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
2016-09-06 09:01:35 C 02 01 02.08 +38 22 28.4 q G96
2016-09-25 09:19:08 C 02 12 22.44 +25 50 30.7 q 703
2016-09-25 09:45:12 C 02 12 22.08 +25 49 23.4 q 703
2016-09-28 00:34:55 C 02 11 57.13 +23 05 10.0 V 160
2016-09-28 00:38:18 C 02 11 57.05 +23 05 00.5 V 160
2016-09-28 00:41:42 C 02 11 56.98 +23 04 51.1 V 160
2016-09-29 00:47:21 C 02 11 39.28 +21 57 36.4 q 160
2016-09-29 00:50:41 C 02 11 39.20 +21 57 27.4 q 160
2016-09-29 00:54:03 C 02 11 39.09 +21 57 17.6 q 160
2016-09-29 09:11:09 C 02 11 31.03 +21 33 43.8 q H45
2016-09-29 09:12:58 C 02 11 30.99 +21 33 38.3 q H45
2016-09-29 09:14:30 C 02 11 30.96 +21 33 33.7 q H45
2016-09-29 09:16:03 C 02 11 30.90 +21 33 29.2 q H45
2016-09-29 09:17:40 C 02 11 30.87 +21 33 24.7 q H45
2016-09-29 09:19:15 C 02 11 30.84 +21 33 20.1 q H45
2016-09-29 20:15:54 C 02 11 24.12 +21 01 22.5 S 151
2016-09-29 20:20:42 C 02 11 24.03 +21 01 07.8 S 151
2016-09-29 20:23:06 C 02 11 23.98 +21 01 00.9 S 151
2016-09-29 20:25:30 C 02 11 23.93 +21 00 53.9 S 151
2016-09-30 08:36:31 C 02 11 08.85 +20 25 20.4 q H45
2016-09-30 08:38:07 C 02 11 08.80 +20 25 15.2 q H45
2016-09-30 08:39:13 C 02 11 08.77 +20 25 12.0 q H45
2016-09-30 08:40:27 C 02 11 08.73 +20 25 08.4 q H45
2016-09-30 08:41:46 C 02 11 08.68 +20 25 04.5 q H45
2016-09-30 08:43:06 C 02 11 08.66 +20 25 00.6 q H45
2016-09-30 08:44:21 C 02 11 08.59 +20 24 56.8 q H45
2016-09-30 08:45:48 C 02 11 08.56 +20 24 52.2 q H45
2016-10-03 23:21:06 C 02 09 14.02 +15 53 50.7 V 160
2016-10-03 23:21:06 C 02 09 14.03 +15 53 50.8 q 160
2016-10-03 23:23:54 C 02 09 13.94 +15 53 41.9 V 160
2016-10-03 23:25:54 C 02 09 13.89 +15 53 35.6 q 160
2016-10-03 23:26:43 C 02 09 13.74 +15 53 32.3 V 160
2016-10-03 23:26:43 C 02 09 13.84 +15 53 32.9 q 160
2016-10-04 09:16:30 C 02 08 55.53 +15 21 14.1 q H45
2016-10-04 09:17:45 C 02 08 55.48 +15 21 10.2 q H45
2016-10-04 09:18:54 C 02 08 55.45 +15 21 05.9 q H45
2016-10-04 09:20:07 C 02 08 55.40 +15 21 02.0 q H45
2016-10-04 09:21:26 C 02 08 55.36 +15 20 57.7 q H45
2016-10-04 09:22:37 C 02 08 55.31 +15 20 53.6 q H45
2016-10-04 09:23:36 C 02 08 55.27 +15 20 50.5 q H45
2016-10-04 09:24:48 C 02 08 55.22 +15 20 46.5 q H45
2016-10-05 01:31:20 C 02 08 28.08 +14 26 55.0 q 160
2016-10-05 01:34:18 C 02 08 28.01 +14 26 44.5 q 160
2016-10-05 01:37:17 C 02 08 27.93 +14 26 34.3 q 160
2016-10-08 08:33:47 C 02 05 50.45 +09 53 09.3 q H45
2016-10-08 08:35:15 C 02 05 50.38 +09 53 04.2 q H45
2016-10-08 08:36:18 C 02 05 50.33 +09 53 00.3 q H45
2016-10-08 08:37:23 C 02 05 50.29 +09 52 56.5 q H45
2016-10-08 08:38:27 C 02 05 50.24 +09 52 53.0 q H45
2016-10-08 08:39:34 C 02 05 50.18 +09 52 48.6 q H45