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
2020-11-23 16:54:10 s 1 +92462.700 0 +359857.68 8290.0 – C57
2020-11-23 17:14:10 S 04 51 12.180 -31 02 13.96 – V C57
2020-11-23 17:14:10 s 1 +91813.183 0 +360446.25 4390.0 – C57
2020-11-23 18:04:10 S 04 51 09.859 -31 04 43.61 – V C57
2020-11-23 18:04:10 s 1 +90184.911 0 +361900.14 7570.0 – C57
2020-11-23 18:14:10 S 04 51 09.173 -31 05 13.02 – V C57
2020-11-23 18:14:10 s 1 +89858.500 0 +362187.92 9860.0 – C57
2020-11-23 18:44:10 S 04 51 08.412 -31 06 44.06 – V C57
2020-11-23 18:44:10 s 1 +88877.775 0 +363045.29 6060.0 – C57
2020-11-23 19:04:10 S 04 51 07.397 -31 07 46.70 – V C57
2020-11-23 19:04:10 s 1 +88222.729 0 +363611.89 9640.0 – C57
2020-11-23 19:24:10 S 04 51 05.827 -31 08 35.16 – V C57
2020-11-23 19:24:10 s 1 +87566.712 0 +364174.51 2790.0 – C57
2020-11-23 19:44:10 S 04 51 05.066 -31 09 36.94 – V C57
2020-11-23 19:44:10 s 1 +86909.733 0 +364733.17 5510.0 – C57
2020-11-23 19:54:10 S 04 51 04.462 -31 10 12.18 – V C57
2020-11-23 19:54:10 s 1 +86580.887 0 +365011.02 6720.0 – C57
2020-11-23 20:34:10 S 04 51 03.199 -31 12 09.54 – V C57
2020-11-23 20:34:10 s 1 +85263.150 0 +366112.51 520.0 – C57
2020-11-23 20:44:10 S 04 51 02.110 -31 12 38.66 – V C57
2020-11-23 20:44:10 s 1 +84933.134 0 +366385.41 1230.0 – C57
2020-11-23 21:04:10 S 04 51 01.147 -31 13 33.60 – V C57
2020-11-23 21:04:10 s 1 +84272.413 0 +366928.26 2340.0 – C57
2020-11-23 21:14:10 S 04 51 00.578 -31 14 07.69 – V C57
2020-11-23 21:14:10 s 1 +83941.710 0 +367198.21 2760.0 – C57
2020-11-23 21:24:10 S 04 51 00.307 -31 14 39.52 – V C57
2020-11-23 21:24:10 s 1 +83610.781 0 +367467.18 3080.0 – C57
2020-11-23 21:34:10 S 04 50 59.765 -31 15 09.76 – V C57
2020-11-23 21:34:10 s 1 +83279.627 0 +367735.17 3300.0 – C57
2020-11-23 21:44:10 S 04 50 59.818 -31 15 31.82 – V C57
2020-11-23 21:44:10 s 1 +82948.249 0 +368002.17 3440.0 – C57
2020-11-23 22:04:10 S 04 50 58.802 -31 16 31.19 – V C57
2020-11-23 22:04:10 s 1 +82284.825 0 +368533.23 3430.0 – C57
2020-11-23 22:14:10 S 04 50 57.809 -31 16 59.38 – V C57
2020-11-23 22:14:10 s 1 +81952.782 0 +368797.29 3290.0 – C57
2020-11-23 22:24:10 S 04 50 57.487 -31 17 30.37 – V C57
2020-11-23 22:24:10 s 1 +81620.521 0 +369060.38 3070.0 – C57
2020-11-23 22:34:10 S 04 50 57.509 -31 18 07.85 – V C57
2020-11-23 22:34:10 s 1 +81288.041 0 +369322.48 2760.0 – C57
2020-11-23 22:44:10 S 04 50 56.542 -31 18 27.83 – V C57
2020-11-23 22:44:10 s 1 +80955.344 0 +369583.61 2360.0 – C57
2020-11-23 22:54:10 S 04 50 55.733 -31 18 56.34 – V C57
2020-11-23 22:54:10 s 1 +80622.432 0 +369843.76 1870.0 – C57
2020-11-23 23:34:10 S 04 50 54.888 -31 20 59.68 – V C57
2020-11-23 23:34:10 s 1 +79288.654 0 +370874.61 9100.0 – C57
2020-11-23 23:54:10 S 04 50 53.950 -31 21 59.62 – V C57
2020-11-23 23:54:10 s 1 +78620.503 0 +371384.20 7230.0 – C57
2020-11-24 00:04:10 S 04 50 53.278 -31 22 30.14 – V C57
2020-11-24 00:04:10 s 1 +78286.117 0 +371637.53 6170.0 – C57
2020-11-24 00:34:10 S 04 50 51.722 -31 23 58.06 – V C57