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
2003-12-19 04:25:00 C 03 18 01.43 +18 32 57.3 17.3 d H72
2003-12-19 04:29:15 C 03 18 01.30 +18 32 51.8 17.8 d H72
2003-12-19 04:33:30 C 03 18 01.14 +18 32 46.7 16.4 d H72
2003-12-19 04:53:29 C 03 18 00.99 +18 32 20.9 17.8 c 704
2003-12-19 05:11:56 C 03 18 00.32 +18 31 57.8 17.7 c 704
2003-12-19 05:30:29 C 03 17 59.69 +18 31 34.5 17.8 c 704
2003-12-19 05:49:01 C 03 17 59.03 +18 31 10.7 17.9 c 704
2003-12-19 06:08:01 C 03 17 58.38 +18 30 47.5 17.7 c 704
2003-12-19 11:23:06 C 03 17 48.60 +18 24 15.3 18.0 c 608
2003-12-19 11:39:24 C 03 17 48.06 +18 23 54.4 18.0 c 608
2003-12-19 11:54:11 C 03 17 47.60 +18 23 35.7 18.0 c 608
2003-12-20 03:06:45 C 03 17 23.63 +18 04 36.5 o 699
2003-12-20 03:23:35 C 03 17 23.09 +18 04 15.4 o 699
2003-12-20 03:40:17 C 03 17 22.55 +18 03 55.0 o 699
2003-12-20 03:57:01 C 03 17 22.06 +18 03 34.2 o 699
2003-12-20 04:24:55 C 03 17 20.53 +18 03 02.8 17.2 d H72
2003-12-20 04:29:09 C 03 17 20.37 +18 02 56.7 17.4 d H72
2003-12-20 04:33:23 C 03 17 20.23 +18 02 51.5 17.6 d H72
2003-12-20 04:37:37 C 03 17 20.11 +18 02 46.7 17.3 d H72
2003-12-21 04:55:18 C 03 16 42.89 +17 32 34.8 17.9 c 704
2003-12-21 05:14:20 C 03 16 42.35 +17 32 11.0 18.1 c 704
2003-12-21 05:33:42 C 03 16 41.75 +17 31 47.2 17.9 c 704
2003-12-21 05:52:51 C 03 16 41.20 +17 31 23.2 18.0 c 704
2003-12-21 06:11:55 C 03 16 40.61 +17 30 59.5 18.0 c 704
2003-12-23 01:42:59 C 03 15 44.66 +16 37 23.0 o 699
2003-12-23 02:03:29 C 03 15 44.16 +16 36 57.9 o 699
2003-12-23 02:23:54 C 03 15 43.72 +16 36 33.6 o 699
2003-12-23 02:44:21 C 03 15 43.20 +16 36 08.5 o 699
2003-12-24 05:06:05 C 03 15 14.20 +16 04 01.6 18.4 c 704
2003-12-24 05:24:46 C 03 15 13.70 +16 03 40.9 18.0 c 704
2003-12-24 05:43:59 C 03 15 13.32 +16 03 17.3 18.2 c 704
2003-12-24 06:04:09 C 03 15 12.87 +16 02 52.4 18.2 c 704
2003-12-25 21:19:02 C 03 14 40.47 +15 15 38.2 r 170
2003-12-25 21:20:05 C 03 14 40.45 +15 15 36.9 r 170
2003-12-26 12:56:18 C 03 14 30.19 +14 57 29.5 17.0 r D85
2003-12-26 12:58:25 C 03 14 30.14 +14 57 25.9 17.0 r D85
2003-12-26 13:04:47 C 03 14 29.99 +14 57 19.1 17.0 r D85
2003-12-26 18:40:17 C 03 14 27.67 +14 50 16.5 c 130
2003-12-26 18:46:11 C 03 14 27.60 +14 50 09.6 c 130
2003-12-26 18:52:05 C 03 14 27.50 +14 50 02.7 c 130
2003-12-26 18:57:59 C 03 14 27.42 +14 49 55.8 c 130
2003-12-26 19:53:03 C 03 14 26.91 +14 48 51.3 r J87
2003-12-26 19:56:13 C 03 14 26.90 +14 48 49.7 r J87
2003-12-26 20:00:27 C 03 14 26.89 +14 48 43.3 r J87
2003-12-28 03:35:27 C 03 14 12.53 +14 11 52.0 d H72
2003-12-28 03:40:07 C 03 14 12.61 +14 11 44.3 17.1 d H72
2003-12-28 03:44:47 C 03 14 12.60 +14 11 38.8 16.6 d H72
2003-12-28 03:49:26 C 03 14 12.55 +14 11 33.2 16.7 d H72
2004-01-12 12:41:23 C 03 20 16.31 +07 54 12.2 r D85
2004-01-12 12:53:52 C 03 20 16.64 +07 54 01.1 r D85