MPEC 2020-B224 : 2012 RK15
The following Minor Planet Electronic Circular may be linked-to from your own Web pages, but must not otherwise be redistributed electronically.A form allowing access to any MPEC is at the bottom of this page.
Read MPEC 2020-B223
Read MPEC 2020-B225
M.P.E.C. 2020-B224 Issued 2020 January 28, 04:37 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
2012 RK15
Revision to MPEC 2012-S8
Additional Observations:
K12R15K C2020 01 25.61309014 01 54.561+08 02 19.70 18.47GVEB224F52
K12R15K C2020 01 25.63854013 59 45.897+08 09 18.20 17.51GVEB224F52
K12R15K C2020 01 25.65132213 58 41.543+08 12 45.79 19.24GVEB224F52
K12R15K C2020 01 26.61679212 52 39.84 +11 26 46.9 17.88cVEB224T05
K12R15K C2020 01 26.62654812 52 05.71 +11 28 09.7 17.91cVEB224T05
K12R15K C2020 01 26.63678612 51 30.06 +11 29 35.8 18.02cVEB224T05
K12R15K *C2020 01 27.27650 12 20 10.47 +12 40 37.2 17.4 GVEB224G40
K12R15K *C2020 01 27.28233 12 19 55.05 +12 41 06.5 17.5 GVEB224G40
K12R15K *C2020 01 27.28756 12 19 41.28 +12 41 33.3 17.6 GVEB224G40
K12R15K C2020 01 27.51930512 10 34.96 +13 00 52.6 17.87cVEB224T05
K12R15K C2020 01 27.52494512 10 21.44 +13 01 18.1 18.19cVEB224T05
K12R15K C2020 01 27.52779812 10 14.48 +13 01 32.0 18.25cVEB224T05
K12R15K C2020 01 27.53992512 09 45.41 +13 02 26.4 17.70cVEB224T05
K12R15K KC2020 01 27.90387 11 56 57.65 +13 24 13.3 18.4 GVEB224K96
K12R15K KC2020 01 27.90560 11 56 54.21 +13 24 20.1 18.3 GVEB224K96
K12R15K KC2020 01 27.90836 11 56 48.75 +13 24 29.9 18.0 GVEB224K96
Observer details:
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, M. Willman. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk. 1.8-m Ritchey-Chretien + CCD.
G40 Slooh.com Canary Islands Observatory. Observer M. Suzuki. 0.43-m f/6.8
Corrected Dall-Kirkham + CCD.
K96 Savelli Observatory. Observers A. Brosio, A. De Pieri. 0.5-m f/8.0
Ritchey-Chretien + CCD.
T05 ATLAS-HKO, Haleakala. Observers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling. Measurers L. Denneau, J. Tonry, A. Heinze, H.
Weiland, H. Flewelling, B. Stalder, A. Fitzsimmons, J. Robinson, N. Erasmus.
0.5-m reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or zero decimals in degrees), reference and Delta-T
200125 F52 144- 3- 200127 K96 142- 18- MPO240066 +2.53 days
Orbital elements:
2012 RK15 Earth MOID = 0.0043 AU
Epoch 2020 May 31.0 TT = JDT 2459000.5 Bell
M 46.39459 (2000.0) P Q
n 0.27901890 Peri. 29.06066 +0.44929009 -0.89337645
a 2.3194248 Node 34.24166 +0.81824611 +0.40964844
e 0.6661978 Incl. 0.41901 +0.35862477 +0.18457160
P 3.53 H 23.5 G 0.15 U 0
Residuals in seconds of arc
120914 703 0.3- 0.3+ 120916 G48 0.8- 0.1+ 120919 807 0.2+ 0.1+
120914 703 0.4- 1.1+ 120916 G48 1.3- 0.1- 120919 807 0.0 0.0
120914 703 0.1- 0.5+ 120916 H21 0.3- 0.2+ 120919 807 0.1+ 0.0
120914 703 0.3- 0.7+ 120916 651 0.1+ 0.7+ 120919 807 0.0 0.1-
120914 703 0.1+ 0.3- 120916 651 0.1- 0.2- 120920 704 1.6+ 0.6+
120914 703 0.8+ 0.4+ 120916 651 1.2+ 0.8+ 120920 704 0.4+ 0.2-
120914 703 0.1+ 0.6- 120916 474 0.9+ 0.0 120920 704 0.2+ 0.2-
120914 703 0.2+ 0.1- 120916 474 0.0 0.3+ 120920 704 1.7+ 0.2-
120914 204 0.2- 1.2+ 120916 474 0.5- 0.1- 120921 807 0.0 0.1+
120914 J95 0.5- 0.2- 120916 474 1.0+ 0.6+ 120921 807 0.2- 0.2-
120914 204 0.2- 0.1- 120916 474 1.1- 0.4- 120921 807 0.3- 0.2-
120914 J95 0.2- 0.4- 120916 D90 0.0 0.0 120921 807 0.4- 0.4-
120914 J95 0.4+ 0.3- 120916 D90 0.2- 0.0 120921 807 0.4- 0.3-
120914 J04 0.0 0.3+ 120916 D90 0.0 0.1- 200125 F52 0.1- 0.0
120914 J04 0.1+ 0.3+ 120917 807 0.0 0.1- 200125 F52 0.1+ 0.0
120914 J04 0.1- 0.2+ 120917 807 0.1- 0.1- 200125 F52 0.5- 0.1+
120915 470 0.1+ 0.4- 120917 807 0.1+ 0.0 200126 T05 0.5+ 0.0
120915 470 0.6- 0.0 120917 807 0.2+ 0.0 200126 T05 0.5+ 0.1-
120915 470 0.2+ 0.3+ 120917 807 0.2+ 0.0 200126 T05 0.7+ 0.0
120915 470 0.3+ 0.3+ 120918 474 0.0 0.1+ 200127 G40 0.9- 0.4+
120915 I93 0.0 0.4+ 120918 474 0.0 0.2+ 200127 G40 0.5- 0.3-
120915 I93 0.0 0.3+ 120918 474 0.4+ 0.1+ 200127 G40 0.2+ 0.3-
120915 I93 0.3- 0.0 120918 474 0.3- 0.2+ 200127 T05 0.2- 0.2+
120915 807 0.1- 0.0 120919 H21 0.3+ 0.1- 200127 T05 0.8+ 0.2-
120915 807 0.1+ 0.0 120919 H21 0.1+ 0.1- 200127 T05 0.6- 0.6+
120915 807 0.0 0.1- 120919 H21 0.2- 0.5- 200127 T05 0.0 0.0
120916 H21 0.1- 0.5+ 120919 474 0.4- 0.1+ 200127 K96 0.7- 0.3-
120916 G48 0.8- 0.0 120919 474 0.1+ 0.0 200127 K96 0.2- 0.1+
120916 H21 0.2+ 0.1+ 120919 474 0.9- 0.2- 200127 K96 0.9+ 0.2-
Ephemeris:
2012 RK15 a,e,i = 2.32, 0.67, 0 q = 0.7742
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2019 12 29 21 04 21.9 -15 39 16 0.2504 0.7986 37.3 131.8 25.9
...
2020 01 13 20 48 45.3 -14 16 34 0.1055 0.8844 19.0 158.8 28.9
...
2020 01 21 19 22 12.6 -11 17 14 0.03738 0.9478 14.3 165.1 29.4
...
2020 01 27 12 32 48.5 +12 14 57 0.02933 1.0006 122.4 56.1 17.9
2020 01 28 11 53 40.4 +13 31 44 0.03625 1.0098 133.0 45.5 18.1
2020 01 29 11 27 16.4 +14 10 33 0.04386 1.0190 140.4 38.1 18.3
...
2020 02 04 10 24 21.1 +15 00 02 0.09461 1.0757 161.4 17.0 19.4
...
2020 02 12 10 00 57.4 +15 03 46 0.1678 1.1541 174.6 4.6 20.3
...
2020 02 27 09 47 24.0 +14 54 05 0.3214 1.3047 166.4 10.3 22.3
A. U. Tomatic (C) Copyright 2020 MPC M.P.E.C. 2020-B224
Read MPEC 2020-B223
Read MPEC 2020-B225
Enter an MPEC number in one of the following forms:
- 1997-B01 (the full form)
- J97B01 (the packed version of the full form)
- B01 (the abbreviated form)