528857 (2009 CT)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6384739730 ± 1.81e-08
Semi-major axis (a)1.8565175515 AU ± 4.07e-09
Inclination (i)3.84536942° ± 2.62e-06
Long. of Asc. Node (Ω)275.62223576° ± 7.51e-05
Arg. of Perihelion (ω)337.89982050° ± 7.62e-05
Mean Anomaly (M)202.06590146° ± 7.94e-06
Mean Motion (n)0.3896401367°/day ± 1.28e-09
Perihelion dist (q)0.67117941 AU ± 3.36e-08
Aphelion dist (Q)3.04185569 AU ± 3.42e-08
Orbital Period2.52958099 yr ± 8.31e-09
Physical Parameters
H (abs. magnitude)19.68
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.290″
Uncertainty0
Orbit TypeApollo
MOID0.058609 AU
Observations Used237
Oppositions9
Arc Total2009-2024
First Observation Used2009-02-03
Last Observation Used2024-10-24
Observations (252)
Date Type RA Dec Mag Band Observatory
2014-03-10 03:25:35 C 07 34 07.55 +05 28 15.1 u H21
2014-03-12 20:40:51 C 07 17 13.72 +05 28 01.7 q 160
2014-03-12 20:44:47 C 07 17 12.67 +05 28 02.3 q 160
2014-03-12 20:48:44 C 07 17 11.65 +05 28 02.2 q 160
2014-03-14 02:11:37 C 07 09 17.25 +05 27 25.0 u H21
2014-03-14 02:15:34 C 07 09 16.12 +05 27 24.6 u H21
2014-03-14 02:20:02 C 07 09 14.89 +05 27 25.0 u H21
2014-03-14 02:24:38 C 07 09 13.58 +05 27 24.5 u H21
2014-03-14 20:40:08 C 07 04 12.28 +05 26 46.1 q 160
2014-03-14 20:43:43 C 07 04 11.30 +05 26 44.6 q 160
2014-03-14 20:47:17 C 07 04 10.35 +05 26 45.1 q 160
2014-03-18 19:12:21 C 06 37 03.35 +05 20 39.0 q 160
2014-03-18 19:15:59 C 06 37 02.23 +05 20 38.1 q 160
2014-03-19 19:11:13 C 06 29 50.53 +05 18 13.2 q 160
2014-03-19 19:15:08 C 06 29 49.30 +05 18 12.8 q 160
2014-03-19 19:19:05 C 06 29 48.07 +05 18 12.2 q 160
2014-03-20 02:38:04 C 06 27 34.14 +05 17 28.9 q H45
2014-03-20 02:39:56 C 06 27 33.54 +05 17 28.2 q H45
2014-03-20 02:41:41 C 06 27 32.99 +05 17 27.9 q H45
2014-03-20 02:42:53 C 06 27 32.60 +05 17 27.8 q H45
2014-03-20 02:44:25 C 06 27 32.14 +05 17 27.7 q H45
2014-03-20 02:46:05 C 06 27 31.67 +05 17 27.7 q H45
2014-03-20 03:16:05 C 06 27 22.68 +05 17 25.9 o G48
2014-03-20 03:16:41 C 06 27 22.52 +05 17 26.8 o G48
2014-03-20 03:17:49 C 06 27 22.15 +05 17 27.1 o G48
2014-03-21 21:45:58 S 06 14 12.360 +05 12 16.92 L C51
2014-03-22 00:55:34 S 06 13 12.468 +05 11 49.96 L C51
2014-03-22 05:39:58 S 06 11 42.401 +05 11 08.30 L C51
2014-03-22 05:40:09 S 06 11 42.336 +05 11 07.44 L C51
2014-09-23 08:26:21 C 02 44 46.94 +23 02 37.3 u H21
2014-09-23 08:40:02 C 02 44 46.07 +23 02 35.2 u H21
2014-09-23 08:54:01 C 02 44 45.16 +23 02 32.2 u H21
2014-10-03 07:31:43 C 02 27 44.99 +21 55 28.9 q G96
2014-10-03 07:48:36 C 02 27 43.59 +21 55 23.3 q G96
2014-10-03 08:05:30 C 02 27 42.24 +21 55 17.9 q G96
2014-10-03 08:22:25 C 02 27 40.94 +21 55 11.7 q G96
2014-10-17 07:49:30 C 02 00 54.93 +19 35 58.2 q G96
2014-10-17 07:57:34 C 02 00 54.31 +19 35 54.4 q G96
2014-10-17 08:05:38 C 02 00 53.64 +19 35 51.6 q G96
2014-10-17 08:13:41 C 02 00 52.97 +19 35 47.4 q G96
2014-10-26 08:25:06 C 01 44 35.78 +17 51 22.6 q G96
2014-10-26 08:37:39 C 01 44 34.86 +17 51 16.7 q G96
2014-10-26 08:47:14 C 01 44 34.12 +17 51 12.2 q G96
2014-10-26 08:56:45 C 01 44 33.48 +17 51 07.1 q G96
2019-01-03 13:49:59 C 09 14 39.538 +12 51 31.84 U F51
2019-01-03 14:07:02 C 09 14 38.952 +12 51 31.39 U F51
2019-01-03 14:23:58 C 09 14 38.356 +12 51 31.36 U F51
2019-01-03 14:40:52 C 09 14 37.768 +12 51 31.08 U F51
2019-01-04 08:48:15 C 09 14 01.24 +12 51 24.3 u H21
2019-01-04 09:10:08 C 09 14 00.41 +12 51 23.9 u H21