339714 (2005 ST1)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3709841354 ± 1.99e-08
Semi-major axis (a)1.4512411703 AU ± 5.32e-10
Inclination (i)20.22850060° ± 9.76e-06
Long. of Asc. Node (Ω)7.54321333° ± 3.39e-06
Arg. of Perihelion (ω)80.69958538° ± 8.58e-06
Mean Anomaly (M)144.67013051° ± 4.45e-06
Mean Motion (n)0.5637712055°/day ± 3.10e-10
Perihelion dist (q)0.91285372 AU ± 2.89e-08
Aphelion dist (Q)1.98962862 AU ± 2.89e-08
Orbital Period1.74827354 yr ± 9.61e-10
Physical Parameters
H (abs. magnitude)20.35
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.446″
Uncertainty0
Orbit TypeApollo
MOID0.127096 AU
Observations Used480
Oppositions12
Arc Total1991-2020
First Observation Used1991-10-02
Last Observation Used2020-04-24
Observations (562)
Date Type RA Dec Mag Band Observatory
2012-10-06 03:02:09 C 00 14 42.95 +17 44 30.3 o G48
2012-10-06 03:02:44 C 00 14 42.73 +17 44 33.2 o G48
2012-10-06 03:03:18 C 00 14 42.58 +17 44 36.6 o G48
2012-10-06 03:31:09 C 00 14 34.25 +17 47 07.7 o G48
2012-10-06 03:31:44 C 00 14 34.10 +17 47 10.8 o G48
2012-10-06 03:32:17 C 00 14 33.92 +17 47 13.2 o G48
2012-10-06 03:32:49 C 00 14 33.78 +17 47 16.9 o G48
2012-10-06 03:33:23 C 00 14 33.61 +17 47 19.8 o G48
2012-10-06 03:33:58 C 00 14 33.45 +17 47 22.8 o G48
2012-10-06 07:57:06 C 00 13 12.06 +18 10 58.2 r 850
2012-10-06 08:03:56 C 00 13 10.00 +18 11 35.0 r 850
2012-10-07 02:55:18 C 00 07 35.18 +19 55 08.9 o G48
2012-10-07 02:55:57 C 00 07 34.98 +19 55 12.6 o G48
2012-10-07 02:56:36 C 00 07 34.74 +19 55 16.3 o G48
2012-10-07 02:57:12 C 00 07 34.55 +19 55 19.9 o G48
2012-10-07 02:57:46 C 00 07 34.37 +19 55 23.0 o G48
2012-10-07 02:58:24 C 00 07 34.18 +19 55 26.5 o G48
2012-10-10 19:00:46 C 23 36 38.84 +28 26 36.4 u 089
2012-10-10 19:03:36 C 23 36 37.66 +28 26 53.5 u 089
2012-10-10 19:06:27 C 23 36 36.50 +28 27 10.7 u 089
2012-10-10 19:09:18 C 23 36 35.31 +28 27 27.2 u 089
2012-10-10 19:12:09 C 23 36 34.18 +28 27 44.6 u 089
2012-10-10 19:15:00 C 23 36 33.01 +28 28 01.6 u 089
2012-10-10 19:17:51 C 23 36 31.84 +28 28 18.4 u 089
2012-10-10 19:20:42 C 23 36 30.66 +28 28 35.8 u 089
2012-10-10 19:23:33 C 23 36 29.50 +28 28 52.6 u 089
2012-10-10 19:26:24 C 23 36 28.33 +28 29 09.8 u 089
2012-10-13 20:31:02 C 23 04 46.03 +35 38 14.5 o B67
2012-10-13 20:41:39 C 23 04 40.84 +35 39 15.0 o B67
2012-10-13 20:52:53 C 23 04 35.35 +35 40 19.0 o B67
2012-10-20 06:23:12 C 21 41 21.44 +47 54 37.2 q H45
2012-10-20 06:25:28 C 21 41 20.10 +47 54 44.9 q H45
2012-10-20 06:26:51 C 21 41 19.28 +47 54 49.4 q H45
2012-10-20 06:27:45 C 21 41 18.75 +47 54 52.7 q H45
2012-10-20 06:29:12 C 21 41 17.84 +47 54 57.6 q H45
2012-10-20 06:29:59 C 21 41 17.34 +47 55 00.2 q H45
2012-10-20 19:08:55 C 21 33 50.56 +48 39 38.0 t 130
2012-10-20 19:10:34 C 21 33 49.51 +48 39 43.4 t 130
2012-10-20 19:12:13 C 21 33 48.45 +48 39 48.5 t 130
2012-10-20 19:13:53 C 21 33 47.46 +48 39 54.9 t 130
2013-01-20 12:08:40 C 15 28 24.67 +22 50 24.4 t 290
2013-01-20 12:11:39 C 15 28 24.61 +22 50 20.6 t 290
2013-01-20 12:14:38 C 15 28 24.56 +22 50 16.9 t 290
2013-02-26 11:33:01 C 14 49 44.05 +03 28 43.8 o 711
2013-02-26 11:37:58 C 14 49 43.53 +03 28 36.8 o 711
2013-02-26 11:42:58 C 14 49 42.96 +03 28 28.6 o 711
2013-03-13 10:41:37 C 14 05 36.56 -05 09 27.3 u 703
2013-03-13 10:51:24 C 14 05 35.05 -05 09 40.6 u 703
2013-03-13 11:01:16 C 14 05 33.50 -05 09 53.1 u 703
2013-03-13 11:11:13 C 14 05 32.06 -05 10 09.0 u 703