MPEC 2021-R332 : 2021 RL15
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M.P.E.C. 2021-R332 Issued 2021 September 14, 20:23 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
2021 RL15
Observations:
K21R15L C2021 09 13.23807 22 06 36.58 +12 14 27.1 20.3 GVER332703
K21R15L C2021 09 13.24335 22 06 44.84 +12 13 21.7 20.3 GVER332703
K21R15L C2021 09 13.24863 22 06 53.04 +12 12 15.5 20.3 GVER332703
K21R15L* C2021 09 13.91514 22 24 55.55 +09 53 35.4 19.1 RoER332K88
K21R15L C2021 09 13.91918 22 25 01.59 +09 52 45.7 19.6 RoER332K88
K21R15L C2021 09 13.93974 22 25 32.46 +09 48 32.9 19.3 RoER332K88
K21R15L C2021 09 13.94303 22 25 37.44 +09 47 51.6 19.4 RoER332K88
K21R15L KC2021 09 13.95944 22 26 02.05 +09 44 28.3 19.6 RoER332K88
K21R15L KC2021 09 13.96137622 26 06.13 +09 44 15.5 19.9 GVER332L01
K21R15L KC2021 09 13.96257022 26 07.93 +09 44 01.3 20.0 GVER332L01
K21R15L KC2021 09 13.96376622 26 09.72 +09 43 46.4 20.1 GVER332L01
K21R15L KC2021 09 13.96438 22 26 09.53 +09 43 26.4 19.8 RoER332K88
K21R15L KC2021 09 13.96496122 26 11.51 +09 43 31.1 20.0 GVER332L01
K21R15L KC2021 09 13.96615322 26 13.28 +09 43 16.5 19.9 GVER332L01
K21R15L KC2021 09 13.97796 22 26 30.42 +09 40 32.8 19.5 GVER332G02
K21R15L KC2021 09 13.98006 22 26 35.33 +09 40 23.2 VER332204
K21R15L KC2021 09 13.98301 22 26 38.04 +09 39 30.2 19.4 GVER332G02
K21R15L KC2021 09 13.98816 22 26 45.80 +09 38 26.0 19.8 GVER332G02
K21R15L KC2021 09 13.98844 22 26 47.86 +09 38 38.9 19.8 GVER332204
K21R15L KC2021 09 14.15978422 31 25.22 +09 04 01.5 19.9 VuER332H21
K21R15L KC2021 09 14.16171322 31 28.01 +09 03 37.9 20.1 VuER332H21
K21R15L KC2021 09 14.16409222 31 31.51 +09 03 08.8 20.1 VuER332H21
K21R15L C2021 09 14.16731 22 31 43.89 +09 02 43.6 19.6 GVER332654
K21R15L C2021 09 14.20310 22 32 36.48 +08 55 30.4 19.4 GVER332654
K21R15L C2021 09 14.23655 22 33 25.13 +08 48 44.4 20.0 GVER332654
Observer details:
204 Schiaparelli Observatory. Observer L. Buzzi. 0.84-m f/3.5 reflector +
CCD.
654 Table Mountain Observatory, Wrightwood-PHMC. Observers P. Choi, N. Saini,
C. Zhai, R. Trahan, M. Shao.
703 Catalina Sky Survey. Observer K. W. Wierzchos. Measurers B. Gray, D.
Rankin, F. C. Shelly. 0.68-m Schmidt + 10K CCD.
G02 KYSUCE Observatory, Kysucke Nove Mesto. Observer M. Urbanik.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, R. Holmes, L. Horn. 0.76-m f/3.0 astrograph + CCD.
K88 GINOP-KHK, Piszkesteto. Observer C. Kalup. Measurer K. Sarneczky.
0.60-m Schmidt + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
Orbital elements:
2021 RL15 Earth MOID = 0.0273 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Veres
M 333.04347 (2000.0) P Q
n 0.52089187 Peri. 154.86675 +0.86357469 +0.50408456
a 1.5298106 Node 174.81673 -0.48176952 +0.83176168
e 0.3355009 Incl. 7.45808 -0.14878469 +0.23253228
P 1.89 H 26.64 G 0.15 U 7
Residuals in seconds of arc
210913 703 0.3- 0.4+ 210913 L01 0.4- 0.4+ 210913 204 0.3- 0.1-
210913 703 0.2+ 0.2+ 210913 L01 0.3- 0.3+ 210914 H21 0.2+ 0.1-
210913 703 0.0 0.7- 210913 K88 0.3+ 0.3- 210914 H21 0.4- 0.1-
210913 K88 1.1+ 0.9- 210913 L01 0.3- 0.2- 210914 H21 0.0 0.2-
210913 K88 0.8+ 0.8- 210913 L01 0.5- 0.1- 210914 654 0.0 0.1-
210913 K88 0.1+ 0.8+ 210913 G02 1.1+ 0.0 210914 654 0.0 0.0
210913 K88 0.6+ 0.2+ 210913 204 0.1- 0.4+ 210914 654 0.1+ 0.0
210913 K88 0.4- 0.3+ 210913 G02 1.0+ 0.1+
210913 L01 0.5- 0.3- 210913 G02 1.0+ 0.2-
Ephemeris:
2021 RL15 a,e,i = 1.53, 0.34, 7 q = 1.0166
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 08 15 16 16 29.8 +27 18 00 0.1081 1.0221 91.9 82.1 24.7
...
2021 08 30 17 21 31.7 +29 04 20 0.05834 1.0174 96.0 80.8 23.3
...
2021 09 07 19 15 05.2 +27 04 01 0.03534 1.0237 115.9 62.4 21.7
...
2021 09 13 21 59 54.8 +13 05 13 0.02914 1.0323 153.1 26.1 20.2
2021 09 14 22 27 09.8 +09 39 22 0.02984 1.0341 160.0 19.4 20.1
2021 09 15 22 52 17.5 +06 18 22 0.03103 1.0359 166.5 13.1 19.9
...
2021 09 21 00 34 03.6 -07 47 40 0.04561 1.0486 167.5 12.0 20.8
...
2021 09 29 01 29 55.3 -14 45 03 0.07417 1.0700 155.9 22.5 22.2
...
2021 10 14 02 00 55.1 -17 23 20 0.1379 1.1215 152.3 24.5 23.7
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-R332
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