MPEC 2018-O21 : 2018 OF
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M.P.E.C. 2018-O21 Issued 2018 July 18, 10:38 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@CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2018 OF
Observations:
K18O00F C2018 07 16.27828 16 55 53.061+04 12 48.23 UEO021F52
K18O00F C2018 07 16.28844 16 55 43.398+04 08 42.75 19.6 wUEO021F52
K18O00F* C2018 07 16.29863 16 55 33.676+04 04 36.41 19.6 wUEO021F52
K18O00F C2018 07 16.30879 16 55 23.945+04 00 29.57 19.5 wUEO021F52
K18O00F KC2018 07 16.92909016 45 38.44 -00 29 01.1 VEO021J95
K18O00F KC2018 07 16.93820116 45 28.92 -00 33 12.7 VEO021J95
K18O00F KC2018 07 16.93984516 45 27.18 -00 33 58.6 VEO021J95
K18O00F KC2018 07 16.94239016 45 24.52 -00 35 08.7 19.1 GVEO021J95
K18O00F C2018 07 17.30108516 39 17.347-03 25 07.14 19.19GVEO021F52
K18O00F C2018 07 17.31116416 39 05.772-03 30 05.24 VEO021F52
K18O00F C2018 07 17.32129316 38 54.030-03 35 07.43 19.17GVEO021F52
K18O00F C2018 07 17.33162716 38 42.090-03 40 14.51 19.16GVEO021F52
K18O00F KC2018 07 17.85361 16 28 50.68 -08 12 46.6 19.0 UEO021104
K18O00F KC2018 07 17.85972 16 28 42.99 -08 16 05.8 18.6 UEO021104
K18O00F KC2018 07 17.86813 16 28 32.31 -08 20 40.3 18.6 UEO021104
K18O00F KC2018 07 17.88314116 28 12.94 -08 28 51.8 19.5 GVEO021L01
K18O00F IC2018 07 17.88485816 28 10.76 -08 29 47.3 19.3 GVEO021L01
K18O00F KC2018 07 17.88656316 28 08.65 -08 30 42.5 19.5 GVEO021L01
K18O00F KC2018 07 17.89000 16 28 04.44 -08 32 37.1 18.8 GVEO021595
K18O00F KC2018 07 17.89513 16 27 57.92 -08 35 24.5 19.2 GVEO021595
K18O00F HC2018 07 17.93587 16 27 07.07 -08 57 41.1 VEO021204
K18O00F KC2018 07 17.94311 16 26 57.89 -09 01 39.2 19.5 GVEO021204
K18O00F HC2018 07 17.95326 16 26 45.01 -09 07 12.5 VEO021204
K18O00F ^C2018 07 18.31166116 19 16.718-12 28 35.79 VEO021568
K18O00F ^C2018 07 18.32546616 18 57.362-12 36 34.58 18.77GVEO021568
K18O00F ^C2018 07 18.32721916 18 54.904-12 37 35.39 18.79GVEO021568
K18O00F ^C2018 07 18.33001416 18 50.978-12 39 12.47 18.88GVEO021568
K18O00F ^C2018 07 18.33096016 18 49.653-12 39 45.25 18.83GVEO021568
K18O00F ^C2018 07 18.33323616 18 46.455-12 41 04.26 18.78GVEO021568
K18O00F KC2018 07 18.37459 16 17 56.29 -13 01 15.5 19.3 GUEO021474
K18O00F KC2018 07 18.37525 16 17 55.35 -13 01 38.5 19.1 GUEO021474
K18O00F KC2018 07 18.37590 16 17 54.45 -13 02 01.4 19.2 GUEO021474
K18O00F KC2018 07 18.37689 16 17 53.06 -13 02 35.8 19.1 GUEO021474
Observer details:
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
204 Schiaparelli Observatory. Observer L. Buzzi. 0.60-m f/4.64 reflector
+ CCD.
474 Mount John Observatory, Lake Tekapo. Observers A. C. Gilmore,
P. M. Kilmartin. Measurer P. M. Kilmartin. 1.0-m f/7.7 reflector + CCD.
568 Mauna Kea. Observers R. Wainscoat, L. Wells, T. Burdullis. Measurers
R. Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
595 Farra d'Isonzo. Observer E. Pettarin. 0.61-m f/4.0 reflector + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Dukes, T. Lowe,
A. Schultz, M. Willman. Measurers K. Chambers, S. Chastel, L. Denneau,
H. Flewelling, M. Huber, E. Magnier, Y. Ramanjooloo, R. Wainscoat,
C. Waters, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.40-m f/6.0 Schmidt-Cassegrain
+ CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2018 OF Earth MOID = 0.0207 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 246.83935 (2000.0) P Q
n 0.67618432 Peri. 235.67938 +0.91659857 +0.12414684
a 1.2855609 Node 114.47319 -0.04841035 +0.97803693
e 0.2657424 Incl. 24.68071 -0.39686710 +0.16742559
P 1.46 H 24.3 G 0.15 U 6
Residuals in seconds of arc
180716 F52 0.1- 0.1+ 180717 F52 0.2- 0.1+ 180717 204 0.2+ 0.6+
180716 F52 0.1- 0.1- 180717 104 0.4- 0.5- 180718 568 0.1- 0.4+
180716 F52 0.1- 0.1+ 180717 104 0.2- 0.8- 180718 568 0.1- 0.4+
180716 F52 0.3- 0.3- 180717 104 1.1- 1.3- 180718 568 0.1- 0.4+
180716 J95 0.0 0.3+ 180717 L01 0.5- 0.7- 180718 568 0.1- 0.3+
180716 J95 0.2+ 0.4+ 180717 L01 0.7- 0.1- 180718 568 0.1- 0.4+
180716 J95 0.1- 0.0 180717 L01 0.1- 0.4+ 180718 568 0.1- 0.4+
180716 J95 0.1- 0.3+ 180717 595 0.7+ 0.5- 180718 474 0.0 0.2+
180717 F52 0.3- 0.2- 180717 595 0.1+ 0.2- 180718 474 0.3- 0.3+
180717 F52 0.3+ 0.7+ 180717 204 0.2+ 0.2- 180718 474 0.1- 0.1+
180717 F52 0.4- 0.4- 180717 204 0.3+ 0.2- 180718 474 0.2- 0.3+
Ephemeris:
2018 OF a,e,i = 1.29, 0.27, 25 q = 0.9439
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 06 18 18 42 07.7 +37 29 16 0.2610 1.1604 117.6 50.9 23.6
...
2018 07 03 18 19 46.0 +34 26 15 0.1426 1.0993 122.2 51.5 22.2
...
2018 07 11 17 47 01.1 +25 09 33 0.08168 1.0684 127.6 48.9 20.8
...
2018 07 17 16 44 30.5 -00 58 54 0.04450 1.0466 131.8 46.4 19.4
2018 07 18 16 25 55.4 -09 29 45 0.04075 1.0430 130.1 48.2 19.3
2018 07 19 16 03 11.4 -19 18 26 0.03838 1.0396 126.5 51.8 19.2
...
2018 07 25 12 02 29.4 -60 42 15 0.05556 1.0196 92.4 84.5 21.0
...
2018 08 02 08 54 19.9 -59 03 06 0.1111 0.9957 77.0 96.8 23.0
...
2018 08 17 07 51 08.1 -52 38 15 0.2219 0.9618 70.6 96.9 24.4
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-O21
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