[Iaude] MPEC M87: 2017 MM8 [a=0.89,e=0.67,i=23.3,H=22.56]

mpec at marsden.cfa.harvard.edu mpec at marsden.cfa.harvard.edu
Mon Jun 27 20:36:27 EDT 2022


M.P.E.C. 2022-M87                                 Issued 2022 June 28, 00:33 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 MM8                                    


                           Revision to MPEC 2017-N34                            

Additional Observations:
     K17M08M  C2022 06 11.53431020 19 15.742-11 35 29.12         22.42GVEM087F52
     K17M08M  C2022 06 11.54588120 19 14.819-11 35 43.90         22.11GVEM087F52
     K17M08M  C2022 06 11.55747320 19 13.949-11 35 59.39         22.34GVEM087F52
     K17M08M  C2022 06 11.56909420 19 13.034-11 36 13.49         22.86GVEM087F52
     K17M08M  C2022 06 21.45786619 59 58.723-16 41 04.01         21.67GVEM087F52
     K17M08M  C2022 06 21.46996419 59 56.405-16 41 35.35         21.12GVEM087F52
     K17M08M  C2022 06 21.48221719 59 54.063-16 42 07.35         21.41GVEM087F52
     K17M08M 2C2022 06 27.00310 19 38 09.59 -21 29 51.8          19.8 GVEM087Z84
     K17M08M 2C2022 06 27.00931 19 38 07.64 -21 30 15.1          21.0 GVEM087Z84
     K17M08M 2C2022 06 27.01513 19 38 05.82 -21 30 36.9          20.1 GVEM087Z84
     K17M08M 2C2022 06 27.02057 19 38 04.08 -21 30 57.1          20.3 GVEM087Z84
     K17M08M 2C2022 06 27.02794 19 38 01.77 -21 31 25.2          20.9 GVEM087Z84
     K17M08M 2C2022 06 27.04658 19 37 55.90 -21 32 35.2          20.5 GVEM087Z84
     K17M08M KC2022 06 27.54948 19 35 20.26 -22 03 56.4          20.5 GVEM087Q64
     K17M08M KC2022 06 27.55080 19 35 19.82 -22 04 01.5          20.2 GVEM087Q64
     K17M08M KC2022 06 27.55211 19 35 19.37 -22 04 06.6          20.5 GVEM087Q64
     K17M08M  C2022 06 27.70100 19 34 29.66 -22 13 46.8          20.5 GVEM087Q64
     K17M08M  C2022 06 27.70166 19 34 29.39 -22 13 49.3          20.5 GVEM087Q64
     K17M08M  C2022 06 27.70527 19 34 28.21 -22 14 03.0          20.7 GVEM087Q64
     K17M08M KC2022 06 27.88387 19 33 32.12 -22 25 44.0          21.0 VtEM087K93
     K17M08M KC2022 06 27.88486 19 33 31.80 -22 25 47.8          20.8 VtEM087K93
     K17M08M KC2022 06 27.88686 19 33 31.12 -22 25 55.4          20.9 VtEM087K93

Observer details:
F52 Pan-STARRS 2, Haleakala.  Observers J. Bulger, K. Chambers, T. Dukes, T.
    Lowe, A. Schultz, I. Smith.  Measurers S. Chastel, J. Fairlamb, M. Huber,
    Y. Ramanjooloo, R. Wainscoat, R. Weryk.  1.8-m Ritchey-Chretien + CCD.
K93 Sutherland-LCO C.  Observer P. Breitenstein.  1.0-m Ritchey-Chretien + CCD
    (1m0a).
Q64 Siding Spring-LCO B.  Observer P. Breitenstein.  1.0-m Ritchey-Chretien +
    CCD.
Z84 Calar Alto-Schmidt.  Observer E. Schwab.  0.8-m f/3 Schmidt + CCD.

First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
220611 F52 3.91+ 0.63+    220627 K93 6.58+ 1.60+    MPO412152   +2.90 days

Orbital elements:
2017 MM8                                                 Earth MOID = 0.1020 AU
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5                  Bell                    
M 310.21456              (2000.0)            P               Q                  
n   1.17890151     Peri.  336.36130     +0.22617283     -0.89182172             
a   0.8874646      Node    98.64992     +0.94494386     +0.10322710             
e   0.6673495      Incl.   23.34696     +0.23648882     +0.44045224             
P   0.84           H   22.56          G   0.15           U   2                  
Residuals in seconds of arc
170624 F51  0.0   0.0     170702 807  0.1+  0.0     220627 Z84  0.1-  0.0
170624 F51  0.1+  0.1+    170702 807  0.4-  0.0     220627 Z84  0.2+  0.1+
170624 F51  0.4+  0.0     220611 F52  0.3+  0.2+    220627 Q64  0.2+  0.2-
170625 T14  0.1+  0.0     220611 F52  0.3-  0.2+    220627 Q64  0.1+  0.1-
170625 T14  0.1+  0.0     220611 F52  0.1-  0.5-    220627 Q64  0.1-  0.1-
170625 T14  0.2+  0.1+    220611 F52  0.5-  0.3+    220627 Q64  0.4+  0.2-
170628 T14  0.2+  0.1+    220621 F52  0.1+  0.0     220627 Q64  0.2-  0.1-
170628 T14  0.2+  0.1+    220621 F52  0.0   0.1-    220627 Q64  0.2+  0.2+
170628 T14  0.2+  0.1+    220621 F52  0.1+  0.4-    220627 K93  0.3-  0.2-
170629 291  0.6-  0.1-    220627 Z84  0.0   0.0     220627 K93  0.0   0.0
170629 291  0.6-  0.0     220627 Z84  0.0   0.1+    220627 K93  0.0   0.4+
170629 291  0.5-  0.1-    220627 Z84  0.1+  0.2+
170702 807  0.0   0.1-    220627 Z84  0.2-  0.4+

Ephemeris:
2017 MM8                 a,e,i = 0.89, 0.67, 23                  q = 0.2952
Date    TT    R. A. (2000) Decl.     Delta      r    Elong.  Phase     V
2022 05 29    20 25 51.6 -08 32 36   0.5989  1.4122   120.1    38.4    23.7
...
2022 06 13    20 17 27.5 -12 08 07   0.4122  1.3479   137.4    30.7    22.6
...
2022 06 21    20 01 19.0 -16 21 30   0.3211  1.3042   150.0    22.9    21.8
...
2022 06 27    19 38 10.1 -21 29 09   0.2601  1.2669   162.3    14.1    21.0
2022 06 28    19 32 52.6 -22 33 30   0.2509  1.2603   164.6    12.3    20.8
2022 06 29    19 27 03.5 -23 42 01   0.2419  1.2535   167.0    10.5    20.6
...
2022 07 05    18 37 28.1 -31 57 29   0.1965  1.2108   170.1     8.3    20.0
...
2022 07 13    16 33 52.2 -43 07 42   0.1675  1.1470   138.3    36.2    20.5
...
2022 07 28    12 33 52.5 -37 35 13   0.2206  1.0047    80.9    86.5    22.3

M. P. C. Staff               (C) Copyright 2022 MPC           M.P.E.C. 2022-M87




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