IAA RAS IAA Minor Planet Database

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
2011-10-15 18:50:04 C 23 38 11.64 +36 27 46.5 – o 046
2011-10-15 18:51:50 C 23 38 11.23 +36 27 58.8 – o 046
2011-10-15 20:23:19 C 23 37 53.81 +36 39 08.9 – c A48
2011-10-15 20:24:40 C 23 37 53.51 +36 39 18.6 – c A48
2011-10-15 20:26:01 C 23 37 53.24 +36 39 28.2 – c A48
2011-10-15 20:27:23 C 23 37 53.01 +36 39 38.1 – c A48
2011-10-15 21:47:45 C 23 37 37.14 +36 49 16.5 – t 204
2011-10-15 21:52:45 C 23 37 36.14 +36 49 52.5 – t 204
2011-10-15 21:57:09 C 23 37 35.27 +36 50 24.0 – t 204
2011-10-16 02:14:20 C 23 36 52.77 +37 21 18.2 – t H21
2011-10-16 02:18:06 C 23 36 51.98 +37 21 45.6 – t H21
2011-10-16 02:21:52 C 23 36 51.24 +37 22 12.8 – t H21
2011-10-16 02:25:38 C 23 36 50.47 +37 22 40.0 – t H21
2011-10-16 02:29:24 C 23 36 49.73 +37 23 07.5 – t H21
2011-10-16 02:32:36 C 23 36 49.05 +37 23 30.7 – t H21
2011-10-16 12:55:31 C 23 34 54.55 +38 37 47.9 – u 379
2011-10-16 13:17:02 C 23 34 50.06 +38 40 20.5 – u 379
2011-10-16 13:19:13 C 23 34 49.55 +38 40 35.6 – u 379
2011-10-16 13:24:29 C 23 34 48.47 +38 41 13.2 – u 379
2011-10-16 13:26:42 C 23 34 48.01 +38 41 28.5 – u 379
2011-10-16 13:39:06 C 23 34 45.43 +38 42 56.1 – u 379
2011-10-16 13:41:19 C 23 34 44.94 +38 43 11.8 – u 379
2011-10-16 19:42:50 C 23 33 41.75 +39 25 29.3 – o 046
2011-10-16 19:44:49 C 23 33 41.79 +39 25 47.3 – c A48
2011-10-16 19:45:06 C 23 33 41.30 +39 25 45.5 – o 046
2011-10-16 19:46:00 C 23 33 41.09 +39 25 52.0 – o 046
2011-10-16 19:46:51 C 23 33 40.93 +39 25 57.8 – o 046
2011-10-16 19:47:47 C 23 33 40.77 +39 26 04.7 – o 046
2011-10-16 19:48:30 C 23 33 41.05 +39 26 14.2 – c A48
2011-10-16 19:52:11 C 23 33 40.26 +39 26 40.5 – c A48
2011-10-16 19:55:52 C 23 33 39.47 +39 27 06.1 – c A48
2011-10-17 03:56:37 C 23 32 11.40 +40 23 33.4 – t G56
2011-10-17 04:06:47 C 23 32 09.24 +40 24 45.7 – t G56
2011-10-17 04:16:52 C 23 32 07.10 +40 25 57.2 – t G56
2011-10-17 04:23:24 C 23 32 05.74 +40 26 43.4 – t G56
2011-10-17 11:45:15 C 23 30 41.08 +41 18 09.8 – u 379
2011-10-17 11:47:26 C 23 30 40.57 +41 18 25.0 – u 379
2011-10-17 11:54:41 C 23 30 39.00 +41 19 15.6 – u 379
2011-10-17 11:56:51 C 23 30 38.53 +41 19 31.1 – u 379
2011-10-17 11:59:04 C 23 30 38.05 +41 19 46.7 – u 379
2011-10-17 12:04:18 C 23 30 36.90 +41 20 22.6 – u 379
2011-10-17 12:06:29 C 23 30 36.40 +41 20 38.0 – u 379
2011-10-17 20:01:41 C 23 29 05.64 +42 15 03.5 – u 160
2011-10-17 20:04:06 C 23 29 05.12 +42 15 20.1 – u 160
2011-10-17 20:04:56 C 23 29 04.47 +42 15 19.1 – o 046
2011-10-17 20:06:05 C 23 29 04.24 +42 15 26.9 – o 046
2011-10-17 20:06:29 C 23 29 04.54 +42 15 36.7 – u 160
2011-10-17 20:06:53 C 23 29 04.05 +42 15 32.7 – o 046
2011-10-17 20:08:27 C 23 29 04.16 +42 15 49.9 – u 160
2011-10-17 20:08:40 C 23 29 03.68 +42 15 44.7 – o 046
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)