MPEC 2021-R248 : 2021 RU7
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M.P.E.C. 2021-R248 Issued 2021 September 11, 21:40 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 RU7
Observations:
K21R07U* C2021 09 10.36116201 28 53.29 +27 26 25.1 18.05GVER248703
K21R07U C2021 09 10.36646401 28 44.89 +27 28 16.1 18.13GVER248703
K21R07U C2021 09 10.37176701 28 36.51 +27 30 07.0 18.18GVER248703
K21R07U C2021 09 10.37706801 28 28.12 +27 31 57.9 18.41GVER248703
K21R07U C2021 09 10.44449801 26 41.07 +27 55 13.1 18.27GVER248703
K21R07U C2021 09 10.44727701 26 36.62 +27 56 09.7 18.38GVER248703
K21R07U C2021 09 10.44857701 26 34.52 +27 56 36.9 18.34GVER248703
K21R07U C2021 09 10.44993901 26 32.42 +27 57 03.7 19.17GVER248703
K21R07U C2021 09 10.49233401 25 25.23 +28 11 27.3 18.23GVER248703
K21R07U C2021 09 10.49253701 25 24.98 +28 11 31.3 18.25GVER248703
K21R07U C2021 09 10.49274001 25 24.66 +28 11 35.5 18.14GVER248703
K21R07U C2021 09 10.49294201 25 24.34 +28 11 39.4 18.19GVER248703
K21R07U KC2021 09 10.82013 01 17 23.64 +29 59 44.9 18.5 GVER248104
K21R07U KC2021 09 10.82217 01 17 20.46 +30 00 25.5 18.5 GVER248104
K21R07U KC2021 09 10.82462 01 17 16.74 +30 01 14.6 18.7 GVER248104
K21R07U KC2021 09 10.82787 01 17 11.68 +30 02 19.9 18.5 GVER248104
K21R07U KC2021 09 10.83623801 16 57.49 +30 04 55.2 18.1 GVER248G34
K21R07U 1C2021 09 10.83869 01 16 53.74 +30 05 41.9 19.3 VVER248033
K21R07U 1C2021 09 10.83898 01 16 53.29 +30 05 47.7 19.1 VVER248033
K21R07U 1C2021 09 10.83926 01 16 52.84 +30 05 53.5 19.2 VVER248033
K21R07U KC2021 09 10.84107901 16 49.97 +30 06 32.2 18.0 GVER248G34
K21R07U KC2021 09 10.86253801 16 16.62 +30 13 39.2 18.4 GVER248G34
K21R07U KC2021 09 10.86312 01 16 15.60 +30 13 59.5 17.9 GXER248G02
K21R07U KC2021 09 10.86504301 16 12.75 +30 14 28.4 17.7 GVER248G34
K21R07U KC2021 09 10.86754 01 16 08.70 +30 15 26.4 17.6 GXER248G02
K21R07U KC2021 09 10.87005201 16 04.93 +30 16 08.0 17.4 GVER248G34
K21R07U KC2021 09 10.87244 01 16 01.04 +30 17 03.7 17.7 GXER248G02
K21R07U 1C2021 09 10.88255401 15 45.69 +30 20 21.2 VER248246
K21R07U 1C2021 09 10.88291401 15 45.10 +30 20 28.6 VER248246
K21R07U 1C2021 09 10.88335301 15 44.46 +30 20 36.9 VER248246
K21R07U 1C2021 09 10.88343901 15 44.29 +30 20 38.4 VER248246
K21R07U 1C2021 09 10.88352601 15 44.16 +30 20 39.8 VER248246
K21R07U 1C2021 09 10.88370101 15 43.74 +30 20 43.9 VER248246
K21R07U 1C2021 09 10.88413801 15 43.31 +30 20 52.1 VER248246
K21R07U KC2021 09 10.93343 01 14 26.54 +30 37 13.5 18.2 GVER248104
K21R07U KC2021 09 10.93820 01 14 18.96 +30 38 47.0 18.2 GVER248104
K21R07U KC2021 09 10.94297 01 14 11.39 +30 40 20.7 18.3 GVER248104
K21R07U KC2021 09 10.94857801 14 01.93 +30 42 08.7 17.7 GXER248L01
K21R07U KC2021 09 10.95028601 13 59.22 +30 42 41.7 17.8 GXER248L01
K21R07U KC2021 09 10.95198001 13 56.52 +30 43 14.6 17.7 GXER248L01
K21R07U KC2021 09 10.95865601 13 48.19 +30 45 18.7 18.4 GXER248958
K21R07U KC2021 09 10.96163901 13 43.48 +30 46 16.9 18.3 GXER248958
K21R07U KC2021 09 10.96476701 13 38.53 +30 47 18.2 18.5 GXER248958
K21R07U KC2021 09 10.97886601 13 15.82 +30 52 02.1 18.8 GVER248B49
K21R07U KC2021 09 10.97979201 13 14.34 +30 52 20.0 18.2 GVER248B49
K21R07U KC2021 09 10.98365701 13 08.20 +30 53 34.1 17.9 GVER248B49
K21R07U KC2021 09 10.98657401 13 03.60 +30 54 31.2 18.3 GVER248B49
K21R07U KC2021 09 10.99200 01 12 53.17 +30 56 14.6 17.9 GVER248K83
K21R07U KC2021 09 10.99500 01 12 48.36 +30 57 11.8 18.1 GVER248K83
K21R07U KC2021 09 10.99798 01 12 43.58 +30 58 09.2 18.2 GVER248K83
K21R07U KC2021 09 11.01207 01 12 22.92 +31 02 33.3 18.2 GVER248I93
K21R07U KC2021 09 11.01425 01 12 19.44 +31 03 15.1 18.1 GVER248I93
K21R07U KC2021 09 11.01643 01 12 15.96 +31 03 57.1 18.3 GVER248I93
K21R07U KC2021 09 11.32279501 04 22.49 +32 39 30.3 19.0 VqER248858
K21R07U KC2021 09 11.32956001 04 11.51 +32 41 33.9 18.9 VqER248858
K21R07U KC2021 09 11.33641801 04 00.40 +32 43 38.6 19.2 VqER248858
K21R07U C2021 09 11.76884 00 52 50.67 +34 48 45.4 18.9 GVER248N88
K21R07U C2021 09 11.76916 00 52 50.15 +34 48 50.9 18.8 GVER248N88
K21R07U C2021 09 11.76948 00 52 49.64 +34 48 56.3 18.9 GVER248N88
K21R07U C2021 09 11.76980 00 52 49.12 +34 49 01.7 19.0 GVER248N88
K21R07U C2021 09 11.77012 00 52 48.60 +34 49 06.8 18.9 GVER248N88
K21R07U 1C2021 09 11.78964 00 52 24.23 +34 53 12.3 19.0 VVER248033
K21R07U 1C2021 09 11.78992 00 52 23.77 +34 53 17.3 19.1 VVER248033
K21R07U 1C2021 09 11.79021 00 52 23.30 +34 53 22.4 18.9 VVER248033
K21R07U KC2021 09 11.81821 00 51 39.96 +35 01 18.7 17.7 GVER248A17
K21R07U KC2021 09 11.82451 00 51 30.03 +35 03 06.5 18.5 GVER248A17
K21R07U KC2021 09 11.83388 00 51 16.16 +35 05 56.3 18.8 GVER248G15
K21R07U KC2021 09 11.83867 00 51 07.86 +35 07 05.8 19.5 GVER248A17
K21R07U KC2021 09 11.83953 00 51 07.27 +35 07 31.7 19.2 GVER248G15
K21R07U KC2021 09 11.84530 00 50 58.20 +35 09 09.1 18.2 GVER248G15
K21R07U KC2021 09 11.86614100 50 25.97 +35 14 52.1 17.9 GXER248958
K21R07U KC2021 09 11.87188100 50 17.01 +35 16 29.0 18.8 GXER248958
K21R07U KC2021 09 11.87768000 50 07.75 +35 18 07.6 17.8 GXER248958
Observer details:
033 Karl Schwarzschild Observatory, Tautenburg. Observers S. Melnikov, C.
Hoegner, U. Laux, F. Ludwig, B. Stecklum. Measurer B. Stecklum. 1.34-m
f/3 Schmidt + CCD.
104 San Marcello Pistoiese. Observers P. Bacci, M. Maestripieri. Measurers
P. Bacci, L. Tesi, G. Fagioli. 0.60-m reflector + CCD.
246 Klet Observatory-KLENOT. Observers M. Tichy, J. Ticha, M. Honkova.
Measurer M. Tichy. 1.06-m f/2.7 reflector + 2048x2048 CCD.
703 Catalina Sky Survey. Observer G. J. Leonard. Measurers E. J.
Christensen, G. A. Farneth, D. C. Fuls, A. R. Gibbs, A. D. Grauer, H.
Groeller, R. A. Kowalski, S. M. Larson, G. J. Leonard, T. A. Pruyne, D.
Rankin, R. L. Seaman, F. C. Shelly, K. W. Wierzchos. 0.68-m Schmidt + 10K
CCD.
858 Tebbutt Observatory, Edgewood. Observer F. B. Zoltowski. 0.16-m
refractor + CCD.
958 Observatoire de Dax. Observers P. Dupouy, J. B. de Vanssay. Measurer P.
Dupouy. 0.43-m f/2.7 reflector + CCD, 0.32-m Schmidt-Cassegrain + CCD.
A17 Guidestar Observatory, Weinheim. Observers M. Emmerich, S. Melchert.
0.36-m f/6.0 Schmidt-Cassegrain + CCD.
B49 Paus Observatory, Sabadell. Observer J. Camarasa. 0.30-m f/4.0 reflector
+ CCD.
G02 KYSUCE Observatory, Kysucke Nove Mesto. Observer M. Urbanik.
G15 Magroforte Observatory, Alessandria. Observer A. De Pieri. 0.25-m f/6.7
Schmidt-Cassegrain + CCD.
G34 Oberfrauendorf. Observer T. Felber. 0.35-m f/6.3 Schmidt-Cassegrain +
CCD.
I93 St Pardon de Conques. Observer F. Losse. 0.40-m f/3.7 reflector + CCD.
K83 Beppe Forti Astronomical Observatory, Montelupo. Observers M. Tombelli,
A. Mazzanti, M. Lombardo, M. Iozzi, A. Squilloni, M. Calamandrei.
Measurers M. Tombelli, F. Bernardi. 0.40-m f/8 Ritchey-Chretien + CCD.
L01 Visnjan Observatory, Tican. Observers V. Dobos, F. Hrzenjak, E. Pettarin,
D. Pujagic. Measurer D. Pujagic. 1.0-m f/2.9 reflector + CCD.
N88 Xingming Observatory #3, Nanshan. Observer X. Gao. Measurer Q.-Z. Ye.
0.6-m f/8 Ritchey-Chretien + CCD.
Orbital elements:
2021 RU7 Earth MOID = 0.0267 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Veres
M 42.19665 (2000.0) P Q
n 0.99746341 Peri. 241.10586 -0.64853800 +0.75683766
a 0.9920603 Node 347.41947 -0.50104231 -0.50477577
e 0.1115361 Incl. 21.89146 -0.57302275 -0.41520859
P 0.99 H 23.53 G 0.15 U 7
Residuals in seconds of arc
210910 703 0.1+ 0.0 210910 G34 0.0 0.1- 210911 I93 0.1- 0.1+
210910 703 0.0 0.0 210910 G02 0.1+ 0.3- 210911 I93 0.0 0.1-
210910 703 0.3+ 0.1- 210910 246 0.3+ 0.1- 210911 I93 0.1+ 0.0
210910 703 0.5+ 0.0 210910 246 0.1- 0.2+ 210911 858 0.0 0.1-
210910 703 0.4+ 0.1+ 210910 246 0.5+ 0.2- 210911 858 0.0 0.1-
210910 703 0.1- 0.2- 210910 246 0.1+ 0.4- 210911 858 0.3+ 0.3-
210910 703 0.5- 0.3+ 210910 246 0.2+ 0.7- 210911 N88 0.2+ 0.2-
210910 703 0.3+ 0.7- 210910 246 1.7- 0.1- 210911 N88 0.2+ 0.1-
210910 703 0.6- 0.1+ 210910 246 1.6+ 0.5- 210911 N88 0.4+ 0.2-
210910 703 0.3+ 0.0 210910 104 0.2- 0.2- 210911 N88 0.3+ 0.1-
210910 703 0.4+ 0.1+ 210910 104 0.4- 0.1- 210911 N88 0.2+ 0.4-
210910 703 0.4+ 0.2- 210910 104 0.3- 0.2+ 210911 033 0.3+ 0.2-
210910 104 0.1- 0.3+ 210910 L01 0.1- 0.3+ 210911 033 0.2+ 0.1-
210910 104 0.7- 0.1- 210910 L01 0.0 0.0 210911 033 0.2- 0.2+
210910 104 0.0 0.1- 210910 L01 0.1+ 0.3- 210911 A17 0.2+ 0.2-
210910 104 0.7- 0.1+ 210910 958 0.3- 0.0 210911 A17 0.3- 0.4+
210910 G34 0.4+ 0.2- 210910 958 0.0 0.1- 210911 G15 0.3- 0.5+
210910 033 0.2+ 0.1- 210910 958 0.1+ 0.1+ 210911 A17 0.5+ 0.3-
210910 033 0.2+ 0.1- 210910 B49 0.4- 0.6+ 210911 G15 0.2- 0.0
210910 033 0.1+ 0.1- 210910 B49 0.4- 0.5+ 210911 G15 0.2+ 0.4-
210910 G34 0.1+ 0.2+ 210910 B49 0.1- 0.4- 210911 958 2.0- 0.0
210910 G34 0.2- 0.2+ 210910 B49 0.7+ 0.1+ 210911 958 0.8- 0.0
210910 G02 0.2- 0.4+ 210910 K83 0.1- 0.6+ 210911 958 2.0- 0.9+
210910 G34 0.2+ 0.3- 210910 K83 0.2- 0.0
210910 G02 0.0 0.4- 210910 K83 0.3- 0.1-
Ephemeris:
2021 RU7 a,e,i = 0.99, 0.11, 22 q = 0.8814
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 08 12 05 43 54.9 -40 43 39 0.1791 0.9853 75.9 93.9 23.1
...
2021 08 27 04 49 34.0 -30 53 37 0.09345 1.0138 89.4 85.3 21.4
...
2021 09 04 03 35 03.3 -10 16 02 0.05393 1.0282 110.0 67.2 19.6
...
2021 09 10 01 37 51.5 +25 18 26 0.04494 1.0385 133.5 44.7 18.6
2021 09 11 01 12 38.5 +30 59 17 0.04660 1.0402 134.9 43.3 18.6
2021 09 12 00 46 49.3 +35 52 05 0.04910 1.0418 135.0 43.1 18.7
...
2021 09 18 22 32 18.4 +49 26 52 0.07528 1.0513 126.4 50.3 19.9
...
2021 09 26 21 04 36.0 +50 48 45 0.1215 1.0630 116.8 57.4 21.2
...
2021 10 11 20 19 04.3 +48 37 06 0.2125 1.0811 107.4 61.8 22.5
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-R248
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