339492 (2005 GQ21)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2151951646 ± 4.17e-08
Semi-major axis (a)1.4263485106 AU ± 2.11e-09
Inclination (i)47.02318664° ± 1.21e-05
Long. of Asc. Node (Ω)203.23857443° ± 3.61e-06
Arg. of Perihelion (ω)143.62265969° ± 1.42e-05
Mean Anomaly (M)275.02583794° ± 1.49e-05
Mean Motion (n)0.5785938282°/day ± 1.28e-09
Perihelion dist (q)1.11940521 AU ± 5.94e-08
Aphelion dist (Q)1.73329181 AU ± 5.95e-08
Orbital Period1.70348565 yr ± 3.78e-09
Physical Parameters
H (abs. magnitude)18.39
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.372″
Uncertainty0
Orbit TypeAmor
MOID0.158778 AU
Observations Used315
Oppositions17
Arc Total1983-2024
First Observation Used2000-05-03
Last Observation Used2024-10-10
Observations (332)
Date Type RA Dec Mag Band Observatory
2010-05-09 03:30:21 C 11 27 54.03 +01 47 52.9 r G96
2010-05-09 03:40:31 C 11 27 54.07 +01 48 09.2 r G96
2010-05-09 03:50:45 C 11 27 54.07 +01 48 25.8 r G96
2010-05-09 04:00:56 C 11 27 54.10 +01 48 42.2 r G96
2012-07-18 23:03:28 C 23 28 50.03 +81 01 07.4 t 204
2012-07-18 23:37:10 C 23 28 59.49 +81 01 20.0 t 204
2012-08-19 23:04:08 C 03 07 51.45 +79 38 27.8 u A74
2012-08-20 00:36:25 C 03 08 08.36 +79 37 39.6 u A74
2012-08-20 02:08:45 C 03 08 24.62 +79 36 50.8 u A74
2012-09-10 02:30:44 C 04 01 29.16 +71 44 20.3 c A24
2012-09-10 02:52:01 C 04 01 29.66 +71 43 49.0 c A24
2012-09-10 03:15:52 C 04 01 30.30 +71 43 14.8 c A24
2012-09-10 03:37:09 C 04 01 30.81 +71 42 43.5 c A24
2012-09-17 00:32:49 C 04 04 38.21 +66 47 24.9 c A24
2012-09-17 00:34:22 C 04 04 38.40 +66 47 22.7 c A24
2012-09-17 00:35:25 C 04 04 38.27 +66 47 19.9 c A24
2012-09-17 00:56:32 C 04 04 38.02 +66 46 34.9 c A24
2012-09-17 01:21:28 C 04 04 37.88 +66 45 41.7 c A24
2012-09-17 01:41:54 C 04 04 37.71 +66 44 58.1 c A24
2012-09-17 01:42:56 C 04 04 37.69 +66 44 56.1 c A24
2012-09-17 01:43:58 C 04 04 37.67 +66 44 53.6 c A24
2012-09-17 01:45:01 C 04 04 37.69 +66 44 51.4 c A24
2012-10-11 00:16:57 C 03 38 45.18 +15 00 22.3 u 089
2012-10-11 00:19:48 C 03 38 44.95 +14 59 54.3 u 089
2012-10-11 00:22:39 C 03 38 44.68 +14 59 26.6 u 089
2012-10-11 00:25:30 C 03 38 44.42 +14 58 58.7 u 089
2012-10-11 00:28:21 C 03 38 44.18 +14 58 31.1 u 089
2012-10-12 22:24:10 C 03 35 00.74 +07 25 56.8 w C36
2012-10-12 22:24:27 C 03 35 00.77 +07 25 54.8 w C36
2012-10-12 22:26:43 C 03 35 00.54 +07 25 32.1 w C36
2012-10-12 22:28:31 C 03 35 00.35 +07 25 14.4 w C36
2012-10-12 22:28:47 C 03 35 00.37 +07 25 11.5 w C36
2012-10-13 22:50:58 C 03 32 58.68 +03 24 52.8 q J84
2012-10-13 22:53:57 C 03 32 58.40 +03 24 23.5 q J84
2012-10-13 22:56:56 C 03 32 58.13 +03 23 54.3 q J84
2012-10-14 08:47:17 C 03 32 07.18 +01 47 50.8 r 703
2012-10-14 08:59:40 C 03 32 06.00 +01 45 49.8 r 703
2012-10-14 09:12:08 C 03 32 04.81 +01 43 48.2 r 703
2012-10-14 09:24:27 C 03 32 03.62 +01 41 48.2 r 703
2012-10-14 11:15:13 c 03 31 55.049 +01 23 58.42 L F51
2012-10-14 11:33:59 c 03 31 53.246 +01 20 55.93 L F51
2012-10-16 07:51:04 C 03 28 04.14 -05 40 13.6 t H47
2012-10-16 07:56:43 C 03 28 03.59 -05 41 06.0 t H47
2012-10-16 08:01:55 C 03 28 03.06 -05 41 53.6 t H47
2012-10-17 08:44:17 C 03 25 54.04 -09 25 19.1 r 703
2012-10-17 09:02:51 C 03 25 52.21 -09 28 03.6 r 703
2012-10-17 09:12:04 C 03 25 51.31 -09 29 24.4 r 703
2015-03-16 01:13:02 C 09 46 12.60 -47 03 04.2 u 807
2015-03-16 01:21:28 C 09 46 12.18 -47 02 51.4 u 807
2015-03-16 01:29:51 C 09 46 11.76 -47 02 38.8 u 807