257744 (2000 AD205)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.5860322373 ± 1.17e-08
Semi-major axis (a)1.6949357661 AU ± 1.35e-09
Inclination (i)7.92368884° ± 1.57e-06
Long. of Asc. Node (Ω)157.16617634° ± 2.93e-05
Arg. of Perihelion (ω)192.08390284° ± 2.90e-05
Mean Anomaly (M)301.18019953° ± 1.49e-06
Mean Motion (n)0.4466655006°/day ± 5.32e-10
Perihelion dist (q)0.70164877 AU ± 1.98e-08
Aphelion dist (Q)2.68822277 AU ± 1.99e-08
Orbital Period2.20663177 yr ± 2.63e-09
Physical Parameters
H (abs. magnitude)18.61
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.273″
Uncertainty0
Orbit TypeApollo
MOID0.129197 AU
Observations Used519
Oppositions14
Arc Total2000-2025
First Observation Used2000-01-08
Last Observation Used2025-03-19
Observations (561)
Date Type RA Dec Mag Band Observatory
2008-06-13 22:43:07 C 16 07 12.90 +38 31 10.0 r J46
2008-06-16 20:26:56 C 15 48 57.86 +44 58 25.9 r A81
2008-06-16 20:38:33 C 15 48 54.06 +44 59 34.8 r A81
2008-06-16 20:49:55 C 15 48 50.32 +45 00 41.7 r A81
2008-06-16 21:02:14 C 15 48 46.27 +45 01 54.1 r A81
2008-06-17 07:12:55 C 15 45 26.71 +46 02 08.2 r H45
2008-06-17 07:14:30 C 15 45 26.15 +46 02 17.3 r H45
2008-06-17 07:16:14 C 15 45 25.53 +46 02 27.9 r H45
2008-06-17 07:18:15 C 15 45 24.86 +46 02 39.2 r H45
2008-06-17 07:19:48 C 15 45 24.32 +46 02 48.7 r H45
2008-06-18 06:23:42 C 15 37 15.68 +48 22 26.9 r H53
2008-06-18 06:25:05 C 15 37 14.96 +48 22 36.1 r H53
2008-06-18 06:26:16 C 15 37 14.57 +48 22 42.7 r H53
2008-06-18 06:27:25 C 15 37 14.26 +48 22 49.4 r H53
2008-06-18 06:28:40 C 15 37 13.77 +48 22 57.7 r H53
2008-06-18 06:29:49 C 15 37 13.28 +48 23 03.9 r H53
2008-06-19 00:40:11 C 15 29 57.63 +50 15 31.4 c B67
2008-06-19 00:57:29 C 15 29 50.15 +50 17 17.8 c B67
2008-06-19 01:22:00 C 15 29 39.66 +50 19 48.5 c B67
2008-06-19 05:27:13 C 15 27 56.44 +50 45 48.8 r H45
2008-06-19 05:28:44 C 15 27 55.67 +50 45 58.3 r H45
2008-06-19 05:30:36 C 15 27 54.86 +50 46 09.8 r H45
2008-06-19 05:31:56 C 15 27 54.26 +50 46 18.1 r H45
2008-06-19 05:33:31 C 15 27 53.55 +50 46 28.1 r H45
2008-06-19 05:34:46 C 15 27 52.99 +50 46 35.6 r H45
2008-06-19 21:12:07 C 15 20 46.67 +52 25 07.3 c A48
2008-06-19 21:13:30 C 15 20 45.94 +52 25 15.9 c A48
2008-06-19 21:14:54 C 15 20 45.29 +52 25 24.8 c A48
2008-06-19 21:16:17 C 15 20 44.59 +52 25 33.7 c A48
2008-06-19 22:11:43 C 15 20 17.55 +52 31 27.2 c 442
2008-06-19 22:15:01 C 15 20 15.75 +52 31 48.4 c 442
2008-06-21 21:30:04 C 14 53 23.82 +57 32 40.9 o A81
2008-06-21 21:36:16 C 14 53 19.55 +57 33 19.5 o A81
2008-06-21 21:43:42 C 14 53 14.46 +57 34 05.9 o A81
2008-06-23 05:26:49 C 14 29 24.96 +60 50 59.8 c H45
2008-06-23 05:27:46 C 14 29 24.10 +60 51 05.2 c H45
2008-06-23 05:28:52 C 14 29 23.14 +60 51 11.7 c H45
2008-06-23 05:30:53 C 14 29 21.41 +60 51 23.9 c H45
2008-06-23 05:32:40 C 14 29 19.90 +60 51 34.3 c H45
2008-06-23 05:34:18 C 14 29 18.44 +60 51 44.0 c H45
2009-02-04 05:07:46 C 08 23 56.32 +12 10 07.0 r G96
2009-02-04 05:16:27 C 08 23 55.75 +12 10 11.6 r G96
2009-02-04 05:25:11 C 08 23 55.14 +12 10 15.2 r G96
2009-02-04 05:34:02 C 08 23 54.56 +12 10 19.7 r G96
2010-04-14 08:07:17 C 13 42 07.45 +00 58 38.7 r G96
2010-04-14 08:16:53 C 13 42 06.84 +00 58 43.8 r G96
2010-04-14 08:26:26 C 13 42 06.19 +00 58 49.0 r G96
2010-04-14 08:35:57 C 13 42 05.58 +00 58 54.8 r G96
2010-04-19 09:14:14 C 13 34 12.204 +02 04 36.99 L F51
2010-04-19 09:26:31 C 13 34 11.332 +02 04 44.06 L F51