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
2021-09-09 11:06:22 C 05 12 59.71 +37 21 46.8 V H06
2021-09-09 11:13:41 C 05 13 00.01 +37 21 48.7 U I41
2021-09-10 01:55:44 C 05 13 33.13 +37 25 54.4 u A98
2021-09-10 01:58:48 C 05 13 33.19 +37 25 55.1 u A98
2021-09-10 02:01:52 C 05 13 33.32 +37 25 55.4 u A98
2021-09-10 02:04:56 C 05 13 33.40 +37 25 56.4 u A98
2021-09-10 02:07:59 C 05 13 33.52 +37 25 57.4 u A98
2021-09-10 02:11:03 C 05 13 33.69 +37 25 58.3 u A98
2021-09-10 11:19:11 C 05 13 53.94 +37 28 31.7 U I41
2021-09-10 11:43:14 C 05 13 54.80 +37 28 38.4 U I41
2021-09-11 11:21:00 C 05 14 46.15 +37 35 12.1 U I41
2021-09-11 11:50:53 C 05 14 47.18 +37 35 20.4 U I41
2021-09-11 13:20:08 C 05 14 50.44 +37 35 45.7 V T05
2021-09-11 13:53:20 C 05 14 51.58 +37 35 54.9 V T05
2021-09-11 14:00:52 C 05 14 51.83 +37 35 56.9 V T05
2021-09-11 14:08:08 C 05 14 52.11 +37 35 58.9 V T05
2021-09-12 11:17:18 C 05 15 36.54 +37 41 49.3 U I41
2021-09-12 11:44:19 C 05 15 37.45 +37 41 56.8 U I41
2021-09-13 11:52:20 S 05 16 26.31 +37 48 35.8 L C51
2021-09-13 21:16:55 S 05 16 45.01 +37 51 11.5 L C51
2021-09-13 22:51:10 S 05 16 48.09 +37 51 37.2 L C51
2021-09-14 00:25:14 S 05 16 51.19 +37 52 02.7 L C51
2021-09-14 01:59:18 S 05 16 54.30 +37 52 28.6 L C51
2021-09-14 03:33:21 S 05 16 57.38 +37 52 54.9 L C51
2021-09-14 05:07:26 S 05 17 00.43 +37 53 20.1 L C51
2021-09-14 05:07:37 S 05 17 00.44 +37 53 20.3 L C51
2021-09-14 08:15:44 S 05 17 06.53 +37 54 11.8 L C51
2021-09-14 11:23:53 S 05 17 12.62 +37 55 03.6 L C51
2021-09-14 14:32:12 S 05 17 18.68 +37 55 55.3 L C51
2021-09-15 10:48:55 C 05 17 57.47 +38 01 27.9 U I41
2021-09-15 11:40:31 C 05 17 59.03 +38 01 42.3 U I41
2021-09-15 14:21:42 C 05 18 04.02 +38 02 27.2 V T05
2021-09-15 14:29:41 C 05 18 04.28 +38 02 29.3 V T05
2021-09-15 14:53:51 C 05 18 05.01 +38 02 36.0 V T05
2021-09-15 14:59:48 C 05 18 05.20 +38 02 37.6 V T05
2021-09-15 22:48:07 C 05 18 19.78 +38 04 41.9 V B96
2021-09-15 22:55:13 C 05 18 19.85 +38 04 43.0 V B96
2021-09-15 23:02:19 C 05 18 20.14 +38 04 45.3 V B96
2021-09-16 02:10:37 C 05 18 25.81 +38 05 38.5 V 970
2021-09-16 02:16:34 C 05 18 25.98 +38 05 40.1 V 970
2021-09-16 11:11:12 C 05 18 42.09 +38 08 06.9 U I41
2021-09-16 11:42:00 C 05 18 42.98 +38 08 15.4 U I41
2021-09-17 00:55:18 C 05 19 06.55 +38 11 49.8 V Z10
2021-09-17 01:03:12 C 05 19 06.80 +38 11 51.6 V Z10
2021-09-17 01:12:11 C 05 19 07.05 +38 11 54.4 V Z10
2021-09-18 11:25:08 C 05 20 05.26 +38 21 12.4 U I41
2021-09-18 11:42:00 C 05 20 05.70 +38 21 17.1 U I41
2021-09-22 10:19:24 C 05 22 28.48 +38 46 42.4 U I41
2021-09-22 11:56:25 C 05 22 30.58 +38 47 08.6 U I41
2021-09-24 07:47:51 C 05 23 27.20 +38 58 45.0 q U55