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
2020-01-30 07:58:37 C 08 18 51.407 +11 22 20.25 U F51
2020-01-30 08:15:27 C 08 18 50.147 +11 22 28.83 U F51
2020-01-30 08:32:10 C 08 18 48.898 +11 22 37.42 U F51
2020-02-01 05:19:12 C 08 15 37.20 +11 45 02.4 V G96
2020-02-01 05:27:16 C 08 15 36.62 +11 45 06.1 V G96
2020-02-01 05:35:18 C 08 15 36.03 +11 45 10.4 V G96
2020-02-01 05:43:20 C 08 15 35.44 +11 45 14.2 V G96
2020-02-14 06:00:56 C 07 57 10.41 +14 05 59.0 V G96
2020-02-14 06:08:55 C 07 57 09.99 +14 06 02.7 V G96
2020-02-14 06:16:56 C 07 57 09.58 +14 06 05.1 V G96
2020-02-14 06:24:54 C 07 57 09.23 +14 06 08.2 V G96
2021-03-23 10:06:49 C 13 59 17.17 -02 51 21.2 V G96
2021-03-23 10:14:12 C 13 59 16.87 -02 51 18.3 V G96
2021-03-23 10:21:35 C 13 59 16.61 -02 51 14.3 V G96
2021-03-23 10:28:58 C 13 59 16.33 -02 51 11.2 V G96
2021-04-03 08:35:19 C 13 46 53.93 -00 42 37.6 V G96
2021-04-03 08:42:42 C 13 46 53.45 -00 42 34.1 V G96
2021-04-03 08:50:07 C 13 46 53.08 -00 42 30.2 V G96
2021-04-03 08:57:31 C 13 46 52.71 -00 42 27.1 V G96
2021-04-08 10:59:38 C 13 39 53.986 +00 22 10.81 U F51
2021-04-08 11:17:59 C 13 39 52.835 +00 22 20.62 U F51
2021-04-08 11:36:16 C 13 39 51.716 +00 22 30.42 U F51
2021-04-16 09:59:02 C 13 27 55.566 +02 04 12.28 U F51
2021-04-16 10:20:07 C 13 27 54.164 +02 04 23.40 U F51
2021-04-16 10:41:13 C 13 27 52.757 +02 04 34.53 U F51
2021-05-08 07:12:30 C 12 55 00.52 +05 56 45.0 V G96
2021-05-08 07:22:26 C 12 54 59.95 +05 56 48.0 V G96
2021-05-08 07:32:22 C 12 54 59.40 +05 56 50.7 V G96
2021-05-16 06:41:27 C 12 45 32.058 +06 48 07.68 U F51
2021-05-16 07:00:50 C 12 45 31.176 +06 48 12.38 U F51
2021-05-16 07:20:05 C 12 45 30.285 +06 48 15.99 U F51
2022-01-02 19:52:59 C 01 47 14.93 -10 44 57.3 V M22
2022-01-02 19:57:53 C 01 47 16.24 -10 44 44.7 V M22
2022-01-02 20:05:43 C 01 47 18.24 -10 44 27.2 V M22
2022-01-02 20:20:56 C 01 47 22.25 -10 43 51.2 V M22
2022-01-05 04:22:58 C 02 01 32.77 -08 36 42.7 V 703
2022-01-05 04:47:50 C 02 01 38.61 -08 35 46.0 V 703
2022-01-06 03:47:27 C 02 07 08.70 -07 45 32.6 V 703
2022-01-06 03:55:12 C 02 07 10.57 -07 45 15.3 V 703
2022-01-06 04:02:57 C 02 07 12.40 -07 44 58.2 V 703
2022-01-06 04:10:41 C 02 07 14.19 -07 44 43.0 V 703
2022-01-07 06:49:02 C 02 13 23.18 -06 48 01.6 V T05
2022-01-07 06:53:07 C 02 13 24.07 -06 47 53.7 V T05
2022-01-07 07:03:01 C 02 13 26.22 -06 47 32.5 V T05
2022-01-07 07:18:15 C 02 13 29.63 -06 47 00.4 V T05
2022-01-25 03:02:17 C 03 28 57.75 +04 43 33.3 V G96
2022-01-25 03:10:24 C 03 28 58.85 +04 43 43.0 V G96
2022-01-25 03:18:32 C 03 28 59.96 +04 43 52.8 V G96
2022-01-25 03:26:38 C 03 29 01.07 +04 44 02.7 V G96
2022-01-27 05:39:51 C 03 35 53.411 +05 42 32.86 U F52