185716 (1998 SF35)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.2738507942 ± 5.18e-08
Semi-major axis (a)1.6852446114 AU ± 3.92e-09
Inclination (i)35.18860242° ± 1.12e-05
Long. of Asc. Node (Ω)218.57140041° ± 7.09e-06
Arg. of Perihelion (ω)253.75059964° ± 1.90e-05
Mean Anomaly (M)75.35910880° ± 1.20e-05
Mean Motion (n)0.4505239212°/day ± 1.57e-09
Perihelion dist (q)1.22373904 AU ± 8.74e-08
Aphelion dist (Q)2.14675019 AU ± 8.75e-08
Orbital Period2.18773352 yr ± 7.63e-09
Physical Parameters
H (abs. magnitude)17.95
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual1.147″
Uncertainty0
Orbit TypeAmor
MOID0.412399 AU
Observations Used1552
Oppositions13
Arc Total1998-2022
First Observation Used1998-09-24
Last Observation Used2022-12-20
Observations (2559)
Date Type RA Dec Mag Band Observatory
1998-09-24 06:55:10 C 00 39 20.07 +45 57 29.9 19.8 a 704
1998-09-24 07:27:07 C 00 39 18.74 +45 57 07.2 19.9 a 704
1998-09-24 07:59:06 C 00 39 17.06 +45 56 45.6 20.1 a 704
1998-09-24 08:30:59 C 00 39 15.03 +45 56 22.6 20.1 a 704
1998-09-24 22:13:47 C 00 38 38.86 +45 46 42.3 046
1998-09-24 22:16:33 C 00 38 38.73 +45 46 40.8 046
1998-09-24 22:21:49 C 00 38 38.50 +45 46 36.9 046
1998-09-24 22:25:57 C 00 38 38.29 +45 46 34.1 046
1998-09-25 01:59:28 C 00 38 28.02 +45 44 00.1 557
1998-09-25 02:02:49 C 00 38 27.94 +45 43 57.9 557
1998-09-25 02:06:11 C 00 38 27.74 +45 43 56.6 557
1998-09-25 22:32:04 C 00 37 32.08 +45 28 46.5 046
1998-09-25 22:34:24 C 00 37 31.87 +45 28 44.9 046
1998-09-25 22:43:47 C 00 37 31.44 +45 28 37.1 557
1998-09-25 22:47:09 C 00 37 31.22 +45 28 34.3 557
1998-09-25 22:53:50 C 00 37 30.92 +45 28 29.7 557
1998-09-27 10:41:45 C 00 35 49.33 +44 59 52.4 658
1998-09-27 10:49:16 C 00 35 49.00 +44 59 45.6 658
1998-09-27 10:53:55 C 00 35 48.71 +44 59 41.4 658
1998-09-27 20:32:40 C 00 35 21.99 +44 51 31.8 557
1998-09-27 20:50:52 C 00 35 20.99 +44 51 16.4 557
1998-09-28 12:02:32 C 00 34 35.96 +44 38 00.0 658
1998-09-28 12:16:05 C 00 34 35.29 +44 37 47.5 658
1998-09-28 12:20:30 C 00 34 35.08 +44 37 43.6 658
1998-09-30 03:18:18 C 00 32 40.21 +44 01 28.9 046
1998-09-30 03:20:24 C 00 32 40.15 +44 01 27.6 046
1998-09-30 03:23:32 C 00 32 39.99 +44 01 23.7 046
1998-10-02 14:42:25 C 00 29 41.92 +43 00 02.6 z 402
1998-10-02 14:44:26 C 00 29 41.77 +42 59 59.8 z 402
1998-10-02 14:46:26 C 00 29 41.80 +42 59 56.5 z 402
1998-10-17 19:57:23 C 00 12 04.30 +33 46 00.0 557
1998-10-17 20:00:43 C 00 12 04.16 +33 45 53.3 557
1998-10-19 08:51:55 C 00 10 34.45 +32 33 52.1 658
1998-10-19 08:58:00 C 00 10 34.18 +32 33 40.5 658
1998-10-19 09:01:52 C 00 10 34.03 +32 33 32.9 658
1998-10-23 20:50:33 C 00 06 46.91 +28 49 09.3 118
1998-10-23 21:02:02 C 00 06 46.49 +28 48 44.4 118
1998-10-25 12:52:25 C 00 05 36.33 +27 21 28.8 z 402
1998-10-25 12:54:25 C 00 05 36.25 +27 21 24.6 z 402
1998-10-25 12:56:26 C 00 05 36.15 +27 21 20.2 z 402
1998-10-28 20:25:41 C 00 03 40.78 +24 21 56.9 z 587
1998-10-28 20:31:42 C 00 03 40.62 +24 21 42.1 z 587
1998-10-29 05:02:52 C 00 03 30.15 +24 02 14.9 c 699
1998-10-29 05:17:12 C 00 03 29.83 +24 01 40.7 c 699
1998-10-29 05:30:29 C 00 03 29.53 +24 01 11.3 c 699
1998-11-07 21:19:37 C 00 01 21.54 +15 02 49.7 118
1998-11-07 21:23:31 C 00 01 21.50 +15 02 40.2 118
1998-11-10 11:47:44 C 00 01 38.41 +12 40 57.8 360
1998-11-10 11:51:00 C 00 01 38.40 +12 40 50.0 360
1998-11-10 11:54:15 C 00 01 38.42 +12 40 42.9 360