MPEC 1997-Y19: 1992 EB1
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M.P.E.C. 1997-Y19 Issued 1997 Dec. 29, 19:59 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.
BMARSDEN@CFA.HARVARD.EDU or GWILLIAMS@CFA.HARVARD.EDU
URL http://cfa-www.harvard.edu/iau/mpc.html
1992 EB1
Observations:
J92E01B C1997 12 24.95035 08 40 56.45 +42 35 41.6 19.9 V 104
J92E01B C1997 12 24.95602 08 40 56.18 +42 35 43.7 104
J92E01B C1997 12 27.97260 08 38 21.02 +42 45 54.5 19.9 V 104
J92E01B C1997 12 27.97813 08 38 20.71 +42 45 56.0 104
J92E01B C1997 12 27.98368 08 38 20.35 +42 45 57.1 104
Observer details:
104 San Marcello Pistoiese. Observers A. Boattini, L. Tesi, M. Tombelli.
Measurers A. Boattini, L. Tesi, G. Forti. 0.40-m f/5 reflector + CCD.
First and last observations above in comparison with prediction:
Residuals in seconds of arc (or two decimals in degrees), reference and Delta-T
971224 104 0.03- 0.02+ 971227 104 0.03- 0.02+ MPC 20823 +0.078 day
Orbital elements:
1992 EB1
Epoch 1997 Dec. 18.0 TT = JDT 2450800.5 Williams
M 327.64397 (2000.0) P Q
n 0.15851558 Peri. 231.21183 -0.89697522 +0.40574197
a 3.3813341 Node 331.42195 -0.19550805 -0.72018041
e 0.5705845 Incl. 21.52663 -0.39649977 -0.56277316
P 6.22 H 16.5 G 0.15 U 1
Residuals in seconds of arc
920310 413 0.7+ 1.6- 920422 413 0.2+ 0.2+ 920705 413 0.6- 0.0
920310 413 0.8+ 0.9+ 920422 413 0.2+ 0.2+ 920821 413 0.0 0.7+
920311 413 0.9- 0.6- 920430 413 0.5- 1.4- 920821 413 0.3- 0.6+
920313 413 0.5- 0.2+ 920524 413 0.2+ 0.2- 920822 413 0.5+ 0.8+
920314 413 1.4+ 1.2+ 920524 413 0.1+ 0.2- 971224 104 0.4- 0.0
920315 413 0.4- 0.2+ 920618 413 0.2- 0.2- 971224 104 0.4- 0.8+
920324 413 1.1- 0.7- 920618 413 0.2- 0.0 971227 104 0.4+ 0.5-
920324 413 0.7- 0.5+ 920619 413 0.5- 0.0 971227 104 0.5+ 0.1-
920328 413 0.3+ 0.1- 920619 413 0.6+ 0.1- 971227 104 0.0 0.1-
920404 413 0.6+ 0.8+ 920705 413 0.6- 0.1-
Ephemeris:
1992 EB1 a,e,i = 3.38, 0.57, 22 q = 1.4520
Date TT R. A. (2000) Decl. Delta r Elong. Phase V
1997 12 28 08 38.32 +42 46.0 1.495 2.379 146.7 13.1 20.0
1998 01 07 08 26.84 +43 09.1 1.390 2.314 154.1 10.7 19.7
1998 01 17 08 11.66 +43 05.6 1.309 2.249 157.5 9.7 19.5
1998 01 27 07 54.55 +42 23.8 1.254 2.184 154.5 11.2 19.4
1998 02 06 07 38.06 +40 59.0 1.225 2.120 146.8 14.8 19.4
1998 02 16 07 24.65 +38 56.1 1.219 2.056 137.1 19.1 19.5
1998 02 26 07 15.87 +36 26.3 1.232 1.992 127.1 23.4 19.6
1998 03 08 07 12.31 +33 41.7 1.260 1.930 117.4 27.2 19.6
1998 03 18 07 13.74 +30 51.4 1.298 1.869 108.5 30.3 19.7
1998 03 28 07 19.56 +28 00.1 1.341 1.810 100.4 32.8 19.8
1998 04 07 07 29.12 +25 08.8 1.387 1.754 93.1 34.7 19.9
1998 04 17 07 41.75 +22 16.6 1.433 1.700 86.6 36.1 19.9
1998 04 27 07 56.88 +19 21.2 1.477 1.650 80.9 37.0 19.9
1998 05 07 08 14.10 +16 20.5 1.518 1.604 75.8 37.6 19.9
1998 05 17 08 33.04 +13 12.4 1.556 1.563 71.4 37.8 20.0
1998 05 27 08 53.44 +09 55.5 1.591 1.527 67.6 37.8 19.9
1998 06 06 09 15.14 +06 29.0 1.624 1.498 64.4 37.7 19.9
1998 06 16 09 38.00 +02 53.1 1.655 1.475 61.7 37.3 19.9
Gareth V. Williams (C) Copyright 1997 MPC M.P.E.C. 1997-Y19
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