427P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2017-11-22 (JD 2458079.5)
Eccentricity (e)0.3130446325 ± 1.83e-06
Semi-major axis (a)3.1708372050 AU ± 2.41e-05
Inclination (i)11.84936299° ± 1.25e-04
Long. of Asc. Node (Ω)252.39103142° ± 5.03e-04
Arg. of Perihelion (ω)99.94425305° ± 2.60e-03
Mean Anomaly (M)20.41930293° ± 1.19e-03
Mean Motion (n)0.1745593660°/day ± 1.99e-06
Perihelion dist (q)2.17822364 AU ± 1.76e-05
Aphelion dist (Q)4.16345077 AU ± 3.22e-05
Orbital Period5.64636723 yr ± 6.45e-05
Orbit Solution
SourceJPL
Solution Date2026-06-09 11:12:48
RMS Residual0.522″
Uncertainty3
Orbit TypeEncke-type Comet
MOID1.210010 AU
Observations Used442
Oppositions
Arc Total2017-2021
First Observation Used
Last Observation Used2021-06-13
Observations (446)
Date Type RA Dec Mag Band Observatory
2017-09-29 14:11:33 C 00 52 48.35 +25 01 26.4 v T03
2017-09-29 22:13:14 C 00 52 35.90 +24 59 19.7 q A71
2017-09-29 22:34:17 C 00 52 35.30 +24 59 14.0 q A71
2017-09-29 22:55:20 C 00 52 34.72 +24 59 08.8 q A71
2017-09-29 23:16:22 C 00 52 34.12 +24 59 03.3 q A71
2017-09-29 23:20:28 C 00 52 33.92 +24 59 01.8 q 585
2017-09-29 23:21:29 C 00 52 34.05 +24 59 01.5 q A77
2017-09-29 23:21:29 C 00 52 33.88 +24 59 01.5 q 585
2017-09-29 23:22:31 C 00 52 33.86 +24 59 01.3 q 585
2017-09-29 23:23:33 C 00 52 33.83 +24 59 00.8 q 585
2017-09-29 23:24:34 C 00 52 33.80 +24 59 00.6 q 585
2017-09-29 23:25:36 C 00 52 33.77 +24 59 00.3 q 585
2017-09-29 23:26:38 C 00 52 33.75 +24 59 00.0 q 585
2017-09-29 23:27:09 C 00 52 33.84 +24 59 00.7 S C47
2017-09-29 23:27:39 C 00 52 33.72 +24 58 59.7 q 585
2017-09-29 23:28:41 C 00 52 33.69 +24 58 59.4 q 585
2017-09-29 23:29:43 C 00 52 33.66 +24 58 59.2 q 585
2017-09-29 23:31:04 C 00 52 33.63 +24 58 59.0 q 585
2017-09-29 23:32:24 C 00 52 33.60 +24 58 58.6 q 585
2017-09-29 23:32:28 C 00 52 33.68 +24 58 59.0 S C47
2017-09-29 23:33:45 C 00 52 33.57 +24 58 58.3 q 585
2017-09-29 23:35:07 C 00 52 33.53 +24 58 58.1 q 585
2017-09-29 23:36:27 C 00 52 33.50 +24 58 57.7 q 585
2017-09-29 23:37:46 C 00 52 33.55 +24 58 57.9 S C47
2017-09-29 23:37:48 C 00 52 33.47 +24 58 57.5 q 585
2017-09-29 23:39:08 C 00 52 33.42 +24 58 57.3 q 585
2017-09-29 23:43:05 C 00 52 33.40 +24 58 56.5 S C47
2017-09-29 23:51:04 C 00 52 33.15 +24 58 54.1 S C47
2017-09-30 00:24:54 C 00 52 32.20 +24 58 46.4 q A77
2017-09-30 01:26:12 C 00 52 30.50 +24 58 30.1 q A77
2017-09-30 09:54:49 C 00 52 16.70 +24 56 16.3 q G96
2017-09-30 10:01:40 C 00 52 16.51 +24 56 14.6 q G96
2017-09-30 10:08:30 C 00 52 16.30 +24 56 12.7 q G96
2017-09-30 10:15:21 C 00 52 16.12 +24 56 10.9 q G96
2017-09-30 14:31:24 C 00 52 09.60 +24 55 02.8 q Q21
2017-09-30 14:34:26 C 00 52 09.46 +24 55 02.0 q Q21
2017-09-30 14:49:38 C 00 52 09.01 +24 54 57.8 q Q21
2017-09-30 14:57:14 C 00 52 08.80 +24 54 55.8 q Q21
2017-09-30 16:17:05 C 00 52 06.50 +24 54 34.7 m 372
2017-09-30 16:32:36 C 00 52 06.06 +24 54 30.8 m 372
2017-09-30 17:31:26 C 00 52 04.34 +24 54 14.7 m 372
2017-10-01 11:05:06 C 00 51 35.96 +24 49 27.0 L T05
2017-10-01 11:23:15 C 00 51 35.42 +24 49 21.6 L T05
2017-10-01 11:23:54 C 00 51 35.37 +24 49 21.3 L T05
2017-10-01 11:42:33 C 00 51 34.83 +24 49 16.0 L T05
2017-10-03 19:27:29 C 00 50 02.97 +24 32 55.1 m 372
2017-10-03 19:34:59 C 00 50 02.75 +24 32 52.8 m 372
2017-10-03 22:57:05 C 00 49 57.58 +24 31 49.6 q A77
2017-10-03 23:54:15 C 00 49 55.95 +24 31 32.5 q A77
2017-10-04 00:57:48 C 00 49 54.02 +24 31 13.0 q A77