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
2020-11-24 08:44:10 s 1 +60640.706 0 +383488.41 3320.0 – C57
2020-11-24 10:04:10 S 04 50 25.440 -31 51 44.17 – V C57
2020-11-24 10:04:10 s 1 +57886.521 0 +385084.32 5060.0 – C57
2020-11-24 12:04:09 S 04 50 19.486 -31 57 33.80 – V C57
2020-11-24 12:04:09 s 1 +53739.045 0 +387365.91 4690.0 – C57
2020-11-24 12:24:09 S 04 50 18.403 -31 58 25.68 – V C57
2020-11-24 12:24:09 s 1 +53045.851 0 +387733.21 3270.0 – C57
2020-11-24 12:44:09 S 04 50 17.618 -31 59 23.14 – V C57
2020-11-24 12:44:09 s 1 +52352.148 0 +388096.81 1900.0 – C57
2020-11-24 12:54:09 S 04 50 16.843 -31 59 52.08 – V C57
2020-11-24 12:54:09 s 1 +52005.108 0 +388277.22 6230.0 – C57
2020-11-24 13:04:09 S 04 50 16.488 -32 00 21.71 – V C57
2020-11-24 13:04:09 s 1 +51657.944 0 +388456.71 570.0 – C57
2020-11-24 13:24:09 S 04 50 15.636 -32 01 22.37 – V C57
2020-11-24 13:24:09 s 1 +50963.246 0 +388812.91 9260.0 – C57
2020-11-24 13:34:09 S 04 50 15.168 -32 01 52.72 – V C57
2020-11-24 13:34:09 s 1 +50615.714 0 +388989.62 3620.0 – C57
2020-11-24 13:54:09 S 04 50 13.920 -32 02 46.46 – V C57
2020-11-24 13:54:09 s 1 +49920.291 0 +389340.28 2350.0 – C57
2020-11-24 14:14:09 S 04 50 13.423 -32 03 51.19 – V C57
2020-11-24 14:14:09 s 1 +49224.393 0 +389687.25 1090.0 – C57
2020-11-24 14:24:09 S 04 50 13.186 -32 04 14.52 – V C57
2020-11-24 14:24:09 s 1 +48876.269 0 +389859.35 5460.0 – C57
2020-11-24 14:34:09 S 04 50 12.338 -32 04 48.07 – V C57
2020-11-24 14:34:09 s 1 +48528.029 0 +390030.53 9830.0 – C57
2020-11-24 14:44:09 S 04 50 11.772 -32 05 15.61 – V C57
2020-11-24 14:44:09 s 1 +48179.674 0 +390200.79 4210.0 – C57
2020-11-24 14:54:09 S 04 50 11.998 -32 05 49.16 – V C57
2020-11-24 14:54:09 s 1 +47831.205 0 +390370.14 8580.0 – C57
2020-11-24 15:34:09 S 04 50 09.658 -32 07 41.38 – V C57
2020-11-24 15:34:09 s 1 +46436.211 0 +391038.31 6060.0 – C57
2020-11-24 15:44:09 S 04 50 08.959 -32 08 04.88 – V C57
2020-11-24 15:44:09 s 1 +46087.187 0 +391203.06 410.0 – C57
2020-11-24 15:54:09 S 04 50 09.060 -32 08 28.72 – V C57
2020-11-24 15:54:09 s 1 +45738.055 0 +391366.90 4770.0 – C57
2020-11-24 16:04:09 S 04 50 08.266 -32 09 05.83 – V C57
2020-11-24 16:04:09 s 1 +45388.815 0 +391529.81 9110.0 – C57
2020-11-24 16:14:09 S 04 50 07.850 -32 09 34.78 – V C57
2020-11-24 16:14:09 s 1 +45039.469 0 +391691.81 3450.0 – C57
2020-11-24 16:34:09 S 04 50 06.254 -32 10 32.30 – V C57
2020-11-24 16:34:09 s 1 +44340.462 0 +392013.07 2100.0 – C57
2020-11-24 16:44:09 S 04 50 06.509 -32 10 59.77 – V C57
2020-11-24 16:44:09 s 1 +43990.803 0 +392172.32 6420.0 – C57
2020-11-24 16:54:09 S 04 50 05.921 -32 11 33.00 – V C57
2020-11-24 16:54:09 s 1 +43641.041 0 +392330.66 720.0 – C57
2020-11-24 17:04:09 S 04 50 05.263 -32 11 56.33 – V C57
2020-11-24 17:04:09 s 1 +43291.177 0 +392488.09 5010.0 – C57
2020-11-24 17:14:09 S 04 50 05.110 -32 12 29.09 – V C57
2020-11-24 17:14:09 s 1 +42941.213 0 +392644.60 9290.0 – C57
2020-11-24 17:24:09 S 04 50 04.363 -32 12 56.88 – V C57