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
2017-07-22 09:09:11 C 00 44 08.55 +20 44 11.8 V W84
2017-07-28 09:14:24 C 00 49 33.31 +21 46 36.1 V W84
2017-09-01 10:37:21 C 01 04 07.528 +25 46 29.99 L F51
2017-09-01 10:53:12 C 01 04 07.457 +25 46 32.09 L F51
2017-09-01 11:25:01 C 01 04 07.315 +25 46 36.01 L F51
2017-09-11 12:30:42 C 01 02 06.39 +25 59 41.1 L T05
2017-09-11 12:38:14 C 01 02 06.20 +25 59 41.2 L T05
2017-09-11 12:49:11 C 01 02 06.13 +25 59 40.7 L T05
2017-09-11 12:58:05 C 01 02 06.00 +25 59 40.6 L T05
2017-09-13 11:38:31 C 01 01 24.50 +25 58 33.9 L T08
2017-09-13 11:54:56 C 01 01 24.19 +25 58 34.3 L T08
2017-09-13 12:13:55 C 01 01 23.83 +25 58 33.0 L T08
2017-09-13 12:14:35 C 01 01 23.83 +25 58 33.1 L T08
2017-09-17 11:24:18 C 00 59 42.59 +25 52 23.8 L T08
2017-09-17 11:37:20 C 00 59 42.33 +25 52 23.4 L T08
2017-09-17 11:46:14 C 00 59 42.14 +25 52 21.9 L T08
2017-09-17 12:06:34 C 00 59 41.69 +25 52 20.5 L T08
2017-09-23 11:13:12 C 00 56 33.78 +25 33 11.4 L T05
2017-09-23 11:27:55 C 00 56 33.37 +25 33 08.5 L T05
2017-09-23 11:49:55 C 00 56 32.78 +25 33 04.3 L T05
2017-09-23 11:58:55 C 00 56 32.54 +25 33 03.1 L T05
2017-09-27 11:35:57 C 00 54 08.80 +25 13 42.5 L T05
2017-09-27 11:46:38 C 00 54 08.49 +25 13 39.8 L T05
2017-09-27 11:49:49 C 00 54 08.40 +25 13 39.2 L T05
2017-09-27 11:56:42 C 00 54 08.21 +25 13 37.4 L T05
2017-09-28 04:51:21 C 00 53 42.12 +25 09 38.4 v U69
2017-09-28 04:55:37 C 00 53 42.01 +25 09 37.5 v U69
2017-09-28 04:59:48 C 00 53 41.90 +25 09 36.7 v U69
2017-09-28 05:48:46 C 00 53 40.51 +25 09 25.7 q I52
2017-09-28 05:56:23 C 00 53 40.29 +25 09 23.7 q I52
2017-09-28 06:04:03 C 00 53 40.07 +25 09 21.9 q I52
2017-09-28 06:11:52 C 00 53 39.87 +25 09 20.2 q I52
2017-09-28 07:09:42 C 00 53 38.07 +25 09 06.0 q W25
2017-09-28 07:33:05 C 00 53 37.40 +25 09 00.4 q W25
2017-09-28 14:13:14 C 00 53 27.19 +25 07 23.5 q D29
2017-09-28 14:33:36 C 00 53 26.59 +25 07 18.5 q D29
2017-09-28 14:51:42 C 00 53 26.01 +25 07 14.6 q 900
2017-09-28 14:53:57 C 00 53 26.02 +25 07 13.3 q D29
2017-09-28 15:01:59 C 00 53 25.74 +25 07 12.3 q 900
2017-09-28 15:12:47 C 00 53 25.40 +25 07 09.4 q 900
2017-09-28 19:04:23 C 00 53 19.57 +25 06 09.9 q A71
2017-09-28 19:15:36 C 00 53 19.27 +25 06 08.4 o K88
2017-09-28 19:20:15 C 00 53 19.14 +25 06 07.3 o K88
2017-09-28 19:20:17 C 00 53 19.13 +25 06 06.0 q A71
2017-09-28 19:24:55 C 00 53 19.03 +25 06 06.2 o K88
2017-09-28 19:37:01 C 00 53 18.66 +25 06 02.4 q A71
2017-09-28 19:48:19 C 00 53 18.41 +25 05 59.6 Q J08
2017-09-28 20:01:11 C 00 53 18.05 +25 05 56.8 Q J08
2017-09-28 20:10:50 C 00 53 17.80 +25 05 54.7 Q J08
2017-09-28 20:29:40 C 00 53 17.31 +25 05 50.1 q C77