2009 SU

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4985819092 ± 1.25e-07
Semi-major axis (a)2.2980024960 AU ± 2.32e-09
Inclination (i)8.99792005° ± 1.85e-05
Long. of Asc. Node (Ω)176.42367330° ± 1.64e-05
Arg. of Perihelion (ω)144.89371283° ± 6.67e-05
Mean Anomaly (M)238.86320635° ± 1.92e-05
Mean Motion (n)0.2829349072°/day ± 4.28e-10
Perihelion dist (q)1.15226002 AU ± 2.86e-07
Aphelion dist (Q)3.44374497 AU ± 2.86e-07
Orbital Period3.48357964 yr ± 5.28e-09
Physical Parameters
H (abs. magnitude)22.78
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.388″
Uncertainty0
Orbit TypeAmor
MOID0.162178 AU
Observations Used86
Oppositions15
Arc Total2002-2023
First Observation Used2002-09-03
Last Observation Used2023-09-18
Observations (89)
Date Type RA Dec Mag Band Observatory
2002-09-03 04:54:23 C 21 57 08.72 +07 12 50.8 c 644
2002-09-03 05:24:01 C 21 57 13.88 +07 11 53.4 c 644
2002-09-03 05:55:14 C 21 57 19.26 +07 10 53.6 c 644
2002-09-04 07:31:42 C 22 01 58.91 +06 21 14.6 c 644
2002-09-04 07:47:17 C 22 02 01.54 +06 20 44.4 c 644
2002-09-04 08:09:36 C 22 02 05.30 +06 20 01.1 c 644
2002-09-04 08:50:06 C 22 02 12.17 +06 18 42.6 c 644
2002-09-04 09:20:19 C 22 02 17.33 +06 17 43.6 c 644
2002-09-04 09:51:07 C 22 02 22.60 +06 16 43.8 c 644
2002-09-13 05:59:41 C 22 37 50.88 -00 09 26.8 c 644
2002-09-13 06:44:10 C 22 37 57.12 -00 10 39.9 c 644
2002-09-13 06:49:19 C 22 37 57.86 -00 10 48.2 c 644
2002-09-13 07:47:55 C 22 38 06.10 -00 12 25.3 c 644
2009-09-17 04:30:52 C 00 15 20.55 +02 19 27.3 o 691
2009-09-17 04:56:21 C 00 15 22.12 +02 18 48.4 o 691
2009-09-17 05:21:49 C 00 15 23.63 +02 18 09.7 o 691
2009-09-17 06:51:05 C 00 15 28.91 +02 15 55.8 o 291
2009-09-17 06:56:42 C 00 15 29.24 +02 15 47.4 o 291
2009-09-17 07:02:06 C 00 15 29.59 +02 15 39.0 o 291
2009-09-17 09:59:48 C 00 15 39.78 +02 11 10.4 r G96
2009-09-17 10:09:51 C 00 15 40.35 +02 10 55.3 r G96
2009-09-17 10:20:02 C 00 15 40.89 +02 10 39.5 r G96
2009-09-17 10:30:10 C 00 15 41.58 +02 10 24.8 r G96
2009-09-17 13:21:01 C 00 15 52.82 +02 06 15.9 v F65
2009-09-17 13:22:47 C 00 15 52.91 +02 06 13.2 v F65
2009-09-17 13:24:11 C 00 15 53.02 +02 06 10.6 v F65
2009-09-18 04:32:52 C 00 16 55.26 +01 43 34.3 o 291
2009-09-18 04:38:13 C 00 16 55.60 +01 43 26.3 o 291
2009-09-18 07:04:57 C 00 17 03.04 +01 39 47.4 o H55
2009-09-18 07:17:05 C 00 17 03.72 +01 39 30.1 o H55
2009-09-18 07:29:02 C 00 17 04.36 +01 39 12.2 o H55
2009-09-20 06:27:49 C 00 19 57.99 +00 32 13.2 o 291
2009-09-20 06:33:09 C 00 19 58.26 +00 32 05.9 o 291
2009-09-20 06:38:34 C 00 19 58.55 +00 31 58.2 o 291
2009-09-21 11:45:48 C 00 21 36.81 -00 07 30.0 o F65
2009-09-21 11:49:18 C 00 21 36.87 -00 07 35.4 o F65
2009-09-23 07:12:49 C 00 23 56.54 -01 03 48.5 r G96
2009-09-23 07:27:02 C 00 23 57.12 -01 04 06.6 r G96
2009-09-23 07:41:08 C 00 23 57.69 -01 04 23.7 r G96
2009-09-23 07:55:19 C 00 23 58.34 -01 04 41.4 r G96
2009-09-26 09:04:29 C 00 27 28.00 -02 31 12.5 r G96
2009-09-26 09:13:29 C 00 27 28.29 -02 31 22.6 r G96
2009-09-26 09:22:28 C 00 27 28.65 -02 31 32.7 r G96
2009-09-26 09:31:21 C 00 27 28.98 -02 31 42.5 r G96
2009-09-30 05:39:12 C 00 31 20.37 -04 06 17.9 o 291
2009-09-30 05:44:43 C 00 31 20.51 -04 06 23.8 o 291
2009-09-30 05:50:01 C 00 31 20.66 -04 06 28.4 o 291
2009-10-15 08:01:58 C 00 42 29.85 -07 56 17.8 o 291
2009-10-15 08:19:03 C 00 42 30.38 -07 56 23.8 o 291
2009-10-15 08:36:04 C 00 42 30.45 -07 56 30.6 o 291