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
2005-10-10 18:17:18 C 23 10 57.75 +17 19 35.2 r 240
2005-10-10 18:17:47 C 23 10 57.57 +17 19 37.5 r 240
2005-10-10 18:19:41 C 23 10 56.88 +17 19 46.7 r 240
2005-10-10 18:20:09 C 23 10 56.71 +17 19 48.9 r 240
2005-10-10 18:21:06 C 23 10 56.38 +17 19 53.9 r 240
2005-10-10 18:22:31 C 23 10 55.87 +17 20 00.7 r 240
2005-10-10 18:23:28 C 23 10 55.52 +17 20 05.3 r 240
2005-10-10 18:28:24 C 23 10 53.77 +17 20 31.9 r A30
2005-10-10 18:31:15 C 23 10 52.73 +17 20 45.7 r A30
2005-10-10 18:32:28 C 23 10 52.29 +17 20 51.7 r A30
2005-10-10 18:33:04 C 23 10 52.08 +17 20 54.7 r A30
2005-10-10 18:33:40 C 23 10 51.86 +17 20 57.5 r A30
2005-10-11 18:37:58 C 23 02 14.73 +19 17 54.2 c 639
2005-10-11 18:57:42 C 23 02 07.31 +19 19 30.7 c 639
2005-10-11 19:08:55 C 23 02 03.16 +19 20 25.2 c 639
2005-10-11 19:13:28 C 23 02 01.43 +19 20 47.6 c 639
2005-10-11 19:18:54 C 23 01 59.36 +19 21 14.8 c 639
2005-10-11 19:26:35 C 23 01 56.45 +19 21 52.1 c 639
2005-10-11 19:37:39 C 23 01 52.30 +19 22 46.5 c 639
2005-10-11 19:44:03 C 23 01 49.90 +19 23 17.0 c 639
2005-10-13 04:47:43 C 22 49 29.42 +22 04 35.4 17.1 c 704
2005-10-13 05:03:33 C 22 49 23.17 +22 05 52.7 17.6 c 704
2005-10-13 05:19:23 C 22 49 16.89 +22 07 10.1 18.7 c 704
2005-10-13 05:35:15 C 22 49 10.55 +22 08 25.8 17.4 c 704
2005-10-13 05:51:05 C 22 49 04.28 +22 09 41.9 17.6 c 704
2005-10-15 19:38:05 C 22 24 44.12 +27 03 38.4 r 160
2005-10-15 19:40:04 C 22 24 43.29 +27 03 48.0 r 160
2005-10-15 19:42:04 C 22 24 42.47 +27 03 57.3 r 160
2005-10-15 19:44:04 C 22 24 41.58 +27 04 06.8 r 160
2005-10-15 19:45:59 C 22 24 40.82 +27 04 15.7 r 160
2005-10-15 19:48:05 C 22 24 39.90 +27 04 24.9 r 160
2005-10-24 02:17:29 C 21 00 39.34 +39 41 39.8 r 448
2005-10-24 02:28:14 C 21 00 34.59 +39 42 10.4 r 448
2005-10-24 02:38:59 C 21 00 29.84 +39 42 40.6 r 448
2005-10-24 02:51:48 C 21 00 24.25 +39 43 16.9 r 448
2005-10-24 03:06:42 C 21 00 17.62 +39 43 59.1 r 448
2005-11-06 16:52:33 C 19 01 30.61 +48 09 13.6 o 461
2005-11-06 16:56:02 C 19 01 29.54 +48 09 15.5 o 461
2005-11-06 16:59:32 C 19 01 28.42 +48 09 18.0 o 461
2005-11-06 17:03:01 C 19 01 27.36 +48 09 19.7 o 461
2006-01-20 11:44:25 C 15 37 48.48 +26 24 48.8 d 291
2006-01-20 11:50:36 C 15 37 48.22 +26 24 41.5 d 291
2006-01-20 11:56:43 C 15 37 48.06 +26 24 33.8 d 291
2006-02-19 01:36:50 C 15 03 58.46 +11 18 36.3 r A13
2006-02-19 01:57:04 C 15 03 56.73 +11 18 09.7 r A13
2006-03-05 10:05:09 C 14 26 28.68 +02 57 06.6 r 703
2006-03-05 10:17:30 C 14 26 27.09 +02 56 47.9 r 703
2006-03-05 10:29:38 C 14 26 25.22 +02 56 29.9 r 703
2006-03-05 10:41:52 C 14 26 23.49 +02 56 12.5 r 703
2006-03-05 12:22:26 C 14 26 09.12 +02 53 38.2 r 703