[Iaude] MPEC Y110: 2020 BD8 [a=2.51,e=0.71,i=5.1,H=20.95]
mpec at marsden.cfa.harvard.edu
mpec at marsden.cfa.harvard.edu
Sun Dec 31 06:52:46 EST 2023
M.P.E.C. 2023-Y110 Issued 2023 December 31, 11:51 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
2020 BD8
Revision to MPEC 2020-B173
Additional Observations:
K20B08D C2023 12 29.25970323 59 32.493+24 54 20.43 20.71GVEY110F52
K20B08D C2023 12 29.27161723 59 42.091+24 55 22.10 20.40GVEY110F51
K20B08D C2023 12 29.27424123 59 44.149+24 55 35.36 20.98GVEY110F52
K20B08D C2023 12 29.28084523 59 49.469+24 56 09.32 20.45GVEY110F51
K20B08D C2023 12 29.29861500 00 03.762+24 57 40.85 20.92GVEY110F52
K20B08D C2023 12 29.30651300 00 10.072+24 58 20.97 20.51GVEY110F52
K20B08D C2023 12 29.31434800 00 16.479+24 59 01.59 20.49GVEY110F52
K20B08D C2023 12 30.31285200 13 53.033+26 22 23.22 19.82iXEY110F52
K20B08D C2023 12 30.32011600 13 58.916+26 22 58.13 20.52iXEY110F52
K20B08D C2023 12 30.32739600 14 04.822+26 23 32.45 20.14iXEY110F52
K20B08D KB2023 12 30.77289 00 20 11.508+26 58 29.53 20.6 VZEY110J57
K20B08D KB2023 12 30.78679 00 20 22.766+26 59 34.15 20.3 VZEY110J57
K20B08D KB2023 12 30.80047 00 20 33.787+27 00 37.26 20.6 VZEY110J57
K20B08D KB2023 12 31.03189 00 23 43.75 +27 18 16.7 20.2 GXEY110H36
K20B08D KB2023 12 31.03671 00 23 47.61 +27 18 38.0 19.9 GXEY110H36
K20B08D KB2023 12 31.04152 00 23 51.47 +27 18 59.9 20.5 GXEY110H36
K20B08D KB2023 12 31.04634 00 23 55.29 +27 19 21.1 19.9 GXEY110H36
K20B08D KC2023 12 31.08988 00 24 30.93 +27 22 42.2 19.9 RVEY110691
K20B08D KC2023 12 31.09503 00 24 35.07 +27 23 05.2 19.9 RVEY110691
K20B08D KC2023 12 31.10017 00 24 39.19 +27 23 27.5 19.8 RVEY110691
Observer details:
691 Steward Observatory, Kitt Peak-Spacewatch. Observer T. H. Bressi. 0.9-m
f/3 reflector + CCD.
F51 Pan-STARRS 1, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Herman, T. Lowe, P. Minguez, A.
Schultz, I. Smith. Measurers K. Chambers, T. de Boer, J. Fairlamb, H.
Gao, M. Huber, C.-C. Lin, E. Magnier, Y. Ramanjooloo, R. Wainscoat, R.
Weryk. 1.8-m Ritchey-Chretien + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m f/4.8 reflector +
CMO.
J57 Centro Astronomico Alto Turia, Valencia. Observer A. Fornas. Measurers
A. fornas, G. Fornas, E. Arce, V. Mas. 0.43-m f/6.8 Reflector 0.4m + CMO.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
231229 F52 142- 7- 231231 691 133- 10- MPO545163 -56.2 days
Orbital elements:
2020 BD8 Earth MOID = 0.0634 AU
Epoch 2023 Sept. 13.0 TT = JDT 2460200.5 Veres
M 344.34028 (2000.0) P Q
n 0.24812346 Peri. 24.52084 +0.97006751 -0.24229527
a 2.5081731 Node 349.46264 +0.20562029 +0.85503796
e 0.7051910 Incl. 5.07818 +0.12918715 +0.45847911
P 3.97 H 20.95 G 0.15 U 1
Residuals in seconds of arc
200123 G96 0.3+ 0.1+ 200124 033 0.5+ 0.1+ 231229 F51 0.4+ 0.2+
200123 G96 1.0- 0.2- 200124 033 0.5+ 0.1+ 231229 F52 0.3- 0.1-
200123 G96 0.3- 0.0 200125 V06 0.0 0.2+ 231229 F51 0.1- 0.1-
200123 G96 0.3- 0.1+ 200125 V06 0.3- 0.1+ 231229 F52 0.0 0.1+
200123 G96 0.5- 0.0 200125 V06 0.1+ 0.2+ 231229 F52 0.7- 0.3-
200123 G96 0.2- 0.0 200125 V06 0.1- 0.2- 231229 F52 0.6+ 0.2+
200123 G96 1.1- 0.1+ 200126 291 0.0 0.2- 231230 F52 0.2- 0.3-
200123 033 0.1+ 0.1- 200126 291 0.1+ 0.1+ 231230 F52 0.2- 0.2+
200123 033 0.2- 0.3- 200126 291 0.2+ 0.0 231230 F52 0.0 0.0
200123 033 0.5- 0.2- 200126 T12 0.0 0.0 231230 J57 0.4- 0.3-
200124 V06 0.2+ 0.2+ 200126 T12 0.1- 0.1- 231230 J57 0.4+ 0.2+
200124 V06 0.0 0.1- 200126 T12 0.0 0.0 231230 J57 0.2+ 0.4+
200124 V06 0.3- 0.1+ 200127 691 0.2- 0.0 231231 H36 0.8+ 0.5+
200124 V06 0.1- 0.1- 200127 691 0.3+ 0.3- 231231 H36 0.5+ 0.1+
200124 H01 0.2+ 0.0 200127 691 0.5+ 0.1+ 231231 H36 0.3+ 0.3+
200124 H01 0.1+ 0.1+ 200128 291 0.3- 0.0 231231 H36 0.5- 0.2-
200124 H01 0.1+ 0.1- 200128 291 0.2- 0.0 231231 691 0.0 0.3+
200124 H01 0.2+ 0.1+ 200128 291 0.2- 0.1- 231231 691 0.1- 0.2+
200124 033 0.1- 0.1+ 231229 F52 0.2- 0.0 231231 691 0.3- 0.5-
Ephemeris:
2020 BD8 a,e,i = 2.51, 0.71, 5 q = 0.7394
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2023 12 01 19 52 03.8 -12 51 37 0.4146 0.7854 49.8 106.4 22.5
...
2023 12 16 21 28 09.2 +02 48 02 0.2695 0.8958 63.2 101.2 21.5
...
2023 12 24 22 51 11.4 +16 14 38 0.2326 0.9705 80.0 86.4 20.8
...
2023 12 30 00 09 38.2 +25 56 56 0.2349 1.0307 95.0 71.9 20.4
2023 12 31 00 23 17.3 +27 15 55 0.2380 1.0410 97.4 69.5 20.4
2024 01 01 00 36 54.0 +28 28 02 0.2418 1.0513 99.7 67.2 20.3
...
2024 01 07 01 53 44.4 +33 14 49 0.2781 1.1143 111.1 55.4 20.4
...
2024 01 15 03 12 49.6 +34 52 39 0.3540 1.2000 119.9 45.3 20.8
...
2024 01 30 04 39 56.2 +33 14 41 0.5454 1.3618 123.1 37.3 21.8
A. U. Tomatic (C) Copyright 2023 MPC M.P.E.C. 2023-Y110
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