2009 SM

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3367448373 ± 1.46e-07
Semi-major axis (a)1.7721077278 AU ± 2.21e-08
Inclination (i)20.63782685° ± 1.61e-05
Long. of Asc. Node (Ω)22.03407366° ± 1.00e-05
Arg. of Perihelion (ω)273.51967746° ± 3.34e-05
Mean Anomaly (M)347.26729706° ± 1.59e-05
Mean Motion (n)0.4178083325°/day ± 7.82e-09
Perihelion dist (q)1.17535960 AU ± 2.59e-07
Aphelion dist (Q)2.36885586 AU ± 2.61e-07
Orbital Period2.35903932 yr ± 4.41e-08
Physical Parameters
H (abs. magnitude)19.47
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.302″
Uncertainty0
Orbit TypeAmor
MOID0.370784 AU
Observations Used100
Oppositions8
Arc Total2009-2023
First Observation Used2009-09-16
Last Observation Used2023-05-16
Observations (106)
Date Type RA Dec Mag Band Observatory
2009-10-19 06:43:31 C 01 19 55.47 +11 16 37.0 o H55
2009-10-21 05:16:22 C 01 15 32.39 +11 48 18.4 o H55
2009-10-21 05:21:33 C 01 15 31.90 +11 48 21.9 o H55
2009-10-21 05:26:05 C 01 15 31.45 +11 48 25.0 o H55
2009-10-27 05:10:01 C 01 03 18.03 +13 16 36.9 r G96
2009-10-27 05:19:52 C 01 03 17.24 +13 16 42.7 r G96
2009-10-27 05:29:21 C 01 03 16.48 +13 16 48.1 r G96
2009-10-27 05:39:01 C 01 03 15.69 +13 16 53.2 r G96
2009-11-26 04:35:38 C 00 36 37.97 +18 08 40.0 o 291
2009-11-26 04:46:24 C 00 36 37.96 +18 08 43.5 o 291
2009-11-26 04:57:00 C 00 36 37.92 +18 08 45.9 o 291
2011-03-14 09:29:01 C 11 33 25.13 +28 15 21.9 o 291
2011-03-14 09:35:05 C 11 33 24.60 +28 15 21.7 o 291
2011-03-14 09:41:11 C 11 33 24.12 +28 15 22.1 o 291
2016-03-19 11:33:07 C 16 09 53.97 -25 49 40.6 o 691
2016-03-19 11:38:42 C 16 09 54.46 -25 49 48.6 o 691
2016-09-22 21:12:17 C 23 40 31.70 -40 47 56.5 o K95
2016-09-22 21:27:25 C 23 40 29.90 -40 47 17.3 o K95
2016-09-26 12:25:47 C 23 32 22.55 -37 16 15.2 q Q60
2016-09-26 12:39:41 C 23 32 21.32 -37 15 42.5 q Q60
2016-09-26 12:53:37 C 23 32 20.05 -37 15 08.5 q Q60
2016-10-07 08:14:07 C 23 16 22.778 -27 05 46.86 L F51
2016-10-07 08:17:50 C 23 16 22.605 -27 05 38.51 L F51
2016-10-07 08:28:58 C 23 16 22.089 -27 05 13.85 L F51
2016-10-07 08:32:40 C 23 16 21.922 -27 05 05.65 L F51
2016-10-07 08:43:49 C 23 16 21.420 -27 04 40.93 L F51
2016-10-07 08:58:40 C 23 16 20.718 -27 04 07.61 L F51
2016-10-07 09:02:22 C 23 16 20.546 -27 03 59.52 L F51
2023-03-25 11:26:43 C 14 28 17.022 -11 23 56.86 U F52
2023-03-25 11:44:15 C 14 28 16.418 -11 24 09.89 U F52
2023-03-25 12:01:48 C 14 28 15.805 -11 24 22.72 U F52
2023-03-25 12:19:21 C 14 28 15.212 -11 24 35.24 U F52
2023-03-26 08:00:33 C 14 27 36.55 -11 38 48.3 u 807
2023-03-26 08:08:53 C 14 27 36.22 -11 38 54.2 u 807
2023-03-26 08:17:13 C 14 27 35.87 -11 39 00.6 u 807
2023-03-31 13:44:32 C 14 22 28.149 -13 16 22.34 U F51
2023-03-31 13:58:45 C 14 22 27.424 -13 16 33.86 U F51
2023-03-31 14:00:37 C 14 22 27.323 -13 16 35.30 U F51
2023-03-31 14:14:51 C 14 22 26.583 -13 16 46.82 U F51
2023-03-31 14:16:43 C 14 22 26.490 -13 16 48.33 U F51
2023-03-31 14:30:55 C 14 22 25.756 -13 16 59.72 U F51
2023-03-31 14:32:46 C 14 22 25.665 -13 17 01.33 U F51
2023-04-22 09:40:39 C 13 40 05.516 -21 35 02.39 U F52
2023-04-22 09:56:16 C 13 40 03.703 -21 35 18.56 U F52
2023-04-22 10:11:55 C 13 40 01.889 -21 35 34.85 U F52
2023-04-22 10:27:33 C 13 40 00.076 -21 35 51.04 U F52
2023-04-28 22:56:21 C 13 21 46.349 -24 16 48.86 X L87
2023-04-28 23:05:09 C 13 21 45.175 -24 16 57.07 X L87
2023-04-28 23:13:57 C 13 21 44.093 -24 17 06.18 X L87
2023-05-10 06:44:58 C 12 48 47.296 -28 35 54.99 X F51