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
2017-02-18 02:20:35 S 15 35 09.11 -38 37 24.4 L C51
2017-02-18 11:46:27 S 15 36 16.45 -38 40 27.0 L C51
2017-04-27 15:17:26 C 16 37 55.97 -35 18 28.7 q Q60
2017-04-27 15:26:32 C 16 37 55.43 -35 18 23.4 q Q60
2017-04-27 15:35:33 C 16 37 54.83 -35 18 18.1 q Q60
2017-05-21 01:56:52 C 16 01 40.71 -28 39 14.3 q W98
2017-05-21 02:29:49 C 16 01 38.60 -28 38 49.9 q W98
2017-05-21 03:06:54 C 16 01 36.14 -28 38 20.0 q W98
2017-05-21 09:37:05 C 16 01 11.279 -28 33 20.87 L F51
2017-05-21 09:52:16 C 16 01 10.263 -28 33 08.96 L F51
2017-05-21 10:07:27 C 16 01 09.242 -28 32 57.00 L F51
2017-05-21 10:22:38 C 16 01 08.222 -28 32 45.04 L F51
2017-05-24 11:55:57 C 15 56 37.10 -27 34 51.0 L T08
2017-05-24 12:19:03 C 15 56 35.63 -27 34 33.3 L T08
2017-05-24 12:42:56 C 15 56 34.19 -27 34 13.2 L T08
2017-05-24 13:06:51 C 15 56 32.63 -27 33 54.9 L T08
2017-05-29 02:45:12 C 15 50 24.53 -26 09 10.0 o W92
2017-05-29 03:08:26 C 15 50 23.21 -26 08 52.9 o W92
2017-05-30 10:56:15 C 15 48 44.52 -25 45 07.6 L T05
2017-05-30 11:20:34 C 15 48 43.23 -25 44 48.8 L T05
2017-05-30 11:44:07 C 15 48 41.96 -25 44 30.8 L T05
2017-05-30 12:07:43 C 15 48 40.68 -25 44 12.8 L T05
2017-06-02 05:25:45 C 15 45 33.81 -24 56 23.9 q 703
2017-06-02 05:34:16 C 15 45 33.42 -24 56 17.7 q 703
2017-06-02 05:42:45 C 15 45 32.96 -24 56 11.1 q 703
2017-06-02 05:51:10 C 15 45 32.58 -24 56 05.7 q 703
2017-07-01 04:32:10 C 15 32 16.02 -18 53 56.4 q G96
2017-07-01 04:34:11 C 15 32 16.03 -18 53 55.4 q G96
2017-07-01 04:38:19 C 15 32 16.05 -18 53 54.1 q G96
2017-07-01 04:40:21 C 15 32 16.04 -18 53 53.6 q G96
2017-07-01 04:44:30 C 15 32 16.08 -18 53 52.4 q G96
2017-07-01 04:46:31 C 15 32 16.08 -18 53 51.6 q G96
2017-07-01 04:50:39 C 15 32 16.10 -18 53 50.2 q G96
2017-07-01 04:52:42 C 15 32 16.07 -18 53 49.6 q G96
2017-07-15 07:50:38 C 15 37 18.218 -17 35 42.01 L F51
2017-07-15 08:07:57 C 15 37 18.586 -17 35 39.31 L F51
2017-07-15 08:08:53 C 15 37 18.607 -17 35 39.14 L F51
2017-07-15 08:25:07 C 15 37 18.956 -17 35 36.62 L F51
2017-07-15 08:26:03 C 15 37 18.973 -17 35 36.45 L F51
2017-07-15 08:45:19 C 15 37 19.390 -17 35 33.39 L F51
2017-07-15 08:46:15 C 15 37 19.418 -17 35 33.18 L F51
2018-09-09 06:29:55 C 23 02 10.30 +15 37 38.0 V 703
2018-09-09 06:37:29 C 23 02 09.99 +15 37 36.1 V 703
2018-09-09 06:45:03 C 23 02 09.45 +15 37 34.0 V 703
2018-09-09 06:52:37 C 23 02 09.11 +15 37 32.6 V 703
2018-09-10 05:15:17 C 23 01 00.27 +15 31 37.3 V G96
2018-09-10 05:22:43 C 23 00 59.92 +15 31 35.1 V G96
2018-09-10 05:30:08 C 23 00 59.52 +15 31 33.3 V G96
2018-09-10 05:37:35 C 23 00 59.11 +15 31 31.4 V G96
2018-10-05 03:50:17 C 22 33 07.17 +11 45 10.3 V G96