2009 SW

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4375911804 ± 6.28e-06
Semi-major axis (a)2.0194071202 AU ± 2.45e-05
Inclination (i)6.98812441° ± 7.33e-05
Long. of Asc. Node (Ω)190.99238331° ± 2.28e-05
Arg. of Perihelion (ω)204.06675242° ± 5.12e-05
Mean Anomaly (M)214.07644154° ± 3.69e-02
Mean Motion (n)0.3434602260°/day ± 6.25e-06
Perihelion dist (q)1.13573237 AU ± 1.87e-05
Aphelion dist (Q)2.90308187 AU ± 3.74e-05
Orbital Period2.86969555 yr ± 5.22e-05
Physical Parameters
H (abs. magnitude)22.10
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.375″
Uncertainty2
Orbit TypeAmor
MOID0.146337 AU
Observations Used83
Oppositions1
Arc Total2009-2010
First Observation Used2009-09-17
Last Observation Used2010-01-06
Observations (83)
Date Type RA Dec Mag Band Observatory
2009-10-18 04:50:04 C 00 43 29.85 -06 25 27.5 o 291
2009-10-18 04:55:47 C 00 43 30.64 -06 25 35.2 o 291
2009-10-18 05:01:59 C 00 43 31.52 -06 25 44.2 o 291
2009-10-19 05:22:55 C 00 47 14.19 -06 58 58.9 18.9 c 704
2009-10-19 05:41:58 C 00 47 16.94 -06 59 25.0 19.0 c 704
2009-10-19 06:01:00 C 00 47 19.61 -06 59 50.7 19.0 c 704
2009-10-19 06:20:04 C 00 47 22.35 -07 00 16.5 19.5 c 704
2009-10-19 06:39:08 C 00 47 25.00 -07 00 42.5 19.7 c 704
2009-10-21 04:57:50 C 00 54 39.12 -08 01 56.2 o H55
2009-10-21 05:03:17 C 00 54 39.89 -08 02 02.9 o H55
2009-10-21 05:08:54 C 00 54 40.71 -08 02 10.1 o H55
2009-10-23 07:05:45 C 01 02 38.97 -09 04 31.1 r 703
2009-10-23 07:15:15 C 01 02 40.45 -09 04 42.9 r 703
2009-10-23 07:24:48 C 01 02 41.78 -09 04 54.0 r 703
2009-10-23 07:34:26 C 01 02 43.26 -09 05 05.4 r 703
2009-11-01 04:04:47 C 01 37 38.01 -12 35 08.0 o H55
2009-11-01 04:10:22 C 01 37 38.84 -12 35 12.4 o H55
2009-11-01 04:15:55 C 01 37 39.62 -12 35 16.1 o H55
2009-11-02 04:05:50 C 01 41 33.49 -12 52 15.3 o H21
2009-11-02 04:07:40 C 01 41 33.76 -12 52 16.8 o H21
2009-11-02 04:13:58 C 01 41 34.69 -12 52 21.8 o H21
2009-11-10 06:29:07 C 02 12 01.80 -14 18 18.5 r 703
2009-11-10 06:38:38 C 02 12 03.06 -14 18 20.0 r 703
2009-11-10 06:56:18 C 02 12 05.50 -14 18 22.8 r 703
2009-11-10 07:05:59 C 02 12 06.91 -14 18 25.2 r 703
2009-11-17 07:04:59 C 02 35 43.00 -14 20 55.8 r 448
2009-11-17 07:39:03 C 02 35 47.15 -14 20 50.0 r 448
2009-11-17 08:16:44 C 02 35 51.71 -14 20 43.2 r 448
2009-12-06 04:40:22 C 03 25 48.64 -10 32 05.6 o H21
2009-12-06 04:57:20 C 03 25 50.05 -10 31 53.6 o H21
2009-12-06 05:13:12 C 03 25 51.36 -10 31 41.6 o H21
2010-01-06 02:24:48 C 04 23 20.56 +00 03 02.2 o H21
2010-01-06 03:02:45 C 04 23 23.12 +00 03 34.8 o H21