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
2008-11-23 03:27:06 C 00 29 39.73 +18 31 59.8 r G96
2008-11-23 03:32:11 C 00 29 39.66 +18 31 56.6 r G96
2008-11-23 03:37:17 C 00 29 39.58 +18 31 53.4 r G96
2008-11-23 03:42:25 C 00 29 39.51 +18 31 49.9 r G96
2008-11-26 17:29:08 C 00 28 55.87 +17 37 30.7 r B67
2008-11-26 17:35:54 C 00 28 55.78 +17 37 26.4 r B67
2008-11-26 17:43:05 C 00 28 55.83 +17 37 22.5 r B67
2013-09-02 13:02:31 C 00 19 43.375 +22 54 15.36 L F51
2013-09-02 13:20:11 C 00 19 42.701 +22 54 15.77 L F51
2013-10-01 07:26:18 C 23 45 59.97 +20 38 57.1 q 703
2013-10-01 07:34:09 C 23 45 59.53 +20 38 53.8 q 703
2013-10-01 07:42:06 C 23 45 59.28 +20 38 47.9 q 703
2013-10-01 07:50:02 C 23 45 58.76 +20 38 46.4 q 703
2013-10-10 19:47:01 C 23 34 10.26 +18 54 21.5 q D00
2013-10-10 20:03:00 C 23 34 09.71 +18 54 14.1 q D00
2013-10-10 20:18:59 C 23 34 08.94 +18 54 06.1 q D00
2013-10-10 20:34:59 C 23 34 08.24 +18 53 59.0 q D00
2013-10-25 12:55:41 C 23 20 07.99 +15 46 37.2 q D29
2013-10-25 13:24:18 C 23 20 07.21 +15 46 23.6 q D29
2013-10-25 13:52:57 C 23 20 06.35 +15 46 09.1 q D29
2013-11-07 10:53:49 C 23 14 08.35 +13 08 05.5 q D29
2013-11-07 11:22:26 C 23 14 07.99 +13 07 51.0 q D29
2013-11-07 11:51:05 C 23 14 07.79 +13 07 36.9 q D29
2015-06-28 12:03:54 C 21 24 30.455 -01 15 12.11 L F51
2015-06-28 12:04:49 C 21 24 30.471 -01 15 11.88 L F51
2015-06-28 12:21:39 C 21 24 29.991 -01 15 09.42 L F51
2015-06-28 12:22:34 C 21 24 29.971 -01 15 09.05 L F51
2015-06-28 12:40:21 C 21 24 29.477 -01 15 06.54 L F51
2015-06-28 12:57:16 C 21 24 29.022 -01 15 03.85 L F51
2015-10-18 00:18:11 C 20 13 30.11 -06 30 13.7 u H21
2015-10-18 00:35:42 C 20 13 30.47 -06 30 15.3 u H21
2015-10-18 00:52:37 C 20 13 30.83 -06 30 17.0 u H21
2016-10-20 10:01:31 C 08 32 32.79 +18 14 42.5 q G96
2016-10-20 10:09:19 C 08 32 33.89 +18 14 34.6 q G96
2016-10-20 10:21:46 C 08 32 35.68 +18 14 22.4 q G96
2016-10-20 10:29:28 C 08 32 36.76 +18 14 14.6 q G96
2016-11-02 11:22:37 C 09 18 03.92 +12 23 00.8 q 703
2016-11-02 11:34:09 C 09 18 05.56 +12 22 45.1 q 703
2016-11-02 11:39:55 C 09 18 06.50 +12 22 38.0 q 703
2016-11-09 12:03:38 C 09 42 43.31 +08 41 13.6 q 703
2016-11-09 12:12:20 C 09 42 44.59 +08 41 03.3 q 703
2016-11-09 12:21:00 C 09 42 45.80 +08 40 51.0 q 703
2016-11-09 12:29:40 C 09 42 47.03 +08 40 38.7 q 703
2017-02-16 17:20:13 S 15 31 09.86 -38 26 19.9 L C51
2017-02-16 20:28:54 S 15 31 32.97 -38 27 24.6 L C51
2017-02-17 05:54:35 S 15 32 41.33 -38 30 39.7 L C51
2017-02-17 13:46:12 S 15 33 38.42 -38 33 17.1 L C51
2017-02-17 15:20:27 S 15 33 49.74 -38 33 47.3 L C51
2017-02-17 23:12:05 S 15 34 46.38 -38 36 25.3 L C51
2017-02-18 00:46:20 S 15 34 57.82 -38 36 54.5 L C51