MPEC 2022-P98 : 2008 RW
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M.P.E.C. 2022-P98 Issued 2022 August 9, 14:25 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 RW
Revision to MPEC 2008-R19
Additional Observations:
K08R00W C2022 08 06.37172221 35 19.550-14 06 57.17 21.20wUEP098F52
K08R00W C2022 08 06.38320421 35 19.723-14 07 08.01 21.24wUEP098F52
K08R00W C2022 08 06.39469821 35 19.897-14 07 18.87 21.32wUEP098F52
K08R00W KC2022 08 07.21938221 35 42.04 -14 20 30.9 20.7 VuEP098H21
K08R00W KC2022 08 07.22373021 35 42.12 -14 20 35.1 21.0 VuEP098H21
K08R00W KC2022 08 07.22749821 35 42.18 -14 20 38.8 20.9 VuEP098H21
K08R00W KC2022 08 07.31888 21 35 43.89 -14 22 09.9 20.6 rqEP098H36
K08R00W KC2022 08 07.33174 21 35 44.07 -14 22 21.0 20.8 rqEP098H36
K08R00W KC2022 08 07.34457 21 35 44.24 -14 22 33.7 20.4 rqEP098H36
K08R00W C2022 08 07.35441121 35 45.156-14 22 42.14 20.8 GVEP098654
K08R00W C2022 08 07.39238521 35 45.749-14 23 19.26 20.6 GVEP098654
K08R00W C2022 08 07.42883821 35 46.313-14 23 54.73 20.9 GVEP098654
K08R00W |C2022 08 09.26884 21 36 39.68 -14 55 36.8 20.6 GVEP098807
K08R00W |C2022 08 09.27106 21 36 39.70 -14 55 39.1 20.5 GVEP098807
K08R00W |C2022 08 09.27342 21 36 39.72 -14 55 41.6 20.6 GVEP098807
Observer details:
654 Table Mountain Observatory, Wrightwood-PHMC. Observers N. Evans, P. Choi,
N. Saini, C. Zhai, R. Trahan, M. Shao. 1.0-m Reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 1.00-m f/10.0 astrograph + 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.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 1.3-m f/4.0 astrograph + CCD.
H36 Sandlot Observatory, Scranton. Observer G. Hug. 0.56-m f/4.8 .56 meter
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
220806 F52 11- 3- 220809 807 13- 3- MPO143315 -3.06 days
Orbital elements:
2008 RW Earth MOID = 0.0449 AU
Epoch 2022 Aug. 9.0 TT = JDT 2459800.5 Veres
M 336.26427 (2000.0) P Q
n 0.35198253 Peri. 255.91639 +0.84881525 -0.52597632
a 1.9866528 Node 135.78392 +0.50983151 +0.78755473
e 0.5334915 Incl. 4.39938 +0.13994468 +0.32110194
P 2.80 H 22.89 G 0.15 U 0
Residuals in seconds of arc
080902 E12 0.2+ 0.5+ 080902 E12 0.3+ 0.2+ 080905 474 0.5+ 0.0
080902 E12 0.2- 0.0 080902 E12 0.1+ 0.4- 080911 E12 0.1- 0.1-
080902 E12 0.2- 0.1+ 080902 E12 0.3+ 0.0 080911 E12 0.1+ 0.1+
080902 E12 0.1+ 0.2+ 080902 E12 0.1- 0.2+ 220806 F52 0.2- 0.0
080902 E12 0.3- 0.4+ 080902 E12 0.2+ 0.7- 220806 F52 0.1- 0.0
080902 E12 0.2+ 0.1- 080902 E12 0.0 0.6- 220806 F52 0.1+ 0.0
080902 E12 0.3+ 0.0 080903 I77 1.0- 0.8+ 220807 H21 0.0 0.3+
080902 E12 0.4+ 0.2+ 080903 I77 0.8- 1.2+ 220807 H21 0.1+ 0.4+
080902 E12 0.1+ 0.0 080903 I77 0.2+ 0.3+ 220807 H21 0.1+ 0.4+
080902 E12 0.0 0.0 080903 673 0.2+ 0.1- 220807 H36 0.4+ 1.3-
080902 E12 0.3+ 0.4- 080903 673 0.1+ 0.6- 220807 H36 0.0 0.2+
080902 E12 0.1+ 0.3+ 080903 673 0.3+ 0.6- 220807 H36 0.5- 0.1-
080902 E12 0.1+ 0.3- 080903 673 0.7+ 0.7- 220807 654 0.0 0.1-
080902 E12 0.2+ 0.0 080905 474 0.1+ 0.0 220807 654 0.3+ 0.0
080902 E12 0.3+ 0.3- 080905 474 0.1- 0.1- 220807 654 0.1+ 0.1-
080902 E12 0.3- 0.4+ 080905 474 0.1+ 0.2- 220809 807 0.1- 0.3-
080902 E12 0.2+ 0.0 080905 474 0.3+ 0.0 220809 807 0.3- 0.1-
080902 E12 0.1- 0.9- 080905 474 0.4+ 0.2- 220809 807 0.6- 0.0
Ephemeris:
2008 RW a,e,i = 1.99, 0.53, 4 q = 0.9268
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2022 07 10 21 21 52.3 -11 19 33 0.5095 1.4735 147.9 21.5 23.3
...
2022 07 25 21 30 02.0 -12 00 28 0.3574 1.3581 160.6 14.4 22.1
...
2022 08 02 21 33 26.3 -13 08 35 0.2871 1.2971 167.9 9.4 21.4
...
2022 08 08 21 36 03.3 -14 33 04 0.2392 1.2520 173.6 5.2 20.7
2022 08 09 21 36 32.4 -14 50 48 0.2316 1.2446 174.5 4.5 20.6
2022 08 10 21 37 02.8 -15 09 45 0.2240 1.2372 175.4 3.8 20.5
...
2022 08 16 21 40 48.2 -17 35 03 0.1810 1.1934 176.3 3.1 19.9
...
2022 08 24 21 49 52.9 -23 00 12 0.1290 1.1373 167.3 11.3 19.4
...
2022 09 08 23 39 01.7 -54 25 47 0.05301 1.0431 131.0 46.8 18.4
A. U. Tomatic (C) Copyright 2022 MPC M.P.E.C. 2022-P98
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