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
1998-11-24 18:24:08 C 00 09 11.82 +01 08 45.4 557
1998-11-24 18:25:58 C 00 09 11.84 +01 08 41.6 557
1998-11-26 10:01:12 C 00 10 40.81 +00 00 49.6 z 402
1998-11-26 10:03:12 C 00 10 40.91 +00 00 46.1 z 402
1998-11-26 10:07:13 C 00 10 41.07 +00 00 39.7 z 402
2000-07-05 01:39:20 C 21 56 38.91 +40 34 52.5 z 493
2000-07-05 01:45:22 C 21 56 38.83 +40 34 55.7 z 493
2000-07-06 06:37:34 C 21 56 19.39 +40 53 42.9 695
2000-07-06 07:03:51 C 21 56 19.09 +40 53 58.8 695
2000-07-07 07:57:19 C 21 55 59.49 +41 09 54.5 695
2000-07-07 08:00:42 C 21 55 59.43 +41 09 57.0 695
2000-07-07 08:03:45 C 21 55 59.34 +41 09 58.5 695
2004-06-18 23:10:26 C 18 00 38.72 +26 47 02.7 o 461
2004-06-22 23:25:23 C 17 54 48.25 +27 18 36.0 o 461
2004-06-22 23:31:52 C 17 54 47.85 +27 18 37.4 o 461
2004-06-22 23:38:23 C 17 54 47.44 +27 18 39.3 o 461
2006-05-01 10:15:56 C 16 49 34.47 -00 08 48.8 c 691
2006-05-01 10:40:56 C 16 49 33.21 -00 08 16.0 c 691
2006-05-01 11:02:28 C 16 49 32.13 -00 07 47.4 c 691
2006-05-06 09:25:24 C 16 43 25.68 +02 26 01.3 c 691
2006-05-06 09:50:31 C 16 43 24.28 +02 26 33.3 c 691
2006-05-06 10:15:31 C 16 43 22.83 +02 27 05.3 c 691
2006-07-20 22:04:34 C 15 36 59.07 +15 11 09.8 r 941
2006-07-20 22:07:14 C 15 36 59.09 +15 11 09.3 r 941
2006-07-20 22:20:31 C 15 36 59.23 +15 11 06.3 r 941
2006-07-20 22:23:11 C 15 36 59.25 +15 11 05.7 r 941
2007-09-13 11:25:03 C 06 12 51.62 +16 07 43.3 o 291
2007-09-13 11:32:36 C 06 12 52.52 +16 07 34.8 o 291
2008-03-30 12:58:20 C 13 06 57.16 -46 28 30.8 r E18
2008-03-30 14:20:17 C 13 06 52.99 -46 25 58.8 r E18
2008-03-31 13:47:15 C 13 05 47.31 -45 41 35.1 r E18
2008-04-26 10:23:51 C 12 45 47.59 -21 56 54.2 r E19
2008-04-26 10:28:57 C 12 45 47.48 -21 56 44.1 r E19
2008-04-26 10:34:04 C 12 45 47.42 -21 56 32.6 r E19
2008-05-02 09:44:29 C 12 44 45.55 -16 43 56.2 r E17
2008-05-02 09:54:43 C 12 44 45.47 -16 43 35.3 r E17
2008-05-02 10:04:55 C 12 44 45.42 -16 43 13.0 r E17
2009-09-15 08:08:01 C 02 32 35.80 +43 18 23.6 r G96
2009-09-15 08:17:00 C 02 32 36.06 +43 18 20.9 r G96
2009-09-15 08:25:58 C 02 32 36.27 +43 18 18.2 r G96
2009-09-15 08:34:41 C 02 32 36.45 +43 18 15.5 r G96
2009-10-14 02:05:28 C 02 31 33.40 +32 42 24.5 w 160
2009-10-14 02:09:25 C 02 31 33.24 +32 42 17.3 w 160
2009-10-14 02:13:09 C 02 31 33.14 +32 42 10.7 w 160
2009-10-17 01:22:41 C 02 29 11.99 +30 29 14.1 w J47
2009-10-17 01:33:08 C 02 29 11.53 +30 28 53.4 w J47
2009-10-17 01:41:12 C 02 29 11.21 +30 28 37.5 w J47
2009-10-19 20:04:59 C 02 26 41.33 +28 09 29.4 r 240
2009-10-19 20:11:04 C 02 26 41.08 +28 09 16.2 r 240
2009-10-19 20:16:22 C 02 26 40.86 +28 09 04.8 r 240