MPEC 2019-A167: 2016 BT39
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M.P.E.C. 2019-A167 Issued 2019 Jan. 10, 22:34 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@CFA.HARVARD.EDU URL https://www.minorplanetcenter.net/ ISSN 1523-6714 2016 BT39 Revision to MPEC 2016-C15 Additional Observations: K16B39T C2008 02 13.30460 09 58 15.09 +04 00 55.2 22.4 VrEA167G96 K16B39T C2008 02 13.31097 09 58 14.48 +04 01 00.0 21.9 VrEA167G96 K16B39T C2008 02 13.31738 09 58 13.90 +04 01 05.1 21.7 VrEA167G96 K16B39T C2008 02 13.32375 09 58 13.44 +04 01 09.6 21.6 VrEA167G96 K16B39T C2008 02 13.36097 09 58 10.05 +04 01 37.9 21.1 VrEA167G96 K16B39T C2008 02 13.37139 09 58 09.15 +04 01 46.0 20.9 VrEA167G96 K16B39T C2008 02 13.38179 09 58 08.25 +04 01 54.0 21.9 VrEA167G96 K16B39T C2008 02 13.39232 09 58 07.28 +04 02 02.0 21.4 VrEA167G96 K16B39T C2008 02 13.41803 09 58 05.02 +04 02 22.1 22.1 VrEA167G96 K16B39T C2008 02 13.42532 09 58 04.40 +04 02 27.0 21.6 VrEA167G96 K16B39T C2008 02 13.43266 09 58 03.74 +04 02 32.6 21.5 VrEA167G96 K16B39T C2008 02 13.44006 09 58 03.08 +04 02 39.0 21.5 VrEA167G96 K16B39T C2011 03 11.35778711 21 06.395+02 49 14.26 23.1 GVEA167F51 K16B39T C2011 03 30.36568311 01 04.134+05 46 15.00 24.3 GVEA167F51 K16B39T C2011 03 30.37897211 01 03.395+05 46 21.95 22.9 GVEA167F51 K16B39T C2011 03 30.39342211 01 02.603+05 46 28.58 22.8 GVEA167F51 K16B39T C2012 04 24.51928515 36 53.537-07 58 33.62 22.1 GVEA167F51 K16B39T C2015 05 24.46468517 17 54.084-06 26 33.52 22.0 GVEA167F51 K16B39T C2015 05 24.47689217 17 53.223-06 26 27.66 21.8 GVEA167F51 K16B39T C2015 05 24.48912017 17 52.343-06 26 21.58 22.0 GVEA167F51 K16B39T C2015 05 24.50134317 17 51.438-06 26 15.62 22.9 GVEA167F51 K16B39T C2015 05 25.47490117 16 43.430-06 18 09.98 22.5 GVEA167F51 K16B39T C2015 05 25.48710717 16 42.527-06 18 03.94 22.3 GVEA167F51 K16B39T C2015 05 25.49940317 16 41.632-06 17 57.98 22.2 GVEA167F51 K16B39T C2015 06 07.43687516 58 51.511-04 38 30.77 21.1 GVEA167F51 K16B39T C2015 06 07.46008716 58 49.265-04 38 20.99 21.1 GVEA167F51 K16B39T C2015 06 07.47169316 58 48.175-04 38 16.54 22.1 GVEA167F51 K16B39T C2015 06 10.42261216 54 10.957-04 18 52.16 21.1 GVEA167F51 K16B39T C2015 06 10.43327316 54 09.904-04 18 48.46 21.2 GVEA167F51 K16B39T C2015 06 10.45450116 54 07.811-04 18 40.70 21.4 GVEA167F51 K16B39T C2015 07 06.28977116 14 31.763-03 02 24.56 21.4 GVEA167F51 K16B39T C2015 07 06.31061516 14 30.115-03 02 25.71 21.2 GVEA167F51 K16B39T C2015 07 06.32104616 14 29.290-03 02 26.16 21.4 GVEA167F51 K16B39T C2015 07 07.26948816 13 18.768-03 03 22.49 21.5 GVEA167F51 K16B39T C2015 07 07.28015816 13 17.945-03 03 23.20 21.3 GVEA167F51 K16B39T C2015 07 31.30250515 56 23.072-04 50 04.86 21.7 GVEA167F51 K16B39T C2016 01 08.20592101 14 28.596-11 01 59.38 21.6 GVEA167F51 K16B39T C2016 01 09.21438801 20 18.029-10 26 44.20 21.8 GVEA167F51 K16B39T C2019 01 10.53625 10 07 42.469-01 09 05.12 21.6 wUEA167F51 K16B39T C2019 01 10.54897 10 07 41.611-01 08 59.52 21.8 wUEA167F51 K16B39T C2019 01 10.56157 10 07 40.754-01 08 54.02 21.4 wUEA167F51 K16B39T C2019 01 10.57417 10 07 39.881-01 08 48.37 21.5 wUEA167F51 Observer details: F51 Pan-STARRS 1, Haleakala. Observers J. Bulger, K. Chambers, T. Lowe, E. Magnier, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y. Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, L. Denneau, J. Fairlamb, H. Flewelling, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD. G96 Mt. Lemmon Survey. Observer A. D. Grauer. Measurers E. C. Beshore, A. Boattini, G. J. Garradd, A. R. Gibbs, A. D. Grauer, R. E. Hill, R. A. Kowalski, S. M. Larson, R. H. McNaught. 1.5-m reflector + CCD. First and last observations above in comparison with prediction: Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T 080213 G96 1.46+ 0.23- 190110 F51 0.54- 0.01+ MPO373602 +1.1 day Orbital elements: 2016 BT39 PHA, Earth MOID = 0.0479 AU Epoch 2019 Apr. 27.0 TT = JDT 2458600.5 MPC M 86.59992 (2000.0) P Q n 0.35688538 Peri. 203.18068 +0.94971298 -0.31282624 a 1.9684160 Node 174.98987 +0.30610950 +0.91842673 e 0.5380177 Incl. 8.95989 +0.06589555 +0.24214062 P 2.76 H 19.7 G 0.15 U 0 Residuals in seconds of arc 080213 G96 0.3+ 0.1- 150610 F51 0.0 0.4+ 160204 291 0.2- 0.2+ 080213 G96 0.4- 0.2- 150610 F51 0.0 0.0 160204 291 0.3- 0.2- 080213 G96 0.6- 0.0 150610 F51 0.1+ 0.2- 160204 568 0.0 0.1- 080213 G96 1.0+ 0.3- 150706 F51 0.0 0.1+ 160204 568 0.0 0.0 080213 G96 0.3- 0.4- 150706 F51 0.1+ 0.0 160205 568 0.1- 0.1- 080213 G96 0.0 0.3- 150706 F51 0.1+ 0.1+ 160205 568 0.2+ 0.1+ 080213 G96 0.3+ 0.2- 150707 F51 0.0 0.1+ 160205 568 0.1- 0.0 080213 G96 0.2- 0.2- 150707 F51 0.0 0.1+ 160205 568 0.0 0.0 080213 G96 0.0 0.3+ 150731 F51 0.0 0.1+ 160206 J04 0.4+ 0.0 080213 G96 0.3+ 0.4- 160108 F51 0.0 0.4+ 160206 J04 0.5+ 0.2+ 080213 G96 0.1+ 0.3- 160109 F51 0.0 0.0 160207 291 0.6- 0.0 080213 G96 0.0 0.4+ 160130 F51 0.0 0.0 160207 291 0.3+ 0.2+ 110311 F51 0.1+ 0.1- 160130 F51 0.1+ 0.1+ 160207 291 0.3- 0.0 110330 F51 0.0 0.4- 160130 F51 0.5+ 0.3+ 160210 291 0.8+ 0.9+ 110330 F51 0.1- 0.2+ 160131 W86 0.3+ 0.1+ 160210 291 0.6- 0.2- 110330 F51 0.1- 0.2- 160131 W86 0.2+ 0.2+ 160225 291 0.8- 0.4- 120424 F51 0.1+ 0.5+ 160131 W86 0.4+ 0.1+ 160225 291 0.2+ 0.8- 150524 F51 0.1- 0.3+ 160131 926 0.3- 0.2+ 160225 291 0.8- 0.6- 150524 F51 0.1+ 0.0 160131 926 0.3- 0.3+ 160227 291 0.5- 0.4+ 150524 F51 0.2+ 0.0 160131 926 0.5- 0.4+ 160227 291 0.3- 0.0 150524 F51 0.2- 0.2- 160201 807 0.3+ 0.1+ 160229 291 0.4+ 0.1- 150525 F51 0.1- 0.1+ 160201 807 0.0 0.2- 160229 291 0.4+ 0.2+ 150525 F51 0.0 0.1+ 160201 807 0.4+ 0.5- 160229 291 0.6- 0.6+ 150525 F51 0.2+ 0.1- 160203 291 0.0 0.1+ 190110 F51 0.0 0.1- 150607 F51 0.0 0.1+ 160203 291 0.3- 0.1+ 190110 F51 0.2+ 0.1- 150607 F51 0.3- 0.3+ 160203 291 0.3- 0.3+ 190110 F51 0.2+ 0.1- 150607 F51 0.0 0.0 160204 291 0.3- 0.5+ 190110 F51 0.0 0.1+ Ephemeris: 2016 BT39 a,e,i = 1.97, 0.54, 9 q = 0.9094 Date TT R. A. (2000) Decl. Delta r Elong. Phase V 2018 12 11 10 19 14.5 -01 56 44 1.0041 1.5348 101.0 39.0 22.2 ... 2018 12 26 10 19 02.5 -02 15 10 0.9629 1.6491 115.8 32.5 22.1 ... 2019 01 03 10 14 35.6 -01 52 47 0.9437 1.7086 124.9 28.2 22.0 ... 2019 01 09 10 09 18.6 -01 19 45 0.9332 1.7524 132.2 24.6 21.9 2019 01 10 10 08 16.7 -01 12 53 0.9319 1.7597 133.5 23.9 21.9 2019 01 11 10 07 12.3 -01 05 37 0.9307 1.7669 134.7 23.3 21.9 ... 2019 01 17 09 59 59.2 -00 14 15 0.9273 1.8098 142.5 19.3 21.8 ... 2019 01 25 09 48 42.8 +01 12 51 0.9339 1.8659 153.2 13.8 21.7 ... 2019 02 09 09 25 45.0 +04 32 06 0.9890 1.9674 169.6 5.2 21.6 A. U. Tomatic (C) Copyright 2019 MPC M.P.E.C. 2019-A167


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