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
2017-10-14 21:07:57 C 00 42 53.61 +22 56 54.0 q 157
2017-10-14 21:09:00 C 00 42 53.58 +22 56 52.6 c B96
2017-10-14 21:11:21 C 00 42 53.52 +22 56 51.9 c B96
2017-10-14 21:13:43 C 00 42 53.47 +22 56 51.1 c B96
2017-10-14 21:15:31 C 00 42 53.40 +22 56 51.0 q 157
2017-10-14 21:16:05 C 00 42 53.38 +22 56 50.1 c B96
2017-10-15 20:05:51 C 00 42 19.06 +22 47 25.4 q K77
2017-10-15 20:16:09 C 00 42 18.80 +22 47 21.1 q K77
2017-10-15 21:24:01 C 00 42 17.08 +22 46 54.9 c B96
2017-10-15 21:26:21 C 00 42 16.91 +22 46 53.2 c B96
2017-10-15 21:28:42 C 00 42 16.86 +22 46 52.3 c B96
2017-10-15 21:31:03 C 00 42 16.79 +22 46 51.4 c B96
2017-10-15 21:33:26 C 00 42 16.75 +22 46 50.9 c B96
2017-10-15 21:35:47 C 00 42 16.72 +22 46 48.8 c B96
2017-10-15 22:19:11 C 00 42 15.60 +22 46 30.5 q 970
2017-10-15 22:30:06 C 00 42 15.36 +22 46 25.3 q 970
2017-10-15 22:32:32 C 00 42 15.25 +22 46 25.9 q A77
2017-10-15 23:29:49 C 00 42 13.74 +22 46 01.3 q A77
2017-10-16 00:33:31 C 00 42 12.07 +22 45 35.2 q A77
2017-10-16 22:50:29 C 00 41 39.39 +22 36 16.2 U 130
2017-10-16 22:53:25 C 00 41 39.36 +22 36 15.1 U 130
2017-10-16 22:57:06 C 00 41 39.25 +22 36 13.5 U 130
2017-10-16 23:01:32 C 00 41 39.15 +22 36 11.6 U 130
2017-10-18 10:16:36 C 00 40 48.744 +22 21 14.99 L F51
2017-10-18 10:34:09 C 00 40 48.299 +22 21 07.35 L F51
2017-10-18 10:51:49 C 00 40 47.856 +22 20 59.76 L F51
2017-10-18 11:09:26 C 00 40 47.412 +22 20 52.11 L F51
2017-10-19 09:33:22 C 00 40 16.65 +22 11 12.2 U T08
2017-10-19 09:49:27 C 00 40 16.26 +22 11 05.0 U T08
2017-10-19 10:10:10 C 00 40 15.75 +22 10 56.3 U T08
2017-10-19 10:21:26 C 00 40 15.41 +22 10 50.3 U T08
2017-10-20 20:53:28 C 00 39 29.83 +21 55 43.5 q C10
2017-10-20 21:26:35 C 00 39 29.06 +21 55 29.3 q C10
2017-10-20 22:01:25 C 00 39 28.29 +21 55 13.5 q C10
2017-10-21 07:38:46 C 00 39 15.79 +21 51 01.4 U 703
2017-10-21 07:46:33 C 00 39 15.54 +21 50 58.0 U 703
2017-10-21 07:54:23 C 00 39 15.31 +21 50 53.2 U 703
2017-10-21 08:02:15 C 00 39 15.12 +21 50 49.4 U 703
2017-10-21 19:38:08 C 00 39 00.85 +21 45 41.3 c B96
2017-10-21 19:40:28 C 00 39 00.77 +21 45 39.3 c B96
2017-10-21 20:21:47 C 00 38 59.83 +21 45 22.3 c B96
2017-10-23 09:57:13 C 00 38 13.97 +21 28 42.7 c T08
2017-10-23 10:18:16 C 00 38 13.50 +21 28 33.4 c T08
2017-10-23 10:33:26 C 00 38 13.19 +21 28 25.4 c T08
2017-10-24 20:45:23 C 00 37 34.48 +21 13 05.1 q 585
2017-10-24 20:46:24 C 00 37 34.47 +21 13 04.7 q 585
2017-10-24 20:47:25 C 00 37 34.49 +21 13 04.2 q 585
2017-10-24 20:48:27 C 00 37 34.42 +21 13 03.5 q 585
2017-10-24 20:49:27 C 00 37 34.40 +21 13 02.8 q 585
2017-10-24 20:50:28 C 00 37 34.41 +21 13 02.7 q 585