  0.0     231018 I52  0.1+  0.5+
231017 F51  0.0   0.1-    231017 F51  0.0   0.1-    231018 I52  0.2+  0.4-
231017 474  0.1+  0.4+    231017 H01  0.2-  0.1+    231018 T14  0.0   0.0
231017 474  0.2+  0.0     231017 H01  0.0   0.2-    231018 T14  0.0   0.0
231017 474  0.7+  0.4+    231017 H01  0.1+  0.2-    231018 T14  0.0   0.0
231017 474  0.1+  0.5+    231018 H21  0.2+  0.0     231019 858  0.2-  0.0
231017 474  0.3+  0.3+    231018 H21  0.4-  0.9+    231019 858  0.1-  0.1+

Ephemeris:
2023 UL1                 a,e,i = 1.51, 0.33, 30                  q = 1.0124
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 09 19    17 16 48.5 +65 36 19   0.2647  1.0194    85.6    79.4    24.7
...
2023 10 04    20 17 44.2 +62 08 02   0.1415  1.0463   105.1    67.4    23.0
...
2023 10 12    22 43 29.8 +38 46 24   0.09574 1.0679   134.8    41.5    21.4
...
2023 10 18    23 57 37.9 +06 17 37   0.09743 1.0870   157.2    20.8    20.9
2023 10 19    00 06 46.5 +01 24 10   0.1014  1.0904   157.1    20.8    21.0
2023 10 20    00 15 10.3 -03 04 29   0.1063  1.0939   155.9    21.8    21.1
...
2023 10 26    00 53 22.2 -21 31 40   0.1483  1.1158   142.6    32.7    22.2
...
2023 11 03    01 24 02.0 -32 11 07   0.2207  1.1477   130.4    41.2    23.4
...
2023 11 18    01 55 30.1 -37 34 34   0.3714  1.2136   119.1    45.4    24.7

M. P. C. Staff               (C) Copyright 2023 MPC           M.P.E.C. 2023-U97




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