[Iaude] MPEC Y76: 2015 BS4 [a=2.73,e=0.65,i=6.1,H=21.62]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Fri Dec 22 09:10:44 EST 2023
M.P.E.C. 2023-Y76 Issued 2023 December 22, 14:09 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets, routine data on comets and natural satellites,
and occasional editorial announcements. They are published
on behalf of Division F 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 at CFA.HARVARD.EDU
URL https://www.minorplanetcenter.net/ ISSN 1523-6714
2015 BS4
Revision to MPEC 2015-B78
Additional Observations:
K15B04S 0C2023 12 12.52835005 10 34.601+36 05 39.41 23.22GVEY076T12
K15B04S 0C2023 12 12.53415405 10 33.911+36 05 40.24 23.16GVEY076T12
K15B04S 0C2023 12 12.54022205 10 33.184+36 05 41.04 23.41GVEY076T12
K15B04S KC2023 12 15.19191805 05 20.410+36 11 32.60 22.81GVEY076V06
K15B04S KC2023 12 15.20303705 05 19.060+36 11 34.00 VEY076V06
K15B04S KC2023 12 15.21415505 05 17.640+36 11 35.40 22.70GVEY076V06
K15B04S KC2023 12 15.22527705 05 16.250+36 11 36.90 VEY076V06
K15B04S 0C2023 12 16.47355005 02 43.063+36 13 37.29 23.24GVEY076T12
K15B04S 0C2023 12 16.49172105 02 40.737+36 13 38.49 23.41GVEY076T12
K15B04S 0C2023 12 16.49755705 02 39.986+36 13 38.82 23.22GVEY076T12
K15B04S 0C2023 12 16.50346405 02 39.235+36 13 39.17 23.13GVEY076T12
K15B04S DC2023 12 21.32349 04 52 29.08 +36 16 05.3 23.2 GVEY076695
K15B04S DC2023 12 21.33885 04 52 27.02 +36 16 04.5 VEY076695
K15B04S DC2023 12 21.35423 04 52 24.99 +36 16 04.2 VEY076695
Observer details:
695 Kitt Peak. Observer R. A. Mastaler. 2.3-m f/9 reflector + CCD.
T12 University of Hawaii 88-inch telescope, Maunakea. Observer D. J. Tholen.
2.24-m f/10.1 reflector + 2112 x 2112 pixels STA1600 10k CCD.
V06 Catalina Sky Survey-Kuiper. Observer K. W. Wierzchos. Measurers E. C.
Beshore, D. Fay, J. B. Fazekas, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, J. K. Hogan, R. A. Kowalski, S. M. Larson, G. J. Leonard, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 1.55-m reflector +
1K CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
231212 T12 80.0+ 15.3+ 231221 695 81.1+ 21.6+ MPO781936 +0.02 days
Orbital elements:
2015 BS4 PHA, Earth MOID = 0.0321 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 312.92815 (2000.0) P Q
n 0.21867365 Peri. 187.41184 -0.99897590 +0.04432716
a 2.7285908 Node 355.10129 -0.03411316 -0.86957901
e 0.6533062 Incl. 6.09669 -0.02972280 -0.49180020
P 4.51 H 21.62 G 0.15 U 0
Residuals in seconds of arc
141121 F51 0.0 0.0 150121 568 0.2+ 0.1- 150214 291 0.1+ 0.2+
141225 F51 0.3+ 0.5+ 150121 568 0.2+ 0.1- 150217 291 0.1+ 0.1-
141225 F51 0.3+ 0.3- 150121 568 0.2+ 0.1- 150217 291 0.1+ 0.1+
141227 F51 0.2- 0.2+ 150123 568 0.1+ 0.1+ 150217 291 0.5+ 0.6+
141227 F51 0.0 0.0 150123 568 0.0 0.1+ 150324 T12 0.0 0.1+
150117 F51 0.0 0.1- 150124 703 0.6+ 0.1- 150521 568 0.0 0.0
150117 F51 0.4+ 0.1- 150124 703 0.0 0.8+ 150521 568 0.0 0.0
150117 F51 0.2- 0.1- 150124 703 0.5- 0.3- 150521 568 0.0 0.0
150117 F51 0.1+ 0.1- 150124 H21 0.1- 0.4- 231212 T12 0.0 0.0
150118 291 0.2+ 0.0 150124 H21 0.1- 0.5- 231212 T12 0.0 0.0
150118 291 0.0 0.4+ 150124 H21 0.0 0.5- 231212 T12 0.0 0.0
150118 291 0.4+ 0.2+ 150125 568 0.3- 0.1+ 231215 V06 0.3- 0.0
150118 568 0.4- 0.1+ 150125 568 0.5- 0.2+ 231215 V06 0.2+ 0.0
150118 568 0.4- 0.0 150125 568 0.3- 0.0 231215 V06 0.2- 0.0
150118 568 0.4- 0.0 150126 493 0.1+ 0.1+ 231215 V06 0.1- 0.2+
150119 291 0.1- 0.2+ 150126 493 0.1+ 0.0 231216 T12 0.0 0.0
150119 291 0.1- 0.0 150126 493 0.1+ 0.1+ 231216 T12 0.0 0.1+
150119 291 0.0 0.1- 150128 H21 0.0 0.3- 231216 T12 0.1- 0.0
150119 H21 0.1+ 0.1- 150128 H21 0.0 0.0 231216 T12 0.0 0.0
150119 H21 0.4+ 0.2- 150128 H21 0.2+ 0.0 231221 695 0.0 0.1+
150119 H21 0.2+ 0.1- 150131 H21 0.0 0.4- 231221 695 0.1- 0.1-
150120 291 0.2- 0.0 150131 H21 0.0 0.2- 231221 695 0.2+ 0.2+
150120 291 0.2+ 0.0 150214 291 0.3- 0.1+
150120 291 0.1+ 0.1+ 150214 291 0.2- 0.2+
Ephemeris:
2015 BS4 a,e,i = 2.73, 0.65, 6 q = 0.9460
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 11 22 05 39 41.4 +34 28 37 1.0787 2.0021 151.3 13.7 24.1
...
2023 12 07 05 20 33.5 +35 46 54 0.9034 1.8733 165.3 7.7 23.3
...
2023 12 15 05 05 43.3 +36 11 12 0.8319 1.8033 166.2 7.5 23.0
...
2023 12 21 04 53 11.2 +36 16 11 0.7887 1.7503 161.7 10.2 23.0
2023 12 22 04 51 02.0 +36 15 45 0.7824 1.7414 160.7 10.8 23.0
2023 12 23 04 48 52.2 +36 14 57 0.7763 1.7326 159.6 11.4 23.0
...
2023 12 29 04 35 53.9 +36 02 17 0.7444 1.6791 152.5 15.7 23.0
...
2024 01 06 04 19 38.8 +35 25 52 0.7136 1.6074 142.1 22.1 23.0
...
2024 01 21 03 57 41.5 +33 39 44 0.6824 1.4727 123.2 34.0 23.0
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-Y76
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