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
2025-04-15 13:58:02 C 18 54 10.651 +17 11 06.61 V T08
2025-04-15 14:07:52 C 18 54 11.453 +17 12 02.41 V T08
2025-04-15 14:21:26 C 18 54 12.547 +17 13 18.59 V T08
2025-04-15 15:12:22 C 18 54 16.560 +17 18 04.03 V T08
2025-04-16 13:32:21 C 18 56 41.069 +19 19 04.73 V T05
2025-04-16 13:36:26 C 18 56 41.400 +19 19 26.47 V T05
2025-04-16 13:49:48 C 18 56 42.410 +19 20 37.28 V T05
2025-04-16 14:07:03 C 18 56 43.771 +19 22 09.77 V T05
2025-04-22 20:00:44 B 19 10 25.83 +30 23 19.2 X N94
2025-04-22 20:19:33 B 19 10 27.08 +30 24 30.1 X N94
2025-04-22 20:38:23 B 19 10 28.31 +30 25 40.2 X N94
2025-04-24 13:05:02 C 19 13 36.418 +32 47 05.93 V T05
2025-04-24 13:09:37 C 19 13 36.660 +32 47 21.44 V T05
2025-04-24 13:26:17 C 19 13 37.526 +32 48 18.29 V T05
2025-04-24 13:32:09 C 19 13 37.817 +32 48 38.41 V T05
2025-04-24 13:49:55 C 19 13 38.746 +32 49 38.06 V T05
2025-05-06 11:43:01 C 19 30 24.646 +44 27 58.61 V T08
2025-05-06 11:56:06 C 19 30 24.912 +44 28 24.74 V T08
2025-05-06 12:01:04 C 19 30 25.092 +44 28 33.17 V T08
2025-05-06 12:48:19 C 19 30 26.364 +44 30 02.95 V T08
2025-05-23 13:00:13 C 19 43 12.782 +53 09 16.26 X F52
2025-05-23 13:13:53 C 19 43 12.754 +53 09 29.12 X F52
2025-05-23 13:27:33 C 19 43 12.722 +53 09 41.75 X F52
2025-05-23 13:41:16 C 19 43 12.688 +53 09 54.41 X F52
2025-06-05 12:24:29 C 19 45 44.256 +56 50 50.37 X F51
2025-06-05 12:37:38 C 19 45 43.998 +56 50 57.90 X F51
2025-06-05 12:50:49 C 19 45 43.732 +56 51 05.23 X F51
2025-06-05 13:04:00 C 19 45 43.462 +56 51 12.48 X F51
2025-06-13 10:47:09 C 19 44 38.699 +58 17 19.46 V G96
2025-06-13 10:55:06 C 19 44 38.512 +58 17 20.94 V G96
2025-06-13 11:03:05 C 19 44 38.303 +58 17 24.36 V G96
2025-06-13 11:11:02 C 19 44 38.051 +58 17 27.42 V G96
2025-06-20 10:49:57 C 19 42 08.464 +59 07 31.80 V V00
2025-06-20 10:58:00 C 19 42 08.183 +59 07 33.17 V V00
2025-06-20 11:06:02 C 19 42 07.895 +59 07 34.61 V V00
2025-06-20 11:14:04 C 19 42 07.621 +59 07 35.98 V V00
2025-06-25 02:54:18 B 19 39 45.898 +59 26 35.34 V W16
2025-06-25 03:02:43 B 19 39 45.614 +59 26 37.50 V W16
2025-06-25 03:11:13 B 19 39 45.334 +59 26 39.84 V W16
2025-06-25 03:19:35 B 19 39 45.005 +59 26 41.35 V W16
2025-07-04 23:48:57 C 19 33 04.60 +59 25 48.0 V K88
2025-07-05 00:05:02 C 19 33 03.80 +59 25 46.1 V K88
2025-07-28 08:01:38 C 19 17 35.235 +54 57 42.38 X F52
2025-07-28 08:27:09 C 19 17 34.362 +54 57 20.58 X F52
2025-07-28 08:39:55 C 19 17 33.927 +54 57 09.53 X F52
2025-08-03 09:16:29 C 19 15 41.736 +52 30 47.75 X F51
2025-08-03 09:30:37 C 19 15 41.398 +52 30 31.41 X F51
2025-08-03 09:44:45 C 19 15 41.094 +52 30 15.07 X F51
2025-08-20 09:03:46 C 19 19 42.175 +42 10 07.10 V T05
2025-08-20 09:15:43 C 19 19 42.305 +42 09 44.42 V T05