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
1998-09-19 05:39:29 C 22 30 31.092 -00 34 20.60 645
1998-09-19 05:44:15 C 22 30 30.857 -00 34 23.70 645
2002-02-21 02:47:45 C 08 35 51.36 -07 34 06.5 c 644
2002-02-21 03:17:28 C 08 35 52.22 -07 33 28.3 c 644
2002-02-21 03:47:21 C 08 35 53.04 -07 32 50.0 c 644
2002-02-23 04:19:42 C 08 37 29.17 -06 30 10.1 c 644
2002-02-23 04:36:44 C 08 37 29.65 -06 29 48.8 c 644
2002-03-15 03:02:43 C 08 59 00.25 +02 25 05.3 c 644
2002-03-15 03:17:51 C 08 59 01.02 +02 25 18.2 c 644
2002-03-15 03:32:59 C 08 59 01.80 +02 25 31.8 c 644
2009-09-16 06:53:13 C 23 29 46.42 +03 35 44.4 r G96
2009-09-16 07:03:06 C 23 29 45.96 +03 35 38.0 r G96
2009-09-16 07:13:23 C 23 29 45.45 +03 35 31.5 r G96
2009-09-16 07:23:26 C 23 29 44.95 +03 35 25.2 r G96
2009-09-16 08:08:19 C 23 29 42.82 +03 34 57.0 r G96
2009-09-16 08:15:19 C 23 29 42.50 +03 34 52.5 r G96
2009-09-16 08:22:24 C 23 29 42.14 +03 34 48.0 r G96
2009-09-16 08:29:26 C 23 29 41.78 +03 34 43.5 r G96
2009-09-17 03:52:52 C 23 28 49.31 +03 22 19.6 o 291
2009-09-17 03:58:28 C 23 28 49.10 +03 22 15.6 o 291
2009-09-17 04:03:50 C 23 28 48.75 +03 22 12.4 o 291
2009-09-18 02:45:37 C 23 27 46.04 +03 07 27.1 r H55
2009-09-18 02:56:10 C 23 27 45.55 +03 07 20.3 r H55
2009-09-18 03:08:24 C 23 27 45.03 +03 07 13.4 r H55
2009-09-18 05:01:26 C 23 27 39.77 +03 05 59.7 o 291
2009-09-18 05:06:44 C 23 27 39.53 +03 05 56.3 o 291
2009-09-18 05:12:06 C 23 27 39.27 +03 05 52.6 o 291
2009-09-23 09:09:42 C 23 21 53.39 +01 41 48.4 o 291
2009-09-23 09:16:40 C 23 21 53.02 +01 41 42.6 o 291
2009-09-28 06:05:19 C 23 16 33.96 +00 18 54.7 o 291
2009-09-28 06:10:48 C 23 16 33.68 +00 18 50.6 o 291
2009-09-28 06:16:38 C 23 16 33.46 +00 18 46.6 o 291
2009-09-29 07:14:51 C 23 15 27.07 +00 00 52.5 o 291
2009-09-29 07:20:20 C 23 15 26.78 +00 00 46.7 o 291
2009-09-29 07:32:32 C 23 15 26.20 +00 00 37.9 o 291
2009-10-09 05:34:48 C 23 06 03.29 -02 48 04.0 o 291
2009-10-09 05:51:47 C 23 06 02.68 -02 48 15.5 o 291
2009-10-09 06:02:48 C 23 06 02.28 -02 48 23.0 o 291
2009-10-15 04:55:57 C 23 01 48.90 -04 22 40.5 r G96
2009-10-15 05:05:02 C 23 01 48.64 -04 22 46.4 r G96
2009-10-15 05:14:08 C 23 01 48.28 -04 22 51.7 r G96
2009-10-15 05:23:21 C 23 01 48.14 -04 22 57.5 r G96
2009-10-17 02:56:20 C 23 00 44.60 -04 51 08.8 o 291
2009-10-17 03:01:36 C 23 00 44.47 -04 51 11.5 o 291
2009-10-17 03:07:02 C 23 00 44.36 -04 51 15.0 o 291
2012-12-12 06:33:18 C 10 14 22.01 -13 01 44.5 u 807
2012-12-12 06:39:37 C 10 14 22.64 -13 01 49.3 u 807
2012-12-12 06:44:37 C 10 14 23.13 -13 01 53.2 u 807
2012-12-12 06:49:36 C 10 14 23.62 -13 01 57.1 u 807
2012-12-12 06:54:35 C 10 14 24.13 -13 02 01.0 u 807