IAA RAS IAA Minor Planet Database

162149 (1998 YQ11)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3965435601 ± 1.34e-08
Semi-major axis (a)1.8743296252 AU ± 8.23e-10
Inclination (i)11.93086553° ± 2.10e-06
Long. of Asc. Node (Ω)256.53991892° ± 5.78e-06
Arg. of Perihelion (ω)245.80635025° ± 8.14e-06
Mean Anomaly (M)166.32474788° ± 2.28e-06
Mean Motion (n)0.3840991285°/day ± 2.53e-10
Perihelion dist (q)1.13107628 AU ± 2.51e-08
Aphelion dist (Q)2.61758297 AU ± 2.51e-08
Orbital Period2.56607269 yr ± 1.69e-09
Physical Parameters
H (abs. magnitude)17.51
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.466″
Uncertainty0
Orbit TypeAmor
MOID0.229168 AU
Observations Used2182
Oppositions16
Arc Total1998-2025
First Observation Used1998-12-23
Last Observation Used2025-06-04
Observations (3437)
Date Type RA Dec Mag Band Observatory
2021-11-30 10:53:54 s 1 -162539.04 3 +203902.13 2400.0 – C57
2021-11-30 11:03:54 S 05 48 04.073 +25 25 05.23 – V C57
2021-11-30 11:03:54 s 1 -162668.51 4 +203239.45 290.0 – C57
2021-11-30 11:13:54 S 05 48 03.948 +25 24 56.27 – V C57
2021-11-30 11:13:54 s 1 -162796.77 8 +202575.28 3140.0 – C57
2021-11-30 11:23:54 S 05 48 03.494 +25 24 41.44 – V C57
2021-11-30 11:23:54 s 1 -162923.82 8 +201909.60 910.0 – C57
2021-11-30 11:33:54 S 05 48 03.965 +25 24 32.40 – V C57
2021-11-30 11:33:54 s 1 -163049.65 8 +201242.41 3590.0 – C57
2021-11-30 11:43:54 S 05 48 03.331 +25 24 15.30 – V C57
2021-11-30 11:43:54 s 1 -163174.26 1 +200573.72 1150.0 – C57
2021-11-30 11:53:54 S 05 48 03.178 +25 24 05.76 – V C57
2021-11-30 11:53:54 s 1 -163297.63 0 +199903.53 3550.0 – C57
2021-11-30 12:03:54 S 05 48 03.055 +25 23 53.66 – V C57
2021-11-30 12:03:54 s 1 -163419.75 9 +199231.82 780.0 – C57
2021-11-30 12:13:54 S 05 48 02.964 +25 23 43.55 – V C57
2021-11-30 12:13:54 s 1 -163540.64 1 +198558.59 2800.0 – C57
2021-11-30 12:23:54 S 05 48 02.866 +25 23 29.72 – V C57
2021-11-30 12:23:54 s 1 -163660.27 0 +197883.86 9590.0 – C57
2021-11-30 12:33:54 S 05 48 02.926 +25 23 19.43 – V C57
2021-11-30 12:33:54 s 1 -163778.63 8 +197207.60 1120.0 – C57
2021-11-30 12:43:54 S 05 48 02.592 +25 23 06.14 – V C57
2021-11-30 12:43:54 s 1 -163895.73 9 +196529.83 7360.0 – C57
2021-11-30 12:53:54 S 05 48 02.314 +25 22 55.31 – V C57
2021-11-30 12:53:54 s 1 -164011.56 5 +195850.53 8290.0 – C57
2021-11-30 13:03:54 S 05 48 02.534 +25 22 41.88 – V C57
2021-11-30 13:03:54 s 1 -164126.11 1 +195169.72 3880.0 – C57
2021-11-30 13:13:54 S 05 48 02.354 +25 22 30.86 – V C57
2021-11-30 13:13:54 s 1 -164239.36 8 +194487.37 4090.0 – C57
2021-11-30 13:23:54 S 05 48 02.182 +25 22 19.52 – V C57
2021-11-30 13:23:54 s 1 -164351.33 0 +193803.50 8910.0 – C57
2021-11-30 13:33:54 S 05 48 02.050 +25 22 05.02 – V C57
2021-11-30 13:33:54 s 1 -164461.98 9 +193118.10 8290.0 – C57
2021-11-30 13:43:54 S 05 48 01.747 +25 21 54.90 – V C57
2021-11-30 13:43:54 s 1 -164571.33 9 +192431.17 2220.0 – C57
2021-11-30 13:53:54 S 05 48 01.673 +25 21 43.99 – V C57
2021-11-30 13:53:54 s 1 -164679.37 2 +191742.71 660.0 – C57
2021-11-30 14:03:54 S 05 48 01.606 +25 21 31.90 – V C57
2021-11-30 14:03:54 s 1 -164786.08 1 +191052.71 3590.0 – C57
2021-11-30 14:13:54 S 05 48 01.466 +25 21 20.27 – V C57
2021-11-30 14:13:54 s 1 -164891.45 8 +190361.17 970.0 – C57
2021-11-30 14:23:54 S 05 48 01.306 +25 21 07.52 – V C57
2021-11-30 14:23:54 s 1 -164995.49 6 +189668.10 2780.0 – C57
2021-11-30 14:33:54 S 05 48 01.248 +25 20 55.97 – V C57
2021-11-30 14:33:54 s 1 -165098.18 9 +188973.48 8980.0 – C57
2021-11-30 14:43:54 S 05 48 01.190 +25 20 42.76 – V C57
2021-11-30 14:43:54 s 1 -165199.52 7 +188277.32 9540.0 – C57
2021-11-30 14:53:54 S 05 48 01.270 +25 20 31.31 – V C57
2021-11-30 14:53:54 s 1 -165299.50 4 +187579.61 4440.0 – C57
2021-11-30 15:03:54 S 05 48 01.044 +25 20 21.26 – V C57