[Iaude] MPEC X06: 2021 NV [a=1.42,e=0.75,i=37.8,H=20.41]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sat Dec 2 09:15:27 EST 2023


M.P.E.C. 2023-X06                              Issued 2023 December 2, 14:14 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

                                    2021 NV                                     


                           Revision to MPEC 2021-N34                            

Additional Observations:
     K21N00V @C2016 06 01.06768321 01 02.31 +16 27 58.4                VEX006950
     K21N00V @C2016 06 01.07107121 01 02.74 +16 28 02.2          21.3 iVEX006950
     K21N00V  S2016 07 03.03626723 36 33.34 +34 46 36.1                WEX006C51
     K21N00V  s2016 07 03.0362671 + 4023.3244 + 2675.4419 + 4863.7953   EX006C51
     K21N00V  S2016 07 03.10184623 37 37.65 +34 50 45.6                WEX006C51
     K21N00V  s2016 07 03.1018461 + 4047.0208 + 2689.2149 + 4836.5473   EX006C51
     K21N00V  S2016 07 03.23287723 39 48.29 +34 58 59.2                WEX006C51
     K21N00V  s2016 07 03.2328771 + 4037.3723 + 2697.2730 + 4840.1165   EX006C51
     K21N00V  C2016 07 04.40055 00 01 01.40 +36 10 06.8          19.7 rREX006G45
     K21N00V  C2016 07 04.40176 00 01 02.81 +36 10 11.2          19.7 rREX006G45
     K21N00V  C2016 07 04.40540 00 01 07.03 +36 10 24.2          19.7 rREX006G45
     K21N00V  C2016 07 04.41021 00 01 12.64 +36 10 40.9          19.7 rREX006G45
     K21N00V  C2016 07 04.41136 00 01 14.00 +36 10 45.5          19.5 rREX006G45
     K21N00V  C2016 07 04.42103 00 01 25.23 +36 11 19.4          19.9 rREX006G45
     K21N00V  C2016 07 04.42480 00 01 29.59 +36 11 33.1          19.8 rREX006G45
     K21N00V  C2016 07 04.42588 00 01 30.87 +36 11 36.6          19.7 rREX006G45

Observer details:
950 La Palma.  Observer .  Measurer S. Deen.  2.5-m Isaac Newton Telescope +
    CCD.
C51 WISE.  Observer .  Measurer S. Deen.
G45 Space Surveillance Telescope, Atom Site.  Observers M. Blythe, R.
    Brungard, P. Festler, T. McVey, J. Paige, G. Spitz.  Measurers M. Cornell,
    A. Klein, J. Ruprecht, G. Ushomirsky, J. Varey, D. Woods.  3.5-m f/1
    reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
160601 950 0.10- 0.02-    160704 G45 0.50- 0.13-    E2021-P31   +0.03 days

Orbital elements:
2021 NV                                                  Earth MOID = 0.0919 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5                Veres                   
M  53.55025              (2000.0)            P               Q                  
n   0.57940945     Peri.  290.24660     +0.45187456     -0.72292272             
a   1.4249917      Node   121.45833     +0.85453100     +0.51897690             
e   0.7452786      Incl.   37.78775     -0.25609793     +0.45612029             
P   1.70           H   20.41          G   0.15           U   1                  
Residuals in seconds of arc
160601 950  0.7-  0.0     210705 L01  0.5+  0.3-    210706 H21  0.2-  0.0
160601 950  0.5+  0.2+    210705 033  0.4+  0.5-    210706 291  0.3+  0.1+
160703 C51  0.6+  0.9-    210705 033  0.0   0.1+    210706 291  0.2+  0.2-
160703 C51  1.1-  1.0+    210705 033  0.1-  0.1+    210706 291  0.3-  0.8-
160703 C51  0.5+  1.6+    210705 L01  0.1+  0.8+    210707 H21  0.3+  0.2+
160704 G45  0.2-  0.1+    210705 L01  0.1+  0.3+    210707 H21  0.4+  0.1+
160704 G45  0.1-  0.1+    210705 L01  0.6+  0.1+    210707 H21  0.2+  0.2+
160704 G45  0.2-  0.1+    210705 511  1.3-  0.5-    210707 V06  0.1-  0.0
160704 G45  0.0   0.4-    210705 511  0.9-  0.4-    210707 V06  0.2+  0.1-
160704 G45  0.3+  0.1+    210705 511  0.5-  1.1+    210707 V06  0.1-  0.0
160704 G45  0.2+  0.4-    210705 511  0.8-  0.4-    210707 V06  0.1+  0.0
160704 G45  0.1-  0.1-    210705 511  0.5-  0.4+    210710 033  0.0   0.1-
160704 G45  0.2+  0.5-    210705 511  0.2-  1.0+    210710 033  0.0   0.2+
210627 G96  0.7-  0.1-    210705 511  1.5-  1.0+    210710 033  0.1+  0.3+
210627 G96  1.0-  0.1-    210705 511  0.3-  1.2+    210729 291  0.2+  0.2-
210627 G96  0.2-  0.2-    210705 511  0.0   0.0     210729 291  0.6-  0.7+
210705 V00  0.0   0.0     210705 511  1.1-  0.4+    210729 291  0.6+  0.0
210705 V00  0.0   0.0     210705 511  0.6+  1.3+    210805 691  0.1-  0.8-
210705 V00  0.1-  0.0     210705 511  0.3+  0.2+    210805 691  0.2+  0.1-
210705 V00  0.0   0.1-    210705 511  0.8-  0.7+    210805 691  0.2-  0.0
210705 L01  0.7+  0.2-    210706 H21  0.0   0.1+
210705 L01  0.0   0.3+    210706 H21  0.1-  0.0

Ephemeris:
2021 NV                  a,e,i = 1.42, 0.75, 38                  q = 0.3630
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2023 11 02    14 29 23.7 +12 01 46   2.7870  1.9500    26.5    13.1    24.9
...
2023 11 17    14 57 42.2 +10 31 12   2.8405  2.0466    30.2    14.0    25.0
...
2023 11 25    15 12 09.4 +09 54 33   2.8554  2.0936    32.7    14.8    25.1
...
2023 12 01    15 22 42.9 +09 32 38   2.8604  2.1268    34.8    15.4    25.2
2023 12 02    15 24 27.1 +09 29 27   2.8607  2.1322    35.2    15.5    25.2
2023 12 03    15 26 10.9 +09 26 24   2.8608  2.1375    35.6    15.6    25.2
...
2023 12 09    15 36 25.6 +09 11 04   2.8586  2.1686    38.0    16.2    25.2
...
2023 12 17    15 49 42.2 +08 58 36   2.8473  2.2075    41.4    17.2    25.3
...
2024 01 01    16 13 19.4 +09 00 43   2.8012  2.2730    48.5    18.9    25.4

A. U. Tomatic                (C) Copyright 2023 MPC           M.P.E.C. 2023-X06




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