2009 HW2

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5179212000
Semi-major axis (a)2.1849763000 AU
Inclination (i)2.88235000°
Long. of Asc. Node (Ω)211.26482000°
Arg. of Perihelion (ω)351.03425000°
Mean Anomaly (M)54.29993000°
Mean Motion (n)0.3051644800°/day
Perihelion dist (q)1.05333080 AU
Aphelion dist (Q)3.31662180 AU
Orbital Period3.22975880 yr
Physical Parameters
H (abs. magnitude)24.00
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.520″
Uncertainty5
Orbit TypeAmor
MOID0.050485 AU
Observations Used32
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-04-22
Observations (32)
Date Type RA Dec Mag Band Observatory
2009-03-01 00:52:19 C 09 51 13.67 -03 05 57.0 o 950
2009-03-01 01:02:20 C 09 51 13.89 -03 06 03.4 o 950
2009-03-01 01:12:19 C 09 51 14.05 -03 06 09.7 o 950
2009-03-01 01:21:19 C 09 51 14.20 -03 06 14.9 o 950
2009-03-01 02:10:20 C 09 51 14.99 -03 06 43.8 o 950
2009-03-01 02:18:19 C 09 51 15.16 -03 06 50.2 o 950
2009-03-01 03:05:19 C 09 51 16.00 -03 07 16.9 o 950
2009-03-01 03:13:20 C 09 51 16.20 -03 07 23.4 o 950
2009-04-19 09:43:43 C 16 21 47.01 -21 35 58.0 r G96
2009-04-19 09:53:33 C 16 21 50.83 -21 35 46.1 r G96
2009-04-19 10:03:29 C 16 21 54.64 -21 35 34.2 r G96
2009-04-19 10:13:10 C 16 21 58.39 -21 35 22.5 r G96
2009-04-19 10:37:13 C 16 22 07.71 -21 34 51.8 r G96
2009-04-19 10:38:02 C 16 22 08.03 -21 34 51.3 r G96
2009-04-19 11:20:03 C 16 22 24.27 -21 33 58.5 r G96
2009-04-19 11:20:53 C 16 22 24.60 -21 33 57.2 r G96
2009-04-19 11:21:40 C 16 22 24.96 -21 33 55.9 r G96
2009-04-20 10:13:59 C 16 31 40.76 -21 05 56.9 o 291
2009-04-20 10:20:11 C 16 31 43.03 -21 05 48.7 o 291
2009-04-20 10:20:48 C 16 31 43.15 -21 05 48.9 r G96
2009-04-20 10:22:28 C 16 31 43.70 -21 05 47.2 r G96
2009-04-20 10:26:22 C 16 31 45.27 -21 05 41.3 o 291
2009-04-20 10:44:20 C 16 31 51.05 -21 05 20.9 v H01
2009-04-20 10:51:51 C 16 31 53.72 -21 05 11.4 v H01
2009-04-20 10:57:52 C 16 31 55.86 -21 05 03.6 v H01
2009-04-20 11:03:25 C 16 31 57.83 -21 04 56.5 v H01
2009-04-22 08:09:28 C 16 48 07.58 -20 09 44.1 o H55
2009-04-22 08:13:21 C 16 48 08.68 -20 09 40.6 o H55
2009-04-22 08:18:47 C 16 48 10.26 -20 09 35.0 o H55
2009-04-22 15:54:10 C 16 50 36.78 -19 57 57.8 o 474
2009-04-22 15:57:15 C 16 50 37.68 -19 57 54.3 o 474
2009-04-22 16:00:19 C 16 50 38.57 -19 57 50.4 o 474