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
2023-10-24 14:50:56 C 08 46 57.909 +28 58 16.55 X F51
2023-10-24 15:03:06 C 08 46 58.006 +28 58 16.63 X F51
2023-12-25 11:00:50 C 08 38 49.218 +30 31 36.35 X F52
2023-12-25 11:19:34 C 08 38 48.901 +30 31 37.77 X F52
2023-12-25 11:38:17 C 08 38 48.552 +30 31 39.21 X F52
2023-12-25 11:57:08 C 08 38 48.210 +30 31 40.98 X F52
2024-01-03 13:32:02 C 08 34 42.327 +30 49 18.51 X F52
2024-01-03 13:49:41 C 08 34 41.984 +30 49 19.77 X F52
2024-01-03 14:07:23 C 08 34 41.610 +30 49 20.93 X F52
2024-01-03 14:25:04 C 08 34 41.264 +30 49 22.30 X F52
2024-01-08 16:44:42 C 08 32 11.16 +30 58 37.3 V O18
2024-01-08 16:56:59 C 08 32 10.90 +30 58 38.2 V O18
2024-01-08 17:09:16 C 08 32 10.64 +30 58 39.1 V O18
2024-01-19 06:08:55 C 08 26 43.246 +31 15 27.40 V G96
2024-01-19 06:16:22 C 08 26 43.019 +31 15 27.50 V G96
2024-01-19 06:23:47 C 08 26 42.889 +31 15 27.43 V G96
2024-01-19 06:31:12 C 08 26 42.716 +31 15 28.12 V G96
2024-01-30 05:46:58 C 08 20 55.867 +31 28 32.16 V G96
2024-01-30 05:55:09 C 08 20 55.662 +31 28 33.49 V G96
2024-01-30 06:03:20 C 08 20 55.464 +31 28 33.17 V G96
2024-01-30 06:11:31 C 08 20 55.291 +31 28 33.96 V G96
2024-02-08 07:23:33 C 08 16 19.711 +31 35 21.98 X F52
2024-02-08 07:59:03 C 08 16 18.966 +31 35 22.83 X F52
2024-02-08 08:16:48 C 08 16 18.615 +31 35 23.01 X F52
2024-04-08 06:20:42 C 08 00 55.019 +30 54 00.12 X F51
2024-04-08 06:39:55 C 08 00 55.046 +30 53 58.95 X F51
2024-04-08 06:58:17 C 08 00 55.022 +30 53 57.86 X F51