MPEC 1999-R44 : 1999 RQ36
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M.P.E.C. 1999-R44 Issued 1999 Sept. 14, 15:18 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 RQ36
Observations:
J99R36Q* C1999 09 11.40624 01 37 54.90 -27 04 27.5 15.1 704
J99R36Q C1999 09 11.42149 01 38 00.18 -27 03 59.6 15.1 704
J99R36Q C1999 09 11.43717 01 38 05.61 -27 03 30.2 15.3 704
J99R36Q C1999 09 11.45212 01 38 10.83 -27 03 01.1 15.4 704
J99R36Q C1999 09 11.46681 01 38 16.03 -27 02 32.4 15.2 704
J99R36Q C1999 09 12.01709 01 42 28.07 -26 45 22.0 14.1 V 595
J99R36Q C1999 09 12.01988 01 42 29.17 -26 45 16.7 595
J99R36Q C1999 09 12.02109 01 42 30.22 -26 45 10.2 108
J99R36Q C1999 09 12.02154 01 42 29.64 -26 45 17.5 15.0 R 046
J99R36Q C1999 09 12.02234 01 42 29.93 -26 45 15.6 046
J99R36Q C1999 09 12.02234 01 42 31.04 -26 45 08.9 108
J99R36Q C1999 09 12.02269 01 42 30.27 -26 45 11.4 595
J99R36Q C1999 09 12.02326 01 42 30.29 -26 45 13.5 046
J99R36Q C1999 09 12.02455 01 42 30.82 -26 45 11.1 046
J99R36Q C1999 09 12.02523 01 42 31.85 -26 45 05.4 108
J99R36Q C1999 09 12.02536 01 42 31.16 -26 45 10.1 046
J99R36Q C1999 09 12.02559 01 42 31.40 -26 45 05.5 595
J99R36Q C1999 09 12.02615 01 42 31.45 -26 45 08.2 046
J99R36Q C1999 09 12.03192 01 42 34.50 -26 44 51.1 14.8 V 108
J99R36Q C1999 09 12.08268 01 42 56.05 -26 43 02.3 620
J99R36Q C1999 09 12.08877 01 42 58.37 -26 42 49.4 620
J99R36Q C1999 09 12.09266 01 42 59.88 -26 42 42.0 620
J99R36Q C1999 09 12.09709 01 43 01.66 -26 42 33.0 620
J99R36Q C1999 09 12.39214 01 45 25.42 -26 31 47.2 670
J99R36Q C1999 09 12.40936 01 45 32.53 -26 31 10.9 670
J99R36Q C1999 09 12.42810 01 45 40.11 -26 30 29.6 14.7 R 670
J99R36Q C1999 09 12.44483 01 45 46.87 -26 29 51.5 670
J99R36Q C1999 09 12.98193 01 50 27.75 -26 08 32.8 15.3 106
J99R36Q C1999 09 12.98586 01 50 32.31 -26 08 02.6 952
J99R36Q C1999 09 12.98690 01 50 32.83 -26 08 00.0 952
J99R36Q C1999 09 12.98854 01 50 33.59 -26 07 56.6 952
J99R36Q C1999 09 12.98970 01 50 34.12 -26 07 53.7 952
J99R36Q C1999 09 12.99405 01 50 36.19 -26 07 44.1 952
J99R36Q C1999 09 12.99627 01 50 37.21 -26 07 39.1 952
J99R36Q C1999 09 13.00171 01 50 36.99 -26 07 45.3 15.3 106
J99R36Q C1999 09 13.00328 01 50 37.24 -26 07 45.9 14.8 R 046
J99R36Q C1999 09 13.00413 01 50 37.63 -26 07 43.8 046
J99R36Q C1999 09 13.00485 01 50 37.97 -26 07 42.1 046
J99R36Q C1999 09 13.00557 01 50 38.30 -26 07 40.4 046
J99R36Q C1999 09 13.00625 01 50 38.62 -26 07 38.7 046
J99R36Q C1999 09 13.03046 01 50 49.39 -26 06 39.0 118
J99R36Q C1999 09 13.03441 01 50 51.20 -26 06 28.8 118
J99R36Q C1999 09 13.03715 01 50 52.46 -26 06 22.0 118
J99R36Q C1999 09 13.34820 01 53 46.35 -25 51 58.1 15.1 704
J99R36Q C1999 09 13.35949 01 53 51.71 -25 51 27.7 15.4 704
J99R36Q C1999 09 13.37049 01 53 56.96 -25 50 58.2 15.5 704
J99R36Q C1999 09 13.37617 01 54 02.91 -25 50 54.9 15.3 R 848
J99R36Q C1999 09 13.37706 01 54 03.41 -25 50 51.8 15.1 R 848
J99R36Q C1999 09 13.37796 01 54 03.82 -25 50 49.6 14.6 R 848
J99R36Q C1999 09 13.37888 01 54 04.31 -25 50 47.0 14.6 R 848
J99R36Q C1999 09 13.37978 01 54 04.76 -25 50 45.3 14.3 R 848
J99R36Q C1999 09 13.57924 01 56 06.13 -25 36 37.0 13.8 R 426
J99R36Q C1999 09 13.58138 01 56 07.23 -25 36 31.5 13.8 R 426
J99R36Q C1999 09 13.58330 01 56 08.26 -25 36 26.7 13.6 R 426
J99R36Q C1999 09 14.00843 02 00 17.67 -25 18 59.0 14.4 R 046
J99R36Q C1999 09 14.00964 02 00 18.36 -25 18 55.1 046
J99R36Q C1999 09 14.01078 02 00 18.98 -25 18 51.8 046
J99R36Q C1999 09 14.01186 02 00 19.58 -25 18 48.3 046
J99R36Q C1999 09 14.02866 02 00 27.85 -25 17 51.4 15.4 629
J99R36Q C1999 09 14.03362 02 00 30.38 -25 17 35.5 15.5 629
J99R36Q C1999 09 14.03598 02 00 31.76 -25 17 27.3 16.2 629
J99R36Q C1999 09 14.03844 02 00 33.03 -25 17 19.9 16.0 629
J99R36Q C1999 09 14.03942 02 00 33.62 -25 17 16.7 16.4 629
J99R36Q C1999 09 14.04112 02 00 34.60 -25 17 12.3 15.5 629
J99R36Q C1999 09 14.04280 02 00 35.49 -25 17 05.6 15.8 629
J99R36Q C1999 09 14.04454 02 00 36.45 -25 16 59.7 16.1 629
J99R36Q C1999 09 14.04579 02 00 37.12 -25 16 55.6 15.8 629
J99R36Q C1999 09 14.04709 02 00 37.83 -25 16 51.7 16.3 629
Observer details:
046 Klet. Observers J. Ticha, M. Tichy, Z. Moravec. 0.57-m f/5.2 reflector
+ CCD.
106 Crni Vrh. Observer H. Mikuz. 0.36-m f/6.7 Schmidt-Cassegrain + CCD.
108 Montelupo. Observers M. Tombelli, A. Boattini, L. Tesi, D. Guidetti,
G. Forti, E. Masotti. Measurers M. Tombelli, A. Boattini, L. Tesi,
S. Bartolini, G. Forti. 0.30-m f/5.7 Schmidt-Cassegrain + CCD.
118 Modra. Observers L. Kornos, P. Koleny. 0.6-m f/5.5 reflector + CCD.
426 Woomera. Observer F. B. Zoltowski. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
595 Farra d'Isonzo. Observers A. Toso, M. Spolaor, E. Pettarin. 0.40-m f/4.5
reflector + CCD
620 Observatorio Astronomico de Mallorca. Observer S. Sanchez. Measurers
J. Rodriguez, S. Sanchez. 0.30-m f/3.3 Schmidt-Cassegrain + CCD.
629 JATE Observatory, Szeged. Observers K. Sarneczky, L. Kiss. 0.28-m
Schmidt-Cassegrain + CCD.
670 Camarillo. Observer J. E. Rogers. 0.30-m f/6.7 Helin Telescope + 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.
848 Tenagra Observatory, Cottage Grove. Observer M. Schwartz. Measurer
P. R. Holvorcem. 0.36-m f/11 Schmidt-Cassegrain + CCD.
952 Marxuquera. Observer J. J. Gomez. 0.25-m f/6.3 Schmidt-Cassegrain + CCD.
Orbital elements:
1999 RQ36 PHA 0.001
Epoch 1999 Aug. 30.0 TT = JDT 2451420.5 Williams
M 294.21519 (2000.0) P Q
n 0.81560124 Peri. 64.72024 +0.39163818 -0.92011025
a 1.1345339 Node 2.23535 +0.80207228 +0.33921545
e 0.2071861 Incl. 6.00746 +0.45088756 +0.19578052
P 1.21 H 20.4 G 0.15
From 59 observations 1999 Sept. 11-14.
Ephemeris:
1999 RQ36 a,e,i = 1.13, 0.21, 6 q = 0.8995
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1999 09 09 01 23.36 -27 57.0 0.053 1.049 140.9 37.3 15.6
1999 09 10 01 28.89 -27 37.5 0.049 1.046 140.4 37.8 15.5
1999 09 11 01 35.15 -27 13.2 0.046 1.042 139.9 38.5 15.3
1999 09 12 01 42.28 -26 42.7 0.042 1.039 139.2 39.3 15.2
1999 09 13 01 50.52 -26 04.4 0.039 1.036 138.3 40.3 15.0
1999 09 14 02 00.13 -25 15.6 0.035 1.032 137.2 41.5 14.8
1999 09 15 02 11.48 -24 12.8 0.032 1.029 135.7 43.0 14.7
1999 09 16 02 25.05 -22 50.8 0.029 1.026 133.9 45.0 14.5
1999 09 17 02 41.46 -21 02.1 0.026 1.023 131.4 47.5 14.3
1999 09 18 03 01.54 -18 36.1 0.023 1.019 128.1 50.9 14.1
1999 09 19 03 26.27 -15 17.8 0.020 1.016 123.6 55.5 14.0
1999 09 20 03 56.71 -10 49.7 0.018 1.013 117.5 61.6 13.9
1999 09 21 04 33.66 -04 57.5 0.016 1.010 109.4 69.8 13.9
1999 09 22 05 16.96 +02 12.4 0.015 1.006 99.4 79.7 14.1
1999 09 23 06 04.72 +09 55.7 0.015 1.003 88.4 90.8 14.5
1999 09 24 06 53.27 +17 00.7 0.015 1.000 77.8 101.3 15.0
1999 09 25 07 38.59 +22 34.5 0.017 0.997 68.9 110.2 15.7
1999 09 26 08 18.04 +26 28.4 0.019 0.994 62.0 117.1 16.4
1999 09 27 08 50.88 +29 01.8 0.021 0.991 57.0 122.0 17.0
1999 09 28 09 17.66 +30 39.4 0.024 0.988 53.4 125.4 17.6
1999 09 29 09 39.38 +31 40.5 0.027 0.985 50.9 127.9 18.0
1999 10 09 11 12.28 +32 37.7 0.062 0.957 45.9 131.5 20.1
1999 10 19 11 41.70 +30 47.0 0.099 0.933 48.6 126.8 20.6
1999 10 29 11 59.76 +28 13.3 0.138 0.915 52.3 120.9 20.8
1999 11 08 12 15.72 +25 07.1 0.178 0.904 56.1 114.5 20.9
1999 11 18 12 31.77 +21 38.0 0.217 0.899 59.9 108.1 20.9
1999 11 28 12 48.63 +17 53.2 0.254 0.903 63.6 101.8 20.9
1999 12 08 13 06.35 +14 00.7 0.288 0.913 67.3 95.9 20.9
1999 12 18 13 24.48 +10 08.3 0.316 0.931 71.0 90.2 20.9
1999 12 28 13 42.64 +06 20.7 0.338 0.954 75.0 85.0 20.9
2000 01 07 14 00.37 +02 42.0 0.352 0.981 79.3 80.0 20.9
2000 01 17 14 16.99 -00 45.1 0.359 1.012 84.1 75.2 20.8
2000 01 27 14 31.90 -04 00.3 0.359 1.045 89.4 70.5 20.7
2000 02 06 14 44.22 -07 03.9 0.352 1.079 95.6 65.5 20.6
2000 02 16 14 52.73 -09 56.7 0.338 1.113 102.8 59.9 20.4
2000 02 26 14 56.05 -12 40.7 0.321 1.146 111.3 53.6 20.2
2000 03 07 14 52.29 -15 14.8 0.302 1.179 121.5 45.9 19.9
2000 03 17 14 39.58 -17 32.2 0.285 1.209 133.7 36.5 19.6
2000 03 27 14 17.39 -19 17.9 0.274 1.238 147.7 25.5 19.2
2000 04 06 13 47.93 -20 09.7 0.274 1.264 162.2 14.0 18.9
2000 04 16 13 17.32 -19 59.6 0.289 1.288 169.0 8.5 18.8
2000 04 26 12 52.23 -19 08.0 0.318 1.309 159.4 15.7 19.4
2000 05 06 12 36.01 -18 07.0 0.361 1.327 147.3 24.3 19.9
2000 05 16 12 28.81 -17 21.2 0.414 1.342 136.5 31.2 20.5
2000 05 26 12 29.01 -17 00.0 0.474 1.354 127.3 36.5 20.9
2000 06 05 12 34.88 -17 03.6 0.538 1.362 119.4 40.5 21.3
2000 06 15 12 45.09 -17 29.3 0.605 1.367 112.6 43.3 21.7
2000 06 25 12 58.57 -18 12.7 0.674 1.370 106.5 45.4 22.0
Gareth V. Williams (C) Copyright 1999 MPC M.P.E.C. 1999-R44
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