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
2021-09-24 08:01:46 C 05 23 27.41 +38 58 50.1 q U55
2021-09-24 08:15:55 C 05 23 27.74 +38 58 53.7 q U55
2021-09-24 22:35:27 C 05 23 44.90 +39 02 41.1 V C23
2021-09-24 22:39:36 C 05 23 44.98 +39 02 42.5 V C23
2021-09-24 22:43:45 C 05 23 45.06 +39 02 43.4 V C23
2021-09-24 22:47:55 C 05 23 45.15 +39 02 44.6 V C23
2021-09-25 14:21:31 C 05 24 02.84 +39 06 54.6 V T08
2021-09-25 14:26:10 C 05 24 02.91 +39 06 56.0 V T08
2021-09-25 14:35:29 C 05 24 03.07 +39 06 58.2 V T08
2021-09-25 15:03:34 C 05 24 03.56 +39 07 05.7 V T08
2021-09-29 13:22:15 C 05 25 34.50 +39 31 47.1 V T08
2021-09-29 13:30:13 C 05 25 34.64 +39 31 49.1 V T08
2021-09-29 13:44:48 C 05 25 34.80 +39 31 53.0 V T08
2021-09-29 15:22:14 C 05 25 35.97 +39 32 18.5 V T08
2021-09-30 02:14:44 C 05 25 44.60 +39 35 05.4 V C23
2021-09-30 02:20:58 C 05 25 44.70 +39 35 06.7 V C23
2021-09-30 02:25:08 C 05 25 44.73 +39 35 08.0 V C23
2021-09-30 02:58:37 C 05 25 45.16 +39 35 17.1 q A77
2021-09-30 03:06:55 C 05 25 45.24 +39 35 18.9 q A77
2021-09-30 03:15:11 C 05 25 45.34 +39 35 21.0 q A77
2021-10-01 16:36:42 C 05 26 11.49 +39 45 00.2 m 349
2021-10-01 17:38:18 C 05 26 12.05 +39 45 15.9 m 349
2021-10-02 15:09:56 C 05 26 24.92 +39 50 45.8 q D95
2021-10-02 15:15:10 C 05 26 24.97 +39 50 47.2 q D95
2021-10-02 15:20:26 C 05 26 25.01 +39 50 48.9 q D95
2021-10-02 15:47:36 C 05 26 25.24 +39 50 56.0 q Q11
2021-10-02 15:56:23 C 05 26 25.33 +39 50 58.5 q Q11
2021-10-02 16:05:02 C 05 26 25.39 +39 51 00.4 q Q11
2021-10-03 13:32:55 C 05 26 36.34 +39 56 30.0 V T08
2021-10-03 13:38:16 C 05 26 36.35 +39 56 31.6 V T08
2021-10-03 13:46:15 C 05 26 36.42 +39 56 33.7 V T08
2021-10-03 14:04:07 C 05 26 36.52 +39 56 38.1 V T08
2021-10-04 04:56:45 C 05 26 43.15 +40 00 22.2 V I81
2021-10-04 04:59:23 C 05 26 43.17 +40 00 22.9 V I81
2021-10-04 05:02:00 C 05 26 43.19 +40 00 23.6 V I81
2021-10-05 13:10:48 C 05 26 55.13 +40 08 32.1 V T05
2021-10-05 13:15:26 C 05 26 55.15 +40 08 33.3 V T05
2021-10-05 13:19:23 C 05 26 55.16 +40 08 34.3 V T05
2021-10-05 13:27:57 C 05 26 55.20 +40 08 36.6 V T05
2021-10-05 13:36:32 C 05 26 55.22 +40 08 38.7 V T05
2021-10-05 13:39:10 C 05 26 55.24 +40 08 39.5 V T05
2021-10-05 13:43:07 C 05 26 55.26 +40 08 40.5 V T05
2021-10-05 13:58:01 C 05 26 55.31 +40 08 44.5 V T05
2021-10-06 03:15:00 C 05 26 58.38 +40 12 09.3 V I81
2021-10-06 03:17:33 C 05 26 59.09 +40 12 02.1 V I81
2021-10-06 03:20:07 C 05 26 59.09 +40 12 02.6 V I81
2021-10-06 22:10:06 C 05 27 03.55 +40 16 43.3 V L59
2021-10-06 22:42:02 C 05 27 03.70 +40 16 51.4 V L59
2021-10-06 23:17:46 C 05 27 03.75 +40 17 01.3 V L59
2021-10-07 12:09:40 C 05 27 05.87 +40 20 15.1 V T08