[Iaude] MPEC X158: 2015 BK515 [a=1.75,e=0.45,i=5.3,H=20.9]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Wed Dec 8 09:06:30 EST 2021
M.P.E.C. 2021-X158 Issued 2021 December 8, 14:05 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. 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 BK515
Revision to MPEC 2015-C21
Additional Observations:
K15Bp5K C2013 09 04.46508200 07 27.710-02 43 46.54 23.49GVEX158F51
K15Bp5K C2013 09 04.48008300 07 26.510-02 43 56.93 24.18GVEX158F51
K15Bp5K C2015 07 02.32311114 02 50.423+08 46 07.10 21.78GVEX158F51
K15Bp5K C2015 07 02.33419614 02 54.733+08 45 30.35 21.13GVEX158F51
K15Bp5K C2015 07 02.34523514 02 58.979+08 44 54.54 21.00GVEX158F51
K15Bp5K C2015 07 02.35622414 03 03.246+08 44 18.22 20.72GVEX158F51
K15Bp5K C2015 08 10.28221117 04 20.734-15 00 53.92 21.37GVEX158F51
K15Bp5K C2015 08 10.30604617 04 25.160-15 01 20.07 21.60GVEX158F51
K15Bp5K C2015 08 10.31795017 04 27.386-15 01 33.05 21.38GVEX158F51
K15Bp5K C2020 09 16.42914500 24 20.615-02 06 01.54 23.36GVEX158F51
K15Bp5K C2020 09 16.44700800 24 19.193-02 06 12.82 22.96GVEX158F51
K15Bp5K C2020 09 16.46472600 24 17.763-02 06 24.21 23.39GVEX158F51
K15Bp5K C2020 09 16.47010300 24 17.318-02 06 27.51 22.73GVEX158F52
K15Bp5K C2020 09 16.48429700 24 16.146-02 06 37.04 22.69GVEX158F52
K15Bp5K C2020 09 18.45255100 21 41.231-02 27 49.13 22.62GVEX158F52
K15Bp5K C2020 09 18.47585800 21 39.303-02 28 04.31 22.80GVEX158F52
K15Bp5K KC2021 12 05.47928 08 40 07.07 +10 28 27.8 22.8 RoEX158291
K15Bp5K KC2021 12 05.49426 08 40 07.78 +10 28 22.3 oEX158291
K15Bp5K KC2021 12 05.50929 08 40 08.50 +10 28 17.5 22.7 RoEX158291
Observer details:
291 LPL/Spacewatch II. Observer M. T. Read. 1.8-m f/2.7 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, A.
Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R.
Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc, reference and Delta-T
130904 F51 4.4- 1.2- 211205 291 37.1- 5.8- MPO343854 +845 days
Orbital elements:
2015 BK515 PHA, Earth MOID = 0.0470 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 320.72725 (2000.0) P Q
n 0.42582514 Peri. 59.17283 -0.84975797 +0.52545760
a 1.7497736 Node 152.45872 -0.50961285 -0.79814821
e 0.4463567 Incl. 5.27294 -0.13493009 -0.29470960
P 2.31 H 20.94 G 0.15 U 0
Residuals in seconds of arc
130904 F51 0.0 0.2+ 150423 695 0.0 0.0 150712 104 0.4+ 0.5-
130904 F51 0.1+ 0.0 150423 695 0.1- 0.1+ 150810 F51 0.0 0.1+
150119 J04 0.5- 0.1+ 150423 695 0.4- 0.0 150810 F51 0.2- 0.0
150119 J04 0.5- 0.4+ 150612 J04 0.3- 0.0 150810 F51 0.0 0.0
150119 J04 0.3- 0.1+ 150612 J04 0.2+ 0.3+ 200916 F51 0.3- 0.3-
150120 J04 1.1- 0.4+ 150612 J04 1.0+ 0.4+ 200916 F51 0.1+ 0.0
150120 J04 0.1+ 0.4+ 150702 F51 0.3- 0.2+ 200916 F51 0.2+ 0.1+
150127 493 0.0 0.1- 150702 F51 0.2+ 0.3- 200916 F52 0.1+ 0.3+
150127 493 0.0 0.0 150702 F51 0.0 0.0 200916 F52 0.2- 0.0
150127 493 0.0 0.1+ 150702 F51 0.2+ 0.3- 200918 F52 0.1+ 0.2-
150207 291 0.2- 0.1+ 150712 F51 (1.6+ 1.1-) 200918 F52 0.2- 0.4-
150207 291 0.3+ 0.1- 150712 F51 0.1+ 0.1+ 211205 291 0.3+ 0.4-
150207 291 0.0 0.4- 150712 F51 0.1- 0.3+ 211205 291 0.0 0.4-
150211 J04 0.2+ 0.2- 150712 104 0.2+ 0.0 211205 291 0.1- 0.4+
150211 J04 0.1+ 0.2- 150712 104 0.4+ 0.5-
150423 695 0.2+ 0.2+ 150712 104 0.6+ 0.7-
Ephemeris:
2015 BK515 a,e,i = 1.75, 0.45, 5 q = 0.9688
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 11 08 08 09 10.2 +13 28 37 1.3241 1.8343 103.9 31.6 24.2
...
2021 11 23 08 27 39.4 +11 49 05 1.0962 1.7494 114.1 31.0 23.7
...
2021 12 01 08 36 00.8 +10 56 42 0.9808 1.7024 119.9 30.2 23.4
...
2021 12 07 08 41 24.4 +10 19 15 0.8976 1.6663 124.4 29.2 23.1
2021 12 08 08 42 13.5 +10 13 15 0.8841 1.6602 125.2 29.0 23.0
2021 12 09 08 43 01.0 +10 07 20 0.8706 1.6541 126.0 28.8 23.0
...
2021 12 15 08 47 13.9 +09 33 51 0.7921 1.6173 130.8 27.4 22.7
...
2021 12 23 08 51 14.0 +08 56 25 0.6934 1.5673 137.6 25.0 22.3
...
2022 01 07 08 52 26.4 +08 22 50 0.5295 1.4716 151.9 18.4 21.3
A. U. Tomatic (C) Copyright 2021 MPC M.P.E.C. 2021-X158
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