2011 SQ12

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3960895140 ± 3.94e-08
Semi-major axis (a)1.7273297123 AU ± 4.24e-08
Inclination (i)13.68109539° ± 4.92e-06
Long. of Asc. Node (Ω)8.68483108° ± 2.59e-06
Arg. of Perihelion (ω)40.16659197° ± 1.56e-05
Mean Anomaly (M)64.88592462° ± 8.57e-05
Mean Motion (n)0.4341596025°/day ± 1.60e-08
Perihelion dist (q)1.04315253 AU ± 7.27e-08
Aphelion dist (Q)2.41150690 AU ± 9.02e-08
Orbital Period2.27019344 yr ± 8.37e-08
Physical Parameters
H (abs. magnitude)20.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.275″
Uncertainty0
Orbit TypeAmor
MOID0.095009 AU
Observations Used296
Radar Obs Used1
Oppositions1
Arc Total2011-2019
First Observation Used2011-09-19
Last Observation Used2019-01-10
Observations (302)
Date Type RA Dec Mag Band Observatory
2011-10-17 20:10:52 C 23 29 03.21 +42 15 59.9 o 046
2011-10-17 23:00:29 C 23 28 34.11 +42 35 16.3 u I15
2011-10-17 23:03:33 C 23 28 33.46 +42 35 37.8 u I15
2011-10-17 23:06:35 C 23 28 32.83 +42 35 59.2 u I15
2011-10-18 00:06:29 C 23 28 12.18 +42 42 49.5 o 108
2011-10-18 00:08:29 C 23 28 11.90 +42 43 02.8 o 108
2011-10-18 00:10:20 C 23 28 11.06 +42 43 15.7 o 108
2011-10-18 00:12:49 C 23 28 10.87 +42 43 32.1 o 108
2011-10-18 13:19:26 C 23 25 37.87 +44 12 46.1 u 379
2011-10-18 13:21:38 C 23 25 37.35 +44 13 00.9 u 379
2011-10-18 13:27:00 C 23 25 36.10 +44 13 36.4 u 379
2011-10-18 13:50:19 C 23 25 30.75 +44 16 11.4 u 379
2011-10-18 18:18:26 C 23 24 40.63 +44 45 34.1 u A98
2011-10-18 18:21:23 C 23 24 39.97 +44 45 53.9 u A98
2011-10-18 18:21:57 C 23 24 39.82 +44 45 57.6 u A98
2011-10-18 18:24:19 C 23 24 39.33 +44 46 14.1 u A98
2011-10-21 20:45:30 C 23 08 20.43 +52 31 26.8 o 046
2011-10-21 20:48:46 C 23 08 19.55 +52 31 45.3 o 046
2011-10-21 20:49:37 C 23 08 19.36 +52 31 50.4 o 046
2011-10-21 20:53:05 C 23 08 18.41 +52 32 10.2 o 046
2011-10-21 20:54:03 C 23 08 18.18 +52 32 15.9 o 046
2011-10-21 20:54:54 C 23 08 18.00 +52 32 20.6 o 046
2011-10-22 20:39:12 C 23 02 34.05 +54 46 52.2 u C47
2011-10-22 20:54:38 C 23 02 29.79 +54 48 16.7 u C47
2011-10-22 21:12:45 C 23 02 24.82 +54 49 55.5 u C47
2011-10-22 21:15:25 C 23 02 24.08 +54 50 09.9 u C47
2011-10-22 21:21:16 C 23 02 22.54 +54 50 41.5 u C47
2011-10-22 21:34:37 C 23 02 18.85 +54 51 54.3 u C47
2011-10-22 21:38:52 C 23 02 17.69 +54 52 17.0 u C47
2011-10-25 01:44:20 C 22 48 46.02 +59 22 04.0 o H21
2011-10-25 01:50:18 C 22 48 44.18 +59 22 32.9 o H21
2011-10-25 01:56:21 C 22 48 42.32 +59 23 02.8 o H21
2011-10-25 02:03:59 C 22 48 39.93 +59 23 39.9 o H21
2011-10-31 23:51:57 C 21 55 06.95 +70 04 39.4 o H21
2011-10-31 23:54:35 C 21 55 05.87 +70 04 47.6 o H21
2011-10-31 23:57:12 C 21 55 04.78 +70 04 55.5 o H21
2011-11-01 22:50:04 C 21 46 07.62 +71 10 05.4 o 046
2011-11-01 22:51:25 C 21 46 07.08 +71 10 08.6 o 046
2011-11-01 22:52:46 C 21 46 06.50 +71 10 12.1 o 046
2011-11-01 22:55:39 C 21 46 05.38 +71 10 19.6 o 046
2011-11-01 22:57:02 C 21 46 04.80 +71 10 23.4 o 046
2011-11-01 23:17:13 C 21 46 06.68 +71 11 53.8 u I15
2011-11-01 23:23:45 C 21 46 03.72 +71 12 12.5 u I15
2011-11-01 23:33:31 C 21 45 59.62 +71 12 39.3 u I15
2012-02-20 05:13:00 C 07 54 41.35 +49 28 59.2 u H21
2012-02-20 05:29:30 C 07 54 41.62 +49 28 34.6 u H21
2012-02-20 06:03:02 C 07 54 42.11 +49 27 44.2 u H21
2019-01-08 14:31:24 C 12 55 24.657 +06 57 45.75 V T12
2019-01-08 14:48:23 C 12 55 25.135 +06 57 41.03 V T12
2019-01-08 15:05:12 C 12 55 25.609 +06 57 36.33 V T12
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2011-10-16 02:43:00 -14569.95 0.4 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)