IAA RAS IAA Minor Planet Database

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
2020-12-01 09:34:09 S 04 42 55.656 -38 53 38.58 – V C57
2020-12-01 09:34:09 s 1 -195923.47 8 +117109.37 2070.0 – C57
2020-12-01 09:44:09 S 04 42 55.591 -38 54 01.19 – V C57
2020-12-01 09:44:09 s 1 -195787.82 3 +116299.65 7030.0 – C57
2020-12-01 10:04:09 S 04 42 54.281 -38 54 38.88 – V C57
2020-12-01 10:04:09 s 1 -195509.42 8 +114676.02 9080.0 – C57
2020-12-01 11:04:09 S 04 42 52.171 -38 56 50.82 – V C57
2020-12-01 11:04:09 s 1 -194616.48 8 +109771.63 1230.0 – C57
2020-12-01 11:14:09 S 04 42 52.598 -38 57 10.62 – V C57
2020-12-01 11:14:09 s 1 -194459.08 1 +108949.35 2080.0 – C57
2020-12-01 11:34:09 S 04 42 51.204 -38 57 52.85 – V C57
2020-12-01 11:34:09 s 1 -194136.76 8 +107300.60 5500.0 – C57
2020-12-01 11:54:09 S 04 42 50.525 -38 58 32.34 – V C57
2020-12-01 11:54:09 s 1 -193804.34 9 +105646.28 7750.0 – C57
2020-12-01 12:44:09 S 04 42 49.210 -39 00 18.29 – V C57
2020-12-01 12:44:09 s 1 -192928.22 0 +101486.12 3650.0 – C57
2020-12-01 12:54:09 S 04 42 48.353 -39 00 39.31 – V C57
2020-12-01 12:54:09 s 1 -192745.13 0 +100649.92 6160.0 – C57
2020-12-01 13:34:09 S 04 42 47.597 -39 02 01.21 – V C57
2020-12-01 13:34:09 s 1 -191985.98 1 +97291.269 6740.0 – C57
2020-12-01 14:04:09 S 04 42 46.663 -39 03 02.77 – V C57
2020-12-01 14:04:09 s 1 -191387.98 6 +94757.754 710.0 – C57
2020-12-01 14:24:09 S 04 42 46.325 -39 03 55.58 – V C57
2020-12-01 14:24:09 s 1 -190975.41 2 +93061.850 4760.0 – C57
2020-12-01 14:44:09 S 04 42 45.190 -39 04 36.98 – V C57
2020-12-01 14:44:09 s 1 -190551.53 4 +91360.446 6420.0 – C57
2020-12-01 15:24:09 S 04 42 44.143 -39 05 54.02 – V C57
2020-12-01 15:24:09 s 1 -189669.24 6 +87941.198 1930.0 – C57
2020-12-01 15:34:09 S 04 42 43.711 -39 06 14.76 – V C57
2020-12-01 15:34:09 s 1 -189441.36 4 +87082.973 5310.0 – C57
2020-12-01 15:54:09 S 04 42 42.965 -39 06 58.03 – V C57
2020-12-01 15:54:09 s 1 -188976.68 8 +85362.442 2340.0 – C57
2020-12-01 16:14:09 S 04 42 42.240 -39 07 40.87 – V C57
2020-12-01 16:14:09 s 1 -188499.98 9 +83636.488 6250.0 – C57
2020-12-01 16:24:09 S 04 42 42.295 -39 08 03.16 – V C57
2020-12-01 16:24:09 s 1 -188257.07 9 +82771.484 3240.0 – C57
2020-12-01 16:44:09 S 04 42 41.916 -39 08 47.22 – V C57
2020-12-01 16:44:09 s 1 -187762.03 0 +81037.435 7150.0 – C57
2020-12-01 17:04:09 S 04 42 40.754 -39 09 22.46 – V C57
2020-12-01 17:04:09 s 1 -187254.53 3 +79298.019 7510.0 – C57
2020-12-01 17:44:09 S 04 42 39.550 -39 10 52.90 – V C57
2020-12-01 17:44:09 s 1 -186201.47 9 +75803.191 6850.0 – C57
2020-12-01 17:54:09 S 04 42 39.367 -39 11 11.00 – V C57
2020-12-01 17:54:09 s 1 -185930.15 5 +74926.172 2930.0 – C57
2020-12-01 18:14:09 S 04 42 38.880 -39 11 55.14 – V C57
2020-12-01 18:14:09 s 1 -185377.66 9 +73168.188 4430.0 – C57
2020-12-01 19:14:09 S 04 42 36.650 -39 13 51.67 – V C57
2020-12-01 19:14:09 s 1 -183639.79 2 +67862.971 1840.0 – C57
2020-12-01 19:24:09 S 04 42 36.398 -39 14 22.81 – V C57
2020-12-01 19:24:09 s 1 -183338.16 0 +66974.258 5120.0 – C57