659952 (2021 US11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.1953425000 ± 4.62e-07
Semi-major axis (a)1.5596687000 AU ± 3.36e-08
Inclination (i)16.00718000° ± 6.42e-06
Long. of Asc. Node (Ω)149.31435000° ± 2.41e-05
Arg. of Perihelion (ω)47.75937000° ± 6.44e-05
Mean Anomaly (M)244.44744000° ± 1.07e-04
Mean Motion (n)0.5060058500°/day ± 1.64e-08
Perihelion dist (q)1.25499910 AU ± 7.21e-07
Aphelion dist (Q)1.86433830 AU ± 7.22e-07
Orbital Period1.94781870 yr ± 6.30e-08
Physical Parameters
H (abs. magnitude)20.16
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date2026-04-13
RMS Residual0.330″
Uncertainty1
Orbit TypeAmor
MOID0.305212 AU
Observations Used95
Oppositions8
Arc Total2007-2026
First Observation Used
Last Observation Used2026-01-12
Observations (106)
Date Type RA Dec Mag Band Observatory
2019-12-24 06:18:20 C 01 52 48.178 -13 48 01.51 V F52
2021-10-05 12:05:59 C 03 45 03.456 -07 27 18.67 V F52
2021-10-05 12:41:00 C 03 45 02.954 -07 27 43.44 V F52
2021-10-14 13:36:31 C 03 40 37.942 -10 03 52.18 V F51
2021-10-14 13:52:24 C 03 40 37.444 -10 04 03.23 V F51
2021-10-27 11:19:10 C 03 28 28.431 -13 30 37.73 V F52
2021-10-31 11:01:40 C 03 23 33.867 -14 24 51.52 U F51
2021-10-31 11:36:18 C 03 23 31.909 -14 25 09.85 U F51
2021-10-31 11:53:40 C 03 23 30.940 -14 25 19.28 U F51
2021-10-31 14:15:17 C 03 23 23.017 -14 26 33.78 V F51
2021-10-31 14:16:12 C 03 23 22.963 -14 26 34.31 V F51
2021-11-03 06:42:18 C 03 19 51.12 -14 59 01.7 V 807
2021-11-03 06:50:17 C 03 19 50.66 -14 59 05.4 V 807
2021-11-03 06:58:15 C 03 19 50.19 -14 59 09.1 V 807
2021-11-03 11:00:25 C 03 19 36.843 -15 01 12.79 V 568
2021-11-03 11:02:10 C 03 19 36.739 -15 01 13.65 V 568
2021-11-03 11:03:56 C 03 19 36.635 -15 01 14.45 V 568
2021-11-04 08:08:49 C 03 18 25.19 -15 11 06.4 o 291
2021-11-04 08:34:40 C 03 18 23.63 -15 11 18.3 o 291
2021-11-07 10:38:01 C 03 14 07.676 -15 42 42.09 V F52
2021-11-07 10:53:46 C 03 14 06.702 -15 42 48.10 V F52
2021-11-07 11:09:31 C 03 14 05.729 -15 42 54.27 V F52
2021-11-07 11:25:21 C 03 14 04.777 -15 43 00.29 V F52
2021-11-11 08:57:03 C 03 08 34.38 -16 15 11.5 o 291
2021-11-11 09:11:09 C 03 08 33.46 -16 15 15.6 o 291
2021-11-11 09:25:13 C 03 08 32.63 -16 15 19.0 o 291
2021-11-26 08:26:20 C 02 48 32.974 -16 55 20.55 V F52
2021-11-26 08:41:01 C 02 48 32.234 -16 55 19.43 V F52
2021-12-09 03:39:58 C 02 36 15.03 -15 49 48.2 V 807
2021-12-09 03:55:55 C 02 36 14.54 -15 49 42.7 V 807
2021-12-09 04:11:53 C 02 36 14.05 -15 49 37.4 V 807
2023-11-18 10:20:56 C 03 58 12.023 -14 32 09.76 X F51
2023-11-18 10:20:56 C 03 58 12.023 -14 32 09.76 X F51
2023-11-18 10:38:03 C 03 58 10.969 -14 32 14.99 X F51
2023-11-18 10:38:03 C 03 58 10.969 -14 32 14.99 X F51
2023-11-18 10:56:42 C 03 58 09.781 -14 32 20.08 X F51
2023-11-18 10:56:42 C 03 58 09.781 -14 32 20.08 X F51
2023-11-18 11:13:47 C 03 58 08.686 -14 32 25.21 X F51
2023-11-18 11:13:47 C 03 58 08.686 -14 32 25.21 X F51
2023-12-08 09:28:03 C 03 30 10.744 -14 54 20.97 X F52
2023-12-08 09:28:03 C 03 30 10.744 -14 54 20.97 X F52
2023-12-08 09:44:52 C 03 30 09.849 -14 54 18.04 X F52
2023-12-08 09:44:52 C 03 30 09.849 -14 54 18.04 X F52
2023-12-08 10:01:37 C 03 30 08.958 -14 54 14.28 X F52
2023-12-08 10:01:37 C 03 30 08.958 -14 54 14.28 X F52
2023-12-08 10:18:22 C 03 30 08.043 -14 54 10.86 X F52
2023-12-08 10:18:22 C 03 30 08.043 -14 54 10.86 X F52
2024-01-07 06:03:32 C 03 11 42.612 -09 08 54.61 X F52
2024-01-07 06:03:32 C 03 11 42.612 -09 08 54.61 X F52
2024-01-07 06:18:31 C 03 11 42.590 -09 08 44.53 X F52