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
2023-09-06 11:08:47 C 22 07 29.186 +09 13 24.20 X F52
2023-09-06 11:25:37 C 22 07 28.354 +09 13 19.16 X F52
2023-09-06 11:42:26 C 22 07 27.515 +09 13 14.04 X F52
2023-09-08 07:34:16 C 22 05 21.517 +08 59 48.29 X F51
2023-09-08 07:47:07 C 22 05 20.876 +08 59 44.31 X F51
2023-09-08 07:59:48 C 22 05 20.257 +08 59 40.28 X F51
2023-09-08 08:12:21 C 22 05 19.648 +08 59 36.46 X F51
2023-09-11 07:49:55 C 22 01 58.614 +08 36 32.07 X F52
2023-09-11 08:05:44 C 22 01 57.867 +08 36 26.85 X F52
2023-09-11 08:21:28 C 22 01 57.119 +08 36 21.65 X F52
2023-09-17 05:22:14 C 21 55 46.895 +07 47 39.70 V G96
2023-09-17 06:05:37 C 21 55 45.012 +07 47 24.32 V G96
2023-09-17 06:13:47 C 21 55 44.627 +07 47 21.55 V G96
2023-09-17 06:59:39 C 21 55 42.961 +07 47 06.31 X F52
2023-09-17 07:17:15 C 21 55 42.195 +07 46 59.92 X F52
2023-09-17 07:34:54 C 21 55 41.449 +07 46 53.69 X F52
2023-09-17 07:52:36 C 21 55 40.692 +07 46 47.34 X F52
2023-09-18 04:15:04 C 21 54 50.738 +07 39 28.48 V G96
2023-09-18 04:23:16 C 21 54 50.396 +07 39 25.13 V G96
2023-09-18 04:31:28 C 21 54 50.047 +07 39 22.10 V G96
2023-09-18 04:39:39 C 21 54 49.698 +07 39 19.19 V G96
2023-10-08 05:40:48 C 21 40 43.169 +04 45 02.34 X F52
2023-10-08 05:58:36 C 21 40 42.839 +04 44 56.24 X F52
2023-10-08 06:34:27 C 21 40 42.182 +04 44 43.76 X F52
2023-11-05 05:26:04 C 21 41 21.763 +01 46 57.14 X F51
2023-11-05 05:46:53 C 21 41 22.110 +01 46 53.70 X F51
2023-11-05 06:06:01 C 21 41 22.434 +01 46 50.31 X F51
2023-11-05 06:25:07 C 21 41 22.748 +01 46 47.16 X F51
2025-05-28 12:59:35 C 20 05 33.136 -13 07 31.32 X F51
2025-05-28 13:19:50 C 20 05 32.691 -13 07 26.47 X F51
2025-05-28 13:40:01 C 20 05 32.269 -13 07 21.82 X F51
2025-06-04 13:21:18 C 20 01 23.011 -12 30 19.48 X F52
2025-06-04 13:37:54 C 20 01 22.495 -12 30 15.92 X F52
2025-06-04 13:38:49 C 20 01 22.471 -12 30 15.51 X F52
2025-06-04 13:55:22 C 20 01 21.944 -12 30 12.15 X F52
2025-06-04 13:56:17 C 20 01 21.908 -12 30 12.24 X F52
2025-06-04 14:12:54 C 20 01 21.385 -12 30 08.62 X F52