311P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2017-07-27 (JD 2457961.5)
Eccentricity (e)0.1156465709 ± 1.32e-07
Semi-major axis (a)2.1886928320 AU ± 2.71e-08
Inclination (i)4.96658171° ± 1.26e-05
Long. of Asc. Node (Ω)279.25802401° ± 2.09e-04
Arg. of Perihelion (ω)143.98682684° ± 2.48e-04
Mean Anomaly (M)4.97792663° ± 1.19e-04
Mean Motion (n)0.3043875258°/day ± 5.65e-09
Perihelion dist (q)1.93557801 AU ± 2.89e-07
Aphelion dist (Q)2.44180765 AU ± 2.90e-07
Orbital Period3.23806398 yr ± 6.01e-08
Orbit Solution
SourceJPL
Solution Date2026-07-28 14:12:27
RMS Residual0.363″
Uncertainty0
Orbit TypeEncke-type Comet
MOID0.950420 AU
Observations Used278
Oppositions
Arc Total2005-2026
First Observation Used
Last Observation Used2026-07-22
Observations (277)
Date Type RA Dec Mag Band Observatory
2013-08-28 13:16:30 C 22 52 18.77 +01 40 53.7 c Q62
2013-08-30 08:45:59 C 22 50 31.618 +01 34 23.32 t 568
2013-08-30 08:51:47 C 22 50 31.366 +01 34 22.44 t 568
2013-08-30 08:57:35 C 22 50 31.118 +01 34 21.59 t 568
2013-08-30 09:04:34 C 22 50 30.814 +01 34 20.46 t 568
2013-08-30 09:16:11 C 22 50 30.305 +01 34 18.70 t 568
2013-08-30 11:19:18 C 22 50 25.31 +01 34 06.7 c Q62
2013-08-30 11:21:38 C 22 50 25.22 +01 34 06.5 c Q62
2013-08-30 11:23:57 C 22 50 25.10 +01 34 05.9 c Q62
2013-08-30 11:26:16 C 22 50 25.05 +01 34 05.7 c Q62
2013-09-01 16:12:25 C 22 48 12.21 +01 25 34.4 c Q62
2013-09-01 16:12:25 C 22 48 12.20 +01 25 34.2 v Q62
2013-09-01 16:14:11 C 22 48 12.09 +01 25 34.2 c Q62
2013-09-01 16:14:46 C 22 48 12.06 +01 25 33.5 v Q62
2013-09-01 16:17:06 C 22 48 11.94 +01 25 33.3 c Q62
2013-09-01 16:17:06 C 22 48 11.93 +01 25 33.2 v Q62
2013-09-03 10:00:05 C 22 46 26.549 +01 18 12.85 L F51
2013-09-03 10:21:31 C 22 46 25.596 +01 18 08.93 L F51
2013-09-03 10:42:57 C 22 46 24.643 +01 18 05.14 L F51
2013-09-03 11:04:25 C 22 46 23.687 +01 18 01.27 L F51
2013-09-03 15:36:11 C 22 46 12.08 +01 17 19.0 w E10
2013-09-03 15:44:51 C 22 46 11.69 +01 17 17.4 w E10
2013-09-03 15:53:32 C 22 46 11.31 +01 17 16.0 w E10
2013-09-03 22:44:26 C 22 45 54.22 +01 15 51.4 q C10
2013-09-03 23:31:51 C 22 45 52.11 +01 15 42.8 q C10
2013-09-04 00:05:34 C 22 45 50.69 +01 15 37.2 q C10
2013-09-04 21:37:22 C 22 44 56.01 +01 11 37.4 q 215
2013-09-04 21:41:04 C 22 44 55.83 +01 11 37.1 q 215
2013-09-04 21:44:45 C 22 44 55.65 +01 11 37.1 q 215
2013-09-05 08:01:25 C 22 44 29.708 +01 09 45.17 t 568
2013-09-05 08:07:13 C 22 44 29.451 +01 09 44.05 t 568
2013-09-05 08:13:01 C 22 44 29.194 +01 09 42.96 t 568
2013-09-05 08:18:49 C 22 44 28.938 +01 09 41.87 t 568
2013-09-05 08:24:38 C 22 44 28.679 +01 09 40.78 t 568
2013-09-05 08:30:26 C 22 44 28.422 +01 09 39.70 t 568
2013-09-10 10:29:35 C 22 39 20.496 +00 45 12.98 t 568
2013-09-10 10:39:17 C 22 39 20.077 +00 45 10.90 t 568
2013-09-10 10:43:57 C 22 39 19.874 +00 45 09.97 t 568
2013-09-11 20:25:11 C 22 37 57.25 +00 37 58.8 t G36
2013-09-11 20:46:42 C 22 37 56.33 +00 37 54.1 t G36
2013-09-11 21:02:46 C 22 37 55.67 +00 37 50.8 t G36
2013-09-12 05:20:08 C 22 37 34.94 +00 36 11.4 q W96
2013-09-12 06:15:06 C 22 37 32.60 +00 35 59.8 q W96
2013-09-12 07:14:25 C 22 37 30.09 +00 35 46.6 q W96
2013-09-25 19:03:19 C 22 25 57.42 -00 35 54.9 t G36
2013-09-25 19:38:54 C 22 25 56.34 -00 36 02.7 t G36
2013-09-25 20:42:42 C 22 25 54.39 -00 36 16.3 t G36
2013-09-27 07:14:25 C 22 24 55.425 -00 43 38.03 L F51
2013-09-27 07:34:52 C 22 24 54.831 -00 43 42.29 L F51
2013-09-27 07:55:22 C 22 24 54.208 -00 43 46.67 L F51