MPEC 2022-L05 : 2008 KB12
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M.P.E.C. 2022-L05 Issued 2022 June 1, 23:25 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
2008 KB12
Revision to MPEC 2008-L1
Additional Observations:
K08K12B C2022 05 27.55921920 19 45.076-27 47 49.53 21.00wUEL005F52
K08K12B C2022 05 27.57071520 19 47.131-27 49 02.09 20.94wUEL005F52
K08K12B C2022 05 27.58223820 19 49.199-27 50 15.02 21.03wUEL005F52
K08K12B C2022 05 27.59375220 19 51.259-27 51 27.90 21.04wUEL005F52
K08K12B 1C2022 05 28.11269120 21 32.011-28 45 57.56 20.6 GVEL005Z84
K08K12B KC2022 05 28.42256720 22 31.631-29 18 18.36 20.62GVEL005I52
K08K12B KC2022 05 28.42393420 22 31.912-29 18 26.86 20.89GVEL005I52
K08K12B KC2022 05 28.42529620 22 32.178-29 18 35.75 20.28GVEL005I52
K08K12B KC2022 05 28.42665820 22 32.408-29 18 44.14 20.92GVEL005I52
K08K12B KC2022 05 29.44692020 25 48.292-31 04 26.90 21.00GVEL005I52
K08K12B KC2022 05 29.45307720 25 49.386-31 05 04.99 20.67GVEL005I52
K08K12B KC2022 05 29.45461220 25 49.660-31 05 14.78 20.85GVEL005I52
K08K12B KC2022 05 29.45773020 25 50.228-31 05 34.15 20.59GVEL005I52
K08K12B ^C2022 06 01.58846920 35 46.274-36 19 34.36 20.63GVEL005568
K08K12B ^C2022 06 01.58944620 35 46.437-36 19 39.99 20.82GVEL005568
K08K12B ^C2022 06 01.59042620 35 46.611-36 19 45.84 20.74GVEL005568
Observer details:
568 Mauna Kea. Observers R. Wainscoat, H. Januszewski, T. Burdullis.
Measurers R. Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope +
CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, T. Lowe, A. Schultz, I.
Smith. Measurers K. Chambers, S. Chastel, 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.
I52 Steward Observatory, Mt. Lemmon Station. Observer A. Serrano. Measurers
E. J. Christensen, 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, A. Serrano, F. C. Shelly, K. W.
Wierzchos. 1.0-m prime focus + CCD.
Z84 Calar Alto-Schmidt. Observers M. Micheli, L. Conversi, R. Kresken, E.
Petrescu, D. Fohring, D. Koschny, E. Schwab. Measurer M. Micheli.
0.8-m f/3 Schmidt + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
220527 F52 25- 4- 220601 568 23- 1- MPO140774 -16.7 days
Orbital elements:
2008 KB12 Earth MOID = 0.1629 AU
Epoch 2022 Jan. 21.0 TT = JDT 2459600.5 Veres
M 337.55682 (2000.0) P Q
n 0.21151248 Peri. 164.10895 -0.51477718 +0.74060826
a 2.7898363 Node 73.00314 -0.82754000 -0.29762478
e 0.5831325 Incl. 26.84548 -0.22401339 -0.60242751
P 4.66 H 21.56 G 0.15 U 0
Residuals in seconds of arc
080529 A50 0.0 0.4- 080602 H55 0.0 0.3+ 080630 474 0.1- 1.2+
080529 A50 0.4+ 0.8- 080602 H55 0.3- 1.0+ 080630 474 0.2+ 0.7+
080529 A50 0.3+ 0.9- 080602 F85 0.5+ 0.3- 080630 474 0.2+ 0.8+
080529 A50 0.1+ 0.3- 080602 F85 1.2+ 1.2+ 220527 F52 0.2- 0.5-
080529 A50 0.3- 0.4- 080602 A50 1.2+ 0.0 220527 F52 0.2- 0.3-
080529 A50 0.3+ 0.6- 080602 A50 0.4+ 1.1+ 220527 F52 0.1- 0.4-
080529 A50 0.4+ 0.0 080602 A50 1.0+ 1.3+ 220527 F52 0.1- 0.5-
080529 A50 0.8- 0.5+ 080602 A50 1.4+ 0.2+ 220528 Z84 0.2- 0.2-
080529 A50 0.1- 0.1+ 080602 A50 0.3+ 0.5+ 220528 I52 0.5- 0.2-
080531 A50 0.2+ 0.7+ 080602 A50 0.6+ 0.4- 220528 I52 0.1- 0.1-
080531 A50 0.1+ 0.0 080602 A50 0.0 1.0+ 220528 I52 0.2+ 0.5-
080531 A50 0.0 0.3+ 080605 304 0.2+ 1.1- 220528 I52 0.0 0.3-
080531 A50 0.5- 0.4- 080605 304 0.1- 1.1- 220529 I52 0.2- 0.1-
080531 A50 0.2+ 0.3+ 080605 304 0.0 0.4- 220529 I52 0.3- 0.0
080531 151 1.0- 0.9+ 080605 304 0.1- 0.3- 220529 I52 0.3- 0.3-
080531 151 0.2- 0.4+ 080605 304 0.1+ 0.2- 220529 I52 0.1- 0.4-
080531 151 0.1- 0.1- 080605 304 0.0 0.1- 220601 568 0.1+ 0.1+
080601 I77 0.3- 0.6+ 080605 304 0.1+ 0.4- 220601 568 0.0 0.2+
080601 I77 0.2+ 0.4+ 080605 304 0.0 1.3- 220601 568 0.1+ 0.1+
080601 I77 0.7+ 0.3+ 080630 474 0.7+ 0.3+
080602 H55 0.2- 0.2+ 080630 474 0.0 1.0+
Ephemeris:
2008 KB12 a,e,i = 2.79, 0.58, 27 q = 1.1630
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2022 05 02 18 58 59.4 +11 20 32 0.3370 1.1646 109.6 54.6 21.5
...
2022 05 17 19 45 40.3 -09 17 17 0.2775 1.1692 118.5 49.5 21.0
...
2022 05 25 20 11 28.8 -23 15 48 0.2697 1.1831 123.5 45.6 20.8
...
2022 05 31 20 30 44.8 -33 41 53 0.2770 1.1985 126.2 43.0 20.8
2022 06 01 20 33 54.8 -35 21 24 0.2792 1.2015 126.6 42.7 20.8
2022 06 02 20 37 03.5 -36 58 58 0.2818 1.2045 126.9 42.3 20.9
...
2022 06 08 20 55 21.6 -45 55 23 0.3026 1.2252 128.1 40.7 21.0
...
2022 06 16 21 17 15.6 -55 23 38 0.3426 1.2582 128.5 39.2 21.3
...
2022 07 01 21 43 28.8 -66 30 07 0.4418 1.3343 127.9 37.0 21.9
A. U. Tomatic (C) Copyright 2022 MPC M.P.E.C. 2022-L05
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