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
2019-05-25 10:36:19 C 15 54 24.46 +09 27 57.9 V T08
2019-05-25 10:50:15 C 15 54 23.04 +09 28 18.9 V T08
2019-05-27 07:35:56 C 15 49 54.872 +10 35 45.97 U F52
2019-05-27 07:52:45 C 15 49 53.031 +10 36 11.82 U F52
2019-05-27 08:09:27 C 15 49 51.194 +10 36 37.56 U F52
2019-05-27 08:26:16 C 15 49 49.346 +10 37 03.37 U F52
2019-05-28 07:51:30 C 15 47 19.22 +11 13 04.2 V 703
2019-05-28 07:59:02 C 15 47 18.31 +11 13 15.7 V 703
2019-05-28 08:06:33 C 15 47 17.45 +11 13 27.5 V 703
2019-05-28 08:14:05 C 15 47 16.61 +11 13 38.9 V 703
2019-05-28 11:50:37 C 15 46 52.84 +11 19 20.0 V T05
2019-05-28 11:54:55 C 15 46 52.35 +11 19 26.7 V T05
2019-05-28 12:19:49 C 15 46 49.50 +11 20 05.1 V T05
2019-05-28 12:32:51 C 15 46 48.01 +11 20 25.2 V T05
2019-05-30 10:58:05 C 15 41 33.710 +12 33 37.93 U F51
2019-05-30 11:15:24 C 15 41 31.564 +12 34 05.48 U F51
2019-05-30 11:32:42 C 15 41 29.425 +12 34 33.01 U F51
2019-05-31 23:23:35 C 15 37 10.89 +13 32 11.8 q 160
2019-05-31 23:27:38 C 15 37 10.36 +13 32 18.3 q 160
2019-05-31 23:31:39 C 15 37 09.84 +13 32 24.9 q 160
2019-06-01 08:09:43 C 15 36 05.05 +13 46 34.0 V 703
2019-06-01 08:17:56 C 15 36 04.03 +13 46 47.5 V 703
2019-06-01 08:21:40 C 15 36 03.72 +13 46 52.2 V 654
2019-06-01 08:26:09 C 15 36 02.93 +13 47 00.2 V 703
2019-06-01 08:34:22 C 15 36 01.83 +13 47 13.3 V 703
2019-06-01 09:19:11 C 15 35 56.18 +13 48 25.6 V 654
2019-06-01 10:42:02 C 15 35 46.13 +13 50 47.6 V T05
2019-06-01 11:15:31 C 15 35 41.69 +13 51 42.0 V T05
2019-06-01 11:19:32 C 15 35 41.14 +13 51 48.6 V T05
2019-06-01 11:26:30 C 15 35 40.22 +13 52 00.1 V T05
2019-06-01 23:18:39 C 15 34 10.35 +14 11 19.2 q 160
2019-06-01 23:21:36 C 15 34 09.95 +14 11 24.0 q 160
2019-06-01 23:24:34 C 15 34 09.57 +14 11 28.9 q 160
2019-06-03 10:45:28 C 15 29 30.82 +15 10 14.6 V T08
2019-06-03 10:52:46 C 15 29 29.78 +15 10 26.3 V T08
2019-06-03 11:03:28 C 15 29 28.28 +15 10 44.3 V T08
2019-06-03 11:20:38 C 15 29 25.84 +15 11 12.9 V T08
2019-06-03 11:30:18 C 15 29 24.53 +15 11 29.0 V T08
2019-06-05 07:31:51 C 15 23 18.23 +16 25 32.2 V 654
2019-06-05 07:42:04 C 15 23 16.51 +16 25 50.2 V 703
2019-06-05 07:49:35 C 15 23 15.36 +16 26 02.6 V 703
2019-06-05 07:57:06 C 15 23 14.25 +16 26 15.2 V 703
2019-06-05 08:04:37 C 15 23 13.12 +16 26 28.1 V 703
2019-06-05 09:01:48 C 15 23 04.79 +16 28 03.7 V 654
2019-06-05 09:05:18 C 15 23 05.24 +16 28 17.8 V T05
2019-06-05 09:09:19 C 15 23 04.63 +16 28 24.3 V T05
2019-06-05 09:18:45 C 15 23 03.22 +16 28 40.7 V T05
2019-06-05 09:33:19 C 15 23 00.99 +16 29 05.3 V T05
2019-06-05 09:53:55 C 15 22 57.06 +16 29 31.2 V 654
2019-06-05 23:30:48 C 15 20 59.39 +16 52 40.1 q 160