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
2020-12-11 19:44:09 S 04 31 47.261 -46 41 03.01 – V C57
2020-12-11 19:44:09 s 1 -97113.130 0 +385957.15 10.0 – C57
2020-12-11 19:54:09 S 04 31 46.459 -46 41 16.15 – V C57
2020-12-11 19:54:09 s 1 -97423.288 0 +385755.95 1360.0 – C57
2020-12-11 20:34:09 S 04 31 45.358 -46 42 13.50 – V C57
2020-12-11 20:34:09 s 1 -98661.566 0 +384942.48 3460.0 – C57
2020-12-11 21:54:09 S 04 31 41.405 -46 43 58.66 – V C57
2020-12-11 21:54:09 s 1 -101126.64 3 +383274.01 1560.0 – C57
2020-12-11 22:44:09 S 04 31 38.496 -46 45 09.25 – V C57
2020-12-11 22:44:09 s 1 -102659.37 7 +382203.01 3020.0 – C57
2020-12-11 23:14:09 S 04 31 37.673 -46 45 53.50 – V C57
2020-12-11 23:14:09 s 1 -103576.02 6 +381549.99 7720.0 – C57
2020-12-11 23:34:09 S 04 31 36.629 -46 46 20.42 – V C57
2020-12-11 23:34:09 s 1 -104185.86 5 +381110.28 5760.0 – C57
2020-12-12 00:14:09 S 04 31 34.591 -46 47 09.13 – V C57
2020-12-12 00:14:09 s 1 -105402.48 1 +380220.42 7590.0 – C57
2020-12-12 01:14:09 S 04 31 31.442 -46 48 32.22 – V C57
2020-12-12 01:14:09 s 1 -107219.63 8 +378859.43 4550.0 – C57
2020-12-12 01:54:09 S 04 31 29.441 -46 49 32.52 – V C57
2020-12-12 01:54:09 s 1 -108425.81 0 +377934.61 1890.0 – C57
2020-12-12 03:24:09 S 04 31 25.291 -46 51 31.54 – V C57
2020-12-12 03:24:09 s 1 -111123.93 6 +375802.45 4100.0 – C57
2020-12-12 03:34:09 S 04 31 24.413 -46 51 47.88 – V C57
2020-12-12 03:34:09 s 1 -111422.35 8 +375561.15 9130.0 – C57
2020-12-12 03:54:09 S 04 31 23.750 -46 52 14.27 – V C57
2020-12-12 03:54:09 s 1 -112018.36 7 +375075.90 8020.0 – C57
2020-12-12 04:04:09 S 04 31 23.374 -46 52 23.77 – V C57
2020-12-12 04:04:09 s 1 -112315.95 4 +374831.96 1890.0 – C57
2020-12-12 04:34:09 S 04 31 22.541 -46 53 05.78 – V C57
2020-12-12 04:34:09 s 1 -113207.02 4 +374094.83 1170.0 – C57
2020-12-12 05:54:09 S 04 31 17.998 -46 54 54.72 – V C57
2020-12-12 05:54:09 s 1 -115570.65 9 +372090.29 8670.0 – C57
2020-12-12 06:04:09 S 04 31 17.851 -46 55 09.12 – V C57
2020-12-12 06:04:09 s 1 -115864.81 1 +371835.74 7820.0 – C57
2020-12-12 06:34:09 S 04 31 16.673 -46 55 44.94 – V C57
2020-12-12 06:34:09 s 1 -116745.50 6 +371066.76 2850.0 – C57
2020-12-12 06:44:09 S 04 31 15.398 -46 56 02.76 – V C57
2020-12-12 06:44:09 s 1 -117038.48 1 +370808.65 380.0 – C57
2020-12-12 06:54:09 S 04 31 14.774 -46 56 17.27 – V C57
2020-12-12 06:54:09 s 1 -117331.15 9 +370549.66 7510.0 – C57
2020-12-12 07:24:09 S 04 31 13.603 -46 56 49.60 – V C57
2020-12-12 07:24:09 s 1 -118207.40 0 +369767.36 6430.0 – C57
2020-12-12 07:34:09 S 04 31 13.195 -46 57 06.62 – V C57
2020-12-12 07:34:09 s 1 -118498.88 0 +369504.81 1920.0 – C57
2020-12-12 07:44:09 S 04 31 12.929 -46 57 17.50 – V C57
2020-12-12 07:44:09 s 1 -118790.05 7 +369241.36 6990.0 – C57
2020-12-12 08:14:09 S 04 31 12.137 -46 57 58.36 – V C57
2020-12-12 08:14:09 s 1 -119661.76 6 +368445.69 9710.0 – C57
2020-12-12 09:04:09 S 04 31 09.641 -46 59 06.36 – V C57
2020-12-12 09:04:09 s 1 -121108.47 0 +367101.71 2520.0 – C57