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
2020-12-05 16:54:09 S 04 39 38.198 -42 33 59.18 – V C57
2020-12-05 16:54:09 s 1 +170433.48 9 +214652.40 410.0 – C57
2020-12-05 19:24:09 S 04 39 29.599 -42 39 05.98 – V C57
2020-12-05 19:24:09 s 1 +168323.60 3 +224552.71 5260.0 – C57
2020-12-05 20:14:09 S 04 39 27.192 -42 40 44.72 – V C57
2020-12-05 20:14:09 s 1 +167564.90 7 +227779.71 6780.0 – C57
2020-12-05 22:34:09 S 04 39 19.675 -42 45 23.76 – V C57
2020-12-05 22:34:09 s 1 +165302.05 8 +236624.57 5020.0 – C57
2020-12-05 23:14:09 S 04 39 17.724 -42 46 43.50 – V C57
2020-12-05 23:14:09 s 1 +164619.55 8 +239100.69 3130.0 – C57
2020-12-05 23:44:09 S 04 39 16.495 -42 47 46.82 – V C57
2020-12-05 23:44:09 s 1 +164097.57 8 +240943.09 8330.0 – C57
2020-12-06 00:54:09 S 04 39 11.621 -42 50 08.12 – V C57
2020-12-06 00:54:09 s 1 +162846.76 1 +245193.38 3320.0 – C57
2020-12-06 01:54:09 S 04 39 09.113 -42 52 00.37 – V C57
2020-12-06 01:54:09 s 1 +161739.02 0 +248782.77 1150.0 – C57
2020-12-06 05:14:09 S 04 38 57.893 -42 58 33.20 – V C57
2020-12-06 05:14:09 s 1 +157822.23 9 +260395.54 7490.0 – C57
2020-12-06 07:54:09 S 04 38 48.742 -43 03 47.12 – V C57
2020-12-06 07:54:09 s 1 +154457.43 3 +269304.44 1660.0 – C57
2020-12-06 12:14:09 S 04 38 35.009 -43 12 10.94 – V C57
2020-12-06 12:14:09 s 1 +148594.09 9 +283080.82 2870.0 – C57
2020-12-06 13:04:09 S 04 38 32.470 -43 13 46.16 – V C57
2020-12-06 13:04:09 s 1 +147414.59 5 +285632.95 2360.0 – C57
2020-12-06 13:54:09 S 04 38 28.958 -43 15 18.07 – V C57
2020-12-06 13:54:09 s 1 +146219.29 9 +288154.28 9600.0 – C57
2020-12-06 14:34:09 S 04 38 27.156 -43 16 30.47 – V C57
2020-12-06 14:34:09 s 1 +145251.94 7 +290149.29 8790.0 – C57
2020-12-06 17:34:09 S 04 38 17.278 -43 22 17.15 – V C57
2020-12-06 17:34:09 s 1 +140781.78 2 +298887.43 410.0 – C57
2020-12-06 19:54:09 S 04 38 09.703 -43 26 44.27 – V C57
2020-12-06 19:54:09 s 1 +137179.93 4 +305417.21 7970.0 – C57
2020-12-06 21:44:09 S 04 38 03.569 -43 30 06.70 – V C57
2020-12-06 21:44:09 s 1 +134278.25 9 +310387.20 5360.0 – C57
2020-12-06 23:24:09 S 04 37 57.660 -43 33 15.48 – V C57
2020-12-06 23:24:09 s 1 +131588.62 7 +314784.56 3880.0 – C57
2020-12-06 23:54:09 S 04 37 55.810 -43 34 11.24 – V C57
2020-12-06 23:54:09 s 1 +130772.48 8 +316081.55 7660.0 – C57
2020-12-07 01:24:09 S 04 37 51.106 -43 37 01.81 – V C57
2020-12-07 01:24:09 s 1 +128299.34 1 +319911.58 1070.0 – C57
2020-12-07 01:34:09 S 04 37 50.645 -43 37 12.07 – V C57
2020-12-07 01:34:09 s 1 +128022.30 4 +320331.52 2050.0 – C57
2020-12-07 01:44:09 S 04 37 49.810 -43 37 36.66 – V C57
2020-12-07 01:44:09 s 1 +127744.82 6 +320750.34 2710.0 – C57
2020-12-07 02:14:09 S 04 37 48.566 -43 38 34.94 – V C57
2020-12-07 02:14:09 s 1 +126909.76 9 +322000.12 2820.0 – C57
2020-12-07 02:54:09 S 04 37 46.289 -43 39 42.37 – V C57
2020-12-07 02:54:09 s 1 +125790.31 4 +323650.92 8650.0 – C57
2020-12-07 03:14:09 S 04 37 45.012 -43 40 22.62 – V C57
2020-12-07 03:14:09 s 1 +125228.03 3 +324469.66 4740.0 – C57