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
2000-01-08 05:01:37 C 04 12 14.79 -00 55 28.3 c 699
2000-01-08 05:45:33 C 04 12 18.15 -00 54 12.5 c 699
2000-01-08 06:29:30 C 04 12 21.44 -00 52 56.9 c 699
2000-01-09 03:52:29 C 04 14 03.02 -00 16 43.2 18.8 a 704
2000-01-09 04:17:11 C 04 14 04.79 -00 16 01.9 19.2 a 704
2000-01-09 04:27:52 C 04 14 05.73 -00 15 40.1 z 711
2000-01-09 04:44:26 C 04 14 06.90 -00 15 16.4 19.6 a 704
2000-01-09 05:05:45 C 04 14 08.49 -00 14 42.7 19.1 a 704
2000-01-09 05:26:58 C 04 14 10.01 -00 14 07.0 19.4 a 704
2000-01-09 06:02:12 C 04 14 12.59 -00 13 07.7 i 651
2000-01-09 06:05:35 C 04 14 12.83 -00 13 02.3 i 651
2000-01-09 06:09:19 C 04 14 13.09 -00 12 56.4 i 651
2000-01-11 10:40:28 C 04 18 13.58 +01 10 39.9 m 422
2000-01-11 10:43:01 C 04 18 13.73 +01 10 43.7 m 422
2000-01-11 10:45:29 C 04 18 13.92 +01 10 48.2 m 422
2000-01-11 10:48:07 C 04 18 14.13 +01 10 52.1 m 422
2000-01-12 18:43:18 C 04 20 35.40 +01 57 39.4 c 046
2000-01-12 18:44:55 C 04 20 35.60 +01 57 42.1 c 046
2000-01-12 18:46:26 C 04 20 35.70 +01 57 43.7 c 046
2000-01-12 18:49:05 C 04 20 35.88 +01 57 48.0 c 046
2000-01-12 18:50:35 C 04 20 35.99 +01 57 50.2 c 046
2000-01-13 19:46:43 C 04 22 24.09 +02 33 03.4 c 046
2000-01-13 19:49:05 C 04 22 24.25 +02 33 05.9 c 046
2000-01-13 19:53:04 C 04 22 24.52 +02 33 12.7 c 046
2000-01-13 19:54:59 C 04 22 24.66 +02 33 14.7 c 046
2000-01-14 18:50:25 C 04 24 02.95 +03 04 24.6 557
2000-01-14 18:53:38 C 04 24 03.15 +03 04 29.3 557
2000-01-14 19:00:00 C 04 24 03.58 +03 04 37.7 557
2000-01-14 20:12:08 C 04 24 08.46 +03 06 13.6 c 046
2000-01-14 20:15:26 C 04 24 08.70 +03 06 19.3 c 046
2000-01-14 20:17:43 C 04 24 08.75 +03 06 20.9 c 046
2000-01-14 20:19:53 C 04 24 08.97 +03 06 24.7 c 046
2000-01-14 20:22:49 C 04 24 09.13 +03 06 27.4 c 046
2000-01-15 05:10:26 C 04 24 46.27 +03 18 12.4 693
2000-01-15 05:24:46 C 04 24 47.20 +03 18 31.7 693
2000-01-15 10:35:24 C 04 25 09.36 +03 25 33.1 m 422
2000-01-15 10:37:37 C 04 25 09.62 +03 25 35.8 m 422
2000-01-15 10:40:55 C 04 25 09.81 +03 25 39.7 m 422
2000-01-24 05:57:04 C 04 39 24.35 +07 22 20.7 c 658
2000-01-24 06:07:19 C 04 39 25.02 +07 22 30.9 c 658
2000-01-26 03:59:31 C 04 42 24.43 +08 05 26.2 c 658
2000-01-26 04:02:19 C 04 42 24.66 +08 05 29.1 c 658
2000-02-07 12:46:59 C 05 01 28.58 +11 51 14.6 413
2000-02-07 12:50:49 C 05 01 28.79 +11 51 17.1 413
2000-02-08 12:59:56 C 05 03 02.06 +12 06 22.3 413
2000-02-08 13:04:16 C 05 03 02.32 +12 06 25.1 413
2000-02-24 11:28:20 C 05 28 01.35 +15 17 52.5 413
2000-02-24 11:34:59 C 05 28 01.79 +15 17 55.2 413
2000-02-28 04:31:35 C 05 33 57.25 +15 51 43.8 693
2000-02-28 04:35:31 C 05 33 57.56 +15 51 45.5 693