MPEC 1994-B06 : 1991 NR2
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 1994-B05
Read MPEC 1994-B07
M.P.E.C. 1994-B06 Issued 1994 Jan. 24, 20:45 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.
MARSDEN@CFA or WILLIAMS@CFA (.HARVARD.EDU, .SPAN or .BITNET)
1991 NR2
Recovered at Siding Spring, confirming a possible 1982 precovery observation
located by R. H. McNaught.
Additional observations:
J91N02R A1982 05 01.53596 14 38 51.00 -43 47 00.7 413
J91N02R FC1994 01 22.68958 10 05 04.37 -03 46 37.6 413
J91N02R FC1994 01 22.69841 10 05 03.98 -03 46 37.5 413
J91N02R C1994 01 23.65685 10 04 23.17 -03 47 23.4 413
J91N02R C1994 01 23.66110 10 04 22.95 -03 47 23.6 413
Observer details:
413 Siding Spring Observatory. Observers R. H. McNaught, G. J. Garradd,
D. J. Asher, D. I. Steel. Measurers R. H. McNaught, G. J. Garradd,
D. J. Asher. 1.0-m reflector + CCD. 1982 observation measured by
R. H. McNaught from a U.K. Schmidt plate.
Orbital elements:
1991 NR2
Id. R. H. McNaught (1982, 1994 observations)
Epoch 1994 Feb. 17.0 TT = JDT 2449400.5 Williams
M 212.91482 (2000.0) P Q
n 0.22705844 Peri. 27.80995 +0.68569123 +0.67020803
a 2.6609964 Node 287.08649 -0.71074381 +0.53228778
e 0.4043671 Incl. 17.28354 -0.15706935 +0.51719524
P 4.34 H 14.0 G 0.15
Residuals in seconds of arc
820501 413 0.0 0.3+ 911004 801 0.0 0.1- 911011 801 0.1+ 0.3+
910712 675 0.2- 0.1+ 911005 801 0.3+ 0.1+ 911105 801 0.3+ 0.0
910712 675 0.2+ 0.3- 911005 801 0.2+ 0.0 911105 801 0.1+ 0.1+
910809 675 0.2+ 1.9- 911007 801 0.0 0.2+ 940122 413 0.7- 0.9-
910809 675 0.4- 0.8- 911008 801 0.2+ 0.2+ 940122 413 0.8- 0.4-
910912 675 0.4+ 0.2- 911009 801 0.1- 0.5+ 940123 413 0.4- 1.4-
910912 675 0.4+ 0.4- 911010 801 0.1+ 0.2+ 940123 413 0.9- 1.4-
911004 801 0.1+ 0.1- 911011 801 0.0 0.4+
Ephemeris:
1991 NR2 a,e,i = 2.66, 0.40, 17 q = 1.5850
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1994 01 18 10 08.21 -03 41.1 2.871 3.680 140.1 9.9 19.8
1994 01 28 10 01.14 -03 49.2 2.781 3.670 150.4 7.6 19.6
1994 02 07 09 52.87 -03 43.4 2.719 3.659 159.4 5.4 19.4
1994 02 17 09 43.97 -03 24.5 2.687 3.647 163.9 4.3 19.3
1994 02 27 09 35.16 -02 55.1 2.686 3.634 160.3 5.3 19.4
1994 03 09 09 27.13 -02 18.3 2.715 3.620 151.7 7.5 19.5
1994 03 19 09 20.47 -01 38.3 2.771 3.606 141.7 9.9 19.6
1994 03 29 09 15.59 -00 59.0 2.851 3.590 131.4 12.0 19.8
1994 04 08 09 12.68 -00 23.5 2.949 3.574 121.3 13.8 19.9
1994 04 18 09 11.80 +00 05.7 3.061 3.556 111.7 15.2 20.0
1994 04 28 09 12.87 +00 27.0 3.181 3.538 102.5 16.1 20.1
1994 05 08 09 15.71 +00 39.5 3.306 3.519 93.8 16.6 20.2
1994 05 18 09 20.15 +00 42.8 3.431 3.499 85.4 16.7 20.3
Gareth V. Williams M.P.E.C. 1994-B06
Read MPEC 1994-B05
Read MPEC 1994-B07
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)