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
2020-12-08 20:44:09 S 04 35 28.481 -44 53 16.19 – V C57
2020-12-08 20:44:09 s 1 +46197.052 0 +394531.91 5340.0 – C57
2020-12-08 20:54:09 S 04 35 28.044 -44 53 33.79 – V C57
2020-12-08 20:54:09 s 1 +45856.993 0 +394694.39 890.0 – C57
2020-12-08 21:04:09 S 04 35 27.396 -44 53 48.41 – V C57
2020-12-08 21:04:09 s 1 +45516.841 0 +394855.97 6450.0 – C57
2020-12-08 22:34:09 S 04 35 22.147 -44 56 14.60 – V C57
2020-12-08 22:34:09 s 1 +42451.435 0 +396269.91 6680.0 – C57
2020-12-08 22:44:09 S 04 35 21.948 -44 56 30.73 – V C57
2020-12-08 22:44:09 s 1 +42110.401 0 +396422.55 2270.0 – C57
2020-12-08 23:24:09 S 04 35 19.558 -44 57 37.98 – V C57
2020-12-08 23:24:09 s 1 +40745.442 0 +397024.16 4620.0 – C57
2020-12-09 05:34:09 S 04 34 59.376 -45 07 51.20 – V C57
2020-12-09 05:34:09 s 1 +28066.039 0 +401916.97 2200.0 – C57
2020-12-09 07:04:09 S 04 34 54.768 -45 10 08.80 – V C57
2020-12-09 07:04:09 s 1 +24970.123 0 +402925.10 5140.0 – C57
2020-12-09 10:14:09 S 04 34 44.429 -45 15 19.26 – V C57
2020-12-09 10:14:09 s 1 +18423.881 0 +404821.59 4950.0 – C57
2020-12-09 10:54:09 S 04 34 42.005 -45 16 21.97 – V C57
2020-12-09 10:54:09 s 1 +17044.309 0 +405180.93 9520.0 – C57
2020-12-09 11:44:09 S 04 34 40.109 -45 17 48.19 – V C57
2020-12-09 11:44:09 s 1 +15319.316 0 +405610.65 6490.0 – C57
2020-12-09 16:44:09 S 04 34 23.748 -45 25 44.15 – V C57
2020-12-09 17:24:09 S 04 34 22.051 -45 26 36.38 – V C57
2020-12-09 22:54:09 S 04 34 04.248 -45 35 18.10 – V C57
2020-12-09 23:54:09 S 04 34 01.078 -45 36 49.32 – V C57
2020-12-10 00:14:09 S 04 33 59.834 -45 37 24.28 – V C57
2020-12-10 00:14:09 s 1 -10562.704 0 +409484.78 5780.0 – C57
2020-12-10 00:24:09 S 04 33 59.206 -45 37 42.10 – V C57
2020-12-10 00:24:09 s 1 -10907.128 0 +409504.10 2600.0 – C57
2020-12-10 01:24:09 S 04 33 55.925 -45 39 17.39 – V C57
2020-12-10 01:24:09 s 1 -12972.890 0 +409602.23 1100.0 – C57
2020-12-10 01:44:09 S 04 33 55.735 -45 39 38.30 – V C57
2020-12-10 01:44:09 s 1 -13661.160 0 +409628.18 3010.0 – C57
2020-12-10 01:54:02 C 04 34 36.54 -45 27 50.5 – o W92
2020-12-10 02:04:09 S 04 33 54.290 -45 40 13.19 – V C57
2020-12-10 02:04:09 s 1 -14349.262 0 +409650.75 4450.0 – C57
2020-12-10 02:54:09 S 04 33 52.022 -45 41 33.14 – V C57
2020-12-10 02:54:09 s 1 -16068.744 0 +409692.40 950.0 – C57
2020-12-10 03:54:09 S 04 33 49.078 -45 43 01.52 – V C57
2020-12-10 03:54:09 s 1 -18130.563 0 +409714.53 8690.0 – C57
2020-12-10 03:58:51 C 04 34 30.24 -45 31 05.0 – o W92
2020-12-10 05:14:09 S 04 33 44.438 -45 45 08.82 – V C57
2020-12-10 05:14:09 s 1 -20876.754 0 +409696.82 8530.0 – C57
2020-12-10 05:34:09 S 04 33 43.032 -45 45 32.51 – V C57
2020-12-10 05:34:09 s 1 -21562.746 0 +409683.97 4680.0 – C57
2020-12-10 05:44:09 S 04 33 42.811 -45 45 56.70 – V C57
2020-12-10 05:44:09 s 1 -21905.654 0 +409676.28 7550.0 – C57
2020-12-10 06:04:09 S 04 33 41.374 -45 46 20.93 – V C57
2020-12-10 06:04:09 s 1 -22591.293 0 +409658.38 2890.0 – C57