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
2020-06-15 07:46:43 C 14 02 15.57 -30 51 47.8 V T08
2020-06-15 07:50:43 C 14 02 15.48 -30 51 47.2 V T08
2020-06-15 07:59:21 C 14 02 15.30 -30 51 45.7 V T08
2020-06-15 08:13:57 C 14 02 15.01 -30 51 42.7 V T08
2020-06-15 13:32:21 C 14 02 08.81 -30 50 38.3 q Q68
2020-06-15 13:51:42 C 14 02 08.44 -30 50 34.2 q Q68
2020-06-15 14:07:19 C 14 02 08.13 -30 50 31.4 q Q68
2020-06-15 14:22:43 C 14 02 07.84 -30 50 28.2 q Q68
2020-06-16 07:26:53 C 14 01 48.81 -30 47 16.5 V T05
2020-06-16 07:31:30 C 14 01 48.70 -30 47 15.4 V T05
2020-06-16 07:39:34 C 14 01 48.57 -30 47 14.0 V T05
2020-06-16 07:54:44 C 14 01 48.25 -30 47 10.9 V T05
2020-06-16 14:13:41 C 14 01 41.24 -30 45 55.0 q Q68
2020-06-16 14:43:59 C 14 01 40.67 -30 45 48.9 q Q68
2020-06-17 07:42:49 C 14 01 22.77 -30 42 39.5 V T05
2020-06-17 07:47:25 C 14 01 22.67 -30 42 38.4 V T05
2020-06-17 07:55:20 C 14 01 22.51 -30 42 36.8 V T05
2020-06-19 14:25:32 C 14 00 29.32 -30 32 18.6 q Q68
2020-06-19 14:56:50 C 14 00 28.83 -30 32 12.5 q Q68
2020-06-20 12:34:05 C 14 00 09.98 -30 28 16.3 q D95
2020-06-20 12:43:23 C 14 00 09.85 -30 28 15.2 q D95
2020-06-20 12:48:01 C 14 00 09.81 -30 28 14.0 q D95
2020-06-21 07:06:19 C 13 59 54.77 -30 24 52.2 V T05
2020-06-21 07:14:36 C 13 59 54.66 -30 24 50.8 V T05
2020-06-21 07:21:12 C 13 59 54.54 -30 24 49.4 V T05
2020-06-21 07:38:11 C 13 59 54.30 -30 24 46.2 V T05
2020-06-22 12:51:29 C 13 59 31.93 -30 19 24.6 q Q68
2020-06-22 13:23:13 C 13 59 31.55 -30 19 18.8 q Q68
2020-06-23 14:23:53 C 13 59 14.13 -30 14 50.2 q Q68
2020-06-23 15:04:25 C 13 59 13.83 -30 14 43.7 q Q68
2020-06-24 13:27:32 C 13 58 59.79 -30 10 46.4 q Q68
2020-06-24 14:01:24 C 13 58 59.43 -30 10 40.1 q Q68
2020-06-27 07:09:21 C 13 58 26.30 -29 59 34.9 V T08
2020-06-27 07:14:00 C 13 58 26.25 -29 59 33.9 V T08
2020-06-27 07:22:39 C 13 58 26.19 -29 59 32.7 V T08
2020-06-27 07:37:55 C 13 58 26.07 -29 59 29.9 V T08
2020-07-03 02:34:45 C 13 57 52.45 -29 37 32.3 q X03
2020-07-03 02:42:46 C 13 57 52.44 -29 37 31.0 q X03
2020-07-03 02:57:13 C 13 57 52.40 -29 37 28.8 q X03
2020-07-03 06:10:25 C 13 57 52.36 -29 37 03.4 V T05
2020-07-03 06:16:26 C 13 57 52.35 -29 37 03.1 V T05
2020-07-03 06:27:42 C 13 57 52.29 -29 36 59.5 V T05
2020-07-03 06:43:38 C 13 57 52.29 -29 36 58.4 V T05
2020-07-08 03:07:40 S 13 58 04.19 -29 20 53.7 L C51
2020-07-08 06:15:59 S 13 58 04.98 -29 20 29.7 L C51
2020-07-08 07:50:14 S 13 58 05.38 -29 20 18.2 L C51
2020-07-08 09:24:18 S 13 58 05.84 -29 20 05.0 L C51
2020-07-08 10:58:33 S 13 58 06.28 -29 19 53.8 L C51
2020-07-08 12:32:37 S 13 58 06.69 -29 19 42.3 L C51
2020-07-09 06:43:17 C 13 58 12.16 -29 17 28.6 V T08