[Iaude] MPEC Y70: 2021 SG49 [a=1.39,e=0.39,i=2.6,H=26.0]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Wed Dec 29 17:33:07 EST 2021


M.P.E.C. 2021-Y70                             Issued 2021 December 29, 22:31 UT

     The Minor Planet Electronic Circulars contain information on unusual
         minor planets and routine data on comets.  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 SG49                                    


Observations:
     K21S49G* C2021 09 16.41554402 30 06.52 +14 07 02.9          22.52GVEY070G96
     K21S49G  C2021 09 16.42235902 30 01.03 +14 06 58.4          21.86GVEY070G96
     K21S49G  C2021 09 16.42802902 29 56.43 +14 06 53.4          21.51GVEY070G96
     K21S49G  C2021 09 16.43370702 29 51.86 +14 06 48.7          21.29GVEY070G96
     K21S49G KC2021 09 16.47599602 29 18.10 +14 06 13.6          21.53GVEY070G96
     K21S49G KC2021 09 16.47764302 29 16.78 +14 06 12.2                VEY070G96
     K21S49G KC2021 09 16.47929102 29 15.46 +14 06 10.9          21.63GVEY070G96
     K21S49G  C2021 09 18.32409 02 08 50.69 +13 40 28.5          21.9 GVEY070G96
     K21S49G  C2021 09 18.32712 02 08 48.76 +13 40 26.0          21.2 GVEY070G96
     K21S49G  C2021 09 18.33016 02 08 46.85 +13 40 23.9          21.7 GVEY070G96

Observer details:
G96 Mt. Lemmon Survey.  Observer G. J. Leonard.  Measurers E. J. Christensen,
    G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H. Groeller, R. A.
    Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D. Rankin, R. L.
    Seaman, F. C. Shelly, K. W. Wierzchos, B. Gray.  1.5-m reflector + 10K
    CCD.

Orbital elements:
2021 SG49                                                Earth MOID = 0.0069 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M 110.61102              (2000.0)            P               Q                  
n   0.60334735     Peri.  286.26044     +0.22714818     +0.97385704             
a   1.3870468      Node   356.86560     -0.87524173     +0.20302600             
e   0.3930573      Incl.    2.60561     -0.42703117     +0.10189659             
P   1.63           H   26.09          G   0.15           U   9                  
Residuals in seconds of arc
210916 G96  0.2+  0.5-    210916 G96  0.3+  0.1-    210918 G96  0.1-  0.1-
210916 G96  0.1+  0.3+    210916 G96  0.1+  0.1-    210918 G96  0.1+  0.2+
210916 G96  0.5-  0.2-    210916 G96  0.0   0.0
210916 G96  0.6-  0.3-    210918 G96  0.1+  0.0

Ephemeris:
2021 SG49                a,e,i = 1.39, 0.39, 3                   q = 0.8419
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 29    00 44 25.2 +09 32 03   0.6686  1.4888   127.1    31.9    27.4
...
2021 12 14    01 01 30.4 +10 50 05   0.8549  1.5643   116.4    34.3    28.1
...
2021 12 22    01 12 05.5 +11 40 45   0.9603  1.6019   111.0    35.0    28.5
...
2021 12 28    01 20 33.5 +12 21 40   1.0416  1.6287   107.0    35.3    28.7
2021 12 29    01 22 00.6 +12 28 41   1.0553  1.6331   106.4    35.3    28.7
2021 12 30    01 23 28.4 +12 35 45   1.0691  1.6374   105.8    35.3    28.8
...
2022 01 05    01 32 28.6 +13 19 14   1.1524  1.6628   102.0    35.3    29.0
...
2022 01 13    01 45 02.2 +14 19 20   1.2651  1.6948    97.0    35.2    29.2
...
2022 01 28    02 10 00.7 +16 14 58   1.4788  1.7494    88.1    34.2    29.6

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-Y70




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