[Iaude] MPEC K218: 2018 GZ3 [a=1.53,e=0.38,i=21.0,H=21.3]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Fri May 29 17:45:58 EDT 2020


M.P.E.C. 2020-K218                                 Issued 2020 May 29, 21:44 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

                                    2018 GZ3                                    


                           Revision to MPEC 2018-G103                           

Additional Observations:
     K18G03Z  C2020 05 02.57674818 02 48.123+01 35 17.83         22.0 GVEK218F51
     K18G03Z  C2020 05 16.40413717 44 12.880+08 12 44.80         21.7 GVEK218F51
     K18G03Z  C2020 05 16.41586517 44 11.675+08 13 02.42         22.1 GVEK218F51
     K18G03Z  C2020 05 16.43963817 44 09.244+08 13 37.76         21.8 GVEK218F51
     K18G03Z  C2020 05 19.43376317 39 08.802+09 24 26.63         22.3 GVEK218F51
     K18G03Z  C2020 05 19.44724017 39 07.367+09 24 45.01         22.7 GVEK218F51
     K18G03Z  C2020 05 23.56889617 31 52.853+10 50 59.66         22.3 GVEK218F51
     K18G03Z  C2020 05 23.58868417 31 50.632+10 51 23.17         22.2 GVEK218F51
     K18G03Z  C2020 05 26.43166617 26 44.031+11 42 45.87         23.4 GVEK218F52
     K18G03Z  C2020 05 26.43428417 26 43.699+11 42 48.78         23.0 GVEK218F52
     K18G03Z  C2020 05 26.44352817 26 42.630+11 42 58.69         23.6 GVEK218F52
     K18G03Z  C2020 05 26.44615117 26 42.333+11 43 01.34         23.1 GVEK218F52
     K18G03Z  C2020 05 29.52273717 21 07.105+12 30 53.63         22.19wUEK218F51
     K18G03Z  C2020 05 29.53426217 21 05.800+12 31 03.33         22.76wUEK218F51
     K18G03Z  C2020 05 29.55734517 21 03.167+12 31 22.93         22.61wUEK218F51

Observer details:
F51 Pan-STARRS 1, Haleakala.  Observers J. Bulger, K. Chambers, T. Lowe, A.
    Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
    Wainscoat, R. Weryk, K. Chambers, T. de Boer, L. Denneau, J. Fairlamb, H.
    Flewelling, C.-C. Lin, E. Magnier.  1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, A. Schultz, M. Willman.  Measurers S. Chastel, M. Huber, Y.
    Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
200502 F51 0.04+ 0.00+    200529 F51 0.05+ 0.00+    MPO450737   +0.05 days

Orbital elements:
2018 GZ3                                                 Earth MOID = 0.1447 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M  76.06219              (2000.0)            P               Q
n   0.52112888     Peri.  284.38408     -0.68066681     -0.70878770
a   1.5293467      Node   211.16721     +0.73001721     -0.67741833
e   0.3763832      Incl.   20.97249     -0.06138051     -0.19678517
P   1.89           H   21.3           G   0.15           U   3
Residuals in seconds of arc
180413 T05  0.0   0.4-    180417 246  0.2+  0.5-    180423 I52  0.0   0.1-
180413 T05  0.3+  0.5-    180418 I52  0.3-  0.0     180423 I52  0.1+  0.1+
180413 T05  0.1+  0.0     180418 I52  0.4-  0.0     180423 I52  0.6-  0.2-
180413 T05  0.3-  0.5+    180418 I52  0.1+  0.1-    180425 807  0.1-  0.1-
180413 595  1.0+  1.3+    180418 703 (0.4+  1.5+)   180425 807  0.2-  0.1-
180413 595  0.1+  0.6-    180418 703  0.0   0.1-    180425 807  0.2-  0.0
180413 595  1.5+  1.1-    180418 703  0.2+  0.6+    180425 I52  0.4+  0.2+
180414 807  0.1-  0.2-    180418 I52  0.5-  0.2+    180425 I52  0.2+  0.2-
180414 807  0.5-  0.5-    180418 I52  0.3-  0.5-    180425 I52  0.1+  0.2+
180414 807  0.1-  0.1+    180418 I52  0.1-  0.7-    180504 691  0.3+  0.1+
180414 691  0.6+  1.0+    180418 I52  0.4-  0.1-    180504 691  0.2+  0.2+
180414 691  0.4+  0.5+    180418 246  0.8-  0.9+    180504 691  0.3+  0.3+
180414 691  0.6+  0.3+    180418 246  0.2-  0.4+    180508 I52  0.1+  0.1-
180414 E08  0.3-  0.1-    180418 246  0.8+  0.6+    180508 I52  0.2+  0.1-
180414 E08  0.1-  0.0     180418 246  0.2-  0.6-    180508 I52  0.0   0.2-
180414 E08  0.3-  0.7+    180418 204  0.1+  0.2+    180508 I52  0.3-  0.1+
180414 474  0.2-  0.0     180418 204  0.0   0.0     180510 691  0.3+  0.3+
180414 474  0.3-  0.1-    180419 G96  0.2-  0.0     180510 691  0.2-  0.5+
180414 474  0.2-  0.1-    180419 G96  0.0   0.1-    180510 691  0.1+  0.1+
180414 474  0.2-  0.3-    180419 G96  0.0   0.2-    180521 I52  0.0   0.0
180415 807  0.1-  0.0     180419 G96  0.1-  0.1-    180521 I52  0.0   0.2-
180415 807  0.2+  0.2-    180420 I52  0.4+  0.3+    180521 I52  0.9-  0.1+
180415 807  0.1+  0.2-    180420 I52  0.3+  0.3-    200502 F51  0.1-  0.1-
180415 I52  0.5-  0.6-    180420 I52  0.4+  0.1+    200516 F51  0.1+  0.1-
180415 I52  0.3-  0.3-    180420 I52  0.2-  0.2-    200516 F51  0.1-  0.1+
180415 I52  0.6-  0.2-    180421 I52  0.2-  0.3-    200516 F51  0.0   0.0
180415 I52  0.5-  0.8-    180421 I52  0.2-  0.0     200519 F51  0.2-  0.0
180415 E08  0.8+  1.5+    180421 I52  0.0   0.0     200519 F51  0.0   0.0
180415 E08 (1.6-  0.2-)   180421 I52  0.1-  0.2-    200523 F51  0.3+  0.4-
180415 E08  1.3-  0.6-    180421 703  0.2+  0.3-    200523 F51  0.2+  0.4+
180417 246  0.0   0.1-    180421 703  0.5-  0.9-    200526 F52  0.4+  0.5-
180417 246  0.4-  0.5+    180421 703  1.1-  0.2-    200526 F52  0.1-  0.3-
180417 246  1.0+  0.4+    180421 703  0.2-  0.3+    200526 F52  0.3-  0.2+
180417 246  0.2+  0.0     180421 246 (0.5-  1.6+)   200526 F52  0.3-  0.2+
180417 246  0.2-  0.7+    180421 246  0.2+  0.2+    200529 F51  0.0   0.1+
180417 246  0.4+  0.2-    180421 246  0.2-  0.1-    200529 F51  0.1+  0.0
180417 246  0.1+  0.7-    180421 246  0.5+  0.8+    200529 F51  0.2-  0.1+
180417 246  0.9+  0.2+    180421 246  0.5+  1.4+
180417 246  0.6+  0.3-    180421 246  0.2+  1.0-

Ephemeris:
2018 GZ3                 a,e,i = 1.53, 0.38, 21                  q = 0.9537
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2020 04 29    18 06 03.9 -00 20 42   0.6065  1.4360   123.8    35.6    22.5
...
2020 05 14    17 48 01.3 +07 11 20   0.6170  1.5169   136.1    27.5    22.4
...
2020 05 22    17 34 40.6 +10 19 47   0.6364  1.5585   140.8    24.2    22.4
...
2020 05 28    17 23 53.1 +12 08 14   0.6582  1.5890   142.9    22.6    22.5
2020 05 29    17 22 04.3 +12 23 21   0.6624  1.5940   143.2    22.4    22.5
2020 05 30    17 20 15.6 +12 37 37   0.6668  1.5990   143.3    22.3    22.5
...
2020 06 05    17 09 36.6 +13 45 26   0.6970  1.6284   143.5    21.8    22.6
...
2020 06 13    16 56 36.7 +14 30 47   0.7465  1.6664   141.6    22.2    22.8
...
2020 06 28    16 38 34.9 +14 01 40   0.8655  1.7338   134.0    24.9    23.3

A. U. Tomatic                (C) Copyright 2020 MPC           M.P.E.C. 2020-K218




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