MPEC 2021-R243 : 2021 RN7
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-R242
Read MPEC 2021-R244
M.P.E.C. 2021-R243 Issued 2021 September 11, 14:29 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 RN7
Observations:
K21R07N C2021 09 05.33490623 07 17.546+20 33 35.52 21.82GVER243F52
K21R07N C2021 09 05.34654123 07 17.851+20 34 27.21 21.82GVER243F52
K21R07N C2021 09 05.35816723 07 18.128+20 35 18.79 20.96GVER243F52
K21R07N C2021 09 05.36982323 07 18.414+20 36 10.32 21.18GVER243F52
K21R07N* C2021 09 09.34402823 10 38.359+25 56 06.31 21.49wUER243F52
K21R07N C2021 09 09.35624323 10 38.809+25 57 12.39 21.88wUER243F52
K21R07N C2021 09 09.36850523 10 39.260+25 58 18.49 21.92wUER243F52
K21R07N C2021 09 09.38070323 10 39.680+25 59 24.20 21.97wUER243F52
K21R07N 1C2021 09 09.96952 23 11 13.98 +26 52 02.7 21.8 VVER243033
K21R07N 1C2021 09 09.97259 23 11 14.12 +26 52 19.2 21.7 VVER243033
K21R07N 1C2021 09 09.97565 23 11 14.25 +26 52 36.3 21.4 VVER243033
K21R07N ^C2021 09 10.42404723 11 43.060+27 34 39.27 21.71GVER243568
K21R07N ^C2021 09 10.42502423 11 43.094+27 34 44.76 21.79GVER243568
K21R07N ^C2021 09 10.42601223 11 43.131+27 34 50.32 21.71GVER243568
K21R07N ^C2021 09 10.42699223 11 43.170+27 34 55.83 21.77GVER243568
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.
568 Mauna Kea. Observers R. Wainscoat, H. Januszewski, H. Flewelling.
Measurers R. Weryk, R. Wainscoat. 3.6-m Canada-France-Hawaii Telescope +
CCD.
F52 Pan-STARRS 2, Haleakala. Observers J. Bulger, K. Chambers, T. Dukes, T.
Lowe, A. Schultz, I. Smith. Measurers S. Chastel, M. Huber, Y.
Ramanjooloo, R. Wainscoat, R. Weryk, K. Chambers, T. de Boer, J. Fairlamb,
H. Gao, C.-C. Lin, E. Magnier. 1.8-m Ritchey-Chretien + CCD.
Orbital elements:
2021 RN7 Earth MOID = 0.0643 AU
Epoch 2021 July 5.0 TT = JDT 2459400.5 Veres
M 316.49618 (2000.0) P Q
n 0.37315727 Peri. 106.52888 +0.70859427 -0.70177695
a 1.9107687 Node 298.11111 +0.61144693 +0.66268025
e 0.4909264 Incl. 4.78045 +0.35217441 +0.26146511
P 2.64 H 24.36 G 0.15 U 9
Residuals in seconds of arc
210905 F52 0.1+ 0.2- 210909 F52 0.0 0.0 210909 033 0.1- 0.2+
210905 F52 0.1+ 0.0 210909 F52 0.1+ 0.0 210910 568 0.0 0.0
210905 F52 0.1- 0.1+ 210909 F52 0.1- 0.0 210910 568 0.0 0.0
210905 F52 0.0 0.1+ 210909 033 0.1- 0.2+ 210910 568 0.0 0.0
210909 F52 0.0 0.1- 210909 033 0.0 0.1- 210910 568 0.0 0.0
Ephemeris:
2021 RN7 a,e,i = 1.91, 0.49, 5 q = 0.9727
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2021 08 12 22 54 31.4 +02 25 26 0.3404 1.3238 152.1 21.0 23.7
...
2021 08 27 23 01 54.4 +11 23 33 0.2286 1.2232 156.3 19.4 22.6
...
2021 09 04 23 06 20.5 +18 59 33 0.1802 1.1726 153.5 22.6 22.1
...
2021 09 10 23 11 15.9 +26 55 09 0.1496 1.1367 148.0 28.0 21.8
2021 09 11 23 12 21.3 +28 29 10 0.1450 1.1309 146.8 29.1 21.7
2021 09 12 23 13 33.4 +30 08 00 0.1405 1.1252 145.5 30.4 21.7
...
2021 09 18 23 24 20.9 +41 54 48 0.1177 1.0925 135.9 39.8 21.5
...
2021 09 26 00 04 28.2 +62 43 08 0.09926 1.0535 118.4 56.8 21.5
...
2021 10 11 08 56 32.9 +69 10 45 0.1094 0.9986 87.0 86.7 22.6
M. P. C. Staff (C) Copyright 2021 MPC M.P.E.C. 2021-R243
Read MPEC 2021-R242
Read MPEC 2021-R244
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)