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 20:04:09 S 04 42 35.551 -39 15 38.05 – V C57
2020-12-01 20:04:09 s 1 -182096.44 9 +63406.712 270.0 – C57
2020-12-01 20:14:09 S 04 42 35.724 -39 16 04.55 – V C57
2020-12-01 20:14:09 s 1 -181777.09 5 +62511.680 4440.0 – C57
2020-12-01 20:24:09 S 04 42 35.261 -39 16 26.22 – V C57
2020-12-01 20:24:09 s 1 -181454.11 7 +61615.403 4710.0 – C57
2020-12-01 20:54:09 S 04 42 33.809 -39 17 23.17 – V C57
2020-12-01 20:54:09 s 1 -180463.16 5 +58919.160 1830.0 – C57
2020-12-01 21:04:09 S 04 42 33.967 -39 17 47.83 – V C57
2020-12-01 21:04:09 s 1 -180125.41 6 +58017.966 6220.0 – C57
2020-12-01 21:44:09 S 04 42 32.842 -39 19 11.32 – V C57
2020-12-01 21:44:09 s 1 -178736.50 2 +54401.143 3110.0 – C57
2020-12-01 22:14:09 S 04 42 32.194 -39 20 11.62 – V C57
2020-12-01 22:14:09 s 1 -177654.18 4 +51676.101 2250.0 – C57
2020-12-01 22:24:09 S 04 42 31.486 -39 20 32.82 – V C57
2020-12-01 22:24:09 s 1 -177285.51 1 +50765.432 3520.0 – C57
2020-12-01 23:24:09 S 04 42 29.630 -39 22 33.67 – V C57
2020-12-01 23:24:09 s 1 -174988.36 0 +45277.694 280.0 – C57
2020-12-01 23:34:09 S 04 42 29.779 -39 22 56.32 – V C57
2020-12-01 23:34:09 s 1 -174591.01 6 +44359.210 970.0 – C57
2020-12-01 23:44:09 S 04 42 29.585 -39 23 18.20 – V C57
2020-12-01 23:44:09 s 1 -174189.44 7 +43439.653 7170.0 – C57
2020-12-02 00:04:09 S 04 42 28.985 -39 23 55.32 – V C57
2020-12-02 00:04:09 s 1 -173373.49 6 +41597.361 5950.0 – C57
2020-12-02 00:14:09 S 04 42 28.858 -39 24 17.17 – V C57
2020-12-02 00:14:09 s 1 -172959.04 6 +40674.651 8470.0 – C57
2020-12-03 13:22:12 C 04 41 33.84 -40 43 52.2 – q E89
2020-12-03 13:42:20 C 04 41 32.82 -40 44 33.3 – q E89
2020-12-04 00:54:09 S 04 41 36.221 -41 08 41.32 – V C57
2020-12-04 00:54:09 s 1 +139890.41 3 + 6231.722 990.0 – C57
2020-12-04 02:34:09 S 04 41 32.088 -41 12 34.67 – V C57
2020-12-04 02:34:09 s 1 +145569.56 6 +16681.804 5900.0 – C57
2020-12-04 04:34:09 S 04 41 27.247 -41 16 58.91 – V C57
2020-12-04 04:34:09 s 1 +151525.41 8 +29120.877 5010.0 – C57
2020-12-04 04:44:09 S 04 41 26.165 -41 17 21.44 – V C57
2020-12-04 04:44:09 s 1 +151982.43 8 +30150.836 3180.0 – C57
2020-12-04 05:14:09 S 04 41 25.104 -41 18 23.22 – V C57
2020-12-04 05:14:09 s 1 +153319.02 0 +33233.725 3440.0 – C57
2020-12-04 05:24:09 S 04 41 24.790 -41 18 48.49 – V C57
2020-12-04 05:24:09 s 1 +153753.23 4 +34258.946 8970.0 – C57
2020-12-04 05:34:09 S 04 41 24.204 -41 19 15.71 – V C57
2020-12-04 05:34:09 s 1 +154181.88 1 +35282.925 8980.0 – C57
2020-12-04 06:14:09 S 04 41 22.591 -41 20 41.17 – V C57
2020-12-04 06:14:09 s 1 +155841.81 4 +39365.996 5000.0 – C57
2020-12-04 06:24:09 S 04 41 22.370 -41 21 07.88 – V C57
2020-12-04 06:24:09 s 1 +156243.38 7 +40383.452 8270.0 – C57
2020-12-04 07:24:09 S 04 41 19.574 -41 23 14.28 – V C57
2020-12-04 07:24:09 s 1 +158543.94 9 +46458.985 770.0 – C57
2020-12-04 09:54:09 S 04 41 12.516 -41 28 52.68 – V C57
2020-12-04 09:54:09 s 1 +163531.31 0 +61411.742 5010.0 – C57