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
2008-10-08 07:39:47 C 01 41 02.85 +05 17 00.6 o 691
2008-10-08 10:07:19 C 01 40 41.027 +05 16 32.79 n 645
2008-10-08 10:08:30 C 01 40 40.841 +05 16 32.77 n 645
2008-10-08 10:10:54 C 01 40 40.523 +05 16 32.37 n 645
2008-10-08 10:12:05 C 01 40 40.326 +05 16 32.12 n 645
2008-10-18 05:15:18 C 01 09 39.30 +04 37 14.4 o 291
2008-10-18 05:20:51 C 01 09 38.62 +04 37 13.5 o 291
2008-10-18 05:28:38 C 01 09 37.65 +04 37 12.6 o 291
2008-10-19 04:27:21 C 01 06 56.64 +04 34 01.9 r 715
2008-10-19 04:43:26 C 01 06 54.83 +04 33 59.8 r 715
2008-10-19 04:59:29 C 01 06 52.93 +04 33 58.3 r 715
2008-10-20 04:41:26 C 01 04 11.49 +04 30 54.5 o 291
2008-10-20 04:49:44 C 01 04 10.51 +04 30 52.5 o 291
2008-10-20 04:55:09 C 01 04 09.88 +04 30 51.8 o 291
2008-10-23 08:46:43 C 00 56 05.31 +04 22 17.7 o 291
2008-10-23 08:52:28 C 00 56 04.69 +04 22 17.2 o 291
2008-10-23 08:57:51 C 00 56 04.14 +04 22 16.5 o 291
2008-10-26 02:41:53 C 00 49 49.48 +04 16 37.3 o 691
2008-10-26 03:12:18 C 00 49 46.59 +04 16 35.1 o 691
2008-10-28 02:20:46 C 00 45 42.20 +04 13 37.9 o 691
2008-10-28 03:15:40 C 00 45 37.44 +04 13 34.9 o 691
2008-10-30 05:04:27 C 00 41 41.94 +04 11 30.4 o 291
2008-10-30 05:09:52 C 00 41 41.52 +04 11 30.0 o 291
2008-10-30 05:15:15 C 00 41 41.06 +04 11 29.9 o 291
2013-01-13 11:38:55 C 12 50 02.76 +29 07 20.0 r G96
2013-01-13 11:46:34 C 12 50 04.99 +29 07 18.3 r G96
2013-01-13 11:54:16 C 12 50 07.26 +29 07 16.6 r G96
2013-01-13 12:01:56 C 12 50 09.52 +29 07 15.1 r G96
2014-08-20 14:59:02 C 04 23 25.12 -12 39 05.2 t 474
2014-08-20 15:03:47 C 04 23 23.96 -12 39 07.3 t 474
2014-08-20 15:08:32 C 04 23 22.74 -12 39 09.4 t 474
2014-08-23 06:06:17 S 04 07 39.120 -13 02 45.74 L C51
2014-08-23 06:06:28 S 04 07 39.134 -13 02 45.53 L C51
2014-08-23 07:41:05 S 04 07 15.382 -13 03 17.75 L C51
2014-08-23 09:15:54 S 04 06 51.502 -13 03 49.93 L C51
2014-08-23 10:50:31 S 04 06 27.662 -13 04 23.12 L C51
2014-08-23 13:59:56 S 04 05 39.922 -13 05 27.74 L C51
2014-09-24 00:03:16 C 00 55 28.23 -12 31 29.1 t 204
2014-09-24 00:09:19 C 00 55 26.97 -12 31 26.5 t 204
2014-09-24 00:24:26 C 00 55 23.87 -12 31 20.3 t 204
2014-09-24 00:32:19 C 00 55 22.26 -12 31 17.1 t 204
2014-09-24 10:54:02 C 00 53 20.080 -12 26 40.65 L F51
2014-09-24 11:12:30 C 00 53 16.290 -12 26 32.90 L F51
2014-09-24 11:31:01 C 00 53 12.507 -12 26 24.69 L F51
2018-12-07 08:14:04 C 08 55 53.57 +34 40 32.6 u H21
2018-12-07 08:33:23 C 08 55 54.40 +34 40 46.2 u H21
2018-12-07 08:50:39 C 08 55 55.16 +34 40 57.9 u H21
2018-12-09 08:41:07 C 08 58 05.74 +35 14 18.4 u H21
2018-12-09 09:14:04 C 08 58 07.03 +35 14 42.0 u H21
2019-01-09 10:26:02 C 09 03 06.82 +51 39 27.1 V G96