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
2019-01-04 09:25:17 C 09 13 59.87 +12 51 23.5 u H21
2019-01-10 10:36:18 C 09 07 57.444 +12 54 25.01 U F51
2019-01-10 10:53:21 C 09 07 56.569 +12 54 25.68 U F51
2019-01-10 11:10:20 C 09 07 55.701 +12 54 26.36 U F51
2019-01-10 11:27:21 C 09 07 54.823 +12 54 27.13 U F51
2019-01-27 06:45:24 C 08 39 49.51 +13 35 17.7 V G96
2019-01-27 06:52:47 C 08 39 48.82 +13 35 18.7 V G96
2019-01-27 07:00:08 C 08 39 48.17 +13 35 19.8 V G96
2019-02-04 07:47:42 C 08 20 56.859 +14 07 42.94 U F52
2019-02-04 08:03:27 C 08 20 55.180 +14 07 45.78 U F52
2019-02-04 08:35:03 C 08 20 51.757 +14 07 51.59 U F52
2019-02-09 06:04:16 C 08 08 13.67 +14 29 02.4 V G96
2019-02-09 06:12:19 C 08 08 12.76 +14 29 04.0 V G96
2019-02-09 06:20:23 C 08 08 11.80 +14 29 05.6 V G96
2019-02-09 06:28:28 C 08 08 10.94 +14 29 06.0 V G96
2019-10-08 07:53:34 C 01 35 30.43 +18 45 25.8 V G96
2019-10-08 08:00:58 C 01 35 29.69 +18 45 21.5 V G96
2019-10-08 08:11:01 C 01 35 28.77 +18 45 16.0 V G96
2019-10-08 08:18:23 C 01 35 28.13 +18 45 11.8 V G96
2019-10-27 10:30:50 C 01 00 55.481 +14 18 43.47 U F51
2019-10-27 11:07:33 C 01 00 53.294 +14 18 23.91 U F51
2019-10-27 11:25:49 C 01 00 52.195 +14 18 14.24 U F51
2024-01-10 17:44:13 C 08 21 00.89 +16 46 17.6 V O18
2024-01-10 17:56:43 C 08 21 00.02 +16 46 19.0 V O18
2024-01-10 18:09:23 C 08 20 59.13 +16 46 20.5 V O18
2024-01-31 07:09:46 C 07 39 49.222 +17 52 19.95 X F52
2024-01-31 07:27:26 C 07 39 47.553 +17 52 22.27 X F52
2024-01-31 07:45:06 C 07 39 45.882 +17 52 24.76 X F52
2024-08-20 12:48:34 C 02 48 51.617 +27 28 47.49 X F51
2024-08-20 13:07:43 C 02 48 49.141 +27 28 42.44 X F51
2024-08-20 13:35:55 C 02 48 45.432 +27 28 34.54 X F51
2024-08-22 13:39:52 C 02 42 44.906 +27 13 38.67 X F51
2024-08-22 13:49:12 C 02 42 43.675 +27 13 36.00 X F51
2024-08-22 13:55:58 C 02 42 42.772 +27 13 33.80 X F51
2024-09-01 08:10:26 C 02 12 20.03 +25 32 58.5 X 858
2024-09-01 08:40:28 C 02 12 15.86 +25 32 42.2 X 858
2024-09-07 11:03:44 C 01 52 27.891 +24 03 38.40 X F52
2024-09-07 11:21:47 C 01 52 25.342 +24 03 26.49 X F52
2024-09-07 11:39:56 C 01 52 22.771 +24 03 14.42 X F52
2024-09-07 11:58:29 C 01 52 20.141 +24 03 02.04 X F52
2024-09-11 08:28:47 C 01 39 47.768 +22 56 24.07 V 703
2024-09-11 08:32:05 C 01 39 47.232 +22 56 21.52 V 703
2024-09-11 08:35:23 C 01 39 46.840 +22 56 19.14 V 703
2024-09-11 08:38:40 C 01 39 46.314 +22 56 15.58 V 703
2024-09-11 09:52:16 C 01 39 37.009 +22 55 23.40 X F52
2024-09-11 10:10:17 C 01 39 34.508 +22 55 10.11 X F52
2024-09-11 10:28:17 C 01 39 31.992 +22 54 56.68 X F52
2024-09-11 10:46:17 C 01 39 29.483 +22 54 43.35 X F52
2024-09-11 13:06:05 C 01 39 09.929 +22 52 58.08 V T08
2024-09-11 13:10:53 C 01 39 09.178 +22 52 54.26 V T08