28P

⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2023-04-13 (JD 2460047.5)
Eccentricity (e)0.7735624292 ± 7.68e-09
Semi-major axis (a)6.9816940624 AU ± 3.23e-08
Inclination (i)14.31027682° ± 1.96e-06
Long. of Asc. Node (Ω)346.34472654° ± 1.63e-05
Arg. of Perihelion (ω)347.46734653° ± 1.62e-05
Mean Anomaly (M)40.72445789° ± 1.96e-06
Mean Motion (n)0.0534282630°/day ± 3.70e-10
Perihelion dist (q)1.58091784 AU ± 5.41e-08
Aphelion dist (Q)12.38247028 AU ± 7.84e-08
Orbital Period18.44765726 yr ± 1.28e-07
NGA Modelg(r)
A2-3.47556235e-13 ± 3.75e-14 AU/d²
Orbit Solution
SourceIAA
Solution Date2026-06-03
RMS Residual0.245″
Uncertainty0
Orbit TypeCentaur
MOID0.572480 AU
Observations Used1170
Oppositions105
Arc Total1913-2024
First Observation Used1913-09-08
Last Observation Used2024-04-08
Observations (1277)
Date Type RA Dec Mag Band Observatory
2021-08-18 18:02:23 C 04 47 40.05 +34 48 22.4 q D95
2021-08-20 14:27:55 C 04 50 13.39 +35 02 15.1 V T08
2021-08-20 14:35:52 C 04 50 13.84 +35 02 17.6 V T08
2021-08-20 14:55:11 C 04 50 14.90 +35 02 23.6 V T08
2021-08-20 15:05:08 C 04 50 15.48 +35 02 26.8 V T08
2021-08-22 14:32:42 C 04 52 54.80 +35 17 02.9 V T05
2021-08-22 14:50:01 C 04 52 55.70 +35 17 08.4 V T05
2021-08-22 14:58:41 C 04 52 56.19 +35 17 10.9 V T05
2021-08-22 15:04:44 C 04 52 56.54 +35 17 12.7 V T05
2021-08-23 09:50:17 C 04 53 58.24 +35 22 54.3 U I41
2021-08-23 11:16:03 C 04 54 02.85 +35 23 21.0 U I41
2021-08-23 23:59:02 C 04 54 43.93 +35 27 09.8 V C23
2021-08-24 00:07:22 C 04 54 44.57 +35 27 13.7 V C23
2021-08-25 11:12:54 C 04 56 36.80 +35 37 50.0 U I41
2021-08-25 11:35:18 C 04 56 37.97 +35 37 56.8 U I41
2021-08-25 23:32:28 C 04 57 15.33 +35 41 28.9 V A71
2021-08-25 23:39:25 C 04 57 15.85 +35 41 31.7 V A71
2021-08-25 23:46:21 C 04 57 16.40 +35 41 34.7 V A71
2021-08-25 23:53:18 C 04 57 16.66 +35 41 37.9 V A71
2021-08-27 11:28:04 C 04 59 06.59 +35 52 14.2 V G96
2021-08-27 11:35:40 C 04 59 06.97 +35 52 16.5 V G96
2021-08-27 11:43:18 C 04 59 07.34 +35 52 18.8 V G96
2021-08-27 11:50:53 C 04 59 07.73 +35 52 21.1 V G96
2021-08-28 14:31:48 C 05 00 28.32 +36 00 15.4 V T08
2021-08-28 14:48:23 C 05 00 29.12 +36 00 20.1 V T08
2021-08-28 15:03:15 C 05 00 29.85 +36 00 24.8 V T08
2021-08-28 15:12:41 C 05 00 30.32 +36 00 27.7 V T08
2021-09-02 23:57:23 C 05 06 35.32 +36 37 50.8 V A71
2021-09-03 00:05:56 C 05 06 35.69 +36 37 53.0 V A71
2021-09-03 00:16:37 C 05 06 36.16 +36 37 55.9 V A71
2021-09-05 14:20:35 C 05 09 17.42 +36 55 41.2 V T08
2021-09-05 14:25:53 C 05 09 17.64 +36 55 42.7 V T08
2021-09-05 15:09:51 C 05 09 19.44 +36 55 55.5 V T08
2021-09-07 14:33:43 C 05 11 15.83 +37 09 18.5 V T05
2021-09-07 14:41:15 C 05 11 16.12 +37 09 20.6 V T05
2021-09-07 14:59:48 C 05 11 16.83 +37 09 25.8 V T05
2021-09-07 15:14:23 C 05 11 17.39 +37 09 30.1 V T05
2021-09-08 01:13:49 C 05 11 41.24 +37 12 16.2 V 970
2021-09-08 01:19:48 C 05 11 41.46 +37 12 17.4 V 970
2021-09-08 01:33:50 C 05 11 42.01 +37 12 21.5 V C23
2021-09-08 01:38:00 C 05 11 42.24 +37 12 22.9 V C23
2021-09-08 01:44:14 C 05 11 42.42 +37 12 25.0 V C23
2021-09-08 02:06:26 C 05 11 43.27 +37 12 30.5 V I81
2021-09-08 02:09:29 C 05 11 43.39 +37 12 31.4 V I81
2021-09-08 02:12:31 C 05 11 43.51 +37 12 32.2 V I81
2021-09-09 03:32:43 C 05 12 42.45 +37 19 39.6 V J22
2021-09-09 03:38:12 C 05 12 42.69 +37 19 41.0 V J22
2021-09-09 03:43:41 C 05 12 42.90 +37 19 42.5 V J22
2021-09-09 10:56:30 C 05 12 59.38 +37 21 43.8 U I41
2021-09-09 11:02:36 C 05 12 59.58 +37 21 45.7 V H06