MPEC 1998-E05: 1997 RL13
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M.P.E.C. 1998-E05 Issued 1998 Mar. 2, 21:59 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html
1997 RL13
Observations:
J97R13L* C1997 09 05.25799 00 09 37.34 +06 03 40.0 675
J97R13L C1997 09 05.40772 00 09 36.73 +06 03 36.3 675
J97R13L C1997 09 06.30822 00 09 33.14 +06 03 16.1 25.8 R 675
J97R13L C1997 09 06.39352 00 09 32.81 +06 03 14.3 675
Observer details:
675 Palomar Mountain. Observers B. Gladman, P. Nicholson, J. A. Burns.
Measurers B. Gladman, J. J. Kavelaars. 5-m Hale reflector + CCD.
Orbital elements:
1997 RL13
Assumed circular orbit
Epoch 1997 Aug. 20.0 TT = JDT 2450680.5 Marsden
(2000.0) P Q
n 0.00331845 Arg.lat. 51.69205 +0.99438191 -0.07593162
a 44.5156285 Node 312.53093 +0.03388052 +0.88838370
e 0.0000000 Incl. 5.74373 +0.10028321 +0.45277897
P 297 H 9.5 G 0.15
From 4 observations 1997 Sept. 5-6.
This very faint object (R = 25.8 +/- 0.3) was found as the only
transneptunian candidate in the Hale Sept. 6 data when they were searched
for orbital inclinations up to 30 deg (i.e., for objects near opposition,
on the ecliptic and at either node) and for angular rates spanning 2.3-4.3
arcsec/hr (which spans all low-e orbits having 50 > a > 30 AU). A check
of the Sept. 5 data showed the object to be there, and it moves along in
recombinations of subsets of the data as expected.
Brian G. Marsden (C) Copyright 1998 MPC M.P.E.C. 1998-E05
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