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
2020-11-24 00:34:10 s 1 +77281.725 0 +372391.71 2550.0 – C57
2020-11-24 00:54:10 S 04 50 51.036 -31 25 00.05 – V C57
2020-11-24 00:54:10 s 1 +76611.117 0 +372889.65 9760.0 – C57
2020-11-24 01:14:10 S 04 50 49.459 -31 26 02.98 – V C57
2020-11-24 01:14:10 s 1 +75939.708 0 +373383.72 6680.0 – C57
2020-11-24 01:24:10 S 04 50 48.571 -31 26 31.85 – V C57
2020-11-24 01:24:10 s 1 +75603.706 0 +373629.31 5030.0 – C57
2020-11-24 01:34:10 S 04 50 48.768 -31 26 57.08 – V C57
2020-11-24 01:34:10 s 1 +75267.508 0 +373873.93 3310.0 – C57
2020-11-24 02:04:10 S 04 50 47.100 -31 28 19.74 – V C57
2020-11-24 02:04:10 s 1 +74257.744 0 +374602.00 7750.0 – C57
2020-11-24 02:14:10 S 04 50 47.047 -31 28 52.68 – V C57
2020-11-24 02:14:10 s 1 +73920.770 0 +374842.76 5770.0 – C57
2020-11-24 02:44:10 S 04 50 45.703 -31 30 15.80 – V C57
2020-11-24 02:44:10 s 1 +72908.708 0 +375559.29 9420.0 – C57
2020-11-24 02:54:10 S 04 50 44.808 -31 30 47.95 – V C57
2020-11-24 02:54:10 s 1 +72570.977 0 +375796.21 7180.0 – C57
2020-11-24 03:04:10 S 04 50 44.074 -31 31 14.09 – V C57
2020-11-24 03:04:10 s 1 +72233.059 0 +376032.17 4880.0 – C57
2020-11-24 03:24:10 S 04 50 43.500 -31 32 21.23 – V C57
2020-11-24 03:24:10 s 1 +71556.669 0 +376501.22 9910.0 – C57
2020-11-24 03:34:10 S 04 50 42.938 -31 32 40.16 – V C57
2020-11-24 03:34:10 s 1 +71218.199 0 +376734.30 2390.0 – C57
2020-11-24 03:44:10 S 04 50 43.212 -31 33 18.04 – V C57
2020-11-24 03:44:10 s 1 +70879.547 0 +376966.43 4930.0 – C57
2020-11-24 04:44:10 S 04 50 40.193 -31 36 09.18 – V C57
2020-11-24 04:44:10 s 1 +68843.873 0 +378339.15 1320.0 – C57
2020-11-24 05:14:10 S 04 50 38.081 -31 37 44.98 – V C57
2020-11-24 05:14:10 s 1 +67823.667 0 +379012.64 210.0 – C57
2020-11-24 05:34:10 S 04 50 38.122 -31 38 35.56 – V C57
2020-11-24 05:34:10 s 1 +67142.672 0 +379456.88 6390.0 – C57
2020-11-24 05:44:10 S 04 50 36.749 -31 39 07.45 – V C57
2020-11-24 05:44:10 s 1 +66801.920 0 +379677.57 9540.0 – C57
2020-11-24 05:54:10 S 04 50 36.461 -31 39 34.38 – V C57
2020-11-24 05:54:10 s 1 +66461.001 0 +379897.32 2750.0 – C57
2020-11-24 06:24:10 S 04 50 35.438 -31 41 00.60 – V C57
2020-11-24 06:24:10 s 1 +65437.246 0 +380550.87 2620.0 – C57
2020-11-24 06:34:10 S 04 50 34.325 -31 41 39.66 – V C57
2020-11-24 06:34:10 s 1 +65095.666 0 +380766.83 6000.0 – C57
2020-11-24 07:24:10 S 04 50 32.570 -31 43 58.62 – V C57
2020-11-24 07:24:10 s 1 +63385.347 0 +381832.43 3480.0 – C57
2020-11-24 08:04:10 S 04 50 31.025 -31 45 59.94 – V C57
2020-11-24 08:04:10 s 1 +62014.252 0 +382667.95 8130.0 – C57
2020-11-24 08:14:10 S 04 50 30.737 -31 46 23.09 – V C57
2020-11-24 08:14:10 s 1 +61671.093 0 +382874.47 1880.0 – C57
2020-11-24 08:24:10 S 04 50 29.844 -31 46 58.91 – V C57
2020-11-24 08:24:10 s 1 +61327.781 0 +383080.06 5660.0 – C57
2020-11-24 08:34:10 S 04 50 29.071 -31 47 19.07 – V C57
2020-11-24 08:34:10 s 1 +60984.319 0 +383284.70 9480.0 – C57
2020-11-24 08:44:10 S 04 50 28.970 -31 47 44.38 – V C57