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
2023-09-17 03:57:31 C 23 48 49.145 +03 39 11.70 V W68
2023-09-17 04:01:26 C 23 48 47.957 +03 38 52.87 V W68
2023-09-17 04:05:22 C 23 48 46.764 +03 38 34.37 V W68
2023-09-17 04:13:14 C 23 48 44.383 +03 37 57.36 V W68
2023-09-17 22:07:04 C 23 43 28.12 +02 12 40.7 X G02
2023-09-17 22:13:27 C 23 43 26.21 +02 12 10.2 X G02
2023-09-17 22:19:48 C 23 43 24.29 +02 11 40.5 X G02
2023-09-18 05:19:06 C 23 41 21.808 +01 38 44.99 V 703
2023-09-18 05:26:45 C 23 41 19.504 +01 38 08.84 V 703
2023-09-18 05:34:25 C 23 41 17.164 +01 37 32.95 V 703
2023-09-18 05:42:04 C 23 41 14.834 +01 36 56.30 V 703
2023-09-18 22:44:14 C 23 36 13.697 +00 17 01.36 V M22
2023-09-18 23:25:16 C 23 36 01.308 +00 13 47.21 V M22
2023-09-18 23:29:51 C 23 35 59.916 +00 13 25.72 V M22
2023-09-19 00:10:43 C 23 35 47.597 +00 10 12.40 V M22
2023-09-20 05:11:37 C 23 27 20.191 -02 06 18.97 V W68
2023-09-20 05:16:50 C 23 27 18.653 -02 06 43.27 V W68
2023-09-20 05:42:41 C 23 27 12.380 -02 09 22.43 V G96
2023-09-20 05:50:52 C 23 27 09.932 -02 10 00.66 V G96
2023-09-20 05:59:00 C 23 27 07.499 -02 10 38.75 V G96
2023-09-20 06:06:55 C 23 27 03.698 -02 10 37.42 V W68
2023-09-20 06:07:09 C 23 27 05.069 -02 11 16.80 V G96
2023-09-20 06:47:51 C 23 26 51.516 -02 13 48.58 V W68
2023-09-21 06:31:23 C 23 20 02.656 -04 04 30.94 V 703
2023-09-21 06:39:35 C 23 20 00.190 -04 05 08.95 V 703
2023-09-21 06:47:48 C 23 19 57.792 -04 05 46.46 V 703
2023-09-21 06:56:00 C 23 19 55.391 -04 06 24.08 V 703
2023-09-21 13:39:57 C 23 18 01.181 -04 36 43.67 V P07
2023-09-21 13:42:25 C 23 18 00.437 -04 36 55.26 V P07
2023-09-21 16:14:41 C 23 17 15.662 -04 48 30.89 V P07
2023-09-21 16:18:36 C 23 17 14.506 -04 48 48.35 V P07
2023-09-21 17:36:34 C 23 16 51.533 -04 54 44.39 V P07
2023-09-21 17:38:23 C 23 16 51.096 -04 54 53.78 V P07
2023-09-22 08:20:30 C 23 12 43.244 -06 01 51.27 X F51
2023-09-22 08:37:44 C 23 12 38.259 -06 03 08.51 X F51
2023-09-22 08:55:02 C 23 12 33.206 -06 04 26.19 X F51
2023-09-22 09:46:33 C 23 12 18.189 -06 08 17.67 X F51
2023-09-24 03:49:01 C 23 00 42.455 -09 12 13.57 V 703
2023-09-24 03:52:04 C 23 00 40.238 -09 11 52.30 V W68
2023-09-24 03:57:18 C 23 00 40.154 -09 12 49.39 V 703
2023-09-24 04:13:51 C 23 00 35.478 -09 14 00.20 V 703
2023-09-24 04:29:19 C 23 00 29.839 -09 14 30.95 V W68
2023-09-24 05:10:02 C 23 00 18.410 -09 17 23.64 V W68
2023-10-01 08:15:08 C 22 18 41.336 -19 38 13.55 X F52
2023-10-01 08:31:43 C 22 18 37.627 -19 39 03.21 X F52
2023-10-01 08:48:21 C 22 18 33.942 -19 39 52.44 X F52
2023-10-01 09:04:56 C 22 18 30.295 -19 40 41.06 X F52
2023-10-05 03:18:38 C 22 00 51.721 -23 39 42.59 V 703
2023-10-05 03:27:03 C 22 00 50.144 -23 40 02.82 V 703
2023-10-05 03:35:28 C 22 00 48.647 -23 40 21.90 V 703