423321 (2005 ED318)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4501838495 ± 1.90e-09
Semi-major axis (a)1.8500400620 AU ± 3.21e-10
Inclination (i)2.38983617° ± 8.08e-07
Long. of Asc. Node (Ω)82.04053366° ± 1.01e-05
Arg. of Perihelion (ω)164.37175214° ± 1.08e-05
Mean Anomaly (M)52.12561664° ± 1.69e-06
Mean Motion (n)0.3916882798°/day ± 1.02e-10
Perihelion dist (q)1.01718191 AU ± 3.51e-09
Aphelion dist (Q)2.68289822 AU ± 3.54e-09
Orbital Period2.51635378 yr ± 6.55e-10
Physical Parameters
H (abs. magnitude)20.90
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.306″
Uncertainty0
Orbit TypeAmor
MOID0.007215 AU
Observations Used545
Radar Obs Used2
Oppositions3
Arc Total2000-2020
First Observation Used2000-02-12
Last Observation Used2020-01-26
Observations (616)
Date Type RA Dec Mag Band Observatory
2005-05-09 19:58:27 C 12 21 28.47 +28 00 11.6 r 185
2005-05-09 20:02:51 C 12 21 29.08 +28 00 19.4 r 185
2005-05-09 20:08:04 C 12 21 29.83 +28 00 29.0 r 185
2005-05-09 20:10:26 C 12 21 30.15 +28 00 33.3 r 185
2005-05-09 20:12:48 C 12 21 30.48 +28 00 37.7 r 185
2005-05-09 21:22:57 C 12 21 40.69 +28 02 35.4 c 127
2005-05-09 21:29:24 C 12 21 41.64 +28 02 47.0 c 127
2005-05-09 21:35:20 C 12 21 42.52 +28 02 57.4 c 127
2005-05-09 21:38:53 C 12 21 43.03 +28 03 03.5 c 127
2005-05-09 21:42:25 C 12 21 43.54 +28 03 09.7 c 127
2005-05-10 06:34:10 C 12 23 16.89 +28 19 57.4 r H45
2005-05-10 06:36:29 C 12 23 17.31 +28 20 01.8 r H45
2005-05-10 06:39:03 C 12 23 17.70 +28 20 05.9 r H45
2005-05-10 06:41:19 C 12 23 18.10 +28 20 09.7 r H45
2005-05-10 06:43:20 C 12 23 18.44 +28 20 13.1 r H45
2005-05-10 12:15:28 C 12 24 31.05 +28 31 13.0 r 379
2005-05-10 12:19:47 C 12 24 31.68 +28 31 20.7 r 379
2005-05-10 21:48:29 C 12 26 28.95 +28 49 13.6 c J84
2005-05-10 21:57:16 C 12 26 30.49 +28 49 31.0 c J84
2005-05-10 22:01:37 C 12 26 31.24 +28 49 39.4 c J84
2005-05-10 22:09:52 C 12 26 32.72 +28 49 55.6 c J84
2005-05-10 22:14:15 C 12 26 33.50 +28 50 04.1 c J84
2005-05-10 23:16:21 C 12 26 44.93 +28 52 02.1 c J93
2005-05-10 23:19:32 C 12 26 45.52 +28 52 08.1 c J93
2005-05-10 23:22:29 C 12 26 46.02 +28 52 13.6 c J93
2005-05-11 06:02:50 C 12 28 11.53 +29 06 37.6 r H45
2005-05-11 06:08:19 C 12 28 12.60 +29 06 47.6 r H45
2005-05-11 12:06:59 C 12 29 42.84 +29 19 45.9 r 379
2005-05-11 12:09:07 C 12 29 43.24 +29 19 50.7 r 379
2005-05-11 12:11:17 C 12 29 43.66 +29 19 54.8 r 379
2005-05-11 12:17:43 C 12 29 44.84 +29 20 09.2 r 379
2005-05-11 12:24:10 C 12 29 46.05 +29 20 23.1 r 379
2005-05-11 12:26:20 C 12 29 46.43 +29 20 27.3 r 379
2005-05-11 19:55:23 C 12 31 38.83 +29 36 02.7 r 240
2005-05-11 19:56:20 C 12 31 39.04 +29 36 04.8 r 240
2005-05-11 19:58:16 C 12 31 39.44 +29 36 09.1 r 240
2005-05-11 20:00:10 C 12 31 39.84 +29 36 13.5 r 240
2005-05-11 20:02:06 C 12 31 40.24 +29 36 17.9 r 240
2005-05-11 20:02:48 C 12 31 40.10 +29 36 31.0 c 434
2005-05-11 20:03:04 C 12 31 40.46 +29 36 20.1 r 240
2005-05-11 20:04:01 C 12 31 40.65 +29 36 22.3 r 240
2005-05-11 20:04:59 C 12 31 40.86 +29 36 24.5 r 240
2005-05-11 20:05:13 C 12 31 40.60 +29 36 36.7 c 434
2005-05-11 20:06:55 C 12 31 41.25 +29 36 28.9 r 240
2005-05-11 20:07:52 C 12 31 41.46 +29 36 30.9 r 240
2005-05-11 20:08:19 C 12 31 41.24 +29 36 43.3 c 434
2005-05-11 20:09:47 C 12 31 41.56 +29 36 46.5 c 434
2005-05-11 20:19:59 C 12 31 43.99 +29 37 01.7 o 151
2005-05-11 20:22:05 C 12 31 44.44 +29 37 06.4 o 151
2005-05-11 20:23:00 C 12 31 44.63 +29 37 08.5 o 151
Radar Observations (2)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-05-12 02:10:00 45151065.7 4 us 2380 -1 -1
2005-05-12 02:10:00 91898.7955 0.2 Hz 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)