2009 SW171

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2333491000
Semi-major axis (a)1.3309939000 AU
Inclination (i)3.06336000°
Long. of Asc. Node (Ω)187.97096000°
Arg. of Perihelion (ω)150.22989000°
Mean Anomaly (M)202.12769000°
Mean Motion (n)0.6418595000°/day
Perihelion dist (q)1.02040770 AU
Aphelion dist (Q)1.64158010 AU
Orbital Period1.53555050 yr
Physical Parameters
H (abs. magnitude)26.10
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.560″
Uncertainty6
Orbit TypeAmor
MOID0.023445 AU
Observations Used31
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-10-24
Observations (32)
Date Type RA Dec Mag Band Observatory
2009-09-28 08:29:05 C 01 38 04.31 +12 48 24.3 o 691
2009-09-28 08:54:33 C 01 38 08.28 +12 47 21.5 o 691
2009-09-28 09:20:02 C 01 38 12.33 +12 46 16.3 o 691
2009-09-28 11:27:00 C 01 38 32.44 +12 40 44.8 o H01
2009-09-28 11:32:09 C 01 38 33.32 +12 40 31.6 o H01
2009-09-28 11:42:20 C 01 38 35.08 +12 40 05.2 o H01
2009-09-29 01:57:02 C 01 41 31.39 +12 05 05.2 r J95
2009-09-29 02:09:35 C 01 41 33.28 +12 04 35.8 r J95
2009-09-29 02:29:43 C 01 41 36.47 +12 03 47.6 r J95
2009-09-29 07:55:39 C 01 42 42.46 +11 52 04.1 o 291
2009-09-29 08:01:33 C 01 42 43.30 +11 51 50.2 o 291
2009-09-29 08:07:23 C 01 42 44.09 +11 51 37.0 o 291
2009-09-29 09:11:26 C 01 42 50.55 +11 48 45.5 20.4 r H36
2009-09-29 09:21:05 C 01 42 51.88 +11 48 23.1 20.3 r H36
2009-09-29 09:30:44 C 01 42 53.33 +11 48 00.5 20.1 r H36
2009-10-01 05:34:35 C 01 50 26.43 +10 13 24.0 o H55
2009-10-01 05:46:11 C 01 50 27.74 +10 13 04.0 o H55
2009-10-01 05:51:01 C 01 50 32.06 +10 13 10.1 o 291
2009-10-01 05:56:43 C 01 50 32.79 +10 12 59.5 o 291
2009-10-01 05:56:51 C 01 50 28.96 +10 12 44.2 o H55
2009-10-01 06:02:35 C 01 50 33.46 +10 12 48.5 o 291
2009-10-09 10:48:20 C 02 10 31.33 +05 18 23.5 o 291
2009-10-09 11:00:12 C 02 10 31.82 +05 18 09.9 o 291
2009-10-14 08:45:44 C 02 16 25.50 +03 29 32.0 o 291
2009-10-14 08:51:13 C 02 16 25.54 +03 29 28.1 o 291
2009-10-14 08:57:21 C 02 16 25.66 +03 29 23.2 o 291
2009-10-23 08:35:20 C 02 21 14.09 +01 33 05.2 o 291
2009-10-23 08:45:23 C 02 21 14.13 +01 33 01.2 o 291
2009-10-23 08:56:23 C 02 21 13.94 +01 32 56.7 o 291
2009-10-24 07:18:52 C 02 21 31.19 +01 25 43.1 o 291
2009-10-24 07:35:27 C 02 21 31.04 +01 25 38.5 o 291
2009-10-24 07:52:22 C 02 21 30.80 +01 25 32.3 o 291