353190 (2009 ST)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3689606097 ± 4.50e-08
Semi-major axis (a)1.9558825479 AU ± 4.49e-09
Inclination (i)10.89710773° ± 1.19e-05
Long. of Asc. Node (Ω)189.12819249° ± 2.58e-05
Arg. of Perihelion (ω)270.08045509° ± 3.66e-05
Mean Anomaly (M)266.40720954° ± 2.29e-05
Mean Motion (n)0.3603280893°/day ± 1.24e-09
Perihelion dist (q)1.23423893 AU ± 8.81e-08
Aphelion dist (Q)2.67752617 AU ± 8.82e-08
Orbital Period2.73535789 yr ± 9.41e-09
Physical Parameters
H (abs. magnitude)19.84
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.355″
Uncertainty0
Orbit TypeAmor
MOID0.326322 AU
Observations Used121
Oppositions16
Arc Total1998-2024
First Observation Used1998-09-19
Last Observation Used2024-04-07
Observations (125)
Date Type RA Dec Mag Band Observatory
2013-01-10 07:00:25 C 11 11 55.73 -19 05 59.5 u 807
2013-01-10 07:05:26 C 11 11 56.01 -19 06 00.9 u 807
2013-01-10 07:10:28 C 11 11 56.29 -19 06 02.0 u 807
2013-01-10 07:15:29 C 11 11 56.56 -19 06 03.4 u 807
2013-01-10 07:20:29 C 11 11 56.84 -19 06 04.7 u 807
2013-02-13 10:14:31 C 11 31 32.58 -16 05 47.4 q 448
2013-02-13 10:43:45 C 11 31 32.09 -16 05 26.0 q 448
2013-02-13 11:13:34 C 11 31 31.67 -16 05 03.3 q 448
2013-02-18 09:01:57 C 11 29 47.74 -14 32 35.0 q 448
2013-02-18 09:29:54 C 11 29 47.05 -14 32 11.2 q 448
2013-02-18 09:46:12 C 11 29 46.83 -14 31 57.0 o 926
2013-02-18 09:57:50 C 11 29 46.48 -14 31 47.1 q 448
2013-02-18 10:14:42 C 11 29 46.25 -14 31 32.9 o 926
2013-02-18 10:39:16 C 11 29 45.61 -14 31 12.2 o 926
2013-03-12 08:52:42 C 11 16 15.74 -05 35 15.0 u 703
2013-03-12 09:01:37 C 11 16 15.52 -05 35 05.3 u 703
2013-03-12 09:10:39 C 11 16 15.20 -05 34 56.2 u 703
2013-03-12 09:19:36 C 11 16 15.06 -05 34 45.0 u 703
2013-03-15 05:14:25 C 11 14 35.63 -04 23 05.3 V G45
2013-03-15 06:09:23 C 11 14 34.05 -04 22 07.0 V G45
2013-03-15 08:02:24 C 11 14 31.07 -04 20 10.3 V G45
2013-03-15 08:23:40 C 11 14 30.48 -04 19 47.6 V G45
2013-04-03 07:47:46 C 11 08 50.804 +02 19 12.07 L F51
2013-04-03 08:31:14 C 11 08 50.654 +02 19 41.69 L F51
2013-04-14 05:38:42 C 11 10 44.29 +04 43 52.1 u G96
2013-04-14 05:48:53 C 11 10 44.40 +04 43 56.6 u G96
2013-04-14 05:59:02 C 11 10 44.54 +04 44 00.9 u G96
2013-04-14 06:09:11 C 11 10 44.65 +04 44 05.6 u G96
2016-04-15 07:00:39 C 15 47 03.52 -09 05 05.1 u H21
2016-04-15 07:17:01 C 15 47 02.90 -09 04 59.0 u H21
2016-04-15 07:27:25 C 15 47 02.54 -09 04 54.5 u H21
2020-08-23 08:21:10 C 00 44 26.09 +11 00 45.1 u H21
2020-08-23 08:31:10 C 00 44 26.13 +11 00 43.7 u H21
2020-08-23 08:39:55 C 00 44 26.16 +11 00 42.4 u H21
2020-09-14 09:06:03 C 00 39 22.839 +08 03 17.83 U F51
2020-09-14 09:25:49 C 00 39 22.288 +08 03 07.28 U F51
2020-09-14 09:45:38 C 00 39 21.745 +08 02 56.55 U F51
2020-09-17 09:10:14 C 00 37 26.067 +07 22 26.22 U F52
2020-09-17 09:36:16 C 00 37 25.229 +07 22 10.67 U F52
2020-09-17 09:49:18 C 00 37 24.814 +07 22 02.90 U F52
2020-09-25 04:21:29 C 00 31 12.16 +05 18 03.4 V G96
2020-09-25 04:29:32 C 00 31 11.79 +05 17 57.2 V G96
2020-09-25 04:37:37 C 00 31 11.42 +05 17 51.5 V G96
2020-09-25 04:45:41 C 00 31 11.11 +05 17 46.3 V G96
2020-10-08 05:43:32 C 00 18 27.10 +01 05 49.5 V G96
2020-10-08 05:51:00 C 00 18 26.77 +01 05 43.3 V G96
2020-10-08 05:58:27 C 00 18 26.42 +01 05 37.0 V G96
2020-10-08 06:05:55 C 00 18 26.04 +01 05 30.0 V G96
2020-10-14 07:30:20 C 00 12 29.311 -00 59 11.34 U F52
2020-10-14 07:47:55 C 00 12 28.567 -00 59 26.40 U F52