[Iaude] MPEC P107: 2018 PN21 [a=1.77,e=0.42,i=11.4,H=23.7]
mpec at mpcdb1.cfa.harvard.edu
mpec at mpcdb1.cfa.harvard.edu
Tue Aug 14 14:23:17 EDT 2018
M.P.E.C. 2018-P107 Issued 2018 Aug. 14, 18:20 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 PN21
Observations:
K18P21N* C2018 08 12.45405 00 04 24.850+29 42 06.09 20.3 wUEP107F51
K18P21N C2018 08 12.46622 00 04 28.860+29 44 27.15 20.6 wUEP107F51
K18P21N C2018 08 12.47836 00 04 32.850+29 46 47.64 20.5 wUEP107F51
K18P21N C2018 08 12.49051 00 04 36.818+29 49 07.59 20.4 wUEP107F51
K18P21N KC2018 08 12.99815500 07 44.71 +31 23 53.2 20.3 GVEP107L01
K18P21N KC2018 08 13.00098400 07 45.68 +31 24 25.0 20.2 GVEP107L01
K18P21N KC2018 08 13.00410300 07 46.76 +31 25 00.0 20.4 GVEP107L01
K18P21N KC2018 08 13.00722800 07 47.78 +31 25 35.2 20.3 GVEP107L01
K18P21N KC2018 08 13.26834 00 09 26.83 +32 13 53.8 20.8 GUEP107734
K18P21N KC2018 08 13.27432 00 09 28.88 +32 15 00.3 20.8 GUEP107734
K18P21N KC2018 08 13.28555 00 09 32.80 +32 17 07.1 20.6 GUEP107734
K18P21N KC2018 08 13.32424700 09 45.06 +32 24 16.9 20.4 VuEP107H21
K18P21N KC2018 08 13.32919800 09 46.75 +32 25 11.6 20.1 VuEP107H21
K18P21N KC2018 08 13.33762600 09 49.57 +32 26 44.4 20.1 VuEP107H21
K18P21N _C2018 08 13.53361100 11 02.862+33 02 58.86 20.6 GUEP107568
K18P21N _C2018 08 13.53455900 11 03.177+33 03 09.25 20.5 GUEP107568
K18P21N _C2018 08 13.53550500 11 03.488+33 03 19.52 20.5 GUEP107568
K18P21N KC2018 08 14.08279 00 14 30.70 +34 40 12.0 20.3 RqEP107J95
K18P21N KC2018 08 14.09242 00 14 34.12 +34 41 54.0 20.2 RqEP107J95
K18P21N KC2018 08 14.10211 00 14 37.49 +34 43 37.2 19.9 RqEP107J95
K18P21N KC2018 08 14.36178100 16 15.72 +35 29 18.5 20.7 VuEP107H21
K18P21N KC2018 08 14.36672200 16 17.41 +35 30 09.8 20.7 VuEP107H21
Observer details:
568 Mauna Kea. Observers R. J. Wainscoat, L. Wells. Measurers M. Micheli,
R. J. Wainscoat. 3.6-m Canada-France-Hawaii Telescope + CCD.
734 Farpoint Observatory. Observer G. Hug. 0.69-m reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers S. Foglia, L. Buzzi, T. Linder, R. Holmes. 0.76-m f/3.0
astrograph + CCD.
J95 Great Shefford. Observer P. Birtwhistle. 0.41-m f/6.3 Schmidt-Cassegrain
+ CCD.
L01 Visnjan Observatory, Tican. Observers K. Korlevic, F. Hrzenjak,
E. Pettarin, A. Dragovic. Measurer E. Pettarin. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2018 PN21 Earth MOID = 0.0616 AU
Epoch 2018 Mar. 23.0 TT = JDT 2458200.5 MPC
M 291.85951 (2000.0) P Q
n 0.41715849 Peri. 33.66357 +0.96190499 +0.23131625
a 1.7739253 Node 312.25086 -0.27338368 +0.81467811
e 0.4151465 Incl. 11.35287 +0.00040513 +0.53178226
P 2.36 H 23.7 G 0.15 U 6
Residuals in seconds of arc
180812 F51 0.1- 0.2- 180813 734 0.1+ 0.1- 180813 568 0.0 0.1-
180812 F51 0.0 0.0 180813 734 0.0 0.4- 180814 J95 0.5- 0.1-
180812 F51 0.1+ 0.2+ 180813 734 0.8+ 1.0+ 180814 J95 0.2+ 0.3-
180812 F51 0.1+ 0.1+ 180813 H21 0.2- 0.2+ 180814 J95 0.1+ 0.4+
180812 L01 0.0 0.0 180813 H21 0.1+ 0.2+ 180814 H21 0.4+ 0.0
180813 L01 0.1+ 0.1- 180813 H21 0.2- 0.1+ 180814 H21 0.4+ 0.0
180813 L01 0.3+ 0.2- 180813 568 0.0 0.1-
180813 L01 0.3- 0.1- 180813 568 0.0 0.1-
Ephemeris:
2018 PN21 a,e,i = 1.77, 0.42, 11 q = 1.0375
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2018 07 15 21 55 53.6 -37 09 48 0.1708 1.1622 146.1 29.2 21.5
...
2018 07 30 22 52 52.3 -13 57 42 0.1010 1.1012 146.8 30.3 20.2
...
2018 08 07 23 32 42.6 +11 03 33 0.08529 1.0758 134.5 42.2 20.2
...
2018 08 13 00 07 42.6 +31 24 32 0.08860 1.0606 120.2 55.7 20.6
2018 08 14 00 13 57.9 +34 25 56 0.09033 1.0584 117.9 57.8 20.7
2018 08 15 00 20 20.2 +37 17 56 0.09233 1.0563 115.8 59.7 20.8
...
2018 08 21 01 00 42.7 +51 02 06 0.1089 1.0460 105.5 68.8 21.4
...
2018 08 29 01 57 46.9 +61 39 05 0.1380 1.0384 98.1 74.3 22.1
...
2018 09 13 03 33 58.6 +69 17 36 0.1965 1.0437 95.5 73.7 22.8
A. U. Tomatic (C) Copyright 2018 MPC M.P.E.C. 2018-P107
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