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
2020-05-16 09:57:08 C 14 24 38.74 -32 57 18.4 V T05
2020-05-18 08:25:10 C 14 22 49.743 -32 51 11.41 U F51
2020-05-18 08:38:07 C 14 22 49.232 -32 51 09.68 U F51
2020-05-18 08:51:06 C 14 22 48.711 -32 51 07.88 U F51
2020-05-18 09:52:54 C 14 22 46.24 -32 50 59.2 V T08
2020-05-18 09:58:13 C 14 22 46.01 -32 50 58.6 V T08
2020-05-18 10:08:09 C 14 22 45.61 -32 50 57.2 V T08
2020-05-20 07:57:48 C 14 20 59.94 -32 44 25.5 V E89
2020-05-20 08:08:46 C 14 20 59.50 -32 44 24.0 V E89
2020-05-20 08:19:11 C 14 20 59.10 -32 44 22.5 V E89
2020-05-20 08:50:52 C 14 20 57.80 -32 44 21.4 V T05
2020-05-20 08:55:29 C 14 20 57.61 -32 44 20.5 V T05
2020-05-20 09:03:23 C 14 20 57.28 -32 44 19.4 V T05
2020-05-20 09:18:35 C 14 20 56.70 -32 44 17.1 V T05
2020-05-21 07:36:42 C 14 20 05.972 -32 40 58.98 U F51
2020-05-21 07:51:16 C 14 20 05.405 -32 40 56.84 U F51
2020-05-21 08:24:38 C 14 20 04.109 -32 40 51.81 U F51
2020-05-21 08:39:10 C 14 20 03.543 -32 40 49.64 U F51
2020-05-24 10:19:07 C 14 17 19.45 -32 29 18.2 V T05
2020-05-24 10:23:48 C 14 17 19.29 -32 29 17.3 V T05
2020-05-24 10:31:46 C 14 17 18.98 -32 29 15.8 V T05
2020-05-24 10:48:59 C 14 17 18.32 -32 29 13.1 V T05
2020-05-26 08:39:02 C 14 15 39.91 -32 21 37.4 V T08
2020-05-26 08:43:46 C 14 15 39.74 -32 21 36.5 V T08
2020-05-26 08:58:24 C 14 15 39.21 -32 21 34.3 V T08
2020-05-26 09:06:21 C 14 15 38.93 -32 21 32.9 V T08
2020-05-28 13:17:21 C 14 13 50.38 -32 12 29.3 q Q68
2020-05-28 13:59:42 C 14 13 48.91 -32 12 21.7 q Q68
2020-05-30 08:29:43 C 14 12 23.88 -32 04 50.6 V T08
2020-05-30 08:34:21 C 14 12 23.72 -32 04 49.9 V T08
2020-05-30 08:43:06 C 14 12 23.43 -32 04 48.3 V T08
2020-05-30 08:59:05 C 14 12 22.88 -32 04 45.3 V T08
2020-05-30 12:10:47 C 14 12 16.67 -32 04 11.2 q D95
2020-05-30 12:13:53 C 14 12 16.58 -32 04 10.5 q D95
2020-05-30 12:17:00 C 14 12 16.45 -32 04 10.0 q D95
2020-06-01 07:50:57 C 14 10 52.68 -31 56 11.5 V T05
2020-06-01 08:35:28 C 14 10 51.22 -31 56 03.6 V T05
2020-06-01 08:40:05 C 14 10 51.10 -31 56 02.7 V T05
2020-06-01 08:48:01 C 14 10 50.83 -31 56 01.1 V T05
2020-06-11 07:58:55 C 14 04 17.68 -31 10 18.4 V T08
2020-06-11 08:06:16 C 14 04 17.52 -31 10 16.9 V T08
2020-06-11 08:13:33 C 14 04 17.34 -31 10 15.7 V T08
2020-06-11 08:32:51 C 14 04 16.87 -31 10 11.9 V T08
2020-06-13 13:07:24 C 14 03 07.22 -31 00 00.8 q D95
2020-06-13 13:16:41 C 14 03 06.97 -30 59 59.6 q D95
2020-06-13 13:21:19 C 14 03 06.92 -30 59 58.4 q D95
2020-06-14 06:48:59 C 14 02 45.360 -30 56 36.17 U F51
2020-06-14 07:03:50 C 14 02 45.039 -30 56 33.30 U F51
2020-06-14 07:18:40 C 14 02 44.722 -30 56 30.46 U F51
2020-06-14 07:33:32 C 14 02 44.404 -30 56 27.54 U F51