2011 QS2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5010254097 ± 2.22e-08
Semi-major axis (a)1.6783627414 AU ± 2.70e-09
Inclination (i)17.60315846° ± 1.10e-05
Long. of Asc. Node (Ω)323.85322540° ± 3.43e-06
Arg. of Perihelion (ω)78.85638406° ± 6.96e-06
Mean Anomaly (M)170.93627417° ± 6.91e-06
Mean Motion (n)0.4532977165°/day ± 1.09e-09
Perihelion dist (q)0.83746036 AU ± 3.73e-08
Aphelion dist (Q)2.51926512 AU ± 3.75e-08
Orbital Period2.17434646 yr ± 5.24e-09
Physical Parameters
H (abs. magnitude)20.76
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.206″
Uncertainty0
Orbit TypeApollo
MOID0.074925 AU
Observations Used143
Oppositions8
Arc Total2011-2025
First Observation Used2011-08-20
Last Observation Used2025-03-04
Observations (149)
Date Type RA Dec Mag Band Observatory
2011-09-14 01:45:53 C 16 26 28.55 +32 12 36.8 o H21
2012-01-03 10:10:08 C 12 25 14.84 +07 54 45.2 o H21
2012-01-03 10:26:33 C 12 25 14.33 +07 54 31.5 o H21
2012-01-03 10:45:37 C 12 25 13.67 +07 54 15.0 o H21
2012-01-05 09:59:35 C 12 23 40.74 +07 13 22.7 o H21
2012-01-05 10:14:29 C 12 23 40.10 +07 13 09.6 o H21
2012-01-05 10:28:28 C 12 23 39.55 +07 12 57.7 o H21
2012-03-13 04:48:29 C 09 59 17.60 -02 55 25.5 o H21
2012-03-13 05:02:59 C 09 59 16.68 -02 55 24.4 o H21
2012-03-13 05:18:15 C 09 59 15.73 -02 55 22.8 o H21
2012-03-15 04:17:58 C 09 56 33.62 -02 52 27.5 o H21
2012-03-15 04:42:45 C 09 56 32.20 -02 52 25.9 o H21
2012-03-15 05:07:47 C 09 56 30.73 -02 52 24.2 o H21
2014-02-21 04:42:10 C 03 12 37.77 +32 11 07.8 o 291
2014-02-21 04:55:17 C 03 12 41.79 +32 11 07.0 o 291
2014-02-21 05:08:36 C 03 12 45.86 +32 11 05.9 o 291
2024-10-06 02:08:29 C 17 31 28.53 -01 07 04.5 V 691
2024-10-06 02:23:55 C 17 31 28.48 -01 06 31.5 V 691
2024-10-06 02:39:21 C 17 31 28.43 -01 05 59.5 V 691
2025-01-23 09:05:48 C 11 13 56.852 +21 14 23.39 V G96
2025-01-23 09:13:13 C 11 13 55.315 +21 14 15.00 V G96
2025-01-23 09:20:39 C 11 13 53.756 +21 14 06.61 V G96
2025-01-23 09:28:05 C 11 13 52.194 +21 13 58.19 V G96
2025-01-29 11:13:36 C 10 45 04.452 +18 27 33.12 V U52
2025-01-29 11:20:54 C 10 45 03.043 +18 27 25.27 V U52
2025-01-29 11:28:12 C 10 45 01.526 +18 27 16.38 V U52
2025-02-02 09:01:17 C 10 27 44.237 +16 44 24.68 V G96
2025-02-02 09:08:41 C 10 27 42.862 +16 44 16.73 V G96
2025-02-02 09:16:06 C 10 27 41.501 +16 44 08.63 V G96
2025-02-02 09:23:31 C 10 27 40.136 +16 44 00.82 V G96
2025-02-05 06:42:12 C 10 15 44.410 +15 31 19.56 V G96
2025-02-05 06:50:18 C 10 15 43.024 +15 31 11.17 V G96
2025-02-05 06:58:23 C 10 15 41.634 +15 31 03.04 V G96
2025-02-19 06:28:21 C 09 30 56.873 +10 42 39.42 V G96
2025-02-19 06:35:46 C 09 30 56.092 +10 42 34.27 V G96
2025-02-19 06:43:12 C 09 30 55.318 +10 42 29.09 V G96
2025-02-19 06:50:38 C 09 30 54.544 +10 42 24.01 V G96
2025-02-27 07:17:55 C 09 15 06.899 +08 47 25.99 X F52
2025-02-27 07:18:50 C 09 15 06.830 +08 47 25.55 X F52
2025-02-27 07:34:21 C 09 15 05.753 +08 47 17.57 X F52
2025-02-27 07:35:16 C 09 15 05.693 +08 47 17.03 X F52
2025-02-27 07:50:49 C 09 15 04.617 +08 47 09.12 X F52
2025-02-27 07:51:44 C 09 15 04.549 +08 47 08.69 X F52
2025-02-27 08:07:21 C 09 15 03.470 +08 47 00.68 X F52
2025-02-27 08:08:15 C 09 15 03.412 +08 47 00.27 X F52
2025-03-04 07:53:25 C 09 08 24.125 +07 50 45.15 X F51
2025-03-04 08:11:24 C 09 08 23.200 +07 50 37.27 X F51
2025-03-04 08:29:28 C 09 08 22.301 +07 50 29.51 X F51
2025-03-04 08:47:36 C 09 08 21.394 +07 50 21.85 X F51