[Iaude] MPEC K01: 2021 GP72 [a=2.22,e=0.48,i=33.9,H=19.6]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Sun May 16 04:43:49 EDT 2021


M.P.E.C. 2021-K01                                  Issued 2021 May 16, 08:42 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 GP72                                    


Observations:
     K21G72P* C2021 04 13.56139 15 44 41.022-11 39 37.41         21.7 wUEK001F51
     K21G72P  C2021 04 13.57250 15 44 40.326-11 39 48.70         21.7 wUEK001F51
     K21G72P  C2021 04 13.58356 15 44 39.594-11 39 59.68         21.6 wUEK001F51
     K21G72P  C2021 04 13.59462 15 44 38.901-11 40 10.85         21.4 wUEK001F51
     K21G72P  C2021 05 14.30542014 39 53.83 -23 43 05.1          20.17GVEK001G96
     K21G72P  C2021 05 14.31080914 39 52.72 -23 43 15.5          20.12GVEK001G96
     K21G72P  C2021 05 14.31746014 39 51.47 -23 43 25.6          20.37GVEK001G96
     K21G72P  C2021 05 14.32286914 39 50.43 -23 43 34.3          20.19GVEK001G96
     K21G72P mC2021 05 14.35643414 39 43.88 -23 44 31.4          20.50GVEK001I52
     K21G72P mC2021 05 14.35740414 39 43.70 -23 44 33.0          19.99GVEK001I52
     K21G72P mC2021 05 14.36297214 39 42.63 -23 44 41.6          20.47GVEK001I52
     K21G72P mC2021 05 14.36394314 39 42.42 -23 44 43.9          20.25GVEK001I52
     K21G72P |C2021 05 15.11693 14 37 19.89 -24 05 48.6          20.1 GVEK001807
     K21G72P |C2021 05 15.11970 14 37 19.35 -24 05 53.3          20.1 GVEK001807
     K21G72P |C2021 05 15.12248 14 37 18.80 -24 05 58.1          20.0 GVEK001807
     K21G72P |C2021 05 15.12524 14 37 18.26 -24 06 02.7          20.0 GVEK001807
     K21G72P 2C2021 05 15.98711214 34 32.378-24 30 35.84         20.3 GVEK001J04
     K21G72P 2C2021 05 15.98871414 34 32.039-24 30 38.38         20.0 GVEK001J04
     K21G72P 2C2021 05 15.99031414 34 31.733-24 30 41.02         19.8 GVEK001J04

Observer details:
807 Cerro Tololo Observatory, La Serena.  Observers T. Linder, R. Holmes, L.
    Horn.  1.00-m f/10.0 astrograph + CCD.
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, T. Lowe, A. Schultz, M.
    Willman.  Measurers K. Chambers, S. Chastel, T. de Boer, L. Denneau, J.
    Fairlamb, H. Flewelling, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo,
    R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
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.  1.5-m reflector + 10K CCD.
I52 Steward Observatory, Mt. Lemmon Station.  Observer T. A. Pruyne.
    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.  1.0-m
    reflector + CCD.
J04 ESA Optical Ground Station, Tenerife.  Observer D. Abreu.  Measurers M.
    Micheli, D. Fohring, R. Kresken, D. Koschny, L. Conversi, A. Knofel,
    M. Busch, E. Schwab.  1.0-m f/4.4 reflector + CCD.

Orbital elements:
2021 GP72                                                Earth MOID = 0.4933 AU
Epoch 2020 Dec. 17.0 TT = JDT 2459200.5                 Bell                    
M 280.11412              (2000.0)            P               Q                  
n   0.29896402     Peri.  272.40800     +0.62029769     +0.67588392             
a   2.2150835      Node    45.46467     -0.28396961     +0.66651737             
e   0.4756085      Incl.   33.94251     -0.73115801     +0.31454016             
P   3.30           H   19.67          G   0.15           U   8                  
Residuals in seconds of arc
210413 F51  0.1-  0.1+    210514 G96  0.2+  0.4+    210515 807  0.0   0.1-
210413 F51  0.2+  0.1-    210514 I52  0.3-  0.2-    210515 807  0.1+  0.0
210413 F51  0.2-  0.0     210514 I52  0.2-  0.1-    210515 J04  0.0   0.1-
210413 F51  0.1+  0.0     210514 I52  0.2-  0.6+    210515 J04  0.3-  0.0
210514 G96  0.4+  0.2+    210514 I52  0.5-  0.1-    210515 J04  0.1-  0.1+
210514 G96  0.4-  1.2-    210515 807  0.1+  0.0
210514 G96  0.1+  0.0     210515 807  0.2+  0.0

Ephemeris:
2021 GP72                a,e,i = 2.22, 0.48, 34                  q = 1.1616
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2021 04 16    15 42 01.6 -12 21 45   0.9126  1.8469   149.1    16.2    21.7
...
2021 05 01    15 16 23.5 -17 43 19   0.7539  1.7536   169.1     6.2    20.8
...
2021 05 09    14 55 51.2 -21 14 22   0.6953  1.7036   175.7     2.6    20.3
...
2021 05 15    14 37 42.2 -24 02 30   0.6650  1.6662   167.4     7.6    20.4
2021 05 16    14 34 29.9 -24 30 46   0.6611  1.6599   165.8     8.6    20.5
2021 05 17    14 31 15.3 -24 58 59   0.6575  1.6537   164.2     9.6    20.5
...
2021 05 23    14 11 12.0 -27 45 34   0.6428  1.6164   154.5    15.7    20.6
...
2021 05 31    13 44 16.0 -31 12 03   0.6397  1.5671   141.7    23.6    20.8
...
2021 06 15    13 00 44.2 -36 31 59   0.6722  1.4768   120.7    36.3    21.1

                      (Last issue was M.P.E.C. 2021-J242)                       

M. P. C. Staff               (C) Copyright 2021 MPC           M.P.E.C. 2021-K01




More information about the Iaude mailing list