474163 (1999 SO5)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.0645067428 ± 2.00e+00
Semi-major axis (a)1.0850682702 AU ± 3.00e+00
Inclination (i)13.36941012° ± 4.00e+00
Long. of Asc. Node (Ω)196.00875390° ± 5.00e+00
Arg. of Perihelion (ω)359.87496391° ± 6.00e+00
Mean Anomaly (M)203.32652395° ± 1.17e-05
Mean Motion (n)0.8720204709°/day ± 3.62e+00
Perihelion dist (q)1.01507405 AU ± 3.55e+00
Aphelion dist (Q)1.15506249 AU ± 3.86e+00
Orbital Period1.13027884 yr ± 4.69e+00
NGA Modelr2
A2-5.67459054e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.81
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-27
RMS Residual0.374″
Uncertainty0
Orbit TypeApollo
MOID0.014222 AU
Observations Used341
Oppositions3
Arc Total1999-2025
First Observation Used1999-09-29
Last Observation Used2025-10-06
Observations (358)
Date Type RA Dec Mag Band Observatory
2016-10-08 08:40:38 C 02 05 50.15 +09 52 44.9 q H45
2016-10-08 08:41:47 C 02 05 50.08 +09 52 41.1 q H45
2016-10-09 11:06:29 C 02 04 52.01 +08 18 29.6 L T05
2016-10-09 11:29:50 C 02 04 50.77 +08 17 05.3 L T05
2016-10-09 11:45:20 C 02 04 49.94 +08 16 09.7 L T05
2016-10-09 12:12:21 C 02 04 48.54 +08 14 32.7 L T05
2016-10-09 12:25:23 C 02 04 47.82 +08 13 45.4 L T05
2016-10-13 07:32:06 C 02 01 03.40 +02 42 42.4 q 703
2016-10-13 07:40:44 C 02 01 02.99 +02 42 11.0 q 703
2016-10-13 07:49:23 C 02 01 02.45 +02 41 39.4 q 703
2016-10-13 07:58:02 C 02 01 01.89 +02 41 07.6 q 703
2016-10-19 08:31:22 C 01 54 22.02 -05 51 55.3 q G96
2016-10-19 08:59:18 C 01 54 20.35 -05 53 29.8 q G96
2016-10-19 09:22:40 C 01 54 18.94 -05 54 49.1 q G96
2016-10-19 09:33:42 C 01 54 18.29 -05 55 26.8 q G96
2016-10-19 11:30:41 C 01 54 13.40 -06 01 54.8 L T05
2016-10-19 12:09:23 C 01 54 11.00 -06 04 05.1 L T05
2016-10-19 12:35:53 C 01 54 09.50 -06 05 34.0 L T05
2016-10-19 13:00:44 C 01 54 07.97 -06 06 56.7 L T05
2016-10-20 07:37:12 C 01 53 16.89 -07 09 35.7 q 703
2016-10-20 07:45:52 C 01 53 16.39 -07 10 04.3 q 703
2016-10-20 07:54:32 C 01 53 15.83 -07 10 33.9 q 703
2016-10-20 08:03:11 C 01 53 15.33 -07 11 02.5 q 703
2016-10-22 06:22:06 C 01 51 03.95 -09 41 27.9 q H45
2016-10-22 06:23:08 C 01 51 03.87 -09 41 31.5 q H45
2016-10-22 06:24:16 C 01 51 03.85 -09 41 34.7 q H45
2016-10-22 06:25:52 C 01 51 03.75 -09 41 40.6 q H45
2016-10-22 06:26:46 C 01 51 03.66 -09 41 42.8 q H45
2016-10-24 07:36:37 C 01 48 45.81 -12 12 32.3 q 703
2016-10-24 07:45:15 C 01 48 45.26 -12 12 58.0 q 703
2016-10-24 07:53:55 C 01 48 44.73 -12 13 23.2 q 703
2016-10-24 08:02:34 C 01 48 44.24 -12 13 49.7 q 703
2016-10-25 06:19:01 C 01 47 43.39 -13 18 53.4 q H45
2016-10-25 06:20:19 C 01 47 43.32 -13 18 57.2 q H45
2016-10-25 06:21:37 C 01 47 43.25 -13 19 01.0 q H45
2016-10-25 06:22:46 C 01 47 43.19 -13 19 04.0 q H45
2016-10-25 06:24:04 C 01 47 43.10 -13 19 08.0 q H45
2016-10-25 06:25:29 C 01 47 43.02 -13 19 12.2 q H45
2016-10-26 10:02:09 C 01 46 28.95 -14 36 41.0 L T05
2016-10-26 10:20:40 C 01 46 27.84 -14 37 31.5 L T05
2016-10-26 10:39:57 C 01 46 26.73 -14 38 25.1 L T05
2016-10-26 10:59:58 C 01 46 25.58 -14 39 19.4 L T05
2016-10-30 19:49:53 C 01 42 06.02 -19 01 32.7 o K95
2016-10-30 20:12:35 C 01 42 04.98 -19 02 23.7 o K95
2016-10-30 20:27:24 C 01 42 04.21 -19 02 59.1 o K95
2016-11-01 20:00:44 C 01 40 19.50 -20 45 32.0 o K95
2016-11-01 20:12:09 C 01 40 19.04 -20 45 56.6 o K95
2016-11-01 20:23:13 C 01 40 18.51 -20 46 19.4 o K95
2016-11-03 09:40:51 C 01 39 02.50 -22 00 11.9 L T05
2016-11-03 09:58:39 C 01 39 01.62 -22 00 46.5 L T05