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
2021-11-25 14:23:55 S 05 49 28.070 +27 27 00.14 – V C57
2021-11-25 14:23:55 s 1 +49819.106 0 +373936.66 310.0 – C57
2021-11-25 14:33:55 S 05 49 28.092 +27 26 50.39 – V C57
2021-11-25 14:33:55 s 1 +49472.422 0 +374057.69 4930.0 – C57
2021-11-25 14:43:55 S 05 49 27.626 +27 26 43.98 – V C57
2021-11-25 14:43:55 s 1 +49125.608 0 +374177.71 9210.0 – C57
2021-11-25 14:53:55 S 05 49 27.576 +27 26 31.67 – V C57
2021-11-25 14:53:55 s 1 +48778.665 0 +374296.74 3160.0 – C57
2021-11-25 15:03:55 S 05 49 27.722 +27 26 24.40 – V C57
2021-11-25 15:03:55 s 1 +48431.594 0 +374414.76 6770.0 – C57
2021-11-25 15:13:55 S 05 49 27.869 +27 26 14.17 – V C57
2021-11-25 15:13:55 s 1 +48084.396 0 +374531.78 50.0 – C57
2021-11-25 15:23:55 S 05 49 27.638 +27 26 08.77 – V C57
2021-11-25 15:23:55 s 1 +47737.072 0 +374647.79 3000.0 – C57
2021-11-25 15:33:55 S 05 49 27.574 +27 25 57.36 – V C57
2021-11-25 15:33:55 s 1 +47389.623 0 +374762.81 5630.0 – C57
2021-11-25 15:43:55 S 05 49 27.554 +27 25 49.48 – V C57
2021-11-25 15:43:55 s 1 +47042.051 0 +374876.82 7940.0 – C57
2021-11-25 15:53:55 S 05 49 27.442 +27 25 40.04 – V C57
2021-11-25 15:53:55 s 1 +46694.355 0 +374989.83 9930.0 – C57
2021-11-25 16:03:55 S 05 49 27.382 +27 25 29.86 – V C57
2021-11-25 16:03:55 s 1 +46346.538 0 +375101.84 1620.0 – C57
2021-11-25 16:13:55 S 05 49 27.350 +27 25 21.43 – V C57
2021-11-25 16:13:55 s 1 +45998.600 0 +375212.85 2990.0 – C57
2021-11-25 16:23:55 S 05 49 27.134 +27 25 10.96 – V C57
2021-11-25 16:23:55 s 1 +45650.542 0 +375322.86 4070.0 – C57
2021-11-25 16:33:55 S 05 49 27.067 +27 25 06.71 – V C57
2021-11-25 16:33:55 s 1 +45302.366 0 +375431.87 4840.0 – C57
2021-11-25 16:43:55 S 05 49 27.106 +27 24 53.50 – V C57
2021-11-25 16:43:55 s 1 +44954.071 0 +375539.87 5320.0 – C57
2021-11-25 16:53:55 S 05 49 26.983 +27 24 41.83 – V C57
2021-11-25 16:53:55 s 1 +44605.660 0 +375646.88 5510.0 – C57
2021-11-25 17:03:55 S 05 49 26.923 +27 24 34.34 – V C57
2021-11-25 17:03:55 s 1 +44257.133 0 +375752.88 5410.0 – C57
2021-11-25 17:13:55 S 05 49 26.657 +27 24 25.78 – V C57
2021-11-25 17:13:55 s 1 +43908.492 0 +375857.89 5030.0 – C57
2021-11-25 17:23:55 S 05 49 26.609 +27 24 16.74 – V C57
2021-11-25 17:23:55 s 1 +43559.736 0 +375961.90 4360.0 – C57
2021-11-25 17:33:55 S 05 49 26.602 +27 24 11.74 – V C57
2021-11-25 17:33:55 s 1 +43210.868 0 +376064.90 3420.0 – C57
2021-11-25 17:43:55 S 05 49 26.472 +27 23 58.92 – V C57
2021-11-25 17:43:55 s 1 +42861.888 0 +376166.91 2210.0 – C57
2021-11-25 17:53:55 S 05 49 26.254 +27 23 49.85 – V C57
2021-11-25 17:53:55 s 1 +42512.797 0 +376267.92 730.0 – C57
2021-11-25 18:03:55 S 05 49 26.515 +27 23 36.56 – V C57
2021-11-25 18:03:55 s 1 +42163.596 0 +376367.93 8980.0 – C57
2021-11-25 18:13:55 S 05 49 26.117 +27 23 29.69 – V C57
2021-11-25 18:13:55 s 1 +41814.287 0 +376466.94 6970.0 – C57
2021-11-25 19:23:55 S 05 49 25.714 +27 22 25.90 – V C57
2021-11-25 19:23:55 s 1 +39366.159 0 +377132.05 5920.0 – C57