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
2021-10-07 12:16:58 C 05 27 05.87 +40 20 16.6 V T08
2021-10-07 12:39:09 C 05 27 05.90 +40 20 22.3 V T08
2021-10-07 12:49:49 C 05 27 05.91 +40 20 25.1 V T08
2021-10-08 23:18:54 C 05 27 08.76 +40 28 51.5 V C23
2021-10-08 23:27:12 C 05 27 08.75 +40 28 53.9 V C23
2021-10-08 23:33:26 C 05 27 08.76 +40 28 55.2 V C23
2021-10-09 22:30:04 C 05 27 08.21 +40 34 29.7 V I81
2021-10-09 22:34:09 C 05 27 08.20 +40 34 30.7 V I81
2021-10-09 22:38:15 C 05 27 08.18 +40 34 31.7 V I81
2021-10-10 15:26:10 C 05 27 06.62 +40 38 37.6 q Q23
2021-10-10 15:46:53 C 05 27 06.56 +40 38 42.7 q Q23
2021-10-13 02:26:23 C 05 26 52.91 +40 52 40.7 V C95
2021-10-13 02:40:02 C 05 26 52.83 +40 52 43.9 V C95
2021-10-13 13:19:38 C 05 26 49.05 +40 55 15.5 V T05
2021-10-13 13:24:15 C 05 26 49.00 +40 55 16.6 V T05
2021-10-13 13:28:14 C 05 26 48.98 +40 55 17.4 V T05
2021-10-13 13:49:47 C 05 26 48.82 +40 55 22.5 V T05
2021-10-14 14:26:33 C 05 26 38.65 +41 01 04.0 q Q21
2021-10-14 14:34:08 C 05 26 38.57 +41 01 05.1 q Q21
2021-10-15 12:55:39 C 05 26 27.16 +41 06 15.6 V T08
2021-10-15 12:58:58 C 05 26 27.15 +41 06 16.3 V T08
2021-10-15 13:04:17 C 05 26 27.08 +41 06 17.5 V T08
2021-10-15 13:11:41 C 05 26 27.01 +41 06 19.2 V T08
2021-10-17 12:04:36 C 05 25 57.58 +41 16 52.9 V T05
2021-10-17 12:11:53 C 05 25 57.49 +41 16 54.7 V T05
2021-10-17 12:15:56 C 05 25 57.44 +41 16 54.5 V T05
2021-10-17 12:30:33 C 05 25 57.23 +41 16 58.6 V T05
2021-10-17 15:58:20 C 05 25 54.80 +41 17 43.7 q Q23
2021-10-17 16:07:59 C 05 25 54.64 +41 17 45.7 q Q23
2021-10-17 16:17:41 C 05 25 54.53 +41 17 48.0 q Q23
2021-10-18 01:07:26 C 05 25 47.93 +41 19 44.2 V C23
2021-10-18 01:13:41 C 05 25 47.85 +41 19 45.6 V C23
2021-10-18 01:19:55 C 05 25 47.78 +41 19 46.8 V C23
2021-10-19 12:56:36 C 05 25 18.38 +41 27 34.6 V T08
2021-10-19 12:59:15 C 05 25 18.38 +41 27 35.3 V T08
2021-10-19 13:04:36 C 05 25 18.28 +41 27 36.4 V T08
2021-10-19 13:35:26 C 05 25 17.76 +41 27 43.2 V T08
2021-10-20 12:03:18 C 05 24 57.06 +41 32 30.2 V T05
2021-10-20 12:30:15 C 05 24 56.58 +41 32 36.1 V T05
2021-10-20 12:32:53 C 05 24 56.55 +41 32 36.8 V T05
2021-10-20 12:39:29 C 05 24 56.42 +41 32 38.1 V T05
2021-10-21 12:31:21 C 05 24 32.27 +41 37 38.3 V T05
2021-10-21 12:33:59 C 05 24 32.25 +41 37 38.9 V T05
2021-10-21 12:38:36 C 05 24 32.14 +41 37 39.8 V T05
2021-10-21 13:08:59 C 05 24 31.58 +41 37 46.5 V T05
2021-10-24 21:35:24 C 05 22 55.61 +41 53 52.8 q A77
2021-10-24 21:45:59 C 05 22 55.34 +41 53 54.4 q A77
2021-10-24 21:54:26 C 05 22 55.16 +41 53 56.5 q A77
2021-10-25 23:12:36 C 05 22 20.37 +41 58 44.1 V A03
2021-10-25 23:18:02 C 05 22 20.26 +41 58 44.8 V A03