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
2004-03-15 19:13:42 C 05 54 38.28 -03 24 30.7 r 240
2004-03-16 02:44:29 C 05 55 46.93 -03 25 57.6 18.4 c 704
2004-03-16 03:00:14 C 05 55 49.25 -03 26 00.8 18.8 c 704
2004-03-16 03:15:59 C 05 55 51.61 -03 26 03.2 18.7 c 704
2004-03-16 03:31:47 C 05 55 53.97 -03 26 06.9 18.7 c 704
2004-03-16 03:47:38 C 05 55 56.34 -03 26 09.7 18.8 c 704
2004-03-16 19:49:36 C 05 58 23.60 -03 29 24.3 o 151
2004-03-16 19:51:06 C 05 58 23.81 -03 29 25.0 o 151
2004-03-16 19:52:07 C 05 58 23.96 -03 29 25.6 o 151
2004-03-16 19:55:38 C 05 58 24.49 -03 29 25.7 o 151
2004-03-16 19:56:39 C 05 58 24.54 -03 29 26.0 o 151
2004-04-16 03:07:23 C 08 00 04.72 -05 21 07.6 18.8 c 704
2004-04-16 03:23:11 C 08 00 07.49 -05 21 11.6 19.8 c 704
2004-04-16 03:38:51 C 08 00 10.22 -05 21 11.6 18.7 c 704
2004-04-16 03:54:37 C 08 00 12.88 -05 21 14.0 19.0 c 704
2004-04-17 11:26:27 C 08 05 44.16 -05 24 52.0 r E17
2004-04-17 11:31:34 C 08 05 45.07 -05 24 52.8 r E17
2004-04-17 11:35:51 C 08 05 45.85 -05 24 53.2 r E17
2004-04-19 09:00:32 C 08 13 43.66 -05 30 32.4 r 428
2004-04-19 09:03:57 C 08 13 44.21 -05 30 32.9 r 428
2004-04-19 09:07:22 C 08 13 44.76 -05 30 33.3 r 428
2004-04-19 09:10:55 C 08 13 45.39 -05 30 33.6 r 428
2005-09-26 03:15:53 C 21 32 46.728 +04 34 28.48 e 645
2005-09-26 03:20:53 C 21 32 46.588 +04 34 26.63 22.15 e 645
2005-11-01 02:40:18 C 21 28 51.547 +00 40 32.31 e 645
2005-11-01 02:45:18 C 21 28 51.629 +00 40 31.53 22.68 e 645
2005-11-06 02:53:44 C 21 31 13.192 +00 22 35.23 e 645
2005-11-06 02:58:44 C 21 31 13.289 +00 22 34.51 22.74 e 645
2008-09-03 07:26:29 C 01 45 17.78 +28 49 05.6 o H55
2008-09-03 07:35:49 C 01 45 17.75 +28 49 08.0 o H55
2008-09-03 07:54:29 C 01 45 17.67 +28 49 12.4 o H55
2008-09-23 10:00:27 C 01 36 33.98 +29 53 48.6 r 703
2008-09-23 10:10:53 C 01 36 33.48 +29 53 49.3 r 703
2008-09-23 10:21:12 C 01 36 33.08 +29 53 49.7 r 703
2008-09-23 10:31:40 C 01 36 32.72 +29 53 49.9 r 703
2008-09-30 09:39:18 C 01 29 52.83 +29 45 38.7 r 703
2008-09-30 09:49:05 C 01 29 52.51 +29 45 38.5 r 703
2008-09-30 09:58:45 C 01 29 52.11 +29 45 36.6 r 703
2008-09-30 10:08:31 C 01 29 51.61 +29 45 35.8 r 703
2008-10-25 05:24:29 C 00 56 35.30 +26 19 11.3 r 703
2008-10-25 05:40:58 C 00 56 34.33 +26 19 02.9 r 703
2008-10-25 05:57:29 C 00 56 33.39 +26 18 53.4 r 703
2008-10-25 06:14:18 C 00 56 32.28 +26 18 42.8 r 703
2008-10-25 08:46:16 C 00 56 23.038 +26 17 14.70 645
2008-10-25 08:49:51 C 00 56 22.821 +26 17 12.70 645
2008-11-22 04:45:52 C 00 29 57.41 +18 46 49.3 19.4 c 704
2008-11-22 05:04:07 C 00 29 57.22 +18 46 37.3 20.2 c 704
2008-11-22 05:22:01 C 00 29 56.84 +18 46 25.4 19.9 c 704
2008-11-22 05:40:02 C 00 29 56.61 +18 46 13.6 19.8 c 704
2008-11-22 05:57:55 C 00 29 56.30 +18 46 01.9 19.9 c 704