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
2020-04-20 11:01:06 C 14 48 40.80 -33 29 29.7 V T08
2020-04-20 11:10:09 C 14 48 40.48 -33 29 30.0 V T08
2020-04-20 11:28:15 C 14 48 39.84 -33 29 30.5 V T08
2020-04-22 10:53:18 C 14 47 01.07 -33 30 30.5 V T05
2020-04-22 10:58:54 C 14 47 00.84 -33 30 30.5 V T05
2020-04-22 11:07:51 C 14 47 00.53 -33 30 30.8 V T05
2020-04-22 11:27:17 C 14 46 59.82 -33 30 30.8 V T05
2020-04-24 09:06:17 C 14 45 21.91 -33 30 52.2 q E94
2020-04-24 09:17:49 C 14 45 21.49 -33 30 52.6 q E94
2020-04-24 09:29:21 C 14 45 21.07 -33 30 52.8 q E94
2020-04-24 09:40:53 C 14 45 20.62 -33 30 53.0 q E94
2020-04-24 09:52:24 C 14 45 20.12 -33 30 53.4 q E94
2020-04-25 15:31:05 C 14 44 15.00 -33 30 56.2 m 349
2020-04-25 15:47:19 C 14 44 14.38 -33 30 55.9 m 349
2020-04-26 11:39:35 C 14 43 30.12 -33 30 47.4 V T05
2020-04-26 11:44:12 C 14 43 29.95 -33 30 46.9 V T05
2020-04-26 11:52:08 C 14 43 29.64 -33 30 46.8 V T05
2020-04-26 12:42:52 C 14 43 27.66 -33 30 46.1 V T05
2020-04-28 09:30:54 C 14 41 46.64 -33 30 04.4 V T08
2020-04-28 09:36:13 C 14 41 46.43 -33 30 04.2 V T08
2020-04-28 09:44:11 C 14 41 46.13 -33 30 04.1 V T08
2020-04-28 10:19:28 C 14 41 44.74 -33 30 03.4 V T08
2020-05-02 11:01:50 C 14 38 00.12 -33 26 45.8 V T08
2020-05-02 11:06:28 C 14 37 59.93 -33 26 45.3 V T08
2020-05-02 11:14:26 C 14 37 59.61 -33 26 44.9 V T08
2020-05-04 08:55:56 C 14 36 11.52 -33 24 21.3 V T05
2020-05-04 09:00:32 C 14 36 11.32 -33 24 20.7 V T05
2020-05-04 09:50:59 C 14 36 09.28 -33 24 18.2 V T05
2020-05-04 10:02:28 C 14 36 08.82 -33 24 17.3 V T05
2020-05-10 10:53:15 C 14 30 20.93 -33 13 11.2 V T08
2020-05-10 11:01:15 C 14 30 20.58 -33 13 10.1 V T08
2020-05-10 11:13:13 C 14 30 20.12 -33 13 09.6 V T08
2020-05-10 11:20:32 C 14 30 19.82 -33 13 08.5 V T08
2020-05-10 11:22:31 C 14 30 19.76 -33 13 08.0 V T08
2020-05-10 11:31:09 C 14 30 19.40 -33 13 07.2 V T08
2020-05-10 11:37:08 C 14 30 19.12 -33 13 06.5 V T08
2020-05-10 11:51:45 C 14 30 18.52 -33 13 05.7 V T08
2020-05-12 10:39:20 C 14 28 26.01 -33 08 24.3 V T05
2020-05-12 10:43:57 C 14 28 25.83 -33 08 24.0 V T05
2020-05-12 10:52:40 C 14 28 25.49 -33 08 22.8 V T05
2020-05-12 11:09:14 C 14 28 24.80 -33 08 21.2 V T05
2020-05-14 06:20:29 C 14 26 41.29 -33 03 31.2 q W88
2020-05-14 06:40:27 C 14 26 40.46 -33 03 28.8 q W88
2020-05-14 07:00:27 C 14 26 39.66 -33 03 26.4 q W88
2020-05-14 13:06:36 C 14 26 25.29 -33 02 47.7 q D95
2020-05-14 13:11:15 C 14 26 25.15 -33 02 47.4 q D95
2020-05-14 13:15:55 C 14 26 24.94 -33 02 47.2 q D95
2020-05-16 09:07:17 C 14 24 40.71 -32 57 24.6 V T05
2020-05-16 09:13:14 C 14 24 40.50 -32 57 24.2 V T05
2020-05-16 09:16:40 C 14 24 40.38 -32 57 24.0 V T05