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
2013-09-27 08:15:53 C 22 24 53.597 -00 43 51.03 L F51
2013-09-28 06:15:21 C 22 24 18.196 -00 48 29.28 t 568
2013-09-28 06:20:12 C 22 24 18.052 -00 48 30.37 t 568
2013-09-28 06:24:00 C 22 24 17.954 -00 48 31.17 t 568
2013-09-28 06:27:48 C 22 24 17.846 -00 48 31.93 t 568
2013-09-28 06:31:59 C 22 24 17.729 -00 48 32.76 t 568
2013-09-28 06:35:47 C 22 24 17.621 -00 48 33.65 t 568
2013-09-29 05:03:04 C 22 23 42.932 -00 53 13.77 t 568
2013-09-29 05:06:52 C 22 23 42.832 -00 53 14.54 t 568
2013-09-29 05:10:40 C 22 23 42.735 -00 53 15.29 t 568
2013-10-03 18:54:31 C 22 21 15.89 -01 15 00.3 t G36
2013-10-03 19:07:02 C 22 21 15.59 -01 15 02.5 t G36
2013-10-03 19:33:21 C 22 21 15.03 -01 15 07.5 t G36
2013-10-07 18:53:42 C 22 19 41.08 -01 32 07.7 t G36
2013-10-07 19:55:05 C 22 19 40.22 -01 32 18.4 t G36
2013-10-07 20:44:08 C 22 19 39.43 -01 32 26.6 t G36
2013-10-18 15:17:40 S 22 18 12.010 -02 07 15.90 M 250
2013-10-18 15:25:36 S 22 18 11.854 -02 07 16.25 M 250
2013-10-18 15:33:32 S 22 18 11.650 -02 07 15.82 M 250
2013-10-18 15:42:04 S 22 18 11.431 -02 07 14.72 M 250
2013-10-18 15:50:00 S 22 18 11.299 -02 07 13.68 M 250
2013-10-18 15:56:58 S 22 18 11.263 -02 07 13.12 M 250
2013-10-18 16:53:20 S 22 18 12.211 -02 07 25.41 M 250
2013-10-18 17:01:16 S 22 18 12.070 -02 07 25.81 M 250
2013-10-18 17:09:12 S 22 18 11.866 -02 07 25.27 M 250
2013-10-18 17:17:44 S 22 18 11.650 -02 07 24.20 M 250
2013-10-18 17:25:40 S 22 18 11.518 -02 07 23.18 M 250
2013-10-18 17:32:39 S 22 18 11.482 -02 07 22.61 M 250
2013-11-07 11:50:16 C 22 25 41.62 -02 20 28.4 u E10
2013-11-07 12:13:58 C 22 25 42.26 -02 20 27.3 u E10
2013-11-13 08:20:51 S 22 30 10.541 -02 11 07.38 M 250
2013-11-13 08:28:47 S 22 30 10.678 -02 11 06.90 M 250
2013-11-13 08:36:43 S 22 30 10.762 -02 11 07.19 M 250
2013-11-13 08:45:15 S 22 30 10.850 -02 11 08.16 M 250
2013-11-13 08:53:11 S 22 30 10.997 -02 11 08.94 M 250
2013-11-13 09:00:10 S 22 30 11.194 -02 11 09.35 M 250
2013-11-13 09:56:32 S 22 30 13.889 -02 10 59.32 M 250
2013-11-13 10:04:50 S 22 30 14.033 -02 10 58.80 M 250
2013-11-13 10:12:46 S 22 30 14.119 -02 10 59.10 M 250
2013-11-13 10:21:19 S 22 30 14.218 -02 10 59.91 M 250
2013-11-13 10:29:37 S 22 30 14.376 -02 11 00.68 M 250
2013-11-13 10:36:11 S 22 30 14.575 -02 11 01.00 M 250
2013-12-08 07:49:23 S 22 58 07.997 -00 29 05.75 M 250
2013-12-08 07:57:19 S 22 58 08.318 -00 29 04.13 M 250
2013-12-08 08:05:15 S 22 58 08.599 -00 29 01.48 M 250
2013-12-08 08:13:48 S 22 58 08.904 -00 28 58.12 M 250
2013-12-08 08:21:44 S 22 58 09.238 -00 28 54.80 M 250
2013-12-08 08:28:43 S 22 58 09.598 -00 28 52.08 M 250
2013-12-31 02:38:06 S 23 32 48.187 +02 17 36.24 M 250
2013-12-31 02:46:02 S 23 32 48.629 +02 17 39.70 M 250