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
2013-04-03 07:50:56 C 12 47 39.19 -14 32 24.5 u 703
2013-04-03 07:58:16 C 12 47 38.07 -14 32 29.2 u 703
2013-04-03 08:05:40 C 12 47 37.03 -14 32 34.5 u 703
2013-04-03 08:12:58 C 12 47 35.95 -14 32 40.2 u 703
2019-09-07 12:40:33 C 01 49 37.026 -08 50 41.20 U F51
2019-09-07 12:57:40 C 01 49 36.953 -08 50 22.15 U F51
2019-09-07 13:14:45 C 01 49 36.878 -08 50 03.20 U F51
2019-09-07 13:31:50 C 01 49 36.797 -08 49 44.15 U F51
2019-09-20 08:47:13 C 01 43 44.18 -00 23 21.7 V 703
2019-09-20 08:55:04 C 01 43 43.64 -00 23 03.0 V 703
2019-09-20 09:02:56 C 01 43 43.27 -00 22 43.5 V 703
2019-09-20 09:10:48 C 01 43 42.73 -00 22 25.4 V 703
2019-09-24 13:26:29 C 01 37 43.39 +04 13 14.5 V T05
2019-09-24 13:31:22 C 01 37 42.96 +04 13 29.6 V T05
2019-09-24 13:55:42 C 01 37 40.94 +04 14 46.2 V T05
2019-09-27 11:48:42 C 01 31 41.126 +08 18 04.59 U F51
2019-09-27 12:04:57 C 01 31 39.311 +08 19 06.77 U F51
2019-09-27 12:21:00 C 01 31 37.517 +08 20 08.26 U F51
2019-09-27 12:36:57 C 01 31 35.733 +08 21 09.43 U F51
2019-09-29 09:10:48 C 01 26 44.56 +11 23 08.8 V 703
2019-09-29 09:18:17 C 01 26 43.55 +11 23 41.2 V 703
2019-09-29 09:25:45 C 01 26 42.61 +11 24 13.5 V 703
2019-09-29 09:33:14 C 01 26 41.62 +11 24 46.2 V 703
2019-09-29 11:23:55 C 01 26 29.22 +11 32 58.5 V T05
2019-09-29 11:29:04 C 01 26 28.53 +11 33 20.8 V T05
2019-09-29 11:40:55 C 01 26 26.96 +11 34 12.5 V T05
2019-09-29 11:58:46 C 01 26 24.55 +11 35 30.5 V T05
2019-09-30 07:09:36 C 01 24 01.91 +13 01 28.5 V G96
2019-09-30 07:17:45 C 01 24 00.76 +13 02 06.0 V G96
2019-09-30 07:25:54 C 01 23 59.59 +13 02 43.6 V G96
2019-09-30 07:34:03 C 01 23 58.43 +13 03 21.3 V G96
2019-10-01 10:29:23 C 01 20 16.50 +15 12 14.7 V T08
2019-10-01 10:46:42 C 01 20 13.75 +15 13 40.3 V T08
2019-10-01 10:52:47 C 01 20 12.77 +15 14 10.6 V T08
2019-10-01 11:09:03 C 01 20 10.16 +15 15 31.5 V T08
2019-10-02 06:50:11 C 01 17 12.67 +16 55 26.3 V 703
2019-10-02 06:57:42 C 01 17 11.37 +16 56 05.8 V 703
2019-10-02 07:05:14 C 01 17 10.09 +16 56 44.9 V 703
2019-10-02 07:12:45 C 01 17 08.80 +16 57 24.0 V 703
2019-10-03 00:48:51 C 01 14 15.19 +18 31 06.8 q 160
2019-10-03 00:51:53 C 01 14 14.64 +18 31 23.3 q 160
2019-10-03 00:54:50 C 01 14 14.12 +18 31 39.3 q 160
2019-10-03 09:58:24 C 01 12 39.63 +19 21 43.4 o 691
2019-10-03 10:16:01 C 01 12 36.32 +19 23 21.0 o 691
2019-10-03 10:33:39 C 01 12 32.94 +19 25 00.0 o 691
2019-10-03 23:46:42 C 01 10 12.04 +20 39 42.4 q 160
2019-10-03 23:49:42 C 01 10 11.44 +20 40 00.0 q 160
2019-10-03 23:52:40 C 01 10 10.89 +20 40 17.6 q 160
2019-10-05 06:57:43 C 01 04 03.09 +23 45 32.2 V 703
2019-10-05 07:05:17 C 01 04 01.49 +23 46 17.5 V 703