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
2021-10-26 09:48:23 C 01 59 35.808 -13 49 16.03 U F51
2021-10-30 08:09:37 C 01 57 11.309 -13 53 25.51 U F51
2021-10-30 08:32:17 C 01 57 10.726 -13 53 26.34 U F51
2021-10-30 08:49:14 C 01 57 10.285 -13 53 26.92 U F51
2021-10-30 09:06:09 C 01 57 09.845 -13 53 27.53 U F51
2021-11-08 09:32:18 C 01 51 49.868 -13 54 21.25 U F52
2021-11-08 09:49:43 C 01 51 49.442 -13 54 20.91 U F52
2021-11-08 10:07:08 C 01 51 49.024 -13 54 20.56 U F52
2021-11-26 06:06:20 C 01 43 10.961 -13 20 01.00 U F52
2021-11-26 06:22:44 C 01 43 10.698 -13 19 58.80 U F52
2021-11-26 06:39:09 C 01 43 10.426 -13 19 56.73 U F52
2021-11-26 06:55:35 C 01 43 10.158 -13 19 54.47 U F52
2021-12-06 03:42:22 C 01 40 02.63 -12 41 42.5 V G96
2021-12-06 03:50:33 C 01 40 02.54 -12 41 41.3 V G96
2021-12-06 03:58:43 C 01 40 02.50 -12 41 40.3 V G96
2021-12-06 04:06:54 C 01 40 02.37 -12 41 38.0 V G96
2022-10-30 05:17:14 C 05 30 14.66 +13 22 33.9 X W62
2022-10-30 05:32:06 C 05 30 14.47 +13 22 34.4 X W62
2022-10-30 05:45:55 C 05 30 14.32 +13 22 35.5 X W62
2022-10-31 00:08:29 C 05 30 02.179 +13 23 25.87 Z Z28
2022-10-31 00:23:02 C 05 30 01.925 +13 23 26.59 Z Z28
2022-11-16 10:47:34 C 05 23 14.917 +13 46 55.31 V G96
2022-11-16 10:54:57 C 05 23 14.759 +13 46 55.74 V G96
2022-11-16 11:02:19 C 05 23 14.575 +13 46 56.68 V G96
2022-11-16 11:09:43 C 05 23 14.392 +13 46 57.00 V G96
2022-11-24 08:42:16 C 05 18 32.692 +14 02 21.59 V V00
2022-11-24 08:49:27 C 05 18 32.490 +14 02 22.31 V V00
2022-11-24 08:56:36 C 05 18 32.292 +14 02 22.81 V V00
2022-11-24 09:03:45 C 05 18 32.083 +14 02 23.64 V V00
2022-12-17 05:49:38 C 05 02 20.288 +15 03 16.63 V G96
2022-12-17 05:57:38 C 05 02 20.029 +15 03 17.50 V G96
2022-12-17 06:05:37 C 05 02 19.795 +15 03 18.83 V G96
2022-12-17 06:13:36 C 05 02 19.554 +15 03 19.73 V G96
2022-12-25 05:54:40 C 04 56 45.200 +15 29 54.31 V G96
2022-12-25 06:02:45 C 04 56 44.977 +15 29 55.39 V G96
2022-12-25 06:10:48 C 04 56 44.765 +15 29 56.58 V G96
2022-12-25 06:18:52 C 04 56 44.516 +15 29 57.80 V G96
2022-12-25 18:00:23 C 04 56 25.20 +15 31 38.9 q 215
2022-12-25 18:05:58 C 04 56 25.06 +15 31 40.3 q 215
2022-12-25 18:11:33 C 04 56 24.95 +15 31 42.0 q 215
2023-01-13 05:50:08 C 04 46 18.010 +16 42 12.14 U F52
2023-01-13 06:06:50 C 04 46 17.716 +16 42 15.00 U F52
2023-01-13 06:23:35 C 04 46 17.417 +16 42 17.92 U F52
2023-01-13 06:40:32 C 04 46 17.113 +16 42 20.89 U F52
2023-01-18 02:05:07 C 04 44 31.95 +17 02 20.3 V X03
2023-01-18 02:19:33 C 04 44 31.75 +17 02 23.0 V X03
2023-01-18 02:34:00 C 04 44 31.56 +17 02 25.8 V X03
2023-02-02 22:01:29 C 04 41 52.09 +18 11 25.9 X C95
2023-02-02 23:12:08 C 04 41 52.09 +18 11 38.9 X C95
2023-02-13 18:04:08 C 04 42 52.118 +19 00 42.95 X K74