121P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2008-08-22 (JD 2454700.5)
Eccentricity (e)0.2040294259 ± 1.03e-07
Semi-major axis (a)4.5185643776 AU ± 2.34e-07
Inclination (i)20.72515328° ± 1.00e-05
Long. of Asc. Node (Ω)95.96491567° ± 1.78e-05
Arg. of Perihelion (ω)18.01565461° ± 2.79e-05
Mean Anomaly (M)167.88552122° ± 4.30e-05
Mean Motion (n)0.1026132310°/day ± 7.96e-09
Perihelion dist (q)3.59664428 AU ± 5.01e-07
Aphelion dist (Q)5.44048447 AU ± 5.44e-07
Orbital Period9.60525532 yr ± 7.45e-07
Orbit Solution
SourceJPL
Solution Date2026-05-22 14:12:30
RMS Residual0.623″
Uncertainty0
Orbit TypeJupiter-family Comet
MOID2.620150 AU
Observations Used772
Oppositions
Arc Total1989-2026
First Observation Used
Last Observation Used2026-05-13
Observations (798)
Date Type RA Dec Mag Band Observatory
2015-04-13 07:55:41 C 12 39 24.981 +23 43 30.60 L F51
2016-04-10 12:59:26 C 15 26 12.819 +01 30 02.06 L F51
2016-04-10 13:18:07 C 15 26 12.477 +01 30 03.74 L F51
2016-04-10 13:35:45 C 15 26 12.155 +01 30 05.56 L F51
2016-04-10 13:53:23 C 15 26 11.816 +01 30 07.58 L F51
2016-05-06 10:13:50 C 15 12 34.795 +02 16 53.36 L F51
2016-05-06 10:46:20 C 15 12 33.987 +02 16 54.42 L F51
2016-05-06 11:02:48 C 15 12 33.574 +02 16 55.13 L F51
2016-06-03 08:35:39 C 14 57 21.664 +02 06 33.12 L F51
2016-06-03 08:52:27 C 14 57 21.331 +02 06 32.09 L F51
2016-06-03 09:09:08 C 14 57 21.001 +02 06 30.99 L F51
2016-06-04 10:04:10 C 14 56 52.507 +02 04 42.91 L F51
2016-06-04 10:23:14 C 14 56 52.154 +02 04 41.48 L F51
2016-06-04 10:42:15 C 14 56 51.777 +02 04 40.01 L F51
2016-06-11 07:58:35 C 14 53 59.04 +01 50 12.9 1 T09
2016-06-11 07:59:12 C 14 53 59.04 +01 50 12.9 1 T09
2016-06-11 09:04:59 C 14 53 57.94 +01 50 06.2 1 T09
2016-06-11 09:05:36 C 14 53 57.94 +01 50 06.2 1 T09
2016-06-11 09:24:47 C 14 53 57.61 +01 50 04.2 1 T09
2016-06-11 09:25:23 C 14 53 57.61 +01 50 04.2 1 T09
2016-06-11 09:40:30 C 14 53 57.35 +01 50 02.6 1 T09
2016-06-11 09:41:06 C 14 53 57.35 +01 50 02.6 1 T09
2016-06-11 09:57:09 C 14 53 57.08 +01 50 01.0 1 T09
2016-06-11 09:57:44 C 14 53 57.08 +01 50 01.0 1 T09
2020-08-14 11:58:18 C 23 43 05.445 -26 48 22.59 U F51
2020-08-14 12:24:59 C 23 43 05.004 -26 48 28.90 U F51
2020-08-14 12:38:17 C 23 43 04.785 -26 48 31.85 U F51
2020-10-16 07:31:45 C 23 11 29.349 -29 50 30.70 U F51
2020-10-16 07:45:40 C 23 11 29.119 -29 50 30.25 U F51
2020-10-16 07:59:37 C 23 11 28.900 -29 50 29.53 U F51
2020-10-16 08:13:30 C 23 11 28.652 -29 50 28.86 U F51
2021-09-26 13:35:32 C 02 16 05.862 -12 19 06.10 U F52
2021-09-26 13:51:07 C 02 16 05.572 -12 19 08.98 U F52
2021-09-26 14:06:41 C 02 16 05.279 -12 19 11.87 U F52
2021-09-26 14:22:12 C 02 16 05.028 -12 19 14.55 U F52
2021-09-30 09:56:37 C 02 14 22.240 -12 35 00.60 U F51
2021-09-30 10:16:09 C 02 14 21.841 -12 35 03.89 U F51
2021-09-30 10:35:39 C 02 14 21.445 -12 35 07.12 U F51
2021-09-30 10:55:08 C 02 14 21.048 -12 35 10.40 U F51
2021-10-14 07:07:13 C 02 06 56.36 -13 23 34.7 V G96
2021-10-14 07:14:55 C 02 06 56.16 -13 23 36.2 V G96
2021-10-14 07:22:37 C 02 06 55.99 -13 23 37.3 V G96
2021-10-14 07:30:21 C 02 06 55.77 -13 23 39.0 V G96
2021-10-14 10:17:34 C 02 06 51.714 -13 23 57.45 U F52
2021-10-14 10:34:10 C 02 06 51.301 -13 23 59.24 U F52
2021-10-14 10:50:44 C 02 06 50.862 -13 24 01.38 U F52
2021-10-14 11:07:21 C 02 06 50.481 -13 24 03.18 U F52
2021-10-26 08:49:39 C 01 59 37.350 -13 49 12.80 U F51
2021-10-26 09:08:18 C 01 59 36.853 -13 49 14.03 U F51
2021-10-26 09:26:56 C 01 59 36.383 -13 49 15.04 U F51