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
2005-05-19 20:53:38 C 14 42 24.79 +40 47 23.0 c A48
2005-05-19 20:54:47 C 14 42 26.47 +40 47 27.3 c A48
2005-05-19 20:55:56 C 14 42 28.18 +40 47 31.9 c A48
2005-05-19 22:14:54 C 14 44 20.84 +40 50 44.4 r 084
2005-05-19 22:15:29 C 14 44 21.80 +40 50 46.6 r 084
2005-05-19 22:16:05 C 14 44 22.70 +40 50 48.7 r 084
2005-05-19 22:37:07 C 14 45 00.50 +40 53 55.0 c 560
2005-05-19 22:37:51 C 14 45 01.61 +40 53 57.6 c 560
2005-05-19 22:38:35 C 14 45 02.70 +40 54 00.2 c 560
2005-05-19 22:44:29 C 14 45 12.47 +40 54 20.6 r 203
2005-05-19 23:03:32 C 14 45 36.60 +40 53 30.2 r 084
2005-05-19 23:04:08 C 14 45 37.54 +40 53 31.5 r 084
2005-05-19 23:04:45 C 14 45 38.48 +40 53 33.6 r 084
2005-05-19 23:10:40 C 14 45 47.82 +40 53 53.1 r 084
2005-05-19 23:11:07 C 14 45 48.51 +40 53 54.5 r 084
2005-05-19 23:11:33 C 14 45 49.24 +40 53 55.9 r 084
2005-05-19 23:12:29 C 14 45 50.62 +40 53 58.9 r 084
2005-05-19 23:12:55 C 14 45 51.30 +40 54 00.5 r 084
2005-05-19 23:13:21 C 14 45 51.99 +40 54 01.7 r 084
2005-05-19 23:14:53 C 14 45 58.93 +40 56 07.1 r 203
2005-05-20 12:38:31 C 15 09 54.45 +41 39 49.7 o 379
2005-05-20 12:39:40 C 15 09 56.52 +41 39 52.6 o 379
2005-05-20 12:41:57 C 15 10 00.56 +41 40 00.0 o 379
2005-05-20 12:52:16 C 15 10 18.73 +41 40 30.3 o 379
2005-05-20 12:53:24 C 15 10 20.77 +41 40 33.9 o 379
2005-05-20 12:56:51 C 15 10 26.89 +41 40 44.1 o 379
2005-05-20 20:41:38 C 15 25 38.12 +41 54 39.2 r 084
2005-05-20 20:42:04 C 15 25 38.98 +41 54 40.0 r 084
2005-05-20 20:42:55 C 15 25 40.67 +41 54 41.7 r 084
2005-05-20 20:43:21 C 15 25 41.51 +41 54 42.6 r 084
2005-05-20 23:34:41 C 15 31 22.50 +41 58 53.0 r 084
2005-05-20 23:35:06 C 15 31 23.36 +41 58 53.5 r 084
2005-05-20 23:35:32 C 15 31 24.30 +41 58 53.7 r 084
2005-05-20 23:35:57 C 15 31 25.10 +41 58 54.5 r 084
2005-05-20 23:36:23 C 15 31 25.95 +41 58 54.9 r 084
2005-05-20 23:38:35 C 15 31 30.43 +41 58 56.9 r 084
2005-05-20 23:39:00 C 15 31 31.31 +41 58 57.4 r 084
2005-05-21 20:42:05 C 16 20 18.40 +41 53 41.5 r 157
2005-05-21 20:43:04 C 16 20 20.78 +41 53 39.1 r 157
2005-05-21 20:43:47 C 16 20 09.61 +41 51 55.6 r 084
2005-05-21 20:44:05 C 16 20 23.12 +41 53 37.9 r 157
2005-05-21 20:44:13 C 16 20 10.62 +41 51 54.6 r 084
2005-05-21 20:44:38 C 16 20 11.58 +41 51 53.8 r 084
2005-05-21 20:45:04 C 16 20 12.68 +41 51 52.9 r 084
2005-05-21 20:45:04 C 16 20 25.55 +41 53 36.6 r 157
2005-05-21 20:45:29 C 16 20 13.61 +41 51 52.1 r 084
2005-05-21 20:58:46 C 16 21 06.99 +41 52 23.1 r 938
2005-05-21 21:32:40 C 16 22 27.84 +41 51 30.4 r 938
2005-05-21 21:55:54 C 16 23 23.02 +41 50 50.3 r 938
2005-05-21 22:30:59 C 16 24 46.22 +41 49 42.9 r 938
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)