MPEC 1999-G28 : 1999 GL4
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M.P.E.C. 1999-G28 Issued 1999 Apr. 14, 23:35 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 ISSN 1523-6714
1999 GL4
Observations:
J99G04L* C1999 04 12.30375 13 45 29.33 +01 06 17.0 18.7 704
J99G04L C1999 04 12.32097 13 45 27.72 +01 06 30.8 19.4 704
J99G04L C1999 04 12.33810 13 45 25.93 +01 06 47.0 19.0 704
J99G04L C1999 04 12.35524 13 45 24.24 +01 07 01.3 19.6 704
J99G04L C1999 04 13.01801 13 44 24.88 +01 16 01.7 557
J99G04L C1999 04 13.02034 13 44 24.67 +01 16 03.1 557
J99G04L C1999 04 13.02266 13 44 24.42 +01 16 05.6 557
J99G04L C1999 04 13.50995 13 43 43.08 +01 23 01.5 18.0 R 426
J99G04L C1999 04 13.51712 13 43 42.41 +01 23 08.0 18.1 R 426
J99G04L C1999 04 13.52424 13 43 41.75 +01 23 12.1 18.1 R 426
J99G04L C1999 04 13.54052 13 43 39.90 +01 23 24.6 18.8 R 422
J99G04L C1999 04 13.54152 13 43 39.82 +01 23 25.8 18.8 R 422
J99G04L C1999 04 13.54233 13 43 39.76 +01 23 25.7 18.6 R 422
J99G04L C1999 04 13.54420 13 43 39.57 +01 23 26.7 18.8 R 422
J99G04L C1999 04 13.91029 13 43 08.17 +01 27 37.9 587
J99G04L C1999 04 13.92731 13 43 06.60 +01 27 50.1 587
J99G04L C1999 04 13.98576 13 43 01.15 +01 28 33.9 557
J99G04L C1999 04 13.98774 13 43 00.98 +01 28 35.4 557
J99G04L C1999 04 13.98972 13 43 00.80 +01 28 37.1 557
J99G04L C1999 04 14.84052 13 41 50.70 +01 38 57.5 17.4 R 046
J99G04L C1999 04 14.84297 13 41 50.46 +01 38 59.4 046
J99G04L C1999 04 14.84532 13 41 50.29 +01 39 00.3 046
J99G04L C1999 04 14.84745 13 41 50.10 +01 39 01.5 046
J99G04L C1999 04 14.84984 13 41 49.86 +01 39 02.6 046
J99G04L C1999 04 14.85167 13 41 49.77 +01 39 03.8 046
Observer details:
046 Klet. Observers M. Tichy, Z. Moravec. Measurer M. Tichy.
0.57-m f/5.2 reflector + CCD.
422 Loomberah. Observer G. J. Garradd. 0.45-m f/5.4 reflector + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
557 Ondrejov. Observer L. Sarounova. 0.65-m f/3.6 reflector + CCD.
587 Sormano. Observers F. Manca, V. Giuliani. 0.5-m reflector + CCD.
704 Lincoln Laboratory ETS, New Mexico. Observers M. Blythe, F. Shelly,
M. Bezpalko, M. Elowitz. Measurers J. Stuart, H. Viggh, R. Sayer. 1.0-m
f/2.15 reflector + CCD.
Orbital elements:
1999 GL4 PHA 0.025
Epoch 1999 Apr. 12.0 TT = JDT 2451280.5 Marsden
M 24.97017 (2000.0) P Q
n 0.31489446 Peri. 293.47805 -0.38061261 -0.92473128
a 2.1397319 Node 178.88464 +0.88798109 -0.36622955
e 0.6078749 Incl. 7.29099 +0.25811552 -0.10367247
P 3.13 H 19.4 G 0.15
From 25 observations 1999 Apr. 12-14.
Ephemeris:
1999 GL4 a,e,i = 2.14, 0.61, 7 q = 0.8390
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 04 12 13 45.95 +01 02.2 0.354 1.351 168.5 8.5 18.4
1999 04 17 13 39.02 +02 02.6 0.399 1.396 167.7 8.8 18.7
1999 04 22 13 33.54 +02 42.7 0.447 1.441 164.2 11.0 19.1
1999 04 27 13 29.40 +03 06.1 0.500 1.485 159.7 13.6 19.5
1999 05 02 13 26.49 +03 15.9 0.556 1.530 154.9 16.2 19.9
1999 05 07 13 24.67 +03 14.9 0.616 1.574 150.3 18.5 20.3
1999 05 12 13 23.82 +03 04.9 0.679 1.617 145.7 20.6 20.6
1999 05 17 13 23.86 +02 47.8 0.746 1.660 141.3 22.4 20.9
1999 05 22 13 24.70 +02 24.8 0.816 1.703 137.1 23.9 21.2
1999 05 27 13 26.25 +01 57.2 0.889 1.745 133.0 25.1 21.5
1999 06 01 13 28.41 +01 25.9 0.964 1.786 129.1 26.1 21.8
Brian G. Marsden (C) Copyright 1999 MPC M.P.E.C. 1999-G28
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