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
2019-01-09 10:33:30 C 09 03 06.23 +51 39 42.2 V G96
2019-01-09 10:40:59 C 09 03 05.72 +51 39 58.5 V G96
2019-01-09 10:48:25 C 09 03 05.17 +51 40 13.8 V G96
2019-01-09 11:30:35 C 09 03 04.269 +51 41 49.86 U F51
2019-01-09 11:50:13 C 09 03 02.781 +51 42 31.59 U F51
2019-01-09 12:09:54 C 09 03 01.292 +51 43 13.26 U F51
2019-01-09 12:29:36 C 09 02 59.791 +51 43 54.85 U F51
2019-01-14 11:09:00 C 08 52 44.398 +56 12 09.24 U F51
2019-01-14 11:29:02 C 08 52 41.768 +56 12 57.70 U F51
2019-01-14 11:49:04 C 08 52 39.132 +56 13 45.87 U F51
2019-01-14 12:09:06 C 08 52 36.484 +56 14 34.08 U F51
2019-01-27 04:43:09 C 07 31 22.34 +69 35 37.9 V 703
2019-01-27 04:50:57 C 07 31 17.90 +69 35 58.7 V 703
2019-01-27 04:58:44 C 07 31 13.66 +69 36 18.5 V 703
2019-01-27 05:06:31 C 07 31 09.35 +69 36 39.1 V 703
2019-02-05 18:31:14 C 04 02 21.14 +74 36 24.7 V 204
2019-02-05 18:45:49 C 04 02 03.75 +74 36 12.7 V 204
2019-02-05 19:00:22 C 04 01 46.35 +74 36 00.7 V 204
2019-02-07 15:58:24 S 03 11 47.73 +73 35 26.2 L C51
2019-02-07 17:32:39 S 03 10 08.44 +73 32 31.3 L C51
2019-02-07 19:06:54 S 03 08 29.77 +73 29 33.2 L C51
2019-02-07 20:40:58 S 03 06 51.48 +73 26 32.2 L C51
2019-02-07 20:41:09 S 03 06 51.62 +73 26 31.0 L C51
2019-02-07 23:49:28 S 03 03 36.54 +73 20 20.1 L C51
2019-11-02 12:23:37 C 03 52 36.191 +26 36 24.74 U F51
2019-11-02 12:40:21 C 03 52 34.279 +26 36 26.12 U F51
2019-11-02 12:57:12 C 03 52 32.371 +26 36 26.93 U F51
2019-11-02 13:14:05 C 03 52 30.454 +26 36 27.73 U F51
2020-09-07 15:50:05 S 18 48 09.826 -70 01 12.61 L C51
2020-09-07 18:58:35 S 18 52 25.994 -69 45 27.07 L C51
2020-09-07 22:06:54 S 18 56 34.303 -69 29 23.10 L C51
2020-09-07 23:41:09 S 18 58 35.839 -69 21 15.66 L C51
2020-09-08 02:49:28 S 19 02 33.166 -69 04 48.00 L C51
2020-09-11 09:13:43 C 20 11 16.55 -61 32 26.9 V 474
2020-09-11 09:15:18 C 20 11 17.42 -61 32 17.5 V 474
2020-09-11 09:16:52 C 20 11 18.35 -61 32 08.3 V 474
2020-09-19 09:52:40 C 21 14 47.99 -45 02 56.9 V 474
2020-09-19 09:55:34 C 21 14 48.49 -45 02 44.8 V 474
2020-09-19 09:58:27 C 21 14 48.98 -45 02 32.3 V 474
2020-10-08 06:29:26 C 22 00 14.426 -24 40 13.70 U F51
2020-10-08 06:46:35 C 22 00 15.432 -24 39 44.84 U F51
2020-10-08 07:03:41 C 22 00 16.437 -24 39 15.47 U F51
2020-10-08 07:20:47 C 22 00 17.436 -24 38 46.22 U F51
2020-10-10 06:42:09 C 22 03 21.526 -23 20 46.84 U F51
2020-10-10 07:11:59 C 22 03 23.198 -23 19 59.49 U F51
2020-10-10 07:26:54 C 22 03 24.047 -23 19 35.83 U F51
2020-10-16 06:25:02 C 22 12 10.462 -19 54 21.29 U F51
2020-10-16 06:41:49 C 22 12 11.367 -19 53 59.59 U F51
2020-10-16 06:58:36 C 22 12 12.271 -19 53 37.55 U F51
2020-10-16 07:15:23 C 22 12 13.181 -19 53 15.87 U F51