MPEC 2021-R247 : 2021 RT7
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 2021-R246
Read MPEC 2021-R248
M.P.E.C. 2021-R247 Issued 2021 September 11, 17:24 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 RT7
Observations:
K21R07T* C2021 09 10.31606100 26 02.70 +00 32 25.2 21.01GVER247G96
K21R07T C2021 09 10.32173600 25 59.06 +00 33 28.1 20.49GVER247G96
K21R07T C2021 09 10.32740700 25 55.37 +00 34 30.9 20.40GVER247G96
K21R07T C2021 09 10.33489300 25 50.65 +00 35 52.0 VER247G96
K21R07T mC2021 09 10.42062700 24 55.49 +00 51 38.2 20.01GVER247G96
K21R07T mC2021 09 10.42098100 24 55.29 +00 51 41.5 19.90GVER247G96
K21R07T mC2021 09 10.42133500 24 55.07 +00 51 46.3 20.76GVER247G96
K21R07T KC2021 09 10.97726100 19 50.13 +02 28 40.3 20.0 GXER247L01
K21R07T KC2021 09 10.98222600 19 47.23 +02 29 30.7 20.4 GXER247L01
K21R07T KC2021 09 10.98759600 19 44.07 +02 30 24.6 19.8 GXER247L01
K21R07T mC2021 09 11.25566800 17 27.01 +03 14 58.7 21.05GVER247G96
K21R07T mC2021 09 11.25696300 17 26.33 +03 15 11.4 21.02GVER247G96
K21R07T mC2021 09 11.25826000 17 25.57 +03 15 24.1 20.83GVER247G96
K21R07T mC2021 09 11.25855500 17 25.37 +03 15 26.4 20.68GVER247G96
Observer details:
G96 Mt. Lemmon Survey. Observers D. Rankin, H. Groeller. 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. 1.5-m reflector +
10K CCD.
L01 Visnjan Observatory, Tican. Observers V. Dobos, E. Pettarin, D. Pujagic.
Measurer D. Pujagic. 1.0-m f/2.9 reflector + CCD.
Orbital elements:
2021 RT7 Earth MOID = 0.0319 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Veres
M 352.81943 (2000.0) P Q
n 0.67985839 Peri. 294.59406 +0.23801552 +0.97060657
a 1.2809251 Node 348.99523 -0.80981990 +0.17805009
e 0.2787154 Incl. 10.76598 -0.53622788 +0.16192915
P 1.45 H 26.13 G 0.15 U 8
Residuals in seconds of arc
210910 G96 0.2- 0.2+ 210910 G96 0.0 0.8- 210911 G96 0.2- 0.1-
210910 G96 0.3+ 0.0 210910 G96 0.0 0.1+ 210911 G96 0.5+ 0.1+
210910 G96 0.1- 0.1- 210910 L01 0.3+ 0.1+ 210911 G96 0.0 0.2+
210910 G96 (1.8+ 2.0-) 210910 L01 0.3+ 0.4+ 210911 G96 0.4- 0.4-
210910 G96 0.4- 0.2- 210910 L01 0.1- 0.2+
Ephemeris:
2021 RT7 a,e,i = 1.28, 0.28, 11 q = 0.9239
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 08 12 09 15 13.3 -43 36 29 0.1148 0.9588 58.7 115.4 25.9
...
2021 08 27 06 27 52.7 -52 36 37 0.05028 1.0030 80.1 97.0 23.1
...
2021 09 04 02 08 38.3 -28 41 33 0.03627 1.0317 128.9 49.5 20.8
...
2021 09 10 00 29 10.8 -00 26 07 0.05074 1.0550 160.4 18.7 20.7
2021 09 11 00 19 37.1 +02 34 10 0.05456 1.0590 162.7 16.5 20.8
2021 09 12 00 11 16.1 +05 09 43 0.05861 1.0630 164.1 15.0 20.9
...
2021 09 18 23 37 59.9 +14 51 59 0.08629 1.0877 163.1 15.6 21.8
...
2021 09 26 23 16 50.9 +20 09 49 0.1284 1.1219 156.9 20.5 22.9
...
2021 10 11 23 05 12.8 +22 46 50 0.2182 1.1876 147.1 27.2 24.4
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-R247
Read MPEC 2021-R246
Read MPEC 2021-R248
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)