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
2020-12-14 16:04:08 S 04 28 48.943 -48 06 25.74 – V C57
2020-12-14 16:04:08 s 1 -190389.21 5 +224587.39 3110.0 – C57
2020-12-14 16:14:08 S 04 28 48.149 -48 06 37.44 – V C57
2020-12-14 16:14:08 s 1 -190480.95 3 +223975.70 210.0 – C57
2020-12-14 16:24:08 S 04 28 48.257 -48 06 57.60 – V C57
2020-12-14 16:24:08 s 1 -190571.62 3 +223362.77 5870.0 – C57
2020-12-14 16:44:08 S 04 28 47.839 -48 07 14.56 – V C57
2020-12-14 16:44:08 s 1 -190749.73 7 +222133.19 2860.0 – C57
2020-12-14 17:04:08 S 04 28 46.397 -48 07 41.02 – V C57
2020-12-14 17:04:08 s 1 -190923.51 7 +220898.64 4060.0 – C57
2020-12-14 17:24:08 S 04 28 45.674 -48 07 58.51 – V C57
2020-12-14 17:24:08 s 1 -191092.92 3 +219659.11 9390.0 – C57
2020-12-14 20:34:08 S 04 28 38.962 -48 11 29.62 – V C57
2020-12-14 20:34:08 s 1 -192476.15 9 +207632.35 2240.0 – C57
2020-12-14 20:44:08 S 04 28 38.875 -48 11 42.61 – V C57
2020-12-14 20:44:08 s 1 -192537.22 8 +206986.64 8260.0 – C57
2020-12-14 21:24:08 S 04 28 37.109 -48 12 28.51 – V C57
2020-12-14 21:24:08 s 1 -192769.32 0 +204390.91 6030.0 – C57
2020-12-14 21:54:08 S 04 28 35.806 -48 13 02.10 – V C57
2020-12-14 21:54:08 s 1 -192930.42 7 +202430.55 4510.0 – C57
2020-12-14 22:24:08 S 04 28 35.558 -48 13 37.38 – V C57
2020-12-14 22:24:08 s 1 -193080.24 1 +200458.50 7880.0 – C57
2020-12-14 23:04:08 S 04 28 33.137 -48 14 21.37 – V C57
2020-12-14 23:04:08 s 1 -193262.13 7 +197810.83 8480.0 – C57
2020-12-14 23:14:08 S 04 28 33.223 -48 14 31.74 – V C57
2020-12-14 23:14:08 s 1 -193304.38 0 +197145.63 9310.0 – C57
2020-12-15 00:24:08 S 04 28 31.728 -48 15 40.18 – V C57
2020-12-15 00:24:08 s 1 -193563.16 5 +192452.39 5720.0 – C57
2020-12-15 01:04:08 S 04 28 29.813 -48 16 25.50 – V C57
2020-12-15 01:04:08 s 1 -193681.44 5 +189741.39 1240.0 – C57
2020-12-15 02:24:08 S 04 28 27.634 -48 17 54.46 – V C57
2020-12-15 02:24:08 s 1 -193851.31 2 +184255.16 3110.0 – C57
2020-12-15 06:04:08 S 04 28 19.853 -48 21 56.20 – V C57
2020-12-15 06:04:08 s 1 -193831.72 1 +168719.37 3090.0 – C57
2020-12-15 06:24:08 S 04 28 18.864 -48 22 16.25 – V C57
2020-12-15 06:24:08 s 1 -193792.47 0 +167273.89 9430.0 – C57
2020-12-15 07:24:08 S 04 28 17.251 -48 23 19.43 – V C57
2020-12-15 07:24:08 s 1 -193635.15 4 +162903.86 5700.0 – C57
2020-12-15 07:54:08 S 04 28 16.190 -48 23 51.68 – V C57
2020-12-15 07:54:08 s 1 -193533.78 0 +160699.85 3550.0 – C57
2020-12-15 09:04:08 S 04 28 14.040 -48 25 08.33 – V C57
2020-12-15 09:04:08 s 1 -193236.54 0 +155507.57 7630.0 – C57
2020-12-15 09:24:08 S 04 28 13.238 -48 25 22.66 – V C57
2020-12-15 09:24:08 s 1 -193135.64 3 +154011.24 1800.0 – C57
2020-12-15 09:44:08 S 04 28 12.607 -48 25 46.31 – V C57
2020-12-15 09:44:08 s 1 -193027.49 6 +152509.19 6320.0 – C57
2020-12-15 12:54:08 S 04 28 06.427 -48 29 13.20 – V C57
2020-12-15 12:54:08 s 1 -191621.58 1 +137951.38 5590.0 – C57
2020-12-15 14:54:08 S 04 28 02.750 -48 31 07.43 – V C57
2020-12-15 14:54:08 s 1 -190356.24 1 +128484.80 3090.0 – C57