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
2011-10-03 23:05:46 C 00 16 05.35 +04 08 31.0 – c A24
2011-10-03 23:06:55 C 00 16 05.20 +04 08 37.3 – c A24
2011-10-04 21:52:30 C 00 13 48.27 +06 18 52.3 – c A24
2011-10-04 21:53:02 C 00 13 48.24 +06 18 55.3 – c A24
2011-10-04 21:53:34 C 00 13 48.15 +06 18 58.9 – c A24
2011-10-04 21:54:06 C 00 13 48.06 +06 19 02.6 – c A24
2011-10-04 22:29:54 C 00 13 43.43 +06 22 28.7 – o 046
2011-10-04 22:31:10 C 00 13 43.30 +06 22 36.0 – o 046
2011-10-04 22:32:12 C 00 13 43.18 +06 22 41.9 – o 046
2011-10-04 22:33:14 C 00 13 43.04 +06 22 48.3 – o 046
2011-10-04 22:34:32 C 00 13 42.90 +06 22 55.2 – o 046
2011-10-06 21:00:25 C 00 08 41.34 +11 08 15.5 – u 160
2011-10-06 21:02:29 C 00 08 41.06 +11 08 28.9 – u 160
2011-10-06 21:03:58 C 00 08 40.85 +11 08 38.8 – u 160
2011-10-06 21:05:21 C 00 08 40.67 +11 08 47.6 – u 160
2011-10-07 01:40:00 C 00 08 10.11 +11 38 15.7 – u I15
2011-10-07 01:41:50 C 00 08 09.89 +11 38 26.5 – u I15
2011-10-07 01:45:29 C 00 08 09.41 +11 38 50.8 – u I15
2011-10-08 03:27:26 C 00 05 06.35 +14 28 18.9 – o H21
2011-10-08 03:31:32 C 00 05 05.79 +14 28 46.4 – o H21
2011-10-08 03:35:39 C 00 05 05.21 +14 29 14.2 – o H21
2011-10-08 03:39:46 C 00 05 04.63 +14 29 42.0 – o H21
2011-10-08 03:43:35 C 00 05 04.09 +14 30 07.8 – o H21
2011-10-09 04:57:44 C 00 01 53.75 +17 22 38.8 – t H21
2011-10-09 05:01:33 C 00 01 53.16 +17 23 05.5 – t H21
2011-10-09 05:05:40 C 00 01 52.56 +17 23 34.0 – t H21
2011-10-09 05:10:02 C 00 01 51.91 +17 24 04.4 – t H21
2011-10-09 05:14:08 C 00 01 51.30 +17 24 32.7 – t H21
2011-10-09 05:18:10 C 00 01 50.71 +17 25 00.6 – t H21
2011-10-11 06:58:03 C 23 55 07.43 +23 18 23.2 – t H21
2011-10-11 07:02:21 C 23 55 06.75 +23 18 54.3 – t H21
2011-10-11 07:06:40 C 23 55 06.05 +23 19 25.3 – t H21
2011-10-11 07:10:59 C 23 55 05.37 +23 19 56.2 – t H21
2011-10-11 07:15:17 C 23 55 04.69 +23 20 27.2 – t H21
2011-10-11 07:19:27 C 23 55 04.03 +23 20 57.0 – t H21
2011-10-14 01:55:34 C 23 45 05.56 +31 29 39.2 – o H21
2011-10-14 02:02:52 C 23 45 04.25 +31 30 32.9 – o H21
2011-10-14 02:08:00 C 23 45 03.31 +31 31 11.5 – o H21
2011-10-14 02:11:14 C 23 45 02.72 +31 31 35.1 – o H21
2011-10-14 02:13:55 C 23 45 02.24 +31 31 55.2 – o H21
2011-10-14 02:20:23 C 23 45 01.06 +31 32 43.4 – o H21
2011-10-15 03:31:56 C 23 40 48.35 +34 37 11.6 – o H21
2011-10-15 03:36:02 C 23 40 47.54 +34 37 41.6 – o H21
2011-10-15 03:40:08 C 23 40 46.75 +34 38 11.4 – o H21
2011-10-15 03:44:13 C 23 40 45.93 +34 38 41.2 – o H21
2011-10-15 03:48:18 C 23 40 45.15 +34 39 10.8 – o H21
2011-10-15 03:51:51 C 23 40 44.45 +34 39 36.7 – o H21
2011-10-15 18:47:20 C 23 38 12.17 +36 27 26.9 – o 046
2011-10-15 18:48:22 C 23 38 11.96 +36 27 34.1 – o 046
2011-10-15 18:49:14 C 23 38 11.77 +36 27 39.6 – 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)