[Iaude] MPEC Y03: 2021 GB168 [a=1.28,e=0.49,i=8.9,H=22.9]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Thu Dec 16 06:57:27 EST 2021


M.P.E.C. 2021-Y03                             Issued 2021 December 16, 11:56 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 GB168                                   


Observations:
     K21GG8B* C2021 04 13.28096010 53 38.26 +39 32 35.1          22.64GVEY003V00
     K21GG8B  C2021 04 13.28571510 53 36.44 +39 32 40.0          22.47GVEY003V00
     K21GG8B  C2021 04 13.29046910 53 34.60 +39 32 45.8          22.49GVEY003V00
     K21GG8B  C2021 04 13.29522210 53 32.84 +39 32 50.9                VEY003V00
     K21GG8B  C2021 04 13.31081310 53 26.56 +39 33 04.7          22.1 GVEY003H01
     K21GG8B  C2021 04 13.31420410 53 25.25 +39 33 08.3          21.7 GVEY003H01
     K21GG8B  C2021 04 13.32523910 53 20.99 +39 33 19.6          21.6 GVEY003H01
     K21GG8B  C2021 04 13.33182010 53 18.45 +39 33 26.3          21.2 GVEY003H01
     K21GG8B  C2021 04 14.16333 10 48 05.84 +39 48 23.2          20.8 GVEY003V06
     K21GG8B  C2021 04 14.17987 10 47 59.27 +39 48 40.5          21.1 GVEY003V06
     K21GG8B  C2021 04 14.18788 10 47 56.06 +39 48 49.0          21.6 GVEY003V06
     K21GG8B  C2021 04 14.23216 10 47 38.37 +39 49 33.5          22.3 GVEY003V06
     K21GG8B  C2021 04 14.24017 10 47 35.20 +39 49 41.8          21.8 GVEY003V06

Observer details:
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.
V00 Kitt Peak-Bok.  Observer H. Groeller.  Measurers M. J. Brucker, E. J.
    Christensen, C. E. Woodward, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D.
    Grauer, H. Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, R. S.
    McMillan, T. A. Pruyne, D. Rankin, R. L. Seaman, F. C. Shelly, K. W.
    Wierzchos.  2.25-m reflector + CCD.
V06 Catalina Sky Survey-Kuiper.  Observer D. C. Fuls.  Measurers B. Gray, D.
    Rankin, F. C. Shelly.  1.55-m reflector + CCD.

Orbital elements:
2021 GB168                                               Earth MOID = 0.0660 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5                 Veres                   
M 140.88127              (2000.0)            P               Q                  
n   0.67694010     Peri.  242.37647     +0.51439276     +0.84717696             
a   1.2846039      Node    59.19575     -0.72207904     +0.51155699             
e   0.4861114      Incl.    8.90840     -0.46260345     +0.14352923             
P   1.46           H   22.96          G   0.15           U   9                  
Residuals in seconds of arc
210413 V00  0.2-  0.2-    210413 H01  0.1-  0.1+    210414 V06  0.1+  0.1+
210413 V00  0.1+  0.4-    210413 H01  0.0   0.1+    210414 V06  0.4-  0.2-
210413 V00  0.2+  0.4+    210413 H01  0.0   0.0     210414 V06  0.1-  0.2+
210413 V00 (1.2+  0.5+)   210414 V06  0.2+  0.1-
210413 H01  0.1-  0.0     210414 V06  0.3+  0.1-

Ephemeris:
2021 GB168               a,e,i = 1.28, 0.49, 9                   q = 0.6601
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 11 16    08 06 12.8 +27 06 11   0.9024  1.5993   115.4    34.0    25.2
...
2021 12 01    07 53 19.4 +30 09 07   0.8317  1.6710   133.4    25.4    24.8
...
2021 12 09    07 39 39.7 +31 58 08   0.8062  1.7053   144.2    19.8    24.6
...
2021 12 15    07 26 28.8 +33 16 47   0.7957  1.7292   152.4    15.3    24.5
2021 12 16    07 24 04.3 +33 29 10   0.7947  1.7330   153.8    14.5    24.5
2021 12 17    07 21 36.7 +33 41 15   0.7940  1.7368   155.1    13.8    24.4
...
2021 12 23    07 05 56.6 +34 46 29   0.7955  1.7586   162.5     9.7    24.3
...
2021 12 31    06 43 50.7 +35 48 23   0.8129  1.7853   167.3     7.0    24.3
...
2022 01 15    06 06 33.3 +36 19 41   0.8938  1.8282   153.7    13.8    24.8

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-Y03




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