MPEC 2002-E22 : COMET C/2002 C1 (IKEYA-ZHANG)
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M.P.E.C. 2002-E22 Issued 2002 Mar. 8, 21:55 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 http://cfa-www.harvard.edu/iau/mpc.html ISSN 1523-6714
COMET C/2002 C1 (IKEYA-ZHANG)
Observations:
CK02C010 C2002 02 09.38837 00 22 41.94 -13 29 59.3 11.7 N 379
CK02C010 C2002 02 09.38895 00 22 42.01 -13 29 57.0 11.8 N 379
CK02C010 C2002 02 09.38950 00 22 42.07 -13 29 56.2 11.8 N 379
CK02C010 C2002 02 11.38662 00 26 22.23 -12 21 44.2 11.9 N 379
CK02C010 C2002 02 11.38753 00 26 22.30 -12 21 41.9 12.0 N 379
CK02C010 C2002 02 11.39053 00 26 22.57 -12 21 35.6 12.0 N 379
CK02C010 C2002 02 13.39194 00 30 08.47 -11 10 29.0 11.3 N 379
CK02C010 C2002 02 13.39282 00 30 08.51 -11 10 26.8 11.2 N 379
CK02C010 C2002 02 18.39878 00 39 53.99 -07 59 07.2 10.4 N 379
CK02C010 C2002 02 18.39944 00 39 54.02 -07 59 06.5 10.3 N 379
CK02C010 C2002 02 18.40017 00 39 54.12 -07 59 04.9 10.3 N 379
CK02C010 C2002 02 18.40127 00 39 54.19 -07 59 02.0 10.2 N 379
CK02C010 C2002 02 19.40013 00 41 54.03 -07 18 20.1 9.9 N 379
CK02C010 C2002 02 19.40119 00 41 54.19 -07 18 16.9 9.6 N 379
CK02C010 C2002 02 19.40300 00 41 54.51 -07 18 11.0 10.3 N 379
CK02C010 C2002 02 19.40440 00 41 54.64 -07 18 06.3 10.3 N 379
CK02C010 C2002 02 20.39977 00 43 54.87 -06 36 39.1 10.5 N 379
CK02C010 C2002 02 25.39976 00 54 07.14 -02 53 04.4 10.2 N 379
CK02C010 C2002 02 25.40179 00 54 07.47 -02 52 56.5 10.8 N 379
CK02C010 C2002 02 26.42784 00 56 13.69 -02 03 41.0 367
CK02C010 C2002 02 26.42888 00 56 13.82 -02 03 38.3 367
CK02C010 C2002 02 26.42992 00 56 13.95 -02 03 35.0 367
CK02C010 C2002 02 28.76900 01 01 00.37 -00 06 31.2 046
CK02C010 C2002 02 28.77001 01 01 00.46 -00 06 29.1 046
CK02C010 C2002 02 28.77414 01 01 01.01 -00 06 14.5 046
CK02C010 C2002 03 01.02934 01 01 31.86 +00 06 55.5 9.7 N 850
CK02C010 C2002 03 02.76836 01 05 01.22 +01 39 05.9 8.4 N 232
CK02C010 C2002 03 02.79056 01 05 03.66 +01 40 13.0 10.0 N 941
CK02C010 C2002 03 02.79573 01 05 04.27 +01 40 30.6 10.0 N 941
CK02C010 C2002 03 03.38722 01 06 14.54 +02 12 52.2 6.1 T 349
CK02C010 C2002 03 03.38785 01 06 14.60 +02 12 54.3 349
CK02C010 C2002 03 03.39534 01 06 15.45 +02 13 18.8 349
CK02C010 C2002 03 03.39588 01 06 15.54 +02 13 20.5 349
CK02C010 C2002 03 03.40135 01 06 16.21 +02 13 38.4 5.9 T 340
CK02C010 C2002 03 03.43957 01 06 20.68 +02 15 44.6 367
CK02C010 C2002 03 03.44062 01 06 20.79 +02 15 48.2 367
CK02C010 C2002 03 03.44178 01 06 20.92 +02 15 52.0 367
CK02C010 C2002 03 03.78175 01 07 01.06 +02 34 40.3 8.6 N 213
CK02C010 C2002 03 04.41389 01 08 14.73 +03 10 05.6 5.0 T 372
CK02C010 C2002 03 04.42292 01 08 15.81 +03 10 36.1 372
CK02C010 C2002 03 04.42521 01 08 16.08 +03 10 43.5 372
CK02C010 C2002 03 04.76736 01 08 55.55 +03 30 05.1 5.9 T 235
CK02C010 C2002 03 05.06840 01 09 30.00 +03 47 17.6 6.9 N 850
CK02C010 C2002 03 06.02806 01 11 18.58 +04 43 01.1 7.3 N 850
CK02C010 C2002 03 06.06678 01 11 22.83 +04 45 18.6 7.1 N 850
CK02C010 C2002 03 06.41789 01 12 01.78 +05 06 01.5 5.5 T 300
CK02C010 C2002 03 06.41833 01 12 01.81 +05 06 03.5 300
CK02C010 C2002 03 06.41877 01 12 01.87 +05 06 04.7 300
CK02C010 C2002 03 06.41921 01 12 01.90 +05 06 06.6 300
CK02C010 C2002 03 06.41964 01 12 01.93 +05 06 08.3 300
CK02C010 C2002 03 06.42095 01 12 02.07 +05 06 12.5 300
CK02C010 C2002 03 06.42179 01 12 02.10 +05 06 15.4 5.1 T 340
CK02C010 C2002 03 06.42405 01 12 02.37 +05 06 23.4 340
CK02C010 C2002 03 06.42850 01 12 02.82 +05 06 39.0 340
CK02C010 C2002 03 06.43110 01 12 03.13 +05 06 48.7 340
CK02C010 C2002 03 08.01990 01 14 53.79 +06 42 55.9 6.8 N 850
Observer details:
046 Klet. Observers J. Ticha, M. Tichy. 0.57-m f/5.2 reflector + CCD.
213 Observatorio Montcabre. Observer R. Naves N. Measurer M. Campas. 0.25-m
f/3.3 Schmidt-Cassegrain + CCD.
232 Masquefa Observatory. Observer E. Reina L. 0.25-m f/6.3
Schmidt-Cassegrain + CCD.
235 CAST Observatory, Talmassons. Observer R. Ligustri. 0.35-m f/3.5
reflector + CCD.
300 Bisei Spaceguard Center--BATTeRS. Observers A. Asami, D. J. Asher,
T. Fuse, N. Hashimoto, A. I. Ibrahim, S. Isobe, K. Nishiyama, Y. Oshima,
J. Terazono, H. Umehara, T. Urata, M. Yoshikawa. 0.25-m f/5.0 reflector
+ CCD.
340 Toyonaka. Observer Y. Ezaki. 0.3-m f/6.0 reflector + CCD.
349 Ageo. Observer K. Kadota. 0.18-m f/5.5 reflector + CCD.
367 Yatsuka. Observer H. Abe. 0.26-m f/6.0 reflector + CCD.
372 Geisei. Observer T. Seki. 0.60-m f/3.5 reflector.
379 Hamamatsu-Yuto. Observer S. Wakuda. 0.25-m f/5.0 Schmidt-Cassegrain
+ CCD.
850 Cordell-Lorenz Observatory, Sewanee. Observer D. T. Durig. 0.3-m f/5.75
Schmidt-Cassegrain + CCD.
941 Observatorio Pla D'Arguines. Observer R. Ferrando. 0.26-m f/10
Schmidt-Cassegrain + CCD.
Orbital elements:
C/2002 C1 (Ikeya-Zhang)
Epoch 2002 Mar. 27.0 TT = JDT 2452360.5
T 2002 Mar. 18.97967 TT MPC
q 0.5070666 (2000.0) P Q
z +0.0195097 Peri. 34.66864 -0.54914665 -0.69068623
+/-0.0000312 Node 93.36898 +0.61958706 -0.71429785
e 0.9901073 Incl. 28.12106 +0.56084741 +0.11283225
Residuals in seconds of arc
020201 620 1.3+ 0.4+ 020206 340 1.4- 0.3- 020215 620 0.4+ 0.5-
020201 620 1.6+ 0.7+ 020206 347 0.9- 0.3- 020216 367 0.4- 0.1+
020201 620 (1.7+ 2.3+) 020206 340 0.6- 0.8- 020216 367 0.1- 0.1-
020201 620 1.6+ 2.0+ 020206 340 0.5- 0.2- 020216 367 0.1- 0.0
020202 739 0.2- 0.6- 020206 367 1.0- 0.7- 020216 046 0.2- 0.6+
020202 739 0.6+ 0.6+ 020206 367 0.4- 1.6- 020216 046 0.4+ 0.5+
020202 739 1.1- 0.1- 020206 367 1.2- 1.1- 020216 046 0.3- 0.4+
020202 734 1.3+ 0.5- 020206 367 0.0 0.8- 020216 046 0.1- 0.4+
020202 734 (2.6+ 0.2+) 020207 300 0.4+ 0.0 020216 046 0.7- 0.1+
020202 734 (2.2+ 0.1+) 020207 300 0.7+ 0.2+ 020216 046 0.0 0.1-
020202 327 0.5+ 0.4+ 020207 300 0.6+ 0.5- 020218 379 0.4+ 0.1+
020202 327 0.5+ 0.1+ 020207 300 0.5+ 0.6- 020218 379 0.3- 0.8-
020202 327 0.2+ 0.8+ 020207 300 0.5+ 0.1+ 020218 379 0.1- 1.0-
020202 046 0.5- 0.2+ 020207 300 0.3+ 0.1+ 020218 379 1.0- 0.8-
020202 118 0.2+ 0.0 020207 201 1.3+ 0.3+ 020218 300 0.8+ 0.2-
020202 046 1.6- 0.9- 020207 201 1.2+ 0.3+ 020218 300 0.2+ 0.3-
020202 118 0.6+ 0.7+ 020207 235 0.8+ 0.8- 020218 300 0.9+ 0.8-
020202 046 0.5- 0.3+ 020207 201 0.1+ 0.1+ 020218 300 0.8+ 0.1+
020202 046 0.9- 0.2- 020207 201 0.1+ 0.1+ 020218 300 0.3+ 0.7-
020202 118 0.6+ 0.6+ 020207 213 0.2- 1.0+ 020218 300 1.2+ 0.8-
020202 046 1.3- 1.4- 020207 213 (2.8+ 0.9+) 020218 300 0.9+ 0.1-
020202 118 0.8+ 0.8+ 020207 213 0.5+ 0.2+ 020218 300 0.4+ 0.2-
020202 046 0.5- 0.0 020207 213 0.9+ 1.1+ 020218 888 (2.7+ 0.9-)
020202 636 0.2- 1.2+ 020208 620 (2.1+ 1.5+) 020218 888 (2.5+ 0.5-)
020202 636 0.3- 0.5+ 020208 941 1.4+ 0.3+ 020218 888 (2.2+ 0.8-)
020202 151 (3.0- 0.0 ) 020208 941 1.4+ 0.6+ 020218 888 (2.7+ 0.4-)
020202 636 0.9- 0.2- 020208 620 1.0+ 0.4+ 020218 201 0.8- 0.8+
020202 151 (2.1- 1.3+) 020208 620 0.6+ 0.3+ 020218 201 0.3- 0.3-
020202 636 0.5+ 1.1+ 020209 347 0.3- 0.4- 020218 201 0.8- 0.6+
020202 151 (3.3- 0.3+) 020209 347 0.1+ 0.0 020219 379 (1.2- 2.0-)
020202 201 0.7+ 0.3+ 020209 379 0.1+ 1.3- 020219 379 0.7- 1.4-
020202 151 1.5- 0.4+ 020209 379 0.2+ 0.2- 020219 379 0.8+ 0.0
020202 104 2.0- 0.8- 020209 379 0.2+ 0.5- 020219 379 0.3+ 1.2+
020202 201 0.4+ 0.0 020209 347 0.2- 0.3- 020219 620 0.2- 0.2+
020202 104 0.5- 0.6- 020209 347 0.2- 0.0 020219 620 0.1+ 0.1+
020202 201 2.0+ 0.5+ 020209 349 0.1- 0.6- 020219 620 0.1+ 0.0
020202 104 0.1- 0.7+ 020209 349 0.2- 0.5- 020219 620 0.0 0.1+
020202 104 0.1- 0.2+ 020209 349 0.3- 0.4- 020220 448 1.1+ 0.6+
020202 104 0.1- 1.2+ 020209 349 0.3- 0.6- 020220 448 0.4+ 0.6+
020202 941 0.8+ 0.3+ 020209 340 0.3- 0.5- 020220 448 0.0 0.4+
020202 232 1.5+ 0.3- 020209 340 0.3- 0.4- 020220 379 0.2- 1.5-
020202 232 0.2+ 0.1- 020209 340 0.6- 0.5- 020220 340 0.1+ 0.2-
020202 941 1.5+ 0.5+ 020209 340 0.1- 0.4- 020220 340 0.1- 0.4-
020202 201 0.2+ 0.7+ 020209 162 0.0 0.4- 020220 340 0.2- 0.8-
020202 941 1.0+ 0.4+ 020209 162 1.7+ 0.7- 020220 340 0.2+ 0.9-
020202 232 1.3+ 0.3+ 020210 428 0.4- 0.7- 020220 300 0.8+ 0.5-
020202 941 0.3+ 0.6+ 020210 349 0.2- 0.4- 020220 300 0.1+ 0.4+
020202 232 0.1+ 0.1- 020210 349 0.1- 0.2- 020220 300 0.4+ 0.4+
020202 213 0.6- 0.5+ 020210 349 0.1+ 0.4- 020220 300 0.3- 0.3-
020202 941 0.9+ 0.7+ 020210 349 0.1- 0.3- 020220 300 0.2- 0.6-
020202 232 0.3+ 0.1+ 020210 235 0.3- 1.6+ 020222 372 0.0 0.9+
020202 213 0.2- 0.4+ 020210 620 0.1- 0.0 020222 372 0.3- 0.2+
020202 213 0.0 0.2+ 020210 620 0.0 0.1- 020222 300 0.4+ 0.8-
020202 213 1.3+ 0.1+ 020210 620 0.1+ 0.4- 020222 372 1.6- 0.1+
020202 213 0.4- 0.2+ 020211 379 0.4+ 1.0- 020222 300 0.5+ 0.5-
020202 213 0.2+ 0.6+ 020211 379 0.0 0.6- 020222 300 0.5+ 0.1-
020203 452 1.0+ 1.0+ 020211 428 0.3- 0.5- 020222 300 0.7+ 0.7-
020203 452 (3.6+ 0.8+) 020211 379 0.9- 0.6- 020222 300 0.9+ 0.7-
020203 452 1.3+ 0.8+ 020211 428 0.6- 0.5- 020222 300 0.6+ 0.1-
020203 428 0.0 0.1- 020211 428 0.2- 0.4- 020223 347 0.2- 0.4+
020203 428 0.0 0.0 020211 340 0.5- 0.6- 020223 347 0.5+ 0.6+
020203 428 0.5- 0.1- 020211 340 0.7- 0.7- 020223 347 0.2+ 0.2-
020203 428 0.1- 0.0 020211 340 0.5- 0.7- 020223 213 1.0- 0.2-
020203 367 0.1+ 1.4+ 020211 372 0.5- 0.5- 020224 349 0.4- 0.4+
020203 367 1.9- 0.5- 020211 372 0.3- 1.0- 020224 349 0.4- 0.1+
020203 367 (2.3- 1.3-) 020211 201 0.4+ 0.1- 020224 349 0.2- 0.0
020203 367 0.6- 0.8- 020211 201 0.8- 0.4- 020224 349 0.0 0.0
020203 367 0.7+ 1.4+ 020211 201 0.4+ 0.0 020224 349 0.1+ 0.4+
020203 046 0.2+ 0.5- 020212 428 0.4- 0.1+ 020224 300 0.6+ 0.2+
020203 046 0.9+ 0.5- 020212 428 0.3- 0.1- 020224 300 0.2+ 0.2-
020203 046 0.7+ 0.6- 020212 300 0.8+ 0.1+ 020224 355 0.1- 0.1+
020203 046 1.1+ 0.2+ 020212 300 1.3+ 0.1- 020224 355 0.0 0.2+
020203 235 (3.9+ 5.9+) 020212 300 1.2+ 0.5- 020224 300 0.6+ 0.4+
020204 896 1.0- 0.9+ 020212 300 0.9+ 0.1- 020224 355 0.2+ 0.3+
020204 349 0.8- 0.2- 020212 300 0.5+ 0.4- 020224 300 0.6+ 0.4-
020204 349 0.3- 0.2- 020212 300 1.0+ 0.2- 020224 300 0.2+ 0.2-
020204 349 0.3- 0.0 020212 300 1.1+ 0.5- 020224 300 0.5+ 0.1+
020204 349 0.7- 0.7- 020212 300 1.2+ 0.1- 020224 340 0.7- 0.2-
020204 349 0.3- 0.3- 020212 372 0.2- 0.7+ 020224 340 0.1+ 0.1-
020204 342 0.8- 0.7- 020212 372 0.5- 0.1+ 020224 367 0.8- 0.2-
020204 342 0.1+ 0.1- 020212 162 0.7+ 1.9+ 020224 340 0.8- 0.2+
020204 342 0.0 0.8- 020212 162 0.4+ 2.0+ 020224 367 1.1- 0.2-
020204 372 0.9- 1.2+ 020213 379 0.2+ 0.5- 020224 340 0.5- 0.3-
020204 118 1.1+ 0.3- 020213 379 0.7- 0.2- 020224 367 1.1- 0.2+
020204 118 0.7+ 0.4+ 020213 342 0.2+ 0.6- 020224 587 0.4+ 0.1-
020204 046 0.1+ 0.4+ 020213 342 1.0- 0.1- 020224 587 0.1- 0.3-
020204 046 0.2+ 0.7+ 020213 201 0.1- 0.5+ 020224 587 1.6- 1.3+
020204 118 0.7+ 0.2- 020213 201 0.2- 0.7+ 020224 587 0.5- 0.6-
020204 046 0.4+ 0.8+ 020213 201 0.1+ 0.8+ 020225 379 1.2- 0.7-
020204 046 0.4+ 0.9+ 020214 341 0.4+ 0.0 020225 379 0.1+ 1.5+
020205 452 0.1+ 0.3- 020214 341 0.3+ 0.1- 020226 367 0.1- 0.7+
020205 452 0.4- 0.0 020214 342 0.3- 0.0 020226 367 0.1- 0.4+
020205 452 0.0 0.1+ 020214 341 0.4+ 0.1- 020226 367 0.1- 0.7+
020205 452 0.0 1.1+ 020214 341 0.4+ 0.0 020228 046 0.8+ 1.0+
020205 428 0.2- 0.2- 020214 342 0.1- 0.6+ 020228 046 0.3+ 0.0
020205 428 0.3- 0.2- 020214 636 1.1- 0.5+ 020228 046 1.1+ 1.8+
020205 428 0.5- 0.2+ 020214 636 0.6- 1.0+ 020301 850 0.3- 0.9-
020206 341 0.6- 0.3- 020214 636 0.1+ 0.2+ 020302 232 0.4+ 0.7+
020206 300 0.6+ 0.2- 020214 636 0.1- 1.0+ 020302 941 (2.3- 4.6-)
020206 349 0.4- 0.3- 020215 341 0.1+ 0.5+ 020302 941 (2.3- 3.8-)
020206 300 0.1+ 0.3- 020215 341 0.1+ 0.3+ 020303 349 0.4- 0.2-
020206 349 0.4- 0.7- 020215 372 0.5- 0.3+ 020303 349 0.6- 0.1-
020206 300 0.7+ 0.4- 020215 367 0.1+ 0.7+ 020303 349 1.0- 0.4-
020206 349 0.6- 0.3- 020215 367 0.1+ 0.5+ 020303 349 0.6- 0.4-
020206 300 0.3+ 0.6- 020215 372 1.4+ 0.4+ 020303 340 0.2- 0.7-
020206 349 0.6- 0.5- 020215 367 0.4+ 0.2+ 020303 367 0.4- 0.6-
020206 300 0.4+ 0.4- 020215 118 0.8+ 0.9+ 020303 367 0.6- 0.5-
020206 349 0.8- 0.5- 020215 118 1.2+ 0.8+ 020303 367 0.7- 0.5-
020206 341 0.8- 0.3- 020215 118 1.4+ 0.5+ 020303 213 0.7+ 0.1+
020206 402 0.7- 0.5- 020215 620 0.1+ 0.7- 020304 372 0.4+ 1.0+
020206 867 1.4- 0.2- 020215 199 1.1+ 1.0+ 020304 372 1.1+ 0.9+
020206 402 0.5- 0.3- 020215 199 1.2- 0.4+ 020304 372 1.2+ 0.6+
020206 402 0.7- 0.4- 020215 199 1.3+ 1.8+ 020304 235 0.5- 0.2-
020206 341 0.6- 0.2- 020215 199 0.6- 0.3+ 020305 850 0.6- 1.0-
020206 867 1.1- 0.2- 020215 199 1.7+ 1.4+ 020306 850 1.3+ 0.1-
020206 340 1.0- 0.2- 020215 199 1.7- 0.1+ 020306 850 0.7+ 1.0+
020206 379 1.1- 0.4- 020215 199 1.3- 0.8+ 020306 300 0.6+ 0.4-
020206 347 1.4- 0.1- 020215 199 0.7- 0.0 020306 300 0.4+ 0.0
020206 340 0.9- 0.5- 020215 199 1.6- 0.5- 020306 300 0.5+ 0.3-
020206 340 1.2- 1.0- 020215 199 0.5+ 0.5+ 020306 300 0.3+ 0.0
020206 341 0.6- 0.3- 020215 199 0.2- 0.5+ 020306 300 0.0 0.2+
020206 340 0.8- 0.8- 020215 620 0.1+ 0.6- 020306 300 0.0 0.3-
020206 347 0.8- 0.3- 020215 199 0.6+ 0.8+ 020306 340 0.9- 0.3-
020206 340 1.2- 0.7- 020215 199 0.1- 0.2+ 020306 340 0.6- 0.4-
020206 340 0.7- 0.7- 020215 199 1.2+ 0.5+ 020306 340 1.1- 0.6-
020206 347 1.3- 0.9- 020215 199 0.8+ 1.3+ 020306 340 0.8- 0.1-
020206 341 0.7- 0.7- 020215 199 0.9- 0.1- 020308 850 0.6+ 0.1-
020206 347 0.9- 0.7- 020215 199 0.1+ 0.6+
Ephemeris:
C/2002 C1 (Ikeya-Zhang)
Date TT R. A. (2000) Decl. Delta r Elong. Phase m1 m2
2002 03 07 01 13.10 +05 40.8 1.053 0.581 32.9 67.8 5.3
2002 03 09 01 16.57 +07 44.1 1.015 0.560 32.4 71.7 5.0
2002 03 11 01 19.70 +09 53.4 0.975 0.542 31.9 75.9 4.8
2002 03 13 01 22.41 +12 08.5 0.936 0.527 31.5 80.3 4.6
2002 03 15 01 24.56 +14 29.2 0.896 0.516 31.1 85.0 4.4
2002 03 17 01 26.05 +16 55.2 0.856 0.509 30.8 89.8 4.2
2002 03 19 01 26.77 +19 25.9 0.817 0.507 30.5 94.6 4.1
2002 03 21 01 26.59 +22 00.5 0.779 0.509 30.3 99.1 4.0
2002 03 23 01 25.43 +24 38.3 0.742 0.516 30.3 103.2 4.0
2002 03 25 01 23.20 +27 18.5 0.707 0.527 30.4 106.9 4.0
2002 03 27 01 19.83 +30 00.3 0.674 0.542 30.7 109.8 4.0
2002 03 29 01 15.26 +32 43.0 0.643 0.560 31.4 112.0 4.0
2002 03 31 01 09.42 +35 26.1 0.613 0.582 32.3 113.4 4.1
2002 04 02 01 02.23 +38 08.8 0.586 0.606 33.6 114.0 4.2
2002 04 04 00 53.60 +40 50.8 0.561 0.632 35.3 113.8 4.3
2002 04 06 00 43.37 +43 31.3 0.538 0.660 37.4 112.9 4.3
2002 04 08 00 31.37 +46 09.6 0.517 0.689 39.8 111.5 4.4
2002 04 10 00 17.36 +48 44.5 0.498 0.720 42.6 109.4 4.6
2002 04 12 00 01.04 +51 14.5 0.480 0.751 45.8 107.0 4.7
2002 04 14 23 42.04 +53 37.4 0.464 0.783 49.2 104.1 4.8
2002 04 16 23 19.97 +55 50.1 0.450 0.816 53.0 100.9 4.9
2002 04 18 22 54.47 +57 48.3 0.438 0.849 57.0 97.4 5.0
2002 04 20 22 25.31 +59 27.0 0.428 0.882 61.2 93.6 5.1
2002 04 22 21 52.62 +60 40.1 0.419 0.916 65.7 89.7 5.2
2002 04 24 21 17.02 +61 21.6 0.413 0.950 70.3 85.5 5.4
2002 04 26 20 39.75 +61 26.5 0.408 0.984 75.1 81.3 5.5
2002 04 28 20 02.47 +60 52.7 0.405 1.018 80.0 77.0 5.6
2002 04 30 19 26.86 +59 41.1 0.404 1.051 84.9 72.6 5.7
2002 05 02 18 54.17 +57 56.0 0.406 1.085 89.8 68.2 5.9
2002 05 04 18 25.07 +55 43.4 0.410 1.119 94.7 63.9 6.1
2002 05 06 17 59.68 +53 10.0 0.416 1.153 99.5 59.7 6.2
The above orbital elements yield the year of the previous perihelion
passage as T = 1659.7 +/- 0.8 (1 sigma), supporting the presumption of identity
with C/1661 C1 (cf. MPEC 2002-D36, IAUC 7843), for which T = 1661.1.
Brian G. Marsden (C) Copyright 2002 MPC M.P.E.C. 2002-E22
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