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
2018-04-15 07:02:06 C 12 04 25.86 -06 38 14.1 U G96
2018-04-15 07:09:31 C 12 04 25.76 -06 38 12.6 U G96
2019-03-31 07:59:20 C 12 56 26.58 -15 45 48.6 V G96
2019-03-31 08:06:42 C 12 56 26.40 -15 45 47.5 V G96
2019-03-31 08:14:03 C 12 56 26.22 -15 45 46.7 V G96
2019-03-31 08:21:26 C 12 56 26.07 -15 45 46.1 V G96
2019-04-05 10:06:46 C 12 53 39.381 -15 33 56.50 U F51
2019-04-05 10:23:32 C 12 53 38.989 -15 33 54.80 U F51
2019-04-05 10:40:15 C 12 53 38.594 -15 33 53.06 U F51
2019-04-05 10:56:59 C 12 53 38.202 -15 33 51.38 U F51
2019-04-06 09:29:54 C 12 53 07.102 -15 31 32.01 U F51
2019-04-06 09:47:50 C 12 53 06.681 -15 31 30.22 U F51
2019-04-06 10:05:44 C 12 53 06.258 -15 31 28.33 U F51
2019-04-06 10:23:39 C 12 53 05.836 -15 31 26.45 U F51
2019-04-09 08:19:06 C 12 51 29.02 -15 24 00.3 V G96
2019-04-09 08:26:31 C 12 51 28.87 -15 23 59.2 V G96
2019-04-09 08:33:56 C 12 51 28.70 -15 23 58.2 V G96
2019-04-09 08:41:21 C 12 51 28.53 -15 23 57.7 V G96
2019-04-09 16:41:32 C 12 51 17.40 -15 23 03.2 V Q62
2019-04-09 16:47:58 C 12 51 17.25 -15 23 02.7 V Q62
2019-04-26 04:15:40 C 12 42 25.92 -14 36 13.8 V G96
2019-04-26 04:23:50 C 12 42 25.74 -14 36 12.7 V G96
2019-04-26 04:32:00 C 12 42 25.58 -14 36 11.3 V G96
2019-04-26 04:40:10 C 12 42 25.39 -14 36 10.8 V G96
2019-05-01 09:02:19 C 12 39 51.796 -14 20 42.64 U F51
2019-05-01 09:19:41 C 12 39 51.443 -14 20 40.47 U F51
2019-05-01 09:37:04 C 12 39 51.090 -14 20 38.33 U F51
2019-05-01 09:54:32 C 12 39 50.733 -14 20 36.14 U F51
2019-05-03 06:20:13 C 12 38 58.38 -14 15 05.8 V G96
2019-05-03 06:27:41 C 12 38 58.18 -14 15 05.0 V G96
2019-05-03 06:35:09 C 12 38 58.05 -14 15 04.3 V G96
2019-05-03 06:42:34 C 12 38 57.87 -14 15 03.3 V G96
2019-05-08 09:17:01 C 12 36 41.13 -14 00 01.6 V Q62
2019-05-08 09:22:09 C 12 36 41.02 -14 00 01.4 V Q62
2019-05-25 06:15:40 C 12 30 46.211 -13 15 20.42 U F52
2019-05-25 06:32:24 C 12 30 46.014 -13 15 18.69 U F52
2019-05-25 06:49:05 C 12 30 45.825 -13 15 17.05 U F52
2019-05-25 07:06:10 C 12 30 45.622 -13 15 15.33 U F52
2019-05-26 21:15:19 C 12 30 20.87 -13 11 37.3 19.8 q 215
2019-05-26 21:20:51 C 12 30 20.82 -13 11 36.8 19.8 q 215
2019-05-26 21:26:24 C 12 30 20.79 -13 11 36.8 19.0 q 215
2020-01-27 14:18:05 C 14 52 57.42 -27 46 16.3 V T08
2020-01-27 14:33:06 C 14 52 57.85 -27 46 19.4 V T08
2020-01-27 14:41:45 C 14 52 58.04 -27 46 21.7 V T08
2020-01-27 14:49:22 C 14 52 58.21 -27 46 22.7 V T08
2020-01-27 14:50:42 C 14 52 58.29 -27 46 22.8 V T08
2020-01-27 14:59:58 C 14 52 58.47 -27 46 25.9 V T08
2020-02-28 14:28:25 C 15 05 51.36 -30 37 45.7 V T08
2020-02-28 14:35:04 C 15 05 51.39 -30 37 46.8 V T08
2020-02-28 14:43:03 C 15 05 51.43 -30 37 48.4 V T08