143527 (2003 EN16)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.3521249895 ± 2.21e-08
Semi-major axis (a)1.6613801637 AU ± 1.44e-09
Inclination (i)17.30716188° ± 4.30e-06
Long. of Asc. Node (Ω)181.69261919° ± 7.50e-06
Arg. of Perihelion (ω)242.23140861° ± 9.22e-06
Mean Anomaly (M)293.29880428° ± 4.22e-06
Mean Motion (n)0.4602658413°/day ± 5.96e-10
Perihelion dist (q)1.07636669 AU ± 3.67e-08
Aphelion dist (Q)2.24639364 AU ± 3.67e-08
Orbital Period2.14142827 yr ± 2.78e-09
Physical Parameters
H (abs. magnitude)18.64
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.365″
Uncertainty0
Orbit TypeAmor
MOID0.190012 AU
Observations Used462
Oppositions12
Arc Total2003-2025
First Observation Used2003-03-08
Last Observation Used2025-07-26
Observations (484)
Date Type RA Dec Mag Band Observatory
2005-03-17 05:48:02 C 09 02 33.02 +01 26 43.4 r 703
2006-07-16 05:48:27 C 21 01 26.18 +15 10 39.1 20.9 c H55
2006-07-16 05:53:56 C 21 01 26.00 +15 10 39.6 21.0 c H55
2006-07-16 06:08:01 C 21 01 25.45 +15 10 41.7 20.9 c H55
2006-07-24 22:26:59 C 20 53 00.54 +15 18 32.4 r A13
2006-07-24 23:03:54 C 20 52 58.74 +15 18 29.9 r A13
2006-07-29 04:39:59 C 20 47 58.70 +15 05 59.7 20.2 c H55
2006-07-29 04:44:09 C 20 47 58.53 +15 05 56.9 20.1 c H55
2006-07-29 04:48:16 C 20 47 58.31 +15 05 56.2 20.2 c H55
2006-08-02 07:51:49 C 20 42 38.83 +14 42 05.9 r H45
2006-08-02 07:56:51 C 20 42 38.56 +14 42 04.2 r H45
2006-08-02 07:59:13 C 20 42 38.45 +14 42 03.6 r H45
2006-08-02 08:01:52 C 20 42 38.27 +14 42 02.6 r H45
2006-08-02 08:04:54 C 20 42 38.11 +14 42 01.9 r H45
2006-08-24 02:35:00 C 20 12 54.27 +09 14 42.5 19.8 c H55
2006-08-24 02:46:01 C 20 12 53.70 +09 14 33.0 19.9 c H55
2006-08-24 02:51:31 C 20 12 53.39 +09 14 27.6 19.8 c H55
2006-08-30 06:29:26 C 20 06 04.27 +06 47 40.0 r H45
2006-08-30 06:35:22 C 20 06 04.00 +06 47 33.6 r H45
2006-08-30 06:37:59 C 20 06 03.90 +06 47 30.5 r H45
2006-08-30 06:39:38 C 20 06 03.81 +06 47 28.8 r H45
2006-08-30 06:41:22 C 20 06 03.73 +06 47 27.0 r H45
2006-10-22 01:56:48 C 20 30 24.37 -15 37 42.4 r G96
2006-10-22 02:04:43 C 20 30 24.94 -15 37 48.8 r G96
2006-10-22 02:12:35 C 20 30 25.56 -15 37 54.9 r G96
2006-10-22 02:20:34 C 20 30 26.17 -15 38 01.0 r G96
2006-10-28 02:19:38 C 20 42 37.47 -17 25 43.8 r G96
2006-10-28 02:34:20 C 20 42 38.73 -17 25 54.1 r G96
2006-10-28 02:48:49 C 20 42 40.03 -17 26 03.8 r G96
2006-10-28 03:03:11 C 20 42 41.29 -17 26 14.3 r G96
2010-07-15 04:41:32 C 17 01 14.34 +06 37 23.9 o H21
2010-07-15 04:51:50 C 17 01 13.94 +06 37 20.2 o H21
2010-07-15 05:04:41 C 17 01 13.47 +06 37 16.3 o H21
2012-06-12 05:18:04 C 16 14 20.36 +07 13 12.4 u H21
2012-06-12 05:33:29 C 16 14 19.54 +07 13 12.7 u H21
2012-06-12 05:50:06 C 16 14 18.68 +07 13 13.3 u H21
2012-06-20 04:12:34 C 16 05 24.90 +07 10 43.1 u H21
2012-06-20 04:32:53 C 16 05 23.97 +07 10 42.0 u H21
2012-06-20 04:53:55 C 16 05 23.04 +07 10 40.2 u H21
2014-05-06 04:56:47 C 15 37 51.79 +04 15 08.4 o 691
2014-05-06 05:22:15 C 15 37 50.34 +04 15 19.0 o 691
2014-05-06 05:47:42 C 15 37 48.93 +04 15 32.1 o 691
2016-02-10 13:54:17 C 14 44 52.334 -12 11 52.22 L F51
2016-02-10 14:10:33 C 14 44 52.957 -12 11 48.47 L F51
2016-03-04 14:17:32 C 14 57 23.497 -08 47 00.16 L F51
2016-03-04 14:35:56 C 14 57 23.550 -08 46 51.06 L F51
2016-03-04 14:54:18 C 14 57 23.607 -08 46 41.80 L F51
2016-04-03 11:49:42 C 14 42 54.391 -01 07 38.27 L F51
2016-04-03 12:07:00 C 14 42 53.619 -01 07 25.81 L F51
2016-04-03 12:24:17 C 14 42 52.821 -01 07 13.29 L F51