[Iaude] MPEC X05: 2020 NL1 [a=2.28,e=0.47,i=6.9,H=19.92]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 2 09:14:31 EST 2023


M.P.E.C. 2023-X05                              Issued 2023 December 2, 14:13 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

                                    2020 NL1                                    


                           Revision to MPEC 2020-O14                            

Additional Observations:
     K20N01L 5C2013 05 09.61135416 08 05.85 -08 29 58.2                WEX005T14
     K20N01L 1C2016 04 01.50147413 22 31.61 -02 00 31.5                WEX005T09
     K20N01L 1C2016 04 01.56431213 22 28.03 -02 00 02.7                WEX005T09
     K20N01L 1C2016 04 01.58501313 22 26.85 -01 59 53.9                WEX005T09
     K20N01L 4C2019 03 08.35157 11 52 28.95 +03 22 37.2          25.5 r1EX005T09
     K20N01L 4C2019 03 08.37320 11 52 27.83 +03 22 46.1          24.8 r1EX005T09
     K20N01L 4C2019 03 08.40683 11 52 26.02 +03 23 00.8          26.1 r1EX005T09

Observer details:
T09 Subaru Telescope, Maunakea.  Observers , H. Aihara, Y. AlSayyad, M. Ando,
    R. Armstrong, J. Bosch, E. Egami, H. Furusawa, J. Furusawa, S. Harasawa,
    Y. Harikane, B.-C. Hsieh, H. Ike, K. Ito, I. Iwata, T. Kodama, M. Koike,
    M. Kokubo, Y. Komiyama, X. Li, Y. Liang, Y.-T. Lin, R. H. Lupton, N. B.
    Lust, L. A. MacArthur, K. Mawatari, S. Mineo, H. Miyatake, S. Miyazaki, S.
    More, T. Morishima, H. Murayama, K. Nakajima, F. Nakata, A. J. Nishizawa,
    M. Oguri, N. Okab, Y. Okura, Y. Ono, K. Osato, M. Ouchi, Y.-C. Pan, A. A.
    Plazas MalagA, P. A. Price, S. L. Reed, E. S. Rykoff, T. Shibuya, M.
    Simunovic, M. A. Strauss, K. Sugimori, Y. Suto, N. Suzuki, M. Takada, Y.
    Takagi, T. Takata, S. Takita, M. Tanaka, S. Tang, D. S. Taranu, T. Terai,
    Y. To, E. L. Turner, H. Uchiyama, B. Vijarnwannaluk, C. Z. Waters, Y.
    Yamada, N. Yamamoto, T. Yamashita.  Measurers S. Deen, T. Kojima.  8.3-m
    Subaru Telescope + CCD, 8.2-m f/2.0 reflector + CCD(HSC).
T14 Canada-France-Hawaii Telescope, Maunakea.  Observer R. Wainscoat.
    Measurer S. Deen.  3.58-m Canada-France-Hawaii Telescope + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
130509 T14 45.7-  4.9-    190308 T09  2.1-  0.6-    MPO740937   +0.05 days

Orbital elements:
2020 NL1                                                 Earth MOID = 0.1921 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M 304.50846              (2000.0)            P               Q                  
n   0.28661053     Peri.  189.22617     +0.98262659     +0.18105916             
a   2.2782845      Node   160.20070     -0.16167843     +0.94297197             
e   0.4739751      Incl.    6.91380     -0.09113216     +0.27932318             
P   3.44           H   19.92          G   0.15           U   1                  
Residuals in seconds of arc
130509 T14  0.1-  1.3-    200717 734  0.8+  0.2+    200727 474  0.0   0.1-
160401 T09  0.4-  0.0     200717 H36  0.1-  0.2+    200807 I52  0.1-  0.1+
160401 T09  0.0   0.2+    200717 H36  0.6-  0.2+    200807 I52  0.1-  0.0
160401 T09  0.0   0.4-    200717 H36  0.9-  0.1+    200808 I52  0.4-  0.2-
190308 T09  0.4-  0.1+    200717 673  0.1-  0.1-    200808 I52  0.3-  0.2-
190308 T09  0.3+  0.3-    200717 673  0.1-  0.1-    200808 I52  0.4-  0.2-
190308 T09  0.3+  0.0     200717 673  0.3+  0.2+    200820 I52 (2.1+  3.4-)
200715 G96  0.2-  0.3+    200717 474  0.1+  0.2-    200820 I52  0.2-  0.2-
200715 G96  0.4+  0.4+    200717 474  0.1-  0.4-    201011 I52  0.5-  0.4+
200715 G96  0.8+  0.1+    200717 474  0.2-  0.4-    201011 I52  0.7+  0.2-
200715 474  0.0   0.2-    200717 474  0.0   0.1-    201011 I52  0.3-  0.5-
200715 474  0.2-  0.1+    200718 673  0.4+  0.1-    201105 I52  0.1-  0.3-
200715 474  0.3-  0.1-    200718 673  0.8+  0.6+    201105 I52  0.7-  0.1+
200715 474  0.0   0.2-    200718 673  1.3+  0.2+    201105 I52  0.2+  0.1+
200716 Z84  0.1-  0.5+    200718 F51  0.1-  0.0     201107 807  0.3+  0.3+
200716 Z84  0.1-  0.0     200718 F51  0.1-  0.0     201107 807  0.1+  0.6+
200716 Z84  0.1-  0.4+    200718 F51  0.0   0.0     201107 807  0.2-  0.1-
200716 033  0.1-  0.0     200718 F51  0.0   0.0     201110 807  0.4+  0.0
200716 033  0.1+  0.3+    200723 F51  0.0   0.1-    201110 807  0.3+  0.4-
200716 I93  0.1-  0.3+    200723 F51  0.0   0.1-    201110 807  0.3+  0.5-
200717 I93  0.3-  0.8+    200723 F51  0.0   0.0     201215 807  0.1-  0.2-
200717 734  0.3+  0.0     200727 474  0.1-  0.2-    201215 807  0.1-  0.0
200717 734  0.2-  0.1-    200727 474  0.1+  0.4-    201215 807  0.1-  0.1+
200717 734  0.5+  0.0     200727 474  0.1-  0.3-

Ephemeris:
2020 NL1                 a,e,i = 2.28, 0.47, 7                   q = 1.1984
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 02    16 04 40.7 -16 01 32   2.7029  1.8385    23.8    12.6    24.1
...
2023 11 17    16 41 08.0 -17 42 32   2.6626  1.7466    17.7     9.9    23.9
...
2023 11 25    17 02 01.9 -18 25 58   2.6336  1.6976    14.7     8.5    23.8
...
2023 12 01    17 18 22.5 -18 52 41   2.6091  1.6610    12.7     7.5    23.6
2023 12 02    17 21 09.3 -18 56 35   2.6048  1.6549    12.3     7.3    23.6
2023 12 03    17 23 57.1 -19 00 21   2.6005  1.6489    12.0     7.1    23.6
...
2023 12 09    17 41 03.8 -19 19 18   2.5733  1.6126    10.1     6.1    23.5
...
2023 12 17    18 04 45.6 -19 34 15   2.5346  1.5650     7.7     4.8    23.3
...
2024 01 01    18 51 44.1 -19 25 42   2.4573  1.4785     4.3     2.8    23.0

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-X05




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