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
2019-07-01 04:48:21 C 13 05 24.45 +34 23 58.5 V 703
2019-07-01 04:50:51 C 13 05 23.88 +34 24 02.6 V 654
2019-07-01 04:56:35 C 13 05 21.63 +34 24 10.7 V 703
2019-07-01 05:04:50 C 13 05 18.76 +34 24 23.5 V 703
2019-07-01 05:13:04 C 13 05 15.98 +34 24 35.2 V 703
2019-07-01 07:49:11 C 13 04 23.62 +34 28 46.2 V T08
2019-07-01 07:53:18 C 13 04 22.17 +34 28 52.2 V T08
2019-07-01 08:02:09 C 13 04 19.12 +34 29 04.9 V T08
2019-07-01 08:20:14 C 13 04 12.92 +34 29 31.8 V T08
2019-07-01 20:41:32 C 13 00 02.23 +34 48 09.5 q 160
2019-07-01 20:44:21 C 13 00 01.21 +34 48 13.0 q 160
2019-07-01 20:47:11 C 13 00 00.30 +34 48 16.6 q 160
2019-07-05 04:30:37 C 12 30 59.27 +36 40 40.3 V 703
2019-07-05 04:38:19 C 12 30 56.25 +36 40 49.8 V 703
2019-07-05 04:46:00 C 12 30 53.26 +36 40 58.8 V 703
2019-07-05 04:53:42 C 12 30 50.21 +36 41 08.0 V 703
2019-11-03 12:01:56 C 09 25 33.72 +05 26 59.7 V G96
2019-11-03 12:10:55 C 09 25 34.13 +05 26 57.4 V G96
2019-11-03 12:19:54 C 09 25 34.50 +05 26 54.9 V G96
2019-11-03 12:28:54 C 09 25 34.89 +05 26 52.3 V G96
2019-11-04 12:08:09 C 09 26 36.27 +05 20 26.0 V G96
2019-11-04 12:17:19 C 09 26 36.65 +05 20 23.5 V G96
2019-11-04 12:26:28 C 09 26 37.04 +05 20 21.2 V G96
2019-11-04 12:35:33 C 09 26 37.39 +05 20 19.0 V G96
2019-11-08 10:14:45 C 09 30 20.44 +04 56 16.3 V G96
2019-11-08 10:31:44 C 09 30 21.08 +04 56 12.0 V G96
2019-11-08 10:49:09 C 09 30 21.70 +04 56 07.5 V G96
2019-11-08 11:06:38 C 09 30 22.32 +04 56 03.2 V G96
2019-12-21 09:39:40 C 09 28 01.32 +04 18 56.6 V G96
2019-12-21 09:47:04 C 09 28 00.97 +04 18 58.4 V G96
2019-12-21 09:54:30 C 09 28 00.62 +04 19 00.0 V G96
2019-12-24 12:43:11 C 09 24 16.130 +04 38 14.06 U F52
2019-12-24 13:01:28 C 09 24 15.113 +04 38 19.23 U F52
2019-12-24 13:38:15 C 09 24 13.047 +04 38 29.46 U F52
2019-12-28 11:47:04 C 09 18 49.798 +05 07 29.09 U F51
2019-12-28 12:03:03 C 09 18 48.783 +05 07 34.54 U F51
2019-12-28 12:19:05 C 09 18 47.761 +05 07 39.90 U F51
2019-12-28 12:35:16 C 09 18 46.728 +05 07 45.36 U F51
2020-01-23 08:58:50 C 08 31 38.499 +09 55 43.76 U F51
2020-01-23 09:14:24 C 08 31 37.227 +09 55 51.94 U F51
2020-01-23 09:29:57 C 08 31 35.950 +09 56 00.16 U F51
2020-01-23 09:45:30 C 08 31 34.670 +09 56 08.44 U F51
2020-01-24 08:03:18 C 08 29 48.732 +10 07 51.83 U F51
2020-01-24 08:17:45 C 08 29 47.564 +10 07 59.49 U F51
2020-01-24 08:32:10 C 08 29 46.392 +10 08 07.10 U F51
2020-01-24 08:46:37 C 08 29 45.222 +10 08 14.71 U F51
2020-01-26 07:53:04 C 08 26 03.95 +10 32 52.9 V G96
2020-01-26 08:00:29 C 08 26 03.36 +10 32 56.7 V G96
2020-01-26 08:07:55 C 08 26 02.78 +10 33 00.6 V G96
2020-01-26 08:15:21 C 08 26 02.17 +10 33 04.4 V G96