MPEC 2021-R344 : 2021 RO16
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M.P.E.C. 2021-R344 Issued 2021 September 15, 11:06 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 RO16
Observations:
K21R16O* C2021 09 14.44873100 03 50.93 -27 19 34.6 18.83oVER344T08
K21R16O C2021 09 14.45199200 03 49.74 -27 18 09.5 17.75oVER344T08
K21R16O C2021 09 14.48603800 03 37.59 -27 03 23.3 18.93oVER344T08
K21R16O C2021 09 14.51411600 03 27.88 -26 51 18.5 18.29oVER344T08
K21R16O pC2021 09 14.88954200 03 16.48 -24 28 09.3 VER344595
K21R16O pC2021 09 14.89814900 03 14.59 -24 25 10.6 18.3 GVER344595
K21R16O KC2021 09 14.91998500 03 09.40 -24 17 39.7 18.0 GVER344595
K21R16O hC2021 09 14.93868200 03 04.87 -24 11 13.3 19.1 GVER344L01
K21R16O hC2021 09 14.93972100 03 04.59 -24 10 52.2 19.1 GVER344L01
K21R16O hC2021 09 14.94050100 03 04.40 -24 10 35.7 19.1 GVER344L01
K21R16O IC2021 09 14.94231900 03 03.92 -24 09 58.7 18.9 GVER344L01
K21R16O IC2021 09 14.94309700 03 03.71 -24 09 42.5 19.1 GVER344L01
K21R16O KC2021 09 14.95603 00 02 58.30 -24 05 30.3 18.8 GXER344G02
K21R16O KC2021 09 14.95919 00 02 57.59 -24 04 25.4 18.9 GXER344G02
K21R16O KC2021 09 14.96248 00 02 56.81 -24 03 17.7 18.9 GXER344G02
K21R16O |C2021 09 15.18746 00 02 41.83 -22 41 34.8 uER344807
K21R16O |C2021 09 15.19144 00 02 40.80 -22 40 22.0 19.1 VuER344807
K21R16O |C2021 09 15.19537 00 02 39.73 -22 39 09.9 19.1 VuER344807
Observer details:
595 Farra d'Isonzo. Observer E. Pettarin. 0.61-m f/4.5 reflector + CCD.
807 Cerro Tololo Observatory, La Serena. Observers T. Linder, R. Holmes, L.
Horn. 0.61-m f/6.5 astrograph + CCD.
G02 KYSUCE Observatory, Kysucke Nove Mesto. Observer M. Urbanik. 0.40-m
f/4.5 Corrected Dall-Kirkham + CCD.
L01 Visnjan Observatory, Tican. Observer K. Korlevic. 1.0-m f/2.9 reflector
+ CCD.
T08 ATLAS-MLO, Mauna Loa. Observers L. Denneau, J. Tonry, H. Weiland.
Measurers L. Denneau, J. Tonry, H. Weiland, A. Fitzsimmons, J. Robinson,
N. Erasmus. 0.5-m reflector + CCD.
Orbital elements:
2021 RO16 Earth MOID = 0.0056 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Veres
M 350.95752 (2000.0) P Q
n 0.76681083 Peri. 194.57335 +0.15483359 +0.98791672
a 1.1821626 Node 84.33414 -0.90572605 +0.14471977
e 0.2629342 Incl. 0.39517 -0.39457178 +0.05546832
P 1.29 H 26.54 G 0.15 U 7
Residuals in seconds of arc
210914 T08 0.5- 0.0 210914 595 0.5+ 0.1+ 210914 G02 0.9+ 0.5-
210914 T08 0.6- 0.1+ 210914 L01 0.8+ 0.0 210914 G02 1.4+ 0.5-
210914 T08 0.7+ 1.0+ 210914 L01 0.5+ 0.2- 210914 G02 1.3+ 0.4-
210914 T08 0.1- 1.1- 210914 L01 0.5+ 0.3+ 210915 807 0.0 0.3+
210914 595 0.8- 0.1- 210914 L01 0.0 0.0 210915 807 0.1+ 0.1-
210914 595 0.6+ 0.1+ 210914 L01 0.2- 0.2+ 210915 807 0.5- 0.2-
Ephemeris:
2021 RO16 a,e,i = 1.18, 0.26, 0 q = 0.8713
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 08 16 11 49 06.7 -01 27 31 0.1221 0.9155 35.1 140.5 28.7
...
2021 08 31 11 54 35.4 -07 15 13 0.05062 0.9639 25.1 153.6 29.2
...
2021 09 08 11 50 47.0 -26 23 08 0.01603 0.9943 34.0 145.5 25.2
...
2021 09 14 00 04 53.3 -30 51 15 0.01437 1.0186 151.3 28.3 18.6
2021 09 15 00 02 52.8 -23 43 11 0.01833 1.0227 158.0 21.6 19.0
2021 09 16 00 01 42.6 -19 09 12 0.02249 1.0269 162.3 17.3 19.3
...
2021 09 22 23 59 10.0 -08 39 34 0.04884 1.0521 171.7 7.9 20.7
...
2021 09 30 23 58 19.0 -04 48 21 0.08611 1.0865 170.0 9.2 22.0
...
2021 10 15 00 00 31.2 -02 03 14 0.1645 1.1511 157.7 19.2 23.9
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-R344
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