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 02:13:54 s 1 -154289.37 5 +236342.36 2110.0 – C57
2021-11-30 02:23:54 S 05 48 10.507 +25 35 12.88 – V C57
2021-11-30 02:23:54 s 1 -154473.71 1 +235755.01 340.0 – C57
2021-11-30 02:33:54 S 05 48 10.217 +25 35 00.89 – V C57
2021-11-30 02:33:54 s 1 -154657.12 1 +235166.26 4670.0 – C57
2021-11-30 02:43:54 S 05 48 10.397 +25 34 47.96 – V C57
2021-11-30 02:43:54 s 1 -154839.60 2 +234576.11 5070.0 – C57
2021-11-30 02:53:54 S 05 48 10.188 +25 34 37.24 – V C57
2021-11-30 02:53:54 s 1 -155021.15 0 +233984.55 1540.0 – C57
2021-11-30 03:03:54 S 05 48 10.087 +25 34 26.90 – V C57
2021-11-30 03:03:54 s 1 -155201.75 9 +233391.59 4050.0 – C57
2021-11-30 03:13:54 S 05 48 10.010 +25 34 15.06 – V C57
2021-11-30 03:13:54 s 1 -155381.42 5 +232797.22 2590.0 – C57
2021-11-30 03:23:54 S 05 48 09.782 +25 34 04.87 – V C57
2021-11-30 03:23:54 s 1 -155560.14 3 +232201.45 7130.0 – C57
2021-11-30 03:33:54 S 05 48 09.696 +25 33 51.62 – V C57
2021-11-30 03:33:54 s 1 -155737.90 8 +231604.26 7650.0 – C57
2021-11-30 03:43:54 S 05 48 09.425 +25 33 40.50 – V C57
2021-11-30 03:43:54 s 1 -155914.71 6 +231005.66 4140.0 – C57
2021-11-30 03:53:54 S 05 48 09.158 +25 33 24.48 – V C57
2021-11-30 03:53:54 s 1 -156090.56 3 +230405.65 6580.0 – C57
2021-11-30 04:03:54 S 05 48 09.283 +25 33 14.76 – V C57
2021-11-30 04:03:54 s 1 -156265.44 2 +229804.21 4940.0 – C57
2021-11-30 04:13:54 S 05 48 09.134 +25 33 01.26 – V C57
2021-11-30 04:13:54 s 1 -156439.34 9 +229201.36 9210.0 – C57
2021-11-30 04:23:54 S 05 48 09.139 +25 32 54.82 – V C57
2021-11-30 04:23:54 s 1 -156612.28 0 +228597.09 9370.0 – C57
2021-11-30 04:33:54 S 05 48 08.998 +25 32 40.27 – V C57
2021-11-30 04:33:54 s 1 -156784.22 9 +227991.40 5400.0 – C57
2021-11-30 04:43:54 S 05 48 08.513 +25 32 31.92 – V C57
2021-11-30 04:43:54 s 1 -156955.19 2 +227384.28 7280.0 – C57
2021-11-30 04:53:54 S 05 48 08.630 +25 32 16.51 – V C57
2021-11-30 04:53:54 s 1 -157125.16 3 +226775.74 4980.0 – C57
2021-11-30 05:03:54 S 05 48 08.472 +25 32 07.04 – V C57
2021-11-30 05:03:54 s 1 -157294.13 8 +226165.77 8490.0 – C57
2021-11-30 05:23:54 S 05 48 08.218 +25 31 42.60 – V C57
2021-11-30 05:23:54 s 1 -157629.07 8 +224941.54 2860.0 – C57
2021-11-30 05:33:54 S 05 48 08.078 +25 31 31.58 – V C57
2021-11-30 05:33:54 s 1 -157795.03 3 +224327.27 3670.0 – C57
2021-11-30 05:43:54 S 05 48 07.822 +25 31 18.55 – V C57
2021-11-30 05:43:54 s 1 -157959.97 2 +223711.57 200.0 – C57
2021-11-30 05:53:54 S 05 48 07.879 +25 31 08.15 – V C57
2021-11-30 05:53:54 s 1 -158123.88 8 +223094.43 2440.0 – C57
2021-11-30 06:03:54 S 05 48 07.790 +25 30 55.26 – V C57
2021-11-30 06:03:54 s 1 -158286.77 7 +222475.85 370.0 – C57
2021-11-30 06:13:54 S 05 48 07.565 +25 30 45.83 – V C57
2021-11-30 06:13:54 s 1 -158448.63 4 +221855.83 3950.0 – C57
2021-11-30 06:23:54 S 05 48 07.351 +25 30 31.79 – V C57
2021-11-30 06:23:54 s 1 -158609.45 3 +221234.37 3180.0 – C57
2021-11-30 06:33:54 S 05 48 07.286 +25 30 19.48 – V C57