MPEC 2001-R28 : 2001 RY11
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M.P.E.C. 2001-R28 Issued 2001 Sept. 12, 21:01 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://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
2001 RY11
Observations:
K01R11Y* C2001 09 09.15502 17 34 20.25 +18 57 56.4 17.6 704
K01R11Y C2001 09 09.16851 17 34 21.00 +18 58 23.8 18.1 704
K01R11Y C2001 09 09.18202 17 34 21.74 +18 58 51.4 18.1 704
K01R11Y C2001 09 09.19555 17 34 22.53 +18 59 18.9 17.9 704
K01R11Y C2001 09 10.11221 17 35 20.94 +19 30 39.4 18.0 704
K01R11Y C2001 09 10.11306 17 35 20.77 +19 30 38.7 17.8 R 649
K01R11Y C2001 09 10.11617 17 35 20.97 +19 30 45.1 18.0 R 649
K01R11Y C2001 09 10.11928 17 35 21.13 +19 30 51.3 18.0 R 649
K01R11Y C2001 09 10.11990 17 35 21.35 +19 30 50.7 18.4 R 918
K01R11Y C2001 09 10.12266 17 35 21.54 +19 30 56.4 918
K01R11Y C2001 09 10.12618 17 35 21.71 +19 31 07.6 18.5 704
K01R11Y C2001 09 10.12690 17 35 21.82 +19 31 04.7 918
K01R11Y C2001 09 10.12932 17 35 21.91 +19 31 09.7 918
K01R11Y C2001 09 10.14014 17 35 22.51 +19 31 35.7 18.6 704
K01R11Y C2001 09 10.15411 17 35 23.30 +19 32 03.8 18.6 704
K01R11Y C2001 09 10.16806 17 35 24.12 +19 32 31.6 18.6 704
K01R11Y 1C2001 09 10.17326 17 35 24.84 +19 32 38.0 658
K01R11Y 1C2001 09 10.17529 17 35 24.97 +19 32 42.1 658
K01R11Y 1C2001 09 10.17731 17 35 25.09 +19 32 46.3 658
K01R11Y C2001 09 10.85941 17 36 08.98 +19 55 39.5 17.6 R 938
K01R11Y C2001 09 10.89521 17 36 11.02 +19 56 50.2 17.9 R 938
K01R11Y C2001 09 10.90888 17 36 11.98 +19 57 20.3 104
K01R11Y C2001 09 10.91128 17 36 12.12 +19 57 26.1 104
K01R11Y C2001 09 10.91259 17 36 12.23 +19 57 27.5 104
K01R11Y C2001 09 10.91355 17 36 12.29 +19 57 29.7 104
K01R11Y C2001 09 10.93767 17 36 13.55 +19 58 14.1 17.0 R 938
K01R11Y C2001 09 11.11540 17 36 26.07 +20 04 20.0 17.7 704
K01R11Y C2001 09 11.13035 17 36 26.93 +20 04 49.6 17.5 704
K01R11Y C2001 09 11.13072 17 36 27.01 +20 04 49.7 719
K01R11Y C2001 09 11.14510 17 36 27.81 +20 05 18.7 18.3 704
K01R11Y C2001 09 11.15451 17 36 28.23 +20 05 35.9 719
K01R11Y C2001 09 11.16036 17 36 28.69 +20 05 48.6 18.2 704
K01R11Y 1C2001 09 11.16244 17 36 29.29 +20 05 48.7 658
K01R11Y C2001 09 11.17573 17 36 29.51 +20 06 19.3 19.4 704
K01R11Y 1C2001 09 11.18164 17 36 30.43 +20 06 26.6 658
K01R11Y 1C2001 09 11.18478 17 36 30.63 +20 06 32.7 658
K01R11Y C2001 09 11.78816 17 37 10.95 +20 26 28.1 118
K01R11Y C2001 09 11.78920 17 37 10.96 +20 26 30.4 118
K01R11Y C2001 09 11.79124 17 37 11.11 +20 26 34.5 118
K01R11Y C2001 09 11.79227 17 37 11.18 +20 26 36.3 17.4 R 118
K01R11Y C2001 09 11.86260 17 37 15.60 +20 28 56.9 104
K01R11Y C2001 09 11.86693 17 37 15.84 +20 29 04.9 104
K01R11Y C2001 09 11.86782 17 37 15.90 +20 29 06.0 104
K01R11Y C2001 09 12.09271 17 37 31.25 +20 36 31.0 17.5 R 850
K01R11Y C2001 09 12.10625 17 37 32.08 +20 36 56.8 18.3 R 850
K01R11Y C2001 09 12.12361 17 37 33.25 +20 37 31.3 18.3 R 850
K01R11Y C2001 09 12.14289 17 37 34.92 +20 38 10.6 670
K01R11Y 1C2001 09 12.14719 17 37 35.39 +20 38 14.6 658
K01R11Y C2001 09 12.15035 17 37 34.86 +20 38 23.5 18.3 R 850
K01R11Y 1C2001 09 12.15147 17 37 35.64 +20 38 22.9 658
K01R11Y 1C2001 09 12.15339 17 37 35.76 +20 38 26.6 658
K01R11Y C2001 09 12.16593 17 37 36.39 +20 38 55.5 670
K01R11Y C2001 09 12.20122 17 37 38.56 +20 40 03.2 670
Observer details:
104 San Marcello Pistoiese. Observers L. Tesi, A. Boattini, M. Tombelli.
Measurers G. Forti, L. Tesi, A. Boattini, M. Tombelli. 0.40-m f/5
reflector + CCD.
118 Modra. Observers A. Galad, S. Gajdos. 0.6-m f/5.5 reflector + CCD.
649 Powell Observatory, Louisburg. Observers K. Smalley, R. Fredrick.
Measurer D. Trentman. 0.75-m Newtonian + CCD.
658 National Research Council of Canada. Observer D. D. Balam. 1.82-m
Plaskett reflector + 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, R. Huber, L. Manguso, S. Adams. Measurers J. Stuart,
R. Sayer, J. B. Evans, H. Viggh. 1.0-m f/2.15 reflector + CCD.
719 Etscorn Observatory. Observer D. A. Klinglesmith III. 0.355-m
Schmidt-Cassegrain + CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observer D. T. Durig. 0.3-m f/5.75
Schmidt-Cassegrain + CCD.
918 Badlands Observatory, Quinn. Observer R. Dyvig. 0.66-m f/4.8 reflector
+ CCD.
938 Linhaceira. Observer R. Goncalves. 0.25-m f/6.7 Schmidt-Cassegrain + CCD.
Orbital elements:
2001 RY11
Epoch 2001 Sept. 8.0 TT = JDT 2452160.5 Spahr
M 341.34410 (2000.0) P Q
n 0.53536095 Peri. 71.55450 +0.92656007 -0.13896281
a 1.5021210 Node 295.15000 -0.06728211 +0.85303984
e 0.2920934 Incl. 22.71475 +0.37008046 +0.50300335
P 1.84 H 17.3 G 0.15
From 53 observations 2001 Sept. 9-12.
Ephemeris:
2001 RY11 a,e,i = 1.50, 0.29, 23 q = 1.0634
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2001 09 08 17 33.18 +18 17.8 0.387 1.108 94.5 65.0 17.8
2001 09 18 17 44.79 +23 40.6 0.416 1.086 89.8 67.7 18.0
2001 09 28 17 59.52 +28 19.5 0.439 1.072 86.9 69.0 18.1
2001 10 08 18 17.30 +32 30.1 0.456 1.064 85.4 69.4 18.2
2001 10 18 18 38.71 +36 21.2 0.465 1.064 85.3 68.9 18.2
2001 10 28 19 05.01 +39 59.4 0.469 1.072 86.5 67.7 18.2
2001 11 07 19 37.98 +43 25.0 0.466 1.087 88.9 65.7 18.1
2001 11 17 20 20.15 +46 28.9 0.461 1.108 92.4 63.0 18.1
2001 11 27 21 13.88 +48 49.1 0.457 1.136 96.8 59.6 18.0
2001 12 07 22 18.98 +49 46.6 0.459 1.168 101.6 55.7 18.0
2001 12 17 23 30.25 +48 43.2 0.473 1.204 106.0 51.8 18.0
2001 12 27 00 38.81 +45 39.5 0.503 1.243 109.1 48.4 18.1
2002 01 06 01 38.16 +41 20.9 0.551 1.283 110.3 45.9 18.3
2002 01 16 02 27.22 +36 44.9 0.619 1.325 109.5 44.4 18.6
2002 01 26 03 07.89 +32 31.2 0.703 1.368 107.2 43.4 18.9
2002 02 05 03 42.44 +28 55.0 0.801 1.411 103.8 42.7 19.2
2002 02 15 04 12.77 +25 56.5 0.911 1.453 99.9 42.0 19.5
2002 02 25 04 40.25 +23 30.0 1.028 1.495 95.6 41.2 19.8
2002 03 07 05 05.73 +21 27.7 1.152 1.536 91.2 40.2 20.1
2002 03 17 05 29.82 +19 42.7 1.280 1.575 86.7 39.1 20.4
2002 03 27 05 52.93 +18 09.1 1.409 1.613 82.2 37.8 20.6
2002 04 06 06 15.28 +16 42.1 1.539 1.649 77.8 36.4 20.8
2002 04 16 06 37.07 +15 18.1 1.669 1.683 73.4 34.8 21.0
2002 04 26 06 58.41 +13 54.5 1.795 1.715 69.0 33.2 21.1
2002 05 06 07 19.35 +12 29.1 1.919 1.746 64.7 31.5 21.3
Timothy B. Spahr (C) Copyright 2001 MPC M.P.E.C. 2001-R28
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