MPEC 2013-R49 : 2013 RG21
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 2013-R48
Read MPEC 2013-R50
M.P.E.C. 2013-R49 Issued 2013 Sept. 5, 20:56 UT
The Minor Planet Electronic Circulars contain information on unusual
minor planets and routine data on comets. They are published
on behalf of Commission 20 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
2013 RG21
Observations:
K13R21G* C2013 09 03.42814 23 28 23.460+02 13 19.66 21.4 wLER049F51
K13R21G C2013 09 03.44303 23 28 20.124+02 13 31.34 21.4 wLER049F51
K13R21G C2013 09 03.45795 23 28 16.778+02 13 43.07 21.5 wLER049F51
K13R21G C2013 09 03.47286 23 28 13.449+02 13 54.44 21.6 wLER049F51
K13R21G _C2013 09 04.32525223 25 04.526+02 25 02.22 21.0 RtER049568
K13R21G _C2013 09 04.32650623 25 04.237+02 25 03.32 20.9 RtER049568
K13R21G _C2013 09 04.32775723 25 03.939+02 25 04.33 20.9 RtER049568
K13R21G KC2013 09 04.35711523 24 56.44 +02 25 23.4 21.0 VuER049H21
K13R21G KC2013 09 04.36735623 24 54.09 +02 25 31.6 21.2 VuER049H21
K13R21G KC2013 09 04.37446123 24 52.43 +02 25 36.9 21.3 VuER049H21
K13R21G KC2013 09 04.38107323 24 50.90 +02 25 42.5 20.9 VuER049H21
K13R21G KC2013 09 05.43621 23 20 48.33 +02 39 40.5 20.6 RoER049291
K13R21G KC2013 09 05.43829 23 20 47.85 +02 39 42.1 20.9 RoER049291
K13R21G KC2013 09 05.44037 23 20 47.35 +02 39 43.9 20.5 RoER049291
Observer details:
291 LPL/Spacewatch II. Observer T. H. Bressi. 1.8-m f/2.7 reflector + CCD.
568 Mauna Kea. Observers R. J. Wainscoat, M. Micheli, L. Wells. Measurer
M. Micheli. 3.6-m Canada-France-Hawaii Telescope + CCD.
F51 Pan-STARRS 1, Haleakala. Observers N. Primak, A. Schultz. T. Goggia,
M. Willman. Measurer PS1 Science Consortium. 1.8-m Ritchey-Chretien
+ CCD.
H21 Astronomical Research Observatory, Westfield. Observer R. Holmes.
Measurers T. Linder, S. Foglia, L. Buzzi, T. Vorobjov. 0.81-m f/4.0
astrograph + CCD.
Orbital elements:
2013 RG21 Earth MOID = 0.3737 AU
Epoch 2013 Nov. 4.0 TT = JDT 2456600.5 MPC
M 331.48454 (2000.0) P Q
n 0.52778753 Peri. 144.42537 -0.66823336 -0.71792787
a 1.5164565 Node 343.98241 +0.40522680 -0.13137928
e 0.6992312 Incl. 44.98074 +0.62390337 -0.68360738
P 1.87 H 20.3 G 0.15 U 9
Residuals in seconds of arc
130903 F51 0.1+ 0.1- 130904 568 0.0 0.2+ 130904 H21 0.4- 0.1+
130903 F51 0.0 0.0 130904 568 0.2- 0.2+ 130905 291 0.1- 0.0
130903 F51 0.1- 0.1+ 130904 H21 0.4+ 0.2- 130905 291 0.1+ 0.1-
130903 F51 0.1+ 0.1- 130904 H21 0.3+ 0.0 130905 291 0.0 0.1+
130904 568 0.0 0.1+ 130904 H21 0.1- 0.3-
Ephemeris:
2013 RG21 a,e,i = 1.52, 0.70, 45 q = 0.4561
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
2013 08 06 00 27 51.7 -02 46 51 1.1312 1.9294 128.0 24.5 23.1
...
2013 08 21 00 06 29.7 -00 24 18 0.8860 1.8178 146.6 17.8 22.3
...
2013 08 29 23 46 21.6 +01 05 37 0.7753 1.7537 158.2 12.3 21.7
...
2013 09 04 23 26 17.1 +02 20 50 0.7053 1.7033 167.1 7.6 21.2
2013 09 05 23 22 30.3 +02 33 59 0.6949 1.6947 168.3 6.9 21.2
2013 09 06 23 18 36.0 +02 47 18 0.6849 1.6861 169.4 6.3 21.1
...
2013 09 12 22 52 43.2 +04 09 44 0.6335 1.6330 169.1 6.7 20.9
...
2013 09 20 22 13 02.8 +06 01 00 0.5899 1.5590 155.0 15.8 21.0
...
2013 10 05 20 56 53.1 +08 55 20 0.5826 1.4095 123.7 36.2 21.3
A. U. Tomatic (C) Copyright 2013 MPC M.P.E.C. 2013-R49
Read MPEC 2013-R48
Read MPEC 2013-R50
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)