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
2013-12-31 02:53:58 S 23 32 49.027 +02 17 42.56 M 250
2013-12-31 03:02:32 S 23 32 49.454 +02 17 44.96 M 250
2013-12-31 03:10:28 S 23 32 49.894 +02 17 46.62 M 250
2013-12-31 03:17:26 S 23 32 50.330 +02 17 47.95 M 250
2014-02-11 10:02:09 S 00 51 14.933 +09 19 34.15 M 250
2014-02-11 10:10:05 S 00 51 15.538 +09 19 38.95 M 250
2014-02-11 10:18:01 S 00 51 16.102 +09 19 43.63 M 250
2014-02-11 10:26:34 S 00 51 16.676 +09 19 48.01 M 250
2014-02-11 10:34:30 S 00 51 17.234 +09 19 51.52 M 250
2014-02-11 10:41:28 S 00 51 17.760 +09 19 54.08 M 250
2014-10-23 15:01:16 C 10 28 42.14 +07 02 58.5 v 568
2014-10-23 15:07:11 C 10 28 42.67 +07 02 56.5 v 568
2014-10-23 15:13:14 C 10 28 43.04 +07 02 53.9 v 568
2015-03-16 13:05:16 C 11 45 12.39 -07 49 06.3 v Q62
2015-03-16 13:08:52 C 11 45 12.23 -07 49 05.1 v Q62
2015-03-16 13:12:27 C 11 45 12.06 -07 49 04.0 v Q62
2016-07-13 11:12:10 C 20 41 37.489 -14 54 00.84 L F51
2016-07-13 11:28:57 C 20 41 36.808 -14 54 01.35 L F51
2016-07-13 11:45:45 C 20 41 36.111 -14 54 01.80 L F51
2016-07-13 12:02:30 C 20 41 35.404 -14 54 02.26 L F51
2018-01-12 11:16:13 C 09 53 27.993 +07 53 45.94 U F51
2018-01-12 11:33:00 C 09 53 27.538 +07 53 45.16 U F51
2018-01-12 11:49:50 C 09 53 27.098 +07 53 44.44 U F51
2018-01-12 12:49:45 C 09 53 25.468 +07 53 41.72 U F51
2018-01-16 10:07:10 C 09 50 49.589 +07 51 00.58 U F51
2018-01-16 10:24:12 C 09 50 49.024 +07 51 00.17 U F51
2018-01-16 10:41:18 C 09 50 48.484 +07 51 00.14 U F51
2018-01-16 10:58:22 C 09 50 47.924 +07 50 59.84 U F51
2018-02-11 15:17:15 C 09 24 30.33 +08 36 45.4 v Q62
2018-02-11 15:21:56 C 09 24 30.09 +08 36 46.2 v Q62
2018-02-11 15:26:38 C 09 24 29.87 +08 36 46.5 v Q62
2018-02-13 22:32:32 C 09 21 58.49 +08 44 10.4 q 215
2018-02-13 22:35:18 C 09 21 58.33 +08 44 10.7 q 215
2018-02-13 22:37:53 C 09 21 58.16 +08 44 11.2 q 215
2018-02-20 07:14:50 C 09 15 18.545 +09 05 59.83 U F51
2018-02-20 07:31:35 C 09 15 17.832 +09 06 02.27 U F51
2018-02-20 07:48:22 C 09 15 17.100 +09 06 04.73 U F51
2018-03-07 05:57:14 C 09 03 18.514 +09 54 13.48 U F51
2018-03-07 06:13:58 C 09 03 18.083 +09 54 15.53 U F51
2018-03-07 06:30:43 C 09 03 17.656 +09 54 17.52 U F51
2020-12-19 14:42:48 C 06 25 56.41 +24 34 54.2 o Q11
2020-12-19 14:51:40 C 06 25 55.97 +24 34 53.0 o Q11
2020-12-20 13:54:59 C 06 24 47.74 +24 31 53.9 q Q11
2020-12-20 14:12:09 C 06 24 46.85 +24 31 51.8 q Q11
2020-12-20 14:29:13 C 06 24 45.98 +24 31 49.8 q Q11
2020-12-21 14:18:28 C 06 23 34.90 +24 28 42.0 q Q11
2020-12-21 14:27:20 C 06 23 34.42 +24 28 40.8 q Q11
2020-12-21 14:36:42 C 06 23 33.94 +24 28 39.5 q Q11
2021-01-07 03:53:53 C 06 04 30.74 +23 30 33.2 V H06
2021-01-07 04:01:23 C 06 04 30.43 +23 30 32.6 V H06