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
2021-11-29 08:03:54 s 1 -129519.19 9 +292344.58 5800.0 C57
2021-11-29 08:13:54 S 05 48 25.166 +25 55 55.31 V C57
2021-11-29 08:13:54 s 1 -129782.00 9 +291899.92 8610.0 C57
2021-11-29 08:23:54 S 05 48 25.164 +25 55 42.46 V C57
2021-11-29 08:23:54 s 1 -130044.26 3 +291454.04 9020.0 C57
2021-11-29 08:33:54 S 05 48 24.869 +25 55 32.52 V C57
2021-11-29 08:33:54 s 1 -130305.95 9 +291006.92 7010.0 C57
2021-11-29 08:43:54 S 05 48 24.679 +25 55 20.86 V C57
2021-11-29 08:43:54 s 1 -130567.09 5 +290558.57 2590.0 C57
2021-11-29 08:53:54 S 05 48 24.418 +25 55 12.25 V C57
2021-11-29 08:53:54 s 1 -130827.66 8 +290108.98 5740.0 C57
2021-11-29 09:03:54 S 05 48 24.660 +25 54 59.47 V C57
2021-11-29 09:03:54 s 1 -131087.67 5 +289658.16 6440.0 C57
2021-11-29 09:13:54 S 05 48 24.494 +25 54 48.60 V C57
2021-11-29 09:13:54 s 1 -131347.11 5 +289206.11 4690.0 C57
2021-11-29 09:23:54 S 05 48 24.278 +25 54 37.08 V C57
2021-11-29 09:23:54 s 1 -131605.98 3 +288752.81 490.0 C57
2021-11-29 09:33:54 S 05 48 24.082 +25 54 24.88 V C57
2021-11-29 09:33:54 s 1 -131864.27 9 +288298.28 3800.0 C57
2021-11-29 09:43:54 S 05 48 23.981 +25 54 13.43 V C57
2021-11-29 09:43:54 s 1 -132121.99 9 +287842.51 4640.0 C57
2021-11-29 09:53:54 S 05 48 23.906 +25 54 05.76 V C57
2021-11-29 09:53:54 s 1 -132379.14 0 +287385.49 2980.0 C57
2021-11-29 10:03:54 S 05 48 24.005 +25 53 50.82 V C57
2021-11-29 10:03:54 s 1 -132635.70 0 +286927.23 8820.0 C57
2021-11-29 10:13:54 S 05 48 23.729 +25 53 39.66 V C57
2021-11-29 10:13:54 s 1 -132891.67 6 +286467.73 2140.0 C57
2021-11-29 10:23:54 S 05 48 23.659 +25 53 29.54 V C57
2021-11-29 10:23:54 s 1 -133147.06 6 +286006.98 2940.0 C57
2021-11-29 10:33:54 S 05 48 23.376 +25 53 19.93 V C57
2021-11-29 10:33:54 s 1 -133401.86 7 +285544.99 1200.0 C57
2021-11-29 10:43:54 S 05 48 23.227 +25 53 08.45 V C57
2021-11-29 10:43:54 s 1 -133656.07 7 +285081.74 6910.0 C57
2021-11-29 10:53:54 S 05 48 23.129 +25 52 55.81 V C57
2021-11-29 10:53:54 s 1 -133909.69 1 +284617.25 60.0 C57
2021-11-29 11:03:54 S 05 48 22.906 +25 52 43.68 V C57
2021-11-29 11:03:54 s 1 -134162.70 9 +284151.50 650.0 C57
2021-11-29 11:13:54 S 05 48 22.870 +25 52 33.02 V C57
2021-11-29 11:13:54 s 1 -134415.12 7 +283684.51 8650.0 C57
2021-11-29 11:23:54 S 05 48 22.735 +25 52 22.66 V C57
2021-11-29 11:23:54 s 1 -134666.94 2 +283216.26 4060.0 C57
2021-11-29 11:33:54 S 05 48 22.519 +25 52 11.86 V C57
2021-11-29 11:33:54 s 1 -134918.15 2 +282746.75 6870.0 C57
2021-11-29 11:43:54 S 05 48 22.258 +25 51 56.02 V C57
2021-11-29 11:43:54 s 1 -135168.75 4 +282275.98 7060.0 C57
2021-11-29 11:53:54 S 05 48 22.157 +25 51 47.52 V C57
2021-11-29 11:53:54 s 1 -135418.74 5 +281803.96 4630.0 C57
2021-11-29 12:13:54 S 05 48 21.936 +25 51 25.20 V C57
2021-11-29 12:13:54 s 1 -135916.88 4 +280856.14 1840.0 C57
2021-11-29 12:23:54 S 05 48 21.979 +25 51 12.53 V C57