[Iaude] MPEC X97: 2017 MB5 [a=1.64,e=0.42,i=1.8,H=22.7]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Dec 9 10:03:34 EST 2019


M.P.E.C. 2019-X97                              Issued 2019 December 9, 15:02 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

                                    2017 MB5                                    


                           Revision to MPEC 2017-M92                            

Additional Observations:
     K17M05B KC2019 11 27.23376400 08 34.130-04 34 05.76         23.58GVEX097T12
     K17M05B  C2019 11 28.30214500 12 36.852-04 01 36.29         23.41GVEX097T12
     K17M05B  C2019 11 28.30603300 12 37.696-04 01 29.32         23.66GVEX097T12

Observer details:
T12 Mauna Kea-UH/Tholen NEO Follow-Up (2.24-m).  Observer D. Hung.  Measurer D. 
   J. Tholen.  2.24-m f/10.1 reflector + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
191127 T12 52.0- 19.8-    191128 T12 50.8- 19.4-    MPO477897   -0.01 days

Orbital elements:
2017 MB5                                                 Earth MOID = 0.0064 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5                  Veres
M 122.15975              (2000.0)            P               Q
n   0.47060079     Peri.  205.87506     +0.85735642     +0.51404684
a   1.6369457      Node   123.16619     -0.46661042     +0.79782942
e   0.4173496      Incl.    1.80580     -0.21728938     +0.31499853
P   2.09           H   22.7           G   0.15           U   0
Residuals in seconds of arc
170626 703  0.4+  0.2+    170626 K88  0.1-  0.0     170701 I52  0.3-  0.1+
170626 703  0.1+  0.1-    170626 K88  0.2+  0.3+    170701 T08  0.3-  0.5-
170626 703  0.0   0.3+    170626 K88  0.3-  0.1+    170701 T08  0.0   0.1-
170626 703  0.1-  0.1+    170627 H21  0.1-  0.1+    170701 T08  0.1+  0.7-
170626 703  0.1+  0.2+    170627 H21  0.0   0.1+    170702 204  0.9+  0.4+
170626 703  0.1-  0.5+    170627 H21  0.1-  0.1-    170702 204  0.9+  0.2+
170626 703  0.2-  0.5+    170627 H21  0.4-  0.0     170702 204  1.0+  0.2+
170626 703  0.1-  0.2+    170627 H21  0.4-  0.0     170702 204  0.8+  0.3+
170626 I52  0.0   0.1-    170627 T08  0.2+  0.2-    170702 204  0.8+  0.2+
170626 I52  0.1+  0.1-    170627 T08  0.3-  0.1-    170702 W25  0.4-  0.1-
170626 I52  0.1-  0.0     170627 T08  0.3-  0.2+    170702 W25  0.2-  0.1-
170626 I52  0.0   0.1+    170627 104  0.2-  0.3-    170703 G96  0.4-  0.1-
170626 I52  0.3-  0.0     170627 104  0.0   0.1-    170703 G96  0.3-  0.1-
170626 I52  0.3-  0.1+    170628 104  0.1-  0.1-    170703 G96  0.4-  0.1-
170626 I52  0.2-  0.0     170628 W25  0.1+  0.3+    170703 G96  0.2-  0.0
170626 I52  0.1-  0.1+    170628 W25  0.2+  0.3+    170704 204  0.3-  0.1-
170626 I52  0.1+  0.1+    170628 718  0.5+  0.4+    170704 204  0.1-  0.0
170626 I52  0.0   0.1-    170628 I52  0.2-  0.0     170704 204  0.1-  0.1+
170626 246  0.3+  0.2-    170628 I52  0.2-  0.2-    170901 F51  0.2-  0.1-
170626 246  0.4+  0.3-    170628 I52  0.1-  0.3-    170901 F51  0.3-  0.0
170626 246  0.2-  0.3-    170628 718  0.2-  0.4+    170901 F51  0.3+  0.1-
170626 246  0.0   0.4-    170628 718  0.2-  0.8-    171210 F51  0.1-  0.2+
170626 246  0.1-  0.1+    170628 718  0.3-  0.4-    171210 F51  0.2+  0.2-
170626 246  0.2+  0.1-    170628 718  0.0   0.2-    191127 T12  0.1-  0.0
170626 246  0.1+  0.1-    170701 I52  0.2+  0.1+    191128 T12  0.0   0.1+
170626 246  0.8+  0.1+    170701 I52  0.1-  0.1-    191128 T12  0.0   0.0
170626 246  0.0   0.3+    170701 I52  0.2-  0.0

Ephemeris:
2017 MB5                 a,e,i = 1.64, 0.42, 2                   q = 0.9538
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2019 11 09    22 39 02.4 -15 39 19   0.3093  1.1311   109.3    55.8    22.4
...
2019 11 24    23 55 39.5 -06 16 45   0.4057  1.2172   115.3    47.2    22.9
...
2019 12 02    00 25 56.5 -02 14 26   0.4730  1.2654   115.8    44.6    23.3
...
2019 12 08    00 45 34.6 +00 22 56   0.5294  1.3021   115.2    43.2    23.6
2019 12 09    00 48 38.8 +00 47 22   0.5393  1.3083   115.1    43.0    23.6
2019 12 10    00 51 40.0 +01 11 20   0.5492  1.3144   114.9    42.8    23.7
...
2019 12 16    01 08 51.1 +03 25 51   0.6116  1.3514   113.7    41.8    23.9
...
2019 12 24    01 29 48.1 +06 04 00   0.7011  1.4008   111.4    40.8    24.3
...
2020 01 08    02 05 22.2 +10 11 36   0.8857  1.4922   105.8    39.3    24.9

A. U. Tomatic                (C) Copyright 2019 MPC           M.P.E.C. 2019-X97




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