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
2020-07-09 06:47:55 C 13 58 12.20 -29 17 27.9 V T08
2020-07-09 06:56:32 C 13 58 12.19 -29 17 26.8 V T08
2020-07-09 07:11:13 C 13 58 12.26 -29 17 25.0 V T08
2020-07-11 06:33:25 C 13 58 30.64 -29 11 46.5 V T05
2020-07-11 06:38:41 C 13 58 30.67 -29 11 45.9 V T05
2020-07-11 06:46:37 C 13 58 30.71 -29 11 45.1 V T05
2020-07-11 07:03:47 C 13 58 30.84 -29 11 43.2 V T05
2020-07-13 06:51:48 C 13 58 55.18 -29 06 25.9 V T08
2020-07-13 06:56:33 C 13 58 55.25 -29 06 25.5 V T08
2020-07-13 07:07:11 C 13 58 55.31 -29 06 24.3 V T08
2020-07-13 07:22:28 C 13 58 55.45 -29 06 22.4 V T08
2020-07-13 13:07:52 C 13 58 58.76 -29 05 42.8 q Q68
2020-07-13 13:45:03 C 13 58 59.08 -29 05 38.3 q Q68
2020-07-15 13:11:11 C 13 59 29.85 -29 00 52.4 q Q68
2020-07-15 13:46:00 C 13 59 30.26 -29 00 49.4 q Q68
2020-07-18 13:05:33 C 14 00 27.30 -28 54 27.4 q Q68
2020-07-18 13:36:59 C 14 00 27.61 -28 54 23.7 q Q68
2020-07-21 06:32:38 C 14 01 30.93 -28 49 33.1 V T08
2020-07-21 06:37:58 C 14 01 31.03 -28 49 32.7 V T08
2020-07-21 06:45:57 C 14 01 31.16 -28 49 32.2 V T08
2020-07-21 07:04:36 C 14 01 31.47 -28 49 30.6 V T08
2020-07-23 06:11:33 C 14 02 23.88 -28 46 28.2 V T05
2020-07-23 06:17:31 C 14 02 23.98 -28 46 26.9 V T05
2020-07-23 06:25:27 C 14 02 24.13 -28 46 26.9 V T05
2020-07-23 06:40:58 C 14 02 24.41 -28 46 25.8 V T05
2020-07-25 06:03:30 C 14 03 22.55 -28 43 48.7 V T08
2020-07-25 06:08:08 C 14 03 22.67 -28 43 48.4 V T08
2020-07-25 06:16:06 C 14 03 22.81 -28 43 47.6 V T08
2020-07-25 06:33:21 C 14 03 23.14 -28 43 47.0 V T08
2020-07-29 06:03:39 C 14 05 36.78 -28 39 50.9 V T08
2020-07-29 06:08:18 C 14 05 36.92 -28 39 50.7 V T08
2020-07-29 06:15:39 C 14 05 37.06 -28 39 50.6 V T08
2020-07-29 06:32:14 C 14 05 37.53 -28 39 49.9 V T08
2020-07-31 05:58:57 C 14 06 51.85 -28 38 33.6 V T05
2020-07-31 06:03:37 C 14 06 52.00 -28 38 33.0 V T05
2020-07-31 06:14:50 C 14 06 52.26 -28 38 32.9 V T05
2020-07-31 06:29:22 C 14 06 52.65 -28 38 32.2 V T05
2020-08-06 05:50:53 C 14 11 08.58 -28 37 17.1 V T08
2020-08-06 05:55:33 C 14 11 08.75 -28 37 17.0 V T08
2020-08-06 06:05:31 C 14 11 09.09 -28 37 16.5 V T08
2020-08-06 06:24:05 C 14 11 09.66 -28 37 17.1 V T08
2020-08-12 05:53:21 C 14 16 11.57 -28 39 48.9 V T05
2020-08-12 06:01:17 C 14 16 11.90 -28 39 49.1 V T05
2020-08-12 06:18:12 C 14 16 12.52 -28 39 49.9 V T05
2020-08-14 05:44:42 C 14 18 02.16 -28 41 27.9 V T08
2020-08-14 05:49:20 C 14 18 02.39 -28 41 28.2 V T08
2020-08-14 06:21:03 C 14 18 03.60 -28 41 29.3 V T08
2020-08-14 06:29:43 C 14 18 03.95 -28 41 29.5 V T08
2020-08-17 10:42:53 C 14 21 10.25 -28 44 53.1 q Q68
2020-08-17 11:16:50 C 14 21 11.65 -28 44 54.4 q Q68