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
2020-08-22 05:35:35 C 14 26 14.16 -28 51 55.7 V T08
2020-08-22 05:39:41 C 14 26 14.33 -28 51 55.7 V T08
2020-08-22 05:47:50 C 14 26 14.70 -28 51 56.2 V T08
2020-08-22 06:07:45 C 14 26 15.60 -28 51 57.4 V T08
2020-08-23 00:39:42 C 14 27 07.23 -28 53 14.0 V W88
2020-08-23 01:00:14 C 14 27 08.17 -28 53 15.8 V W88
2020-08-24 10:36:52 C 14 28 43.53 -28 55 46.3 q Q68
2020-08-24 10:45:58 C 14 28 43.94 -28 55 48.5 q Q68
2020-08-25 11:12:26 C 14 29 54.63 -28 57 43.8 q Q68
2020-08-25 11:22:11 C 14 29 55.12 -28 57 44.9 q Q68
2020-08-26 10:00:52 C 14 31 01.95 -28 59 37.2 q Q68
2020-08-26 10:10:17 C 14 31 02.22 -28 59 37.9 q Q68
2020-09-01 10:34:45 C 14 38 31.23 -29 13 11.8 q Q68
2020-09-01 10:43:42 C 14 38 31.69 -29 13 12.9 q Q68
2020-09-03 10:06:29 C 14 41 07.93 -29 18 13.6 q Q68
2020-09-03 10:16:11 C 14 41 08.45 -29 18 14.6 q Q68
2020-09-07 10:18:42 C 14 46 38.39 -29 29 09.5 q Q68
2020-09-07 10:27:34 C 14 46 38.92 -29 29 10.6 q Q68
2020-09-15 09:59:40 C 14 58 29.80 -29 53 32.1 q Q68
2020-09-15 10:08:30 C 14 58 30.36 -29 53 33.3 q Q68
2020-09-16 09:57:42 C 15 00 03.75 -29 56 47.9 q Q68
2020-09-16 10:06:56 C 15 00 04.27 -29 56 48.1 q Q68
2021-06-25 04:23:38 C 03 08 57.61 +25 46 43.1 V G40
2021-06-25 05:03:35 C 03 09 01.05 +25 47 05.7 V G40
2021-06-30 11:24:32 C 03 20 02.85 +26 54 13.4 U I41
2021-06-30 11:28:01 C 03 20 03.16 +26 54 15.3 U I41
2021-06-30 11:31:31 C 03 20 03.46 +26 54 16.9 U I41
2021-06-30 11:35:00 C 03 20 03.76 +26 54 18.9 U I41
2021-07-02 11:26:40 C 03 24 10.63 +27 18 45.1 U I41
2021-07-02 11:30:04 C 03 24 10.93 +27 18 46.9 U I41
2021-07-02 11:33:30 C 03 24 11.22 +27 18 48.6 U I41
2021-07-02 11:36:54 C 03 24 11.51 +27 18 50.4 U I41
2021-07-05 02:17:44 C 03 29 31.45 +27 50 02.0 v A77
2021-07-05 02:23:34 C 03 29 31.99 +27 50 05.1 v A77
2021-07-05 02:29:24 C 03 29 32.50 +27 50 07.9 v A77
2021-07-08 11:11:17 C 03 36 18.50 +28 28 59.0 U I41
2021-07-08 11:14:55 C 03 36 18.80 +28 29 00.8 U I41
2021-07-08 11:18:34 C 03 36 19.11 +28 29 02.6 U I41
2021-07-08 11:22:12 C 03 36 19.40 +28 29 04.2 U I41
2021-07-08 11:25:52 C 03 36 19.70 +28 29 06.0 U I41
2021-07-09 11:09:44 C 03 38 17.80 +28 40 15.0 U I41
2021-07-09 11:13:20 C 03 38 18.11 +28 40 16.6 U I41
2021-07-09 11:16:56 C 03 38 18.39 +28 40 18.4 U I41
2021-07-09 11:20:34 C 03 38 18.70 +28 40 20.1 U I41
2021-07-09 11:24:11 C 03 38 19.00 +28 40 21.8 U I41
2021-07-10 11:12:14 C 03 40 16.80 +28 51 25.3 U I41
2021-07-10 11:15:50 C 03 40 17.09 +28 51 26.9 U I41
2021-07-10 11:19:27 C 03 40 17.40 +28 51 28.6 U I41
2021-07-10 11:23:04 C 03 40 17.69 +28 51 30.4 U I41
2021-07-10 11:26:42 C 03 40 17.99 +28 51 32.1 U I41