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
2018-10-05 03:58:16 C 22 33 06.88 +11 45 06.6 V G96
2018-10-05 04:06:16 C 22 33 06.56 +11 45 02.9 V G96
2018-10-05 04:14:16 C 22 33 06.28 +11 44 59.5 V G96
2018-11-05 06:51:30 C 22 21 35.193 +06 50 15.61 U F52
2018-11-05 07:12:00 C 22 21 35.304 +06 50 09.72 U F52
2018-11-05 07:32:35 C 22 21 35.389 +06 50 03.43 U F52
2018-11-05 07:52:58 C 22 21 35.503 +06 49 57.47 U F52
2018-11-07 04:20:22 C 22 21 55.75 +06 36 58.9 V G96
2018-11-07 04:28:02 C 22 21 55.80 +06 36 56.6 V G96
2018-11-07 04:35:42 C 22 21 55.91 +06 36 53.3 V G96
2018-11-07 04:43:23 C 22 21 55.98 +06 36 51.9 V G96
2018-11-11 02:45:06 C 22 23 00.46 +06 11 45.1 V G96
2018-11-11 02:53:25 C 22 23 00.49 +06 11 43.1 V G96
2018-11-11 03:01:42 C 22 23 00.64 +06 11 41.2 V G96
2018-11-11 03:10:00 C 22 23 00.79 +06 11 39.3 V G96
2018-11-12 05:05:51 C 22 23 23.609 +06 05 18.18 U F52
2018-11-12 05:23:36 C 22 23 23.873 +06 05 13.83 U F52
2018-11-12 05:41:19 C 22 23 24.099 +06 05 09.58 U F52
2018-11-12 05:59:02 C 22 23 24.363 +06 05 05.24 U F52
2020-06-14 10:23:04 C 20 46 45.391 -06 45 38.92 U F51
2020-06-14 10:38:54 C 20 46 44.979 -06 45 35.73 U F51
2020-06-14 10:54:46 C 20 46 44.570 -06 45 32.97 U F51
2020-06-14 11:10:41 C 20 46 44.159 -06 45 30.09 U F51
2020-06-22 11:36:16 C 20 40 58.664 -06 14 18.84 U F51
2020-06-22 11:55:35 C 20 40 57.968 -06 14 16.35 U F51
2020-06-22 12:14:56 C 20 40 57.259 -06 14 13.63 U F51
2020-07-13 09:01:09 C 20 18 25.369 -05 40 33.79 U F52
2020-07-13 09:17:14 C 20 18 24.508 -05 40 33.78 U F52
2020-07-13 09:33:20 C 20 18 23.645 -05 40 33.98 U F52
2020-07-13 09:49:24 C 20 18 22.770 -05 40 33.74 U F52
2020-07-19 09:01:03 C 20 10 44.717 -05 43 51.58 U F51
2020-07-19 09:16:55 C 20 10 43.843 -05 43 52.38 U F51
2020-07-19 09:32:47 C 20 10 42.961 -05 43 53.03 U F51
2021-10-13 02:53:06 C 05 11 36.09 +33 39 53.0 Z C95
2021-10-13 02:59:06 C 05 11 36.46 +33 39 52.2 Z C95
2021-10-13 03:05:06 C 05 11 36.84 +33 39 52.1 Z C95
2021-10-15 10:39:04 C 05 15 02.88 +33 37 32.5 U I41
2021-10-15 11:59:30 C 05 15 07.53 +33 37 28.2 U I41
2021-10-17 10:49:33 C 05 17 56.28 +33 34 25.8 U I41
2021-10-17 11:30:04 C 05 17 58.54 +33 34 22.8 U I41
2021-11-05 12:22:44 C 05 40 15.09 +32 02 51.5 V T05
2021-11-05 12:27:22 C 05 40 15.29 +32 02 50.6 V T05
2021-11-05 12:35:16 C 05 40 15.54 +32 02 47.4 V T05
2021-11-05 12:57:27 C 05 40 16.22 +32 02 39.7 V T05
2021-11-07 10:49:37 C 05 41 51.98 +31 45 38.7 V T08
2021-11-07 10:53:36 C 05 41 52.13 +31 45 37.0 V T08
2021-11-07 10:58:56 C 05 41 52.30 +31 45 35.6 V T08
2021-11-07 11:33:36 C 05 41 53.29 +31 45 21.7 V T08
2021-11-09 11:34:47 C 05 43 23.82 +31 25 37.0 V T05
2021-11-09 11:37:25 C 05 43 23.94 +31 25 36.4 V T05