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
2020-12-13 00:04:09 S 04 30 27.797 -47 18 42.84 – V C57
2020-12-13 00:04:09 s 1 -145675.09 5 +339017.63 2120.0 – C57
2020-12-13 01:14:08 S 04 30 24.828 -47 20 01.57 – V C57
2020-12-13 01:14:08 s 1 -147454.30 6 +336517.24 6800.0 – C57
2020-12-13 02:04:09 S 04 30 22.651 -47 21 07.67 – V C57
2020-12-13 02:04:09 s 1 -148712.15 0 +334702.63 4060.0 – C57
2020-12-13 03:14:09 S 04 30 19.704 -47 22 32.34 – V C57
2020-12-13 03:14:09 s 1 -150454.50 1 +332121.91 9150.0 – C57
2020-12-13 04:04:09 S 04 30 16.860 -47 23 34.62 – V C57
2020-12-13 04:04:09 s 1 -151685.46 7 +330249.64 250.0 – C57
2020-12-13 04:54:09 S 04 30 15.288 -47 24 41.36 – V C57
2020-12-13 04:54:09 s 1 -152904.90 2 +328353.18 5860.0 – C57
2020-12-13 05:14:09 S 04 30 14.239 -47 25 07.36 – V C57
2020-12-13 05:14:09 s 1 -153389.40 1 +327587.79 3700.0 – C57
2020-12-13 05:24:08 S 04 30 14.105 -47 25 17.65 – V C57
2020-12-13 05:24:08 s 1 -153630.94 3 +327203.64 1670.0 – C57
2020-12-13 05:34:09 S 04 30 13.486 -47 25 28.74 – V C57
2020-12-13 05:34:09 s 1 -153872.01 1 +326818.52 9010.0 – C57
2020-12-13 05:54:09 S 04 30 12.473 -47 26 00.38 – V C57
2020-12-13 05:54:09 s 1 -154352.71 6 +326045.34 1750.0 – C57
2020-12-13 07:54:09 S 04 30 07.394 -47 28 20.64 – V C57
2020-12-13 07:54:09 s 1 -157196.22 4 +321324.01 3520.0 – C57
2020-12-13 09:24:09 S 04 30 02.971 -47 30 17.86 – V C57
2020-12-13 09:24:09 s 1 -159281.79 1 +317689.81 6650.0 – C57
2020-12-13 09:34:08 S 04 30 02.623 -47 30 30.10 – V C57
2020-12-13 09:34:08 s 1 -159510.96 6 +317281.04 8020.0 – C57
2020-12-13 10:14:08 S 04 30 00.970 -47 31 21.68 – V C57
2020-12-13 10:14:08 s 1 -160422.47 1 +315636.02 6500.0 – C57
2020-12-13 10:34:09 S 04 30 00.504 -47 31 43.90 – V C57
2020-12-13 10:34:09 s 1 -160875.08 1 +314807.51 1520.0 – C57
2020-12-13 11:34:09 S 04 29 57.936 -47 32 58.56 – V C57
2020-12-13 11:34:09 s 1 -162220.16 1 +312297.92 9480.0 – C57
2020-12-13 12:14:09 S 04 29 56.081 -47 33 47.56 – V C57
2020-12-13 12:14:09 s 1 -163106.10 5 +310604.73 3660.0 – C57
2020-12-13 14:34:09 S 04 29 50.352 -47 36 34.78 – V C57
2020-12-13 14:34:09 s 1 -166137.04 0 +304550.72 4560.0 – C57
2020-12-13 15:54:08 S 04 29 46.442 -47 38 10.50 – V C57
2020-12-13 15:54:08 s 1 -167818.65 9 +301001.24 1840.0 – C57
2020-12-13 16:04:09 S 04 29 46.375 -47 38 26.63 – V C57
2020-12-13 16:04:09 s 1 -168026.21 5 +300552.91 4190.0 – C57
2020-12-13 16:24:09 S 04 29 45.410 -47 38 49.92 – V C57
2020-12-13 16:24:09 s 1 -168439.53 9 +299653.16 6520.0 – C57
2020-12-13 16:34:09 S 04 29 44.402 -47 39 03.92 – V C57
2020-12-13 16:34:09 s 1 -168645.30 2 +299201.73 6470.0 – C57
2020-12-13 17:04:08 S 04 29 44.042 -47 39 41.11 – V C57
2020-12-13 17:04:08 s 1 -169258.97 2 +297841.20 1480.0 – C57
2020-12-13 17:24:08 S 04 29 42.557 -47 40 02.93 – V C57
2020-12-13 17:24:08 s 1 -169665.04 6 +296928.97 4080.0 – C57
2020-12-13 17:54:09 S 04 29 40.939 -47 40 43.25 – V C57
2020-12-13 17:54:09 s 1 -170269.55 4 +295552.81 6810.0 – C57