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
2019-10-18 08:26:32 C 22 44 32.16 +58 49 54.8 V T08
2019-10-19 15:51:32 C 22 18 09.36 +61 16 30.5 q C97
2019-10-19 15:53:42 C 22 18 06.35 +61 16 39.6 q C97
2019-10-19 15:55:54 C 22 18 05.34 +61 16 49.1 q C97
2019-10-19 15:58:05 C 22 18 03.92 +61 16 57.6 q C97
2019-10-23 15:00:23 C 20 46 35.18 +65 44 24.8 q C97
2019-10-23 15:02:34 C 20 46 33.33 +65 44 27.7 q C97
2019-10-23 15:04:45 C 20 46 31.04 +65 44 30.9 q C97
2019-10-23 15:06:57 C 20 46 29.24 +65 44 34.2 q C97
2019-10-24 03:52:38 C 20 33 47.54 +66 00 15.3 V 703
2019-10-24 04:01:22 C 20 33 38.57 +66 00 23.5 V 703
2019-10-24 04:10:18 C 20 33 29.53 +66 00 32.1 V 703
2019-10-24 04:19:28 C 20 33 20.32 +66 00 40.8 V 703
2019-10-24 12:44:26 S 20 18 37.018 +65 34 58.58 V C57
2019-10-24 12:44:26 s 1 +80221.382 0 +335330.14 8310.0 C57
2019-10-24 17:14:26 S 20 14 29.921 +65 36 03.89 V C57
2019-10-24 17:14:26 s 1 +71528.278 0 +343713.09 7380.0 C57
2019-10-24 20:44:26 S 20 11 14.340 +65 37 02.82 V C57
2019-10-24 20:44:26 s 1 +64654.229 0 +349660.45 6510.0 C57
2019-10-24 21:14:26 S 20 10 48.142 +65 37 17.33 V C57
2019-10-24 21:14:26 s 1 +63665.081 0 +350469.82 9360.0 C57
2019-10-24 23:44:26 S 20 08 30.439 +65 37 40.91 V C57
2019-10-24 23:44:26 s 1 +58695.028 0 +354367.51 3040.0 C57
2019-10-25 00:14:26 S 20 08 01.042 +65 37 53.44 V C57
2019-10-25 00:14:26 s 1 +57696.411 0 +355117.39 8470.0 C57
2019-10-30 17:47:38 S 18 24 14.033 +64 53 54.78 L C51
2019-10-30 20:56:08 S 18 22 18.194 +64 49 34.79 L C51
2019-11-02 02:09:23 C 17 53 05.95 +63 29 42.0 V 703
2019-11-02 02:26:07 C 17 52 57.52 +63 29 13.0 V 703
2019-11-02 02:34:28 C 17 52 53.25 +63 28 57.6 V 703
2019-11-03 02:29:50 C 17 41 45.78 +62 50 02.2 U I41
2019-11-03 02:43:15 C 17 41 39.65 +62 49 38.1 U I41
2019-11-03 02:50:29 C 17 41 36.36 +62 49 25.3 U I41
2019-11-03 02:51:49 C 17 41 35.79 +62 49 22.9 U I41
2019-11-09 01:30:25 C 16 53 09.38 +58 50 50.6 V G96
2019-11-09 01:38:24 C 16 53 07.23 +58 50 36.6 V G96
2019-11-09 01:46:23 C 16 53 05.14 +58 50 22.9 V G96
2019-11-09 01:54:21 C 16 53 02.99 +58 50 08.5 V G96
2020-01-24 12:36:42 C 15 20 12.81 +17 43 05.8 V G96
2020-01-24 12:42:08 C 15 20 12.79 +17 42 58.9 V G96
2020-01-24 12:47:32 C 15 20 12.74 +17 42 51.8 V G96
2020-01-24 12:52:58 C 15 20 12.70 +17 42 45.0 V G96
2020-03-21 11:36:00 C 13 45 34.577 -12 20 08.20 U F51
2020-03-21 11:52:39 C 13 45 31.914 -12 20 27.55 U F51
2020-03-29 10:13:38 C 13 16 05.378 -15 34 42.69 U F51
2020-03-29 10:30:09 C 13 16 02.765 -15 34 57.07 U F51
2020-03-29 10:31:05 C 13 16 02.616 -15 34 57.95 U F51
2020-03-29 10:47:35 C 13 15 59.987 -15 35 12.34 U F51
2020-03-29 10:48:31 C 13 15 59.852 -15 35 13.22 U F51
2020-03-29 11:04:59 C 13 15 57.232 -15 35 27.56 U F51