528284 (2008 SW11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4086033941 ± 2.36e-08
Semi-major axis (a)1.1348274452 AU ± 1.90e-09
Inclination (i)7.43236093° ± 3.32e-06
Long. of Asc. Node (Ω)28.70582349° ± 2.04e-05
Arg. of Perihelion (ω)207.10576592° ± 2.21e-05
Mean Anomaly (M)166.66918714° ± 7.09e-06
Mean Motion (n)0.8153001656°/day ± 2.05e-09
Perihelion dist (q)0.67113310 AU ± 2.68e-08
Aphelion dist (Q)1.59852179 AU ± 2.69e-08
Orbital Period1.20891216 yr ± 3.04e-09
Physical Parameters
H (abs. magnitude)21.15
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.309″
Uncertainty0
Orbit TypeApollo
MOID0.104723 AU
Observations Used163
Oppositions3
Arc Total2008-2025
First Observation Used2008-09-25
Last Observation Used2025-11-23
Observations (185)
Date Type RA Dec Mag Band Observatory
2008-09-25 08:30:54 C 02 25 46.44 +06 09 49.9 o 691
2008-09-25 08:56:16 C 02 25 42.79 +06 09 46.9 o 691
2008-09-25 09:21:37 C 02 25 39.22 +06 09 42.5 o 691
2008-09-25 13:11:49 C 02 25 08.00 +06 09 38.1 o 474
2008-09-25 13:16:59 C 02 25 07.17 +06 09 38.4 o 474
2008-09-25 13:20:49 C 02 25 06.69 +06 09 37.6 o 474
2008-09-25 13:25:39 C 02 25 05.99 +06 09 36.6 o 474
2008-09-26 01:29:00 C 02 23 26.04 +06 07 21.8 r J95
2008-09-26 01:45:21 C 02 23 23.79 +06 07 19.2 r J95
2008-09-26 06:14:03 C 02 22 46.84 +06 06 44.8 o H55
2008-09-26 06:23:27 C 02 22 45.47 +06 06 43.5 o H55
2008-09-26 06:24:21 C 02 22 45.86 +06 06 45.5 o 291
2008-09-26 06:29:49 C 02 22 45.06 +06 06 45.0 o 291
2008-09-26 06:33:25 C 02 22 44.06 +06 06 42.0 o H55
2008-09-26 06:35:09 C 02 22 44.29 +06 06 44.2 o 291
2008-09-26 08:24:18 C 02 22 28.27 +06 06 27.0 r 649
2008-09-26 08:34:32 C 02 22 26.73 +06 06 26.0 r 649
2008-09-26 08:44:46 C 02 22 25.33 +06 06 22.1 r 649
2008-09-26 08:55:01 C 02 22 23.77 +06 06 22.1 r 649
2008-09-26 09:56:17 C 02 22 15.23 +06 06 14.7 o 291
2008-09-26 10:01:56 C 02 22 14.44 +06 06 14.5 o 291
2008-09-26 10:07:21 C 02 22 13.67 +06 06 14.0 o 291
2008-09-28 08:50:23 C 02 15 39.16 +05 59 10.3 o 291
2008-09-28 08:55:51 C 02 15 38.35 +05 59 09.6 o 291
2008-09-28 09:01:27 C 02 15 37.53 +05 59 09.2 o 291
2008-09-29 07:39:31 C 02 12 23.75 +05 55 30.1 o 691
2008-09-29 08:04:48 C 02 12 19.93 +05 55 26.6 o 691
2008-09-29 09:19:53 C 02 12 08.67 +05 55 14.6 o 291
2008-09-29 09:25:14 C 02 12 07.87 +05 55 13.8 o 291
2008-09-29 09:30:42 C 02 12 07.07 +05 55 12.8 o 291
2008-10-01 06:07:06 C 02 05 40.45 +05 47 40.6 o H55
2008-10-01 06:16:40 C 02 05 39.03 +05 47 39.0 o H55
2008-10-01 06:25:54 C 02 05 37.62 +05 47 37.5 o H55
2008-10-01 06:35:09 C 02 05 36.22 +05 47 36.0 o H55
2008-10-01 10:35:30 C 02 05 00.43 +05 46 56.9 o 291
2008-10-01 10:40:51 C 02 04 59.64 +05 46 55.9 o 291
2008-10-01 10:46:11 C 02 04 58.83 +05 46 54.9 o 291
2008-10-02 10:43:52 C 02 01 29.26 +05 42 43.2 o 291
2008-10-02 10:49:12 C 02 01 28.46 +05 42 42.6 o 291
2008-10-03 06:51:09 C 01 58 34.24 +05 39 08.5 o 291
2008-10-03 06:56:30 C 01 58 33.43 +05 39 08.2 o 291
2008-10-03 07:01:53 C 01 58 32.60 +05 39 06.6 o 291
2008-10-03 10:17:11 C 01 58 02.918 +05 38 30.73 n 645
2008-10-03 10:18:22 C 01 58 02.739 +05 38 30.60 n 645
2008-10-03 10:21:57 C 01 58 02.209 +05 38 29.77 n 645
2008-10-07 09:39:21 C 01 44 11.44 +05 21 03.8 o 291
2008-10-07 09:45:09 C 01 44 10.56 +05 21 02.8 o 291
2008-10-07 10:02:19 C 01 44 08.02 +05 20 59.6 o 291
2008-10-08 06:44:09 C 01 41 11.09 +05 17 10.9 o 691
2008-10-08 07:14:26 C 01 41 06.60 +05 17 05.7 o 691