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
2020-11-29 09:04:09 s 1 -172356.80 7 +297947.70 2890.0 – C57
2020-11-29 09:14:09 S 04 44 51.163 -37 05 22.63 – V C57
2020-11-29 09:14:09 s 1 -172575.52 1 +297494.77 8920.0 – C57
2020-11-29 11:24:09 S 04 44 45.463 -37 10 21.86 – V C57
2020-11-29 11:24:09 s 1 -175362.01 4 +291510.97 6890.0 – C57
2020-11-29 11:54:09 S 04 44 44.042 -37 11 34.58 – V C57
2020-11-29 11:54:09 s 1 -175989.75 3 +290104.72 9830.0 – C57
2020-11-29 14:34:09 S 04 44 37.555 -37 17 52.66 – V C57
2020-11-29 14:34:09 s 1 -179236.88 2 +282442.39 4770.0 – C57
2020-11-29 14:44:09 S 04 44 36.833 -37 18 11.09 – V C57
2020-11-29 14:44:09 s 1 -179434.04 7 +281954.35 4230.0 – C57
2020-11-29 15:04:09 S 04 44 35.714 -37 18 57.42 – V C57
2020-11-29 15:04:09 s 1 -179826.28 8 +280975.04 610.0 – C57
2020-11-29 15:34:09 S 04 44 34.853 -37 20 05.50 – V C57
2020-11-29 15:34:09 s 1 -180409.38 6 +279497.95 8740.0 – C57
2020-11-29 16:14:09 S 04 44 32.978 -37 21 38.95 – V C57
2020-11-29 16:14:09 s 1 -181176.91 3 +277513.27 770.0 – C57
2020-11-29 16:24:09 S 04 44 32.186 -37 22 04.44 – V C57
2020-11-29 16:24:09 s 1 -181367.00 2 +277014.37 1590.0 – C57
2020-11-29 17:14:09 S 04 44 30.096 -37 23 58.16 – V C57
2020-11-29 17:14:09 s 1 -182306.55 4 +274503.49 2430.0 – C57
2020-11-29 18:24:09 S 04 44 27.574 -37 26 44.41 – V C57
2020-11-29 18:24:09 s 1 -183590.90 8 +270942.13 1880.0 – C57
2020-11-29 18:54:09 S 04 44 26.282 -37 27 43.45 – V C57
2020-11-29 18:54:09 s 1 -184130.05 2 +269399.27 6500.0 – C57
2020-11-29 19:04:09 S 04 44 25.663 -37 28 22.37 – V C57
2020-11-29 19:04:09 s 1 -184308.24 0 +268882.76 2860.0 – C57
2020-11-29 19:54:09 S 04 44 23.124 -37 30 02.30 – V C57
2020-11-29 19:54:09 s 1 -185187.58 6 +266283.57 620.0 – C57
2020-11-29 20:14:09 S 04 44 22.702 -37 30 56.95 – V C57
2020-11-29 20:14:09 s 1 -185533.85 9 +265236.08 1110.0 – C57
2020-11-29 21:04:09 S 04 44 20.304 -37 32 48.05 – V C57
2020-11-29 21:04:09 s 1 -186385.66 0 +262597.78 5590.0 – C57
2020-11-29 21:44:09 S 04 44 18.862 -37 34 26.76 – V C57
2020-11-29 21:44:09 s 1 -187052.61 6 +260466.91 5700.0 – C57
2020-11-29 22:14:09 S 04 44 17.189 -37 35 34.26 – V C57
2020-11-29 22:14:09 s 1 -187544.24 7 +258856.90 2950.0 – C57
2020-11-29 22:24:09 S 04 44 17.011 -37 35 51.90 – V C57
2020-11-29 22:24:09 s 1 -187706.47 2 +258317.96 50.0 – C57
2020-11-29 22:54:09 S 04 44 15.581 -37 37 01.67 – V C57
2020-11-29 22:54:09 s 1 -188188.14 0 +256694.35 5320.0 – C57
2020-11-29 23:24:09 S 04 44 14.794 -37 38 16.26 – V C57
2020-11-29 23:24:09 s 1 -188662.23 1 +255060.50 1500.0 – C57
2020-11-29 23:34:09 S 04 44 13.826 -37 38 34.76 – V C57
2020-11-29 23:34:09 s 1 -188818.56 1 +254513.60 1520.0 – C57
2020-11-29 23:44:09 S 04 44 13.618 -37 38 56.90 – V C57
2020-11-29 23:44:09 s 1 -188974.03 6 +253965.55 510.0 – C57
2020-11-29 23:54:09 S 04 44 13.044 -37 39 20.56 – V C57
2020-11-29 23:54:09 s 1 -189128.65 1 +253416.37 8480.0 – C57
2020-11-30 00:24:09 S 04 44 12.350 -37 40 20.06 – V C57