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
2008-04-06 02:09:11 C 07 29 50.95 +09 20 06.3 r H45
2008-04-06 02:10:52 C 07 29 51.20 +09 20 16.4 r H45
2008-04-06 02:13:58 C 07 29 51.76 +09 20 33.5 r H45
2008-04-06 02:19:22 C 07 29 52.68 +09 21 04.0 r H45
2008-04-06 02:33:49 C 07 29 55.12 +09 22 27.4 r H45
2008-04-07 19:42:21 C 07 37 56.49 +13 18 21.2 o 204
2008-04-07 19:51:16 C 07 37 58.08 +13 19 12.8 o 204
2008-04-11 03:27:13 C 07 54 49.35 +20 58 32.6 r G96
2008-04-11 03:35:15 C 07 54 50.97 +20 59 18.2 r G96
2008-04-11 03:43:20 C 07 54 52.56 +21 00 04.1 r G96
2008-04-11 03:51:28 C 07 54 54.21 +21 00 50.0 r G96
2008-05-03 04:26:40 C 10 30 35.46 +55 41 44.1 r H45
2008-05-03 04:28:56 C 10 30 36.28 +55 41 47.5 r H45
2008-05-03 04:30:58 C 10 30 36.79 +55 41 51.2 r H45
2008-05-03 04:33:12 C 10 30 37.66 +55 41 55.0 r H45
2008-05-03 04:35:16 C 10 30 38.29 +55 41 58.6 r H45
2008-07-15 02:32:28 C 15 57 48.64 +45 56 51.0 o H55
2008-07-15 02:40:18 C 15 57 49.33 +45 56 41.9 o H55
2008-07-15 02:48:20 C 15 57 50.02 +45 56 32.7 o H55
2008-07-15 02:57:34 C 15 57 50.82 +45 56 22.3 o H55
2008-08-14 02:18:07 C 17 07 59.38 +29 10 29.4 o H55
2008-08-14 02:27:05 C 17 08 00.24 +29 10 14.4 o H55
2008-08-14 02:35:44 C 17 08 01.08 +29 10 00.0 o H55
2015-10-16 11:31:34 C 08 02 31.83 +05 09 14.0 o 291
2015-10-16 11:39:56 C 08 02 32.97 +05 09 04.5 o 291
2015-10-16 11:48:20 C 08 02 34.05 +05 08 55.1 o 291
2016-06-17 10:10:26 C 23 04 11.98 +31 07 29.2 o 695
2016-06-17 10:12:46 C 23 04 12.20 +31 07 31.3 o 695
2016-06-17 10:15:29 C 23 04 12.47 +31 07 33.8 o 695
2016-06-17 10:18:10 C 23 04 12.74 +31 07 36.3 o 695
2016-06-17 10:21:12 C 23 04 13.04 +31 07 39.0 o 695
2016-06-17 10:23:56 C 23 04 13.32 +31 07 41.5 o 695
2016-06-17 10:26:37 C 23 04 13.58 +31 07 43.9 o 695
2016-08-18 11:17:48 C 01 30 05.614 +42 14 12.55 L F51
2016-08-18 11:34:58 C 01 30 06.904 +42 14 10.65 L F51
2016-08-18 12:09:25 C 01 30 09.454 +42 14 06.50 L F51
2016-08-22 06:59:40 C 01 37 27.85 +41 54 06.2 u H21
2016-08-22 07:06:06 C 01 37 28.30 +41 54 05.0 u H21
2016-08-22 07:15:10 C 01 37 28.93 +41 54 02.9 u H21
2016-08-23 09:16:15 C 01 39 28.55 +41 46 20.0 u H21
2016-08-23 09:22:28 C 01 39 28.96 +41 46 18.2 u H21
2016-08-23 09:31:41 C 01 39 29.59 +41 46 15.2 u H21
2016-08-23 21:18:14 C 01 40 25.19 +41 42 09.1 S 151
2016-08-23 21:24:45 C 01 40 25.65 +41 42 07.9 S 151
2016-08-23 21:28:01 C 01 40 25.93 +41 42 05.7 S 151
2016-08-24 20:54:56 C 01 42 11.66 +41 33 50.0 S 151
2016-08-24 21:07:28 C 01 42 12.53 +41 33 46.1 S 151
2016-08-24 21:20:00 C 01 42 13.42 +41 33 42.2 S 151
2016-09-06 08:40:24 C 02 01 01.23 +38 22 47.9 q G96
2016-09-06 08:50:59 C 02 01 01.65 +38 22 39.1 q G96