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
2005-09-29 08:23:21 C 00 26 08.65 -01 12 35.6 o 699
2005-09-30 20:38:16 C 00 18 34.46 +00 42 28.9 o 108
2005-09-30 20:46:59 C 00 18 32.60 +00 42 56.9 o 108
2005-09-30 20:50:54 C 00 18 31.68 +00 43 08.2 o 108
2005-10-01 12:01:09 C 00 15 09.08 +01 34 34.6 m 355
2005-10-01 12:17:38 C 00 15 05.12 +01 35 31.5 m 355
2005-10-01 12:20:55 C 00 15 04.40 +01 35 42.7 m 355
2005-10-01 12:24:41 C 00 15 03.48 +01 35 56.5 m 355
2005-10-01 22:38:00 C 00 12 41.21 +02 11 32.1 c 157
2005-10-01 22:39:59 C 00 12 40.75 +02 11 37.9 c 157
2005-10-01 22:41:39 C 00 12 40.33 +02 11 44.0 c 157
2005-10-02 05:07:24 C 00 11 11.04 +02 34 42.5 17.8 c 704
2005-10-02 05:22:51 C 00 11 07.24 +02 35 38.0 17.8 c 704
2005-10-02 05:53:45 C 00 10 59.60 +02 37 29.8 17.8 c 704
2005-10-02 06:09:20 C 00 10 55.68 +02 38 24.8 17.9 c 704
2005-10-02 22:51:31 C 00 06 54.14 +03 39 18.1 o J69
2005-10-02 22:54:33 C 00 06 53.41 +03 39 28.3 o J69
2005-10-02 22:57:38 C 00 06 52.56 +03 39 40.3 o J69
2005-10-04 22:10:59 C 23 54 38.36 +06 44 23.9 r 084
2005-10-04 22:32:32 C 23 54 33.39 +06 45 57.6 c 951
2005-10-04 23:04:11 C 23 54 24.48 +06 48 07.2 c 951
2005-10-04 23:41:43 C 23 54 13.83 +06 50 42.1 c 951
2005-10-05 19:53:48 C 23 48 37.61 +08 15 11.3 c 639
2005-10-05 19:57:31 C 23 48 36.50 +08 15 27.5 c 639
2005-10-05 20:02:44 C 23 48 35.00 +08 15 49.6 c 639
2005-10-06 22:14:09 C 23 40 54.10 +10 09 34.3 r 084
2005-10-06 22:16:07 C 23 40 53.49 +10 09 43.2 r 084
2005-10-06 22:18:14 C 23 40 52.86 +10 09 52.9 r 084
2005-10-07 05:04:10 C 23 38 51.97 +10 40 22.9 r 703
2005-10-07 05:15:49 C 23 38 48.30 +10 41 15.3 r 703
2005-10-07 05:27:30 C 23 38 44.55 +10 42 07.4 r 703
2005-10-07 05:39:06 C 23 38 40.92 +10 42 59.2 r 703
2005-10-08 18:48:37 C 23 27 01.34 +13 33 06.8 o 151
2005-10-08 18:50:20 C 23 27 00.78 +13 33 14.7 o 151
2005-10-08 18:52:19 C 23 27 00.12 +13 33 23.9 o 151
2005-10-08 18:53:55 C 23 26 59.57 +13 33 31.9 o 151
2005-10-08 20:35:49 C 23 26 25.37 +13 41 32.6 r A13
2005-10-08 20:38:04 C 23 26 24.60 +13 41 42.8 r A13
2005-10-08 20:39:46 C 23 26 24.04 +13 41 51.0 r A13
2005-10-08 20:51:50 C 23 26 19.96 +13 42 47.7 r A13
2005-10-08 20:52:33 C 23 26 19.69 +13 42 51.1 r A13
2005-10-08 20:54:02 C 23 26 19.22 +13 42 58.2 r A13
2005-10-09 23:12:19 C 23 17 30.71 +15 47 45.5 r 160
2005-10-09 23:14:05 C 23 17 30.08 +15 47 53.9 r 160
2005-10-09 23:16:39 C 23 17 29.19 +15 48 06.1 r 160
2005-10-09 23:18:27 C 23 17 28.54 +15 48 14.5 r 160
2005-10-09 23:20:55 C 23 17 27.64 +15 48 26.6 r 160
2005-10-10 18:14:27 C 23 10 58.76 +17 19 21.4 r 240
2005-10-10 18:15:24 C 23 10 58.43 +17 19 25.8 r 240
2005-10-10 18:16:21 C 23 10 58.09 +17 19 30.7 r 240