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
2021-12-29 22:20:38 C 04 18 51.02 +40 55 43.1 V 212
2021-12-29 22:28:55 C 04 18 50.79 +40 55 41.5 V 212
2021-12-30 20:37:26 C 04 18 16.16 +40 50 40.3 V G40
2021-12-30 20:55:52 C 04 18 15.66 +40 50 35.3 V G40
2021-12-30 21:07:11 C 04 18 15.37 +40 50 33.1 V G40
2022-01-02 12:59:00 C 04 16 42.52 +40 35 56.7 S D88
2022-01-02 13:06:13 C 04 16 42.37 +40 35 54.5 S D88
2022-01-03 19:45:32 C 04 16 02.15 +40 28 51.6 X C95
2022-01-03 19:54:31 C 04 16 01.94 +40 28 49.2 X C95
2022-01-03 20:04:38 C 04 16 01.72 +40 28 47.3 X C95
2022-01-03 20:13:39 C 04 16 01.53 +40 28 45.3 X C95
2022-01-04 23:28:27 C 04 15 27.86 +40 22 28.1 V 970
2022-01-04 23:37:24 C 04 15 27.69 +40 22 25.9 V 970
2022-01-07 00:40:54 C 04 14 32.62 +40 11 07.5 q 215
2022-01-07 00:42:46 C 04 14 32.62 +40 11 07.8 q 215
2022-01-07 00:44:37 C 04 14 32.56 +40 11 06.7 q 215
2022-01-07 13:02:41 C 04 14 19.97 +40 08 18.6 q Q11
2022-01-07 13:15:10 C 04 14 19.74 +40 08 15.8 q Q11
2022-01-07 13:27:40 C 04 14 19.52 +40 08 12.8 q Q11
2022-01-09 08:54:49 C 04 13 38.19 +39 58 15.6 V T05
2022-01-09 08:59:28 C 04 13 38.11 +39 58 14.4 V T05
2022-01-09 09:02:46 C 04 13 38.07 +39 58 13.7 V T05
2022-01-09 09:07:22 C 04 13 37.98 +39 58 12.7 V T05
2022-01-09 09:08:42 C 04 13 37.95 +39 58 12.3 V T05
2022-01-09 09:15:18 C 04 13 37.86 +39 58 10.8 V T05
2022-01-09 09:26:32 C 04 13 37.66 +39 58 08.2 V T05
2022-01-09 09:31:50 C 04 13 37.60 +39 58 06.9 V T05
2022-01-11 07:44:11 C 04 12 59.73 +39 47 36.2 V T08
2022-01-11 07:48:50 C 04 12 59.70 +39 47 34.4 V T08
2022-01-11 07:58:08 C 04 12 59.55 +39 47 32.6 V T08
2022-01-11 08:47:37 C 04 12 58.89 +39 47 21.6 V T08
2022-01-12 06:59:39 C 04 12 42.98 +39 42 20.0 V T05
2022-01-12 07:41:04 C 04 12 42.44 +39 42 10.6 V T05
2022-01-12 07:41:44 C 04 12 42.44 +39 42 10.8 V T05
2022-01-12 08:17:25 C 04 12 42.00 +39 42 02.4 V T05
2022-01-12 08:18:04 C 04 12 41.98 +39 42 02.6 V T05
2022-01-12 08:54:03 C 04 12 41.56 +39 41 54.2 V T05
2022-01-12 08:54:42 C 04 12 41.52 +39 41 53.6 V T05
2022-01-18 15:39:17 C 04 11 29.51 +39 08 36.8 m 349
2022-01-18 15:54:18 C 04 11 29.47 +39 08 33.8 m 349
2022-01-19 07:33:40 C 04 11 25.60 +39 05 13.6 V T08
2022-01-19 07:38:19 C 04 11 25.60 +39 05 12.3 V T08
2022-01-19 07:47:37 C 04 11 25.53 +39 05 10.1 V T08
2022-01-19 08:02:14 C 04 11 25.49 +39 05 07.4 V T08
2022-01-19 15:00:31 C 04 11 23.84 +39 03 36.8 V 900
2022-01-19 15:10:37 C 04 11 23.80 +39 03 34.4 V 900
2022-01-23 08:30:41 C 04 11 15.34 +38 44 56.2 V T08
2022-01-23 08:35:19 C 04 11 15.32 +38 44 55.2 V T08
2022-01-23 08:43:57 C 04 11 15.33 +38 44 53.4 V T08
2022-01-23 09:01:15 C 04 11 15.31 +38 44 50.6 V T08