M.P.E.C. 2011-W80 Issued 2011 Nov. 29, 18:24 UT

The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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 http://www.minorplanetcenter.net/ ISSN 1523-6714

COMET P/2011 W2 (RINNER)

Observations:
PK11W020 C2011 11 28.12723 07 57 45.14 +05 36 54.5 17.9 TcEW080J43
PK11W020 C2011 11 28.14138 07 57 45.27 +05 36 45.8 18.0 TcEW080J43
PK11W020 C2011 11 28.15552 07 57 45.36 +05 36 37.2 17.9 TcEW080J43
PK11W020 C2011 11 28.16967 07 57 45.50 +05 36 28.3 17.9 TcEW080J43
PK11W020 KC2011 11 28.96772 07 57 53.28 +05 28 11.7 17.5 TuEW080958
PK11W020 KC2011 11 28.97981 07 57 53.37 +05 28 04.3 17.6 TuEW080958
PK11W020 KC2011 11 28.98475 07 57 53.11 +05 28 01.7 17.1 ToEW080C10
PK11W020 KC2011 11 28.99386 07 57 53.45 +05 27 55.2 17.3 ToEW080C10
PK11W020 KC2011 11 29.00295 07 57 53.49 +05 27 50.1 17.5 TuEW080958
PK11W020 C2011 11 29.00628 07 57 53.47 +05 27 49.0 18.3 TcEW080J43
PK11W020 C2011 11 29.01050 07 57 53.55 +05 27 46.9 18.3 TcEW080J43
PK11W020 C2011 11 29.01473 07 57 53.60 +05 27 43.2 18.4 TcEW080J43
PK11W020 KC2011 11 29.01560 07 57 53.53 +05 27 41.9 17.8 TuEW080958
PK11W020 C2011 11 29.01895 07 57 53.62 +05 27 41.4 18.2 TcEW080J43
PK11W020 KC2011 11 29.02724 07 57 53.61 +05 27 34.7 17.6 TuEW080958
PK11W020 KC2011 11 29.03929 07 57 53.71 +05 27 26.4 17.7 TuEW080958
PK11W020 C2011 11 29.04659 07 57 53.71 +05 27 22.5 oEW080246
PK11W020 C2011 11 29.04793 07 57 53.72 +05 27 21.7 oEW080246
PK11W020 C2011 11 29.04858 07 57 53.71 +05 27 21.4 oEW080246
PK11W020 C2011 11 29.04909 07 57 53.73 +05 27 21.0 oEW080246
PK11W020 C2011 11 29.05093 07 57 53.74 +05 27 19.9 oEW080246
PK11W020 C2011 11 29.05248 07 57 53.77 +05 27 19.0 oEW080246
PK11W020 C2011 11 29.05321 07 57 53.79 +05 27 18.8 oEW080246
PK11W020 KC2011 11 29.05757 07 57 53.81 +05 27 15.9 17.1 ToEW080C10
PK11W020 KC2011 11 29.07227 07 57 53.93 +05 27 06.7 17.2 ToEW080C10
PK11W020 KC2011 11 29.08346 07 57 54.01 +05 26 59.9 17.4 ToEW080C10
PK11W020 KC2011 11 29.09551 07 57 54.10 +05 26 52.3 17.5 ToEW080C10
PK11W020 KC2011 11 29.12147 07 57 54.30 +05 26 36.3 17.4 TuEW080I93
PK11W020 KC2011 11 29.14064 07 57 54.47 +05 26 24.5 17.7 TuEW080I93
PK11W020 KC2011 11 29.15966 07 57 54.81 +05 26 20.3 18.1 TuEW080I39
PK11W020 KC2011 11 29.17079 07 57 54.86 +05 26 13.1 18.3 TuEW080I39
PK11W020 KC2011 11 29.19023 07 57 54.78 +05 25 54.3 17.9 TuEW080I93
PK11W020 KC2011 11 29.25124 07 57 55.44 +05 25 23.2 17.8 TuEW080I20
PK11W020 KC2011 11 29.25876 07 57 55.51 +05 25 19.1 17.8 TuEW080I20
PK11W020 KC2011 11 29.27173 07 57 55.60 +05 25 10.8 18.3 TuEW080I20
PK11W020 |C2011 11 29.30827 07 57 56.00 +05 24 41.7 cEW080H06
PK11W020 |C2011 11 29.31210 07 57 56.03 +05 24 39.4 cEW080H06
PK11W020 |C2011 11 29.31593 07 57 56.04 +05 24 37.3 17.6 TcEW080H06
PK11W020 HC2011 11 29.36776 07 57 56.50 +05 24 05.4 oEW080291
PK11W020 HC2011 11 29.37284 07 57 56.55 +05 24 02.4 oEW080291
PK11W020 HC2011 11 29.37599 07 57 56.55 +05 24 00.5 oEW080291
PK11W020 |C2011 11 29.40222 07 57 56.68 +05 23 44.1 cEW080H06
PK11W020 |C2011 11 29.40412 07 57 56.69 +05 23 43.0 17.7 TcEW080H06
PK11W020 KC2011 11 29.46119107 57 56.94 +05 23 07.1 18.0 TuEW080H36
PK11W020 KC2011 11 29.48433507 57 57.06 +05 22 52.9 18.0 TuEW080H36
PK11W020 KC2011 11 29.49253807 57 57.13 +05 22 47.6 18.0 TuEW080H36
PK11W020 C2011 11 29.63436 07 57 58.53 +05 21 29.8 18.0 ToEW080474
PK11W020 C2011 11 29.63622 07 57 58.38 +05 21 26.7 18.0 ToEW080474
PK11W020 C2011 11 29.63818 07 57 58.43 +05 21 25.7 18.4 ToEW080474

Observer details:
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha, M. Kocer,
M. Honkova. Measurer M. Tichy. 1.06-m KLENOT Telescope + CCD.
291 LPL/Spacewatch II. Observer J. V. Scotti. 1.8-m f/2.7 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.
958 Observatoire de Dax. Observer P. Dupouy. 0.30-m f/5.8 reflector + CCD.
C10 Maisoncelles. Observer J. F. Soulier. 0.26-m f/3.6 Newtonian reflector
+ CCD.
H06 RAS Observatory, Mayhill. Observer H. Sato. 0.25-m f/3.4 reflector + CCD,
0.51-m f/4.5 reflector + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m reflector + CCD.
I20 Rio Cuarto. Observer F. D. Mazzone. 0.20-m f/4 Schmidt-Newtonian + CCD.
I39 Observatorio Cruz del Sur, San Justo. Observer A. Chapman. 0.20-m f/4
reflector + CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/5.0 reflector + CCD.
J43 Oukaimeden Observatory. Observers C. Rinner, M. Ory. Measurer C. Rinner.
0.5-m f/3 reflector + CCD.

Orbital elements:
P/2011 W2 (Rinner)
T 2011 Oct. 10.61611 TT MPC
q 2.3155627 (2000.0) P Q
n 0.09534921 Peri. 210.50411 +0.11249438 -0.97375139
a 4.7452378 Node 233.75774 +0.95400674 +0.16153178
e 0.5120239 Incl. 14.20186 +0.27787796 -0.16036122
P 10.3
From 48 observations 2011 Nov. 28-29.

Ephemeris:
P/2011 W2 (Rinner)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2011 10 30 07 41 05.2 +10 56 48 1.9219 2.3209 100.7 24.9 18.1
...
2011 11 14 07 52 30.4 +08 09 53 1.7739 2.3322 112.0 23.2 17.9
...
2011 11 22 07 56 10.4 +06 41 59 1.7028 2.3407 118.5 21.8 17.8
...
2011 11 28 07 57 43.7 +05 38 17 1.6543 2.3482 123.5 20.5 17.8
2011 11 29 07 57 53.2 +05 27 56 1.6467 2.3496 124.4 20.3 17.8
2011 11 30 07 58 01.0 +05 17 40 1.6392 2.3510 125.3 20.0 17.8
...
2011 12 06 07 58 11.5 +04 18 14 1.5973 2.3598 130.5 18.5 17.7
...
2011 12 14 07 56 52.2 +03 06 07 1.5505 2.3729 137.7 16.2 17.7
...
2011 12 29 07 50 11.7 +01 21 29 1.4961 2.4019 150.6 11.6 17.7

Gareth V. Williams (C) Copyright 2011 MPC M.P.E.C. 2011-W80