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
1998-12-07 08:03:52 C 10 20 22.218 -01 37 04.00 l I02
1998-12-23 10:01:16 C 11 15 41.57 -14 08 34.2 18.2 a 704
1998-12-23 10:16:27 C 11 15 43.71 -14 09 05.8 19.0 a 704
1998-12-23 10:31:34 C 11 15 45.85 -14 09 33.2 19.1 a 704
1998-12-23 10:46:40 C 11 15 47.98 -14 10 00.4 19.0 a 704
1998-12-23 11:01:45 C 11 15 50.07 -14 10 33.6 19.1 a 704
1998-12-24 03:17:11 C 11 18 11.44 -14 42 23.2 046
1998-12-24 03:21:57 C 11 18 12.03 -14 42 33.3 046
1998-12-24 03:28:14 C 11 18 12.94 -14 42 45.0 046
1998-12-24 03:29:55 C 11 18 13.18 -14 42 48.7 046
1998-12-24 03:45:00 C 11 18 15.27 -14 43 17.9 557
1998-12-24 03:47:11 C 11 18 15.57 -14 43 22.0 557
1998-12-24 03:49:22 C 11 18 15.83 -14 43 25.4 557
1998-12-25 17:07:26 C 11 23 41.22 -15 55 44.5 422
1998-12-25 17:08:36 C 11 23 41.45 -15 55 47.1 422
1998-12-25 17:09:40 C 11 23 41.56 -15 55 48.9 422
1998-12-25 17:11:10 C 11 23 41.78 -15 55 52.0 422
1998-12-27 18:29:50 C 11 30 52.28 -17 31 23.8 z 402
1998-12-27 18:31:51 C 11 30 52.58 -17 31 28.3 z 402
1998-12-27 18:33:51 C 11 30 52.89 -17 31 32.1 z 402
1998-12-27 18:35:51 C 11 30 53.17 -17 31 35.9 z 402
1998-12-28 17:46:07 C 11 34 16.18 -18 15 57.1 z 402
1998-12-28 17:48:08 C 11 34 16.46 -18 16 00.8 z 402
1998-12-28 17:50:08 C 11 34 16.75 -18 16 04.6 z 402
1998-12-28 17:52:08 C 11 34 17.02 -18 16 08.8 z 402
1999-01-10 17:13:05 C 12 20 04.38 -27 35 38.3 z 428
1999-01-10 17:21:08 C 12 20 05.52 -27 35 51.6 z 428
1999-01-13 17:07:15 C 12 30 41.90 -29 32 15.3 z 428
1999-01-13 17:20:30 C 12 30 43.76 -29 32 36.6 z 428
1999-01-15 17:38:47 C 12 37 51.53 -30 47 42.6 b 426
1999-01-15 17:47:45 C 12 37 52.80 -30 47 56.2 b 426
1999-01-15 17:56:23 C 12 37 54.05 -30 48 09.6 b 426
1999-01-18 04:51:24 C 12 46 34.95 -32 16 07.4 859
1999-01-18 04:58:34 C 12 46 35.95 -32 16 18.2 859
1999-01-18 05:06:42 C 12 46 37.04 -32 16 29.4 859
1999-01-19 17:25:26 C 12 51 56.45 -33 08 35.2 z 428
1999-01-19 17:34:16 C 12 51 57.70 -33 08 47.6 z 428
1999-02-10 17:55:18 C 14 06 08.64 -42 42 12.7 426
1999-02-10 18:04:52 C 14 06 09.83 -42 42 20.3 426
1999-02-10 18:13:28 C 14 06 10.89 -42 42 27.2 426
1999-02-12 16:26:15 C 14 12 07.00 -43 16 39.9 z 428
1999-02-12 16:35:49 C 14 12 08.20 -43 16 47.4 z 428
1999-02-12 17:03:38 C 14 12 11.60 -43 17 06.5 z 428
1999-02-12 17:12:09 C 14 12 12.71 -43 17 14.2 z 428
1999-02-16 17:49:39 C 14 24 08.07 -44 20 57.0 422
1999-02-16 17:52:23 C 14 24 08.29 -44 20 58.4 422
1999-02-16 17:58:06 C 14 24 09.06 -44 21 01.7 422
1999-03-18 17:13:42 C 15 23 27.06 -47 25 25.0 z 428
1999-03-18 17:20:18 C 15 23 27.20 -47 25 25.1 z 428
1999-03-18 17:27:00 C 15 23 27.38 -47 25 24.7 z 428