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
2011-08-20 04:45:53 C 20 00 01.20 -23 35 17.2 18.1 c 704
2011-08-20 05:41:15 C 19 59 44.52 -23 32 01.3 17.8 c 704
2011-08-20 05:59:45 C 19 59 38.95 -23 30 55.1 18.2 c 704
2011-08-20 21:54:07 C 19 55 01.76 -22 33 00.6 t 204
2011-08-20 22:04:06 C 19 54 58.69 -22 32 23.3 t 204
2011-08-20 22:12:25 C 19 54 56.17 -22 31 52.0 t 204
2011-08-20 22:14:58 C 19 54 55.90 -22 31 44.7 u J95
2011-08-20 22:17:00 C 19 54 55.24 -22 31 36.8 u J95
2011-08-20 22:19:01 C 19 54 54.65 -22 31 29.0 u J95
2011-08-20 23:20:18 C 19 54 39.41 -22 26 32.1 o 807
2011-08-20 23:27:50 C 19 54 37.13 -22 26 04.2 o 807
2011-08-20 23:31:34 C 19 54 35.99 -22 25 50.3 o 807
2011-08-20 23:38:46 C 19 54 33.79 -22 25 23.7 o 807
2011-08-21 02:23:21 C 19 53 44.24 -22 16 00.2 u H36
2011-08-21 02:24:29 C 19 53 43.88 -22 15 55.7 u H36
2011-08-21 02:30:10 C 19 53 42.15 -22 15 34.2 u H36
2011-08-21 02:31:18 C 19 53 41.78 -22 15 30.0 u H36
2011-08-21 04:22:13 C 19 53 08.69 -22 08 24.5 u 673
2011-08-21 04:24:43 C 19 53 07.91 -22 08 16.7 u 673
2011-08-21 10:44:55 C 19 51 14.97 -21 42 45.4 u D90
2011-08-21 11:04:00 C 19 51 08.99 -21 41 31.2 u D90
2011-08-21 13:52:14 C 19 50 17.21 -21 31 23.1 c D35
2011-08-21 13:53:04 C 19 50 16.96 -21 31 19.9 c D35
2011-08-21 13:53:53 C 19 50 16.70 -21 31 16.5 c D35
2011-08-21 13:54:40 C 19 50 16.44 -21 31 13.4 c D35
2011-08-21 13:55:30 C 19 50 16.19 -21 31 10.1 c D35
2011-08-21 13:56:17 C 19 50 15.92 -21 31 06.9 c D35
2011-08-21 13:57:06 C 19 50 15.68 -21 31 03.9 c D35
2011-08-21 13:57:55 C 19 50 15.43 -21 31 00.9 c D35
2011-08-21 13:58:47 C 19 50 15.14 -21 30 57.3 c D35
2011-08-21 13:59:32 C 19 50 14.90 -21 30 54.0 c D35
2011-08-21 20:10:47 C 19 48 23.75 -21 06 23.5 r 104
2011-08-21 20:13:31 C 19 48 22.88 -21 06 12.7 r 104
2011-08-21 20:18:58 C 19 48 21.17 -21 05 50.9 r 104
2011-08-21 20:43:24 C 19 48 13.95 -21 04 15.2 u J95
2011-08-21 20:48:30 C 19 48 12.34 -21 03 53.8 u J95
2011-08-21 20:58:25 C 19 48 09.21 -21 03 13.4 u J95
2011-08-22 03:07:48 C 19 46 15.50 -20 37 02.6 o 807
2011-08-22 03:11:44 C 19 46 14.24 -20 36 46.3 o 807
2011-08-22 03:15:37 C 19 46 12.99 -20 36 30.1 o 807
2011-08-22 03:19:29 C 19 46 11.74 -20 36 14.1 o 807
2011-08-23 21:42:31 C 19 32 52.94 -17 30 27.9 u 160
2011-08-23 21:50:19 C 19 32 50.32 -17 29 51.1 u 160
2011-08-23 21:53:35 C 19 32 49.22 -17 29 35.6 u 160
2011-08-24 01:54:42 C 19 31 33.44 -17 10 34.4 t H21
2011-08-24 01:59:26 C 19 31 31.84 -17 10 11.9 t H21
2011-08-24 02:03:47 C 19 31 30.42 -17 09 51.7 t H21
2011-08-24 02:07:46 C 19 31 29.05 -17 09 32.7 t H21
2011-08-24 02:10:59 C 19 31 27.96 -17 09 17.4 t H21
2011-08-24 02:14:00 C 19 31 26.96 -17 09 03.3 t H21