2009 ST104

NEO MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5684284000
Semi-major axis (a)1.9467543000 AU
Inclination (i)8.36406000°
Long. of Asc. Node (Ω)178.80838000°
Arg. of Perihelion (ω)254.37615000°
Mean Anomaly (M)321.57529000°
Mean Motion (n)0.3628585400°/day
Perihelion dist (q)0.84016390 AU
Aphelion dist (Q)3.05334470 AU
Orbital Period2.71623110 yr
Physical Parameters
H (abs. magnitude)25.30
G (slope)0.15
Orbit Solution
SourceMPC
Solution Date
RMS Residual0.250″
Uncertainty8
Orbit TypeApollo
MOID0.042871 AU
Observations Used20
Oppositions1
Arc Total
First Observation Used
Last Observation Used2009-09-30
Observations (32)
Date Type RA Dec Mag Band Observatory
2009-09-26 08:59:28 C 00 24 49.37 -04 38 21.5 r G96
2009-09-26 09:08:30 C 00 24 50.91 -04 38 59.0 r G96
2009-09-26 09:17:28 C 00 24 52.45 -04 39 36.0 r G96
2009-09-26 09:26:22 C 00 24 53.97 -04 40 13.1 r G96
2009-09-26 11:39:02 C 00 25 17.59 -04 49 26.9 r G96
2009-09-26 11:50:46 C 00 25 19.77 -04 50 15.1 r G96
2009-09-26 11:51:50 C 00 25 19.94 -04 50 19.9 r G96
2009-09-27 07:43:17 C 00 29 31.95 -06 19 40.6 r G96
2009-09-27 07:45:40 C 00 29 32.46 -06 19 52.3 r G96
2009-09-27 07:48:06 C 00 29 32.92 -06 20 03.5 r G96
2009-09-27 07:50:29 C 00 29 33.39 -06 20 15.2 r G96
2009-09-27 08:32:29 C 00 29 41.74 -06 23 36.0 r G96
2009-09-27 08:36:11 C 00 29 42.50 -06 23 54.7 r G96
2009-09-27 08:39:47 C 00 29 43.26 -06 24 11.4 r G96
2009-09-27 08:43:24 C 00 29 43.98 -06 24 28.8 r G96
2009-09-27 09:00:45 C 00 29 47.18 -06 25 53.7 o H01
2009-09-27 09:10:27 C 00 29 49.16 -06 26 40.4 o H01
2009-09-27 09:19:18 C 00 29 50.97 -06 27 22.7 o H01
2009-09-30 07:59:47 C 00 50 40.96 -13 42 34.2 c 926
2009-09-30 08:05:41 C 00 50 43.07 -13 43 19.7 c 926
2009-09-21 07:46:09 C 00 18 35.23 +02 27 19.2 o 809
2009-09-21 08:07:21 C 00 18 34.50 +02 27 14.1 o 809
2009-09-21 08:28:32 C 00 18 33.78 +02 27 09.5 o 809
2009-09-22 07:23:58 C 00 17 46.70 +02 22 06.2 o 809
2009-09-22 07:25:45 C 00 17 46.64 +02 22 05.9 o 809
2009-09-22 07:41:38 C 00 17 46.07 +02 22 02.4 o 809
2009-09-22 07:48:50 C 00 17 45.84 +02 22 00.7 o 809
2009-09-24 04:42:21 C 00 16 13.03 +02 12 00.7 o 809
2009-09-24 05:14:08 C 00 16 11.90 +02 11 54.1 o 809
2009-09-24 06:00:02 C 00 16 10.25 +02 11 43.4 o 809
2009-09-24 06:42:23 C 00 16 08.74 +02 11 34.1 o 809
2009-09-24 07:54:07 C 00 16 06.20 +02 11 17.8 o 809