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
2007-09-04 05:47:34 C 21 37 05.73 -16 26 08.3 r G96
2007-09-04 05:52:05 C 21 37 05.55 -16 26 12.2 r G96
2007-09-04 05:56:36 C 21 37 05.34 -16 26 16.5 r G96
2007-09-04 06:01:09 C 21 37 05.19 -16 26 19.6 r G96
2011-06-08 14:07:05 C 23 17 28.257 +01 44 20.20 V F51
2011-06-08 14:12:46 C 23 17 28.620 +01 44 20.91 V F51
2011-06-08 14:18:28 C 23 17 29.000 +01 44 22.06 V F51
2011-06-08 14:24:09 C 23 17 29.361 +01 44 22.94 V F51
2011-08-23 12:11:05 C 00 04 32.039 -08 09 20.12 V F51
2011-08-23 12:26:26 C 00 04 31.525 -08 09 33.80 V F51
2011-08-27 12:31:02 C 00 01 15.583 -09 37 01.48 V F51
2011-08-27 12:51:07 C 00 01 14.760 -09 37 20.24 V F51
2011-08-27 13:11:18 C 00 01 13.949 -09 37 38.77 V F51
2011-08-28 12:19:10 C 00 00 21.758 -09 59 05.26 V F51
2011-09-20 09:47:01 C 23 34 01.157 -18 02 01.76 V F51
2011-10-03 08:09:31 C 23 19 55.869 -21 07 21.38 V F51
2015-09-21 10:59:49 C 01 28 27.779 -12 36 12.20 V F51
2015-09-21 11:18:22 C 01 28 26.994 -12 36 27.84 V F51
2017-08-01 14:09:53 C 01 58 41.172 +01 47 58.30 V F51
2017-08-01 14:22:14 C 01 58 41.749 +01 47 54.60 V F51
2017-08-01 14:34:31 C 01 58 42.327 +01 47 51.85 V F51
2017-09-14 12:19:28 C 02 21 30.402 -07 20 11.25 V F51
2017-09-14 12:35:37 C 02 21 30.199 -07 20 23.66 V F51
2017-09-14 12:51:45 C 02 21 29.924 -07 20 36.12 V F51
2017-10-01 12:58:05 C 02 10 27.976 -12 47 02.26 V F51
2017-10-10 12:00:01 C 02 00 31.474 -15 27 29.95 V F51
2017-10-10 12:14:22 C 02 00 30.734 -15 27 39.82 V F51
2017-12-08 05:28:47 C 01 13 00.393 -17 24 28.46 V F51
2017-12-08 05:44:54 C 01 13 00.473 -17 24 21.59 V F51
2018-01-15 06:25:16 C 01 41 41.786 -09 06 46.01 V F51
2019-09-10 13:25:19 C 03 02 46.627 -03 21 00.76 V F51
2019-09-10 13:43:33 C 03 02 46.817 -03 21 12.36 V F51
2019-09-10 14:19:42 C 03 02 47.234 -03 21 34.47 V F51
2019-10-06 12:04:06 C 02 57 15.688 -10 50 44.89 V F51
2019-10-06 12:39:15 C 02 57 14.487 -10 51 11.43 V F51
2019-10-06 13:07:37 C 02 57 13.507 -10 51 33.06 V F51
2019-10-06 13:24:37 C 02 57 12.925 -10 51 46.11 V F51
2019-10-06 13:41:40 C 02 57 12.318 -10 51 58.81 V F51
2019-10-06 13:58:41 C 02 57 11.743 -10 52 11.91 V F51
2019-10-28 09:53:02 C 02 32 42.901 -16 35 43.58 V F52
2019-11-03 09:39:04 C 02 24 31.659 -17 35 11.22 V F51
2019-11-03 09:54:49 C 02 24 30.739 -17 35 16.84 V F51
2019-11-03 10:10:37 C 02 24 29.802 -17 35 22.23 V F51
2019-11-03 10:26:21 C 02 24 28.862 -17 35 27.64 V F51
2019-11-30 08:16:01 C 01 55 47.274 -17 51 38.35 V F52
2019-11-30 08:53:11 C 01 55 46.248 -17 51 28.83 V F51
2019-11-30 09:09:51 C 01 55 45.791 -17 51 24.17 V F51
2019-12-16 07:02:49 C 01 51 17.191 -15 26 27.39 V F51
2019-12-24 05:40:55 C 01 52 47.707 -13 48 22.21 V F52
2019-12-24 05:59:38 C 01 52 47.931 -13 48 11.64 V F52