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
2021-11-29 11:54:03 C 04 48 30.06 +42 57 02.2 q D95
2021-11-29 12:02:14 C 04 48 29.63 +42 57 01.6 q D95
2021-11-29 14:11:23 C 04 48 23.16 +42 56 53.3 V 900
2021-11-29 14:21:29 C 04 48 22.65 +42 56 52.7 V 900
2021-12-02 10:51:38 C 04 45 01.01 +42 51 16.8 V T08
2021-12-02 10:56:17 C 04 45 00.76 +42 51 16.3 V T08
2021-12-02 11:04:55 C 04 45 00.31 +42 51 15.4 V T08
2021-12-02 11:19:31 C 04 44 59.60 +42 51 14.3 V T08
2021-12-02 11:57:07 C 04 44 58.04 +42 51 09.1 q Q11
2021-12-02 12:09:38 C 04 44 57.41 +42 51 08.1 q Q11
2021-12-02 12:22:07 C 04 44 56.80 +42 51 07.0 q Q11
2021-12-06 12:33:51 C 04 40 19.49 +42 40 35.7 V P87
2021-12-06 12:44:10 C 04 40 18.99 +42 40 34.4 V P87
2021-12-07 00:01:16 C 04 39 46.93 +42 39 08.0 V I81
2021-12-07 00:06:23 C 04 39 46.69 +42 39 07.4 V I81
2021-12-07 00:11:30 C 04 39 46.45 +42 39 06.7 V I81
2021-12-10 10:08:50 C 04 36 00.01 +42 27 43.3 V T08
2021-12-10 10:13:29 C 04 35 59.80 +42 27 42.6 V T08
2021-12-10 11:01:53 C 04 35 57.56 +42 27 35.1 V T08
2021-12-10 11:42:47 C 04 35 55.65 +42 27 28.9 V T08
2021-12-10 14:13:41 C 04 35 49.03 +42 27 06.2 S Q21
2021-12-10 14:27:16 C 04 35 48.35 +42 27 02.7 S Q21
2021-12-12 12:21:59 C 04 33 46.66 +42 19 48.7 m 349
2021-12-12 12:36:57 C 04 33 45.97 +42 19 46.5 m 349
2021-12-21 12:09:29 C 04 25 10.78 +41 39 38.9 V T08
2021-12-21 12:24:06 C 04 25 10.22 +41 39 34.9 V T08
2021-12-21 12:32:46 C 04 25 09.87 +41 39 32.8 V T08
2021-12-21 12:44:06 C 04 25 09.56 +41 39 31.4 V T08
2021-12-21 22:11:42 C 04 24 49.64 +41 37 33.0 V I81
2021-12-21 22:16:47 C 04 24 49.46 +41 37 32.0 V I81
2021-12-21 22:21:52 C 04 24 49.28 +41 37 31.0 V I81
2021-12-22 11:43:33 C 04 24 21.29 +41 34 45.5 q Q21
2021-12-22 11:43:33 C 04 24 21.32 +41 34 45.5 q Q21
2021-12-22 14:51:25 C 04 24 14.59 +41 34 06.3 V 900
2021-12-22 15:01:30 C 04 24 14.23 +41 34 04.1 V 900
2021-12-25 08:30:31 C 04 22 04.02 +41 20 07.2 V T08
2021-12-25 08:45:17 C 04 22 03.52 +41 20 04.1 V T08
2021-12-25 08:56:38 C 04 22 03.17 +41 20 01.7 V T08
2021-12-25 09:01:18 C 04 22 03.02 +41 20 00.5 V T08
2021-12-26 02:09:11 C 04 21 30.69 +41 16 13.7 V I81
2021-12-26 02:14:15 C 04 21 30.54 +41 16 12.6 V I81
2021-12-26 02:19:19 C 04 21 30.38 +41 16 11.5 V I81
2021-12-26 08:44:39 C 04 21 18.60 +41 14 49.9 V T08
2021-12-26 08:52:27 C 04 21 18.38 +41 14 48.2 V T08
2021-12-26 08:57:46 C 04 21 18.19 +41 14 46.9 V T08
2021-12-26 09:13:10 C 04 21 17.70 +41 14 43.4 V T08
2021-12-28 22:33:10 C 04 19 30.01 +41 01 03.2 V I81
2021-12-28 22:36:14 C 04 19 29.82 +41 01 02.2 V I81
2021-12-28 22:38:17 C 04 19 29.95 +41 01 02.8 V I81
2021-12-29 22:18:33 C 04 18 51.11 +40 55 43.3 V 212