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
2022-01-27 05:57:45 C 03 35 55.750 +05 42 53.05 U F52
2022-01-27 06:15:25 C 03 35 58.053 +05 43 13.12 U F52
2022-01-27 06:33:02 C 03 36 00.364 +05 43 32.93 U F52
2022-02-06 03:11:07 C 04 05 09.42 +09 33 45.3 V G96
2022-02-06 03:19:23 C 04 05 10.30 +09 33 52.0 V G96
2022-02-06 03:27:38 C 04 05 11.24 +09 33 58.9 V G96
2022-02-06 03:35:51 C 04 05 12.16 +09 34 05.9 V G96
2025-03-19 08:09:06 C 11 25 26.702 +07 23 21.34 V V00
2025-03-19 08:17:13 C 11 25 26.260 +07 23 24.47 V V00
2025-03-19 08:25:18 C 11 25 25.813 +07 23 28.82 V V00
2025-03-19 08:33:22 C 11 25 25.374 +07 23 31.74 V V00