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
1999-04-17 18:33:19 C 15 14 40.66 -42 10 18.5 426
1999-04-17 18:38:43 C 15 14 40.41 -42 10 14.1 426
1999-04-17 18:41:30 C 15 14 40.31 -42 10 12.3 426
1999-04-17 18:44:17 C 15 14 40.06 -42 10 10.1 426
1999-05-08 11:44:45 C 14 48 54.05 -33 40 39.8 z 428
1999-05-08 11:49:23 C 14 48 53.84 -33 40 34.2 z 428
1999-05-13 14:26:30 C 14 43 50.02 -31 23 44.9 360
1999-05-13 14:30:00 C 14 43 49.88 -31 23 41.0 360
1999-05-13 14:43:15 C 14 43 49.35 -31 23 26.4 360
1999-06-12 11:00:51 C 14 35 56.45 -21 05 49.6 z 428
1999-06-12 11:09:36 C 14 35 56.59 -21 05 44.5 z 428
2000-09-19 14:19:39 C 22 29 46.93 +11 57 01.9 413
2000-09-19 14:22:55 C 22 29 46.80 +11 57 00.9 413
2000-09-20 13:56:40 C 22 28 41.88 +11 48 01.9 413
2000-09-20 14:00:25 C 22 28 41.70 +11 48 00.6 413
2000-09-20 14:04:11 C 22 28 41.53 +11 47 59.1 413
2000-09-20 14:07:57 C 22 28 41.35 +11 47 57.4 413
2000-09-20 14:11:43 C 22 28 41.17 +11 47 56.2 413
2002-07-02 08:49:32 C 20 14 39.44 -07 25 44.8 o 644
2002-07-02 09:04:58 C 20 14 38.65 -07 25 43.5 o 644
2002-07-11 05:29:25 C 20 03 37.04 -07 17 37.1 o 644
2003-10-08 08:16:09 C 04 06 37.29 +34 43 42.7 c 673
2003-10-08 08:25:09 C 04 06 37.52 +34 43 44.1 c 673
2003-10-08 08:34:09 C 04 06 37.74 +34 43 45.0 c 673
2003-10-09 07:18:20 C 04 07 13.58 +34 45 59.8 c 673
2003-10-09 07:28:30 C 04 07 13.83 +34 46 00.9 c 673
2003-10-09 07:37:30 C 04 07 14.06 +34 46 02.0 c 673
2003-10-09 07:46:19 C 04 07 14.30 +34 46 03.1 c 673
2003-10-09 07:55:10 C 04 07 14.52 +34 46 04.0 c 673
2003-11-02 01:27:20 C 04 09 42.15 +34 19 14.3 r 170
2003-11-02 01:29:57 C 04 09 42.08 +34 19 13.6 r 170
2003-11-03 08:03:33 C 04 09 03.70 +34 11 35.5 18.1 c 704
2003-11-03 08:21:38 C 04 09 03.23 +34 11 30.3 18.4 c 704
2003-11-03 08:57:41 C 04 09 02.18 +34 11 21.3 18.4 c 704
2003-11-17 06:40:35 C 03 56 52.84 +31 45 12.6 c 670
2003-11-17 08:14:33 C 03 56 47.76 +31 44 13.9 c 670
2003-11-19 06:13:18 C 03 54 28.50 +31 13 50.8 17.1 c 704
2003-11-19 06:31:23 C 03 54 27.46 +31 13 38.3 17.3 c 704
2003-11-19 06:49:16 C 03 54 26.47 +31 13 25.3 17.2 c 704
2003-11-19 07:07:32 C 03 54 25.40 +31 13 13.5 17.3 c 704
2003-11-19 07:25:49 C 03 54 24.38 +31 13 00.9 17.6 c 704
2003-11-20 07:48:35 C 03 53 07.36 +30 55 47.1 c 691
2003-11-20 08:32:19 C 03 53 04.81 +30 55 15.2 c 691
2003-11-20 09:11:05 C 03 53 02.58 +30 54 46.7 c 691
2003-11-22 17:36:14 C 03 49 59.21 +30 11 44.5 c 104
2003-11-22 17:43:12 C 03 49 58.88 +30 11 39.8 c 104
2003-11-22 17:52:27 C 03 49 58.30 +30 11 32.3 c 104
2003-11-24 19:14:30 C 03 47 10.59 +29 30 40.5 c 113
2003-11-24 19:16:34 C 03 47 10.49 +29 30 38.3 c 113
2003-11-24 19:18:40 C 03 47 10.36 +29 30 37.3 c 113