369986 (1998 SO)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6985961685 ± 2.00e+00
Semi-major axis (a)0.7314470169 AU ± 3.00e+00
Inclination (i)30.34538022° ± 4.00e+00
Long. of Asc. Node (Ω)176.13671449° ± 5.00e+00
Arg. of Perihelion (ω)359.86491428° ± 6.00e+00
Mean Anomaly (M)347.53985158° ± 4.39e-05
Mean Motion (n)1.5755709566°/day ± 9.69e+00
Perihelion dist (q)0.22046093 AU ± 1.72e+00
Aphelion dist (Q)1.24243310 AU ± 5.30e+00
Orbital Period0.62556769 yr ± 3.85e+00
NGA Modelr2
A22.46814869e-06 AU/d²
Physical Parameters
H (abs. magnitude)20.44
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-04-26
RMS Residual0.422″
Uncertainty0
Orbit TypeAten
MOID0.197798 AU
Observations Used302
Oppositions16
Arc Total1998-2025
First Observation Used1998-09-16
Last Observation Used2025-08-29
Observations (307)
Date Type RA Dec Mag Band Observatory
1998-09-23 22:54:27 C 23 59 00.34 -11 47 38.0 z 587
1998-09-23 23:50:11 C 23 58 42.97 -11 52 03.6 046
1998-09-23 23:51:27 C 23 58 42.48 -11 52 11.6 046
1998-09-23 23:54:24 C 23 58 41.59 -11 52 24.8 046
1998-09-23 23:56:53 C 23 58 40.83 -11 52 35.3 046
1998-09-24 22:56:28 C 23 51 43.47 -13 41 07.4 046
1998-09-24 22:57:56 C 23 51 42.99 -13 41 15.3 046
1998-09-24 22:59:32 C 23 51 42.53 -13 41 22.8 046
1998-09-24 23:00:36 C 23 51 42.19 -13 41 27.5 046
1998-09-27 11:39:46 C 23 33 16.00 -18 14 57.8 422
1998-09-27 11:40:51 C 23 33 15.57 -18 15 02.1 422
1998-09-27 11:41:53 C 23 33 15.32 -18 15 08.0 422
1998-09-27 11:42:55 C 23 33 14.94 -18 15 11.8 422
2003-09-17 15:56:03 C 00 34 38.26 +01 00 38.1 r 413
2003-09-17 15:58:13 C 00 34 37.65 +01 00 28.0 r 413
2003-09-17 16:00:22 C 00 34 37.04 +01 00 18.2 r 413
2003-09-18 06:58:28 C 00 30 31.63 -00 09 18.9 18.8 c 704
2003-09-18 07:15:37 C 00 30 26.76 -00 10 38.7 18.7 c 704
2003-09-18 07:32:45 C 00 30 21.84 -00 11 58.7 18.8 c 704
2003-09-18 07:50:13 C 00 30 16.84 -00 13 19.3 19.1 c 704
2003-09-18 08:07:21 C 00 30 11.98 -00 14 38.8 18.9 c 704
2003-09-18 09:44:25 C 00 29 46.00 -00 22 01.2 19.1 c 608
2003-09-18 10:00:15 C 00 29 41.45 -00 23 14.7 19.0 c 608
2003-09-18 10:15:42 C 00 29 37.02 -00 24 26.9 19.2 c 608
2003-09-18 13:31:28 C 00 28 42.838 -00 39 08.68 r 413
2003-09-18 13:33:38 C 00 28 42.219 -00 39 18.75 r 413
2003-09-18 13:35:48 C 00 28 41.597 -00 39 28.74 r 413
2003-09-19 00:10:46 C 00 25 43.23 -01 29 46.9 c 204
2003-09-21 01:44:33 C 00 11 29.52 -05 25 27.8 c 204
2003-09-21 01:49:41 C 00 11 27.99 -05 25 52.5 c 204
2003-09-27 06:25:12 C 23 27 08.76 -16 53 40.2 o 699
2003-09-27 06:46:40 C 23 27 02.15 -16 55 12.6 o 699
2003-09-27 07:08:10 C 23 26 55.53 -16 56 44.6 o 699
2003-09-27 07:29:43 C 23 26 48.93 -16 58 16.5 o 699
2005-08-31 11:10:01 C 04 28 42.52 +08 46 13.3 d 291
2005-08-31 11:32:34 C 04 28 45.64 +08 45 43.4 d 291
2005-08-31 11:39:06 C 04 28 46.50 +08 45 34.7 d 291
2005-09-09 10:44:17 C 05 02 54.73 +02 49 23.0 d 291
2005-09-09 10:52:51 C 05 02 56.27 +02 49 05.6 d 291
2005-09-24 11:10:51 C 06 30 35.36 -14 04 47.6 d 291
2005-09-24 11:16:35 C 06 30 37.16 -14 05 09.0 d 291
2005-09-24 11:22:23 C 06 30 39.01 -14 05 28.5 d 291
2006-09-03 03:17:03 C 16 32 54.87 +39 35 27.7 o 673
2006-09-03 03:45:00 C 16 33 08.42 +39 32 51.6 o 673
2006-09-03 03:56:59 C 16 33 14.26 +39 31 44.9 o 673
2006-09-03 04:05:59 C 16 33 18.63 +39 30 54.6 o 673
2008-08-28 09:09:06 C 01 58 37.01 +25 26 58.2 o H55
2008-08-28 09:18:14 C 01 58 35.85 +25 26 43.2 o H55
2008-08-28 09:27:38 C 01 58 34.69 +25 26 27.6 o H55
2008-09-05 06:41:49 C 01 30 16.36 +18 40 46.5 19.7 c 704