MPEC 1994-Q02 : 1993 HO1
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-Q01
Read MPEC 1994-Q03
M.P.E.C. 1994-Q02 Issued 1994 Aug. 17, 17:45 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)
1993 HO1
Recovered by R. H. McNaught at Siding Spring at a Delta-T of -0.02 days
from the prediction on MPC 22495, confirming a single-night observation
from 1979 at a Delta-T of +0.12 days.
Additional observations:
J93H01O A1979 03 08.74451 15 36 05.84 -17 39 37.7 17.5 V 413
J93H01O A1979 03 08.78271 15 36 07.14 -17 39 59.5 413
J93H01O C1994 08 15.67623 21 54 31.51 -21 18 13.3 413
J93H01O C1994 08 15.68011 21 54 31.21 -21 18 14.5 413
J93H01O C1994 08 16.61422 21 53 23.59 -21 23 16.8 413
J93H01O C1994 08 16.61785 21 53 23.28 -21 23 18.2 413
Observer details:
413 Siding Spring Observatory. Observers M. E. Sims, R. H. McNaught,
G. J. Garradd. Measurer R. H. McNaught. U.K. Schmidt, 1.0-m reflector
+ CCD.
Orbital elements:
1993 HO1
Id. R. H. McNaught (1979, 1994 observations)
Epoch 1994 Sept. 5.0 TT = JDT 2449600.5 Williams
M 219.96460 (2000.0) P Q
n 0.35186185 Peri. 105.02745 -0.61274504 -0.78926521
a 1.9871071 Node 22.90561 +0.67978199 -0.55223761
e 0.4166069 Incl. 5.90606 +0.40303842 -0.26850335
P 2.80 H 16.0 G 0.15
Residuals in seconds of arc
790308 413 0.5- 0.8+ 930430 413 0.3+ 0.1+ 930630 413 0.4+ 0.1-
790308 413 1.1+ 0.5+ 930510 413 0.1+ 0.1- 930701 413 0.3+ 0.3-
930419 675 1.5- 0.5- 930510 413 0.1+ 0.0 930701 413 0.5+ 0.4-
930419 675 (4.8- 0.9-) 930510 413 0.3+ 0.1- 930730 413 0.7- 0.3-
930420 413 0.5- 0.4+ 930510 413 0.0 0.3- 930730 413 0.6+ 0.2+
930420 413 0.2+ 0.3- 930511 413 0.5+ 0.1- 930731 413 0.6+ 0.9+
930426 675 (2.5+ 0.6+) 930511 413 0.2+ 0.1- 930731 413 2.2- 1.1+
930426 675 1.0+ 0.2- 930511 413 0.2+ 0.0 940815 413 0.3+ 0.0
930426 413 0.4- 0.1+ 930511 413 0.3+ 0.0 940815 413 0.1+ 0.1+
930426 413 0.7- 0.3+ 930525 413 0.2- 0.2+ 940816 413 0.1+ 0.3+
930429 413 0.4- 0.0 930526 413 0.3+ 0.8- 940816 413 0.5- 0.1+
Ephemeris:
1993 HO1 a,e,i = 1.99, 0.42, 6 q = 1.1593
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1994 08 16 21 54.14 -21 20.0 1.740 2.747 171.9 3.0 19.7
1994 08 26 21 41.99 -22 08.4 1.741 2.731 165.5 5.3 19.8
1994 09 05 21 30.53 -22 42.5 1.770 2.714 154.3 9.3 20.0
1994 09 15 21 20.86 -22 59.6 1.825 2.696 142.9 13.0 20.2
1994 09 25 21 13.79 -23 00.0 1.901 2.676 131.8 16.2 20.4
1994 10 05 21 09.69 -22 45.4 1.993 2.654 121.3 18.8 20.6
1994 10 15 21 08.64 -22 18.1 2.097 2.630 111.4 20.7 20.7
1994 10 25 21 10.45 -21 40.0 2.209 2.605 102.1 21.9 20.9
1994 11 04 21 14.82 -20 52.5 2.323 2.579 93.4 22.6 21.0
Gareth V. Williams M.P.E.C. 1994-Q02
Read MPEC 1994-Q01
Read MPEC 1994-Q03
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)