334673 (2003 AL18)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4165956589 ± 1.64e-08
Semi-major axis (a)1.6844552910 AU ± 2.26e-09
Inclination (i)15.72321789° ± 3.53e-06
Long. of Asc. Node (Ω)312.87782945° ± 3.61e-06
Arg. of Perihelion (ω)246.71924918° ± 6.34e-06
Mean Anomaly (M)127.65535274° ± 9.56e-06
Mean Motion (n)0.4508406255°/day ± 9.09e-10
Perihelion dist (q)0.98271853 AU ± 2.77e-08
Aphelion dist (Q)2.38619205 AU ± 2.78e-08
Orbital Period2.18619669 yr ± 4.41e-09
Physical Parameters
H (abs. magnitude)17.98
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.293″
Uncertainty0
Orbit TypeApollo
MOID0.134242 AU
Observations Used606
Oppositions12
Arc Total2003-2025
First Observation Used2003-01-07
Last Observation Used2025-09-15
Observations (650)
Date Type RA Dec Mag Band Observatory
2005-02-26 19:37:18 C 03 56 12.54 +29 32 03.2 r 941
2005-02-26 19:39:00 C 03 56 12.69 +29 32 02.4 r 941
2005-02-26 19:40:39 C 03 56 12.81 +29 32 01.3 r 941
2007-03-15 02:35:51 C 03 09 05.43 +28 33 06.9 r G96
2007-03-15 02:40:25 C 03 09 05.79 +28 33 07.5 r G96
2007-03-15 02:45:06 C 03 09 06.26 +28 33 07.3 r G96
2007-03-15 02:49:36 C 03 09 06.66 +28 33 07.6 r G96
2007-03-21 02:50:59 C 03 22 30.28 +28 39 46.7 r G96
2007-03-21 02:58:16 C 03 22 30.97 +28 39 46.5 r G96
2007-03-21 03:05:31 C 03 22 31.65 +28 39 47.5 r G96
2007-03-21 03:12:55 C 03 22 32.37 +28 39 47.3 r G96
2008-08-30 07:45:46 C 01 48 16.61 +31 55 16.2 o H55
2008-08-30 08:06:40 C 01 48 16.27 +31 55 22.1 o H55
2008-08-30 08:27:35 C 01 48 15.89 +31 55 29.8 o H55
2012-08-10 10:35:49 C 23 30 54.21 +10 19 02.5 o 691
2012-08-10 11:01:24 C 23 30 52.84 +10 19 06.1 o 691
2012-08-10 11:26:58 C 23 30 51.47 +10 19 10.3 o 691
2012-08-24 09:29:00 C 23 10 44.31 +10 41 21.6 o 691
2012-08-24 09:54:33 C 23 10 42.56 +10 41 20.7 o 691
2012-08-24 10:20:08 C 23 10 40.83 +10 41 20.3 o 691
2013-12-11 20:59:55 C 11 14 48.32 +12 54 48.6 q D29
2013-12-11 21:25:42 C 11 14 51.45 +12 54 13.8 q D29
2013-12-11 21:51:27 C 11 14 54.60 +12 53 38.6 q D29
2013-12-13 11:23:09 C 11 19 35.57 +12 01 19.2 q 703
2013-12-13 11:29:41 C 11 19 36.35 +12 01 10.6 q 703
2013-12-13 11:36:12 C 11 19 37.25 +12 01 02.0 q 703
2013-12-13 11:42:44 C 11 19 37.97 +12 00 52.5 q 703
2013-12-31 11:18:22 C 12 17 52.83 -00 24 30.4 q G96
2013-12-31 11:29:51 C 12 17 54.50 -00 24 54.1 q G96
2013-12-31 11:41:21 C 12 17 56.16 -00 25 17.8 q G96
2013-12-31 11:52:51 C 12 17 57.82 -00 25 41.4 q G96
2014-01-07 11:12:50 C 12 43 42.90 -06 32 55.0 q 703
2014-01-07 11:20:11 C 12 43 44.13 -06 33 12.6 q 703
2014-01-07 11:27:29 C 12 43 45.21 -06 33 28.6 q 703
2014-01-13 18:15:51 S 13 09 12.845 -12 39 04.14 L C51
2014-01-14 00:35:25 S 13 10 20.333 -12 55 01.96 L C51
2014-01-14 10:04:35 S 13 12 01.963 -13 19 00.12 L C51
2014-01-14 13:14:22 S 13 12 36.178 -13 27 03.28 L C51
2014-01-15 01:53:30 S 13 14 52.87 -13 59 11.2 L C51
2014-01-15 05:03:18 S 13 15 27.33 -14 07 14.2 L C51
2014-01-15 11:22:41 S 13 16 36.35 -14 23 24.3 L C51
2014-01-15 12:57:40 S 13 16 53.60 -14 27 25.0 L C51
2014-01-15 17:42:15 S 13 17 45.75 -14 39 34.5 L C51
2014-01-15 19:17:03 S 13 18 03.03 -14 43 38.1 L C51
2014-01-16 01:36:37 S 13 19 12.82 -14 59 51.8 L C51
2014-01-16 03:11:37 S 13 19 30.30 -15 03 55.1 L C51
2014-01-16 04:46:24 S 13 19 47.77 -15 08 00.7 L C51
2014-01-16 06:21:12 S 13 20 05.321 -15 12 03.35 L C51
2014-01-16 06:21:23 S 13 20 05.311 -15 12 03.06 L C51
2014-01-16 11:05:59 S 13 20 57.98 -15 24 15.7 L C51