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
2005-05-11 20:25:34 C 12 31 46.31 +29 37 31.3 r A06
2005-05-11 20:30:53 C 12 31 47.44 +29 37 44.1 r A06
2005-05-11 20:36:14 C 12 31 48.51 +29 37 55.7 r A06
2005-05-11 20:43:54 C 12 31 48.61 +29 38 02.1 c A48
2005-05-11 20:48:02 C 12 31 49.46 +29 38 11.1 c A48
2005-05-11 20:52:10 C 12 31 50.32 +29 38 20.4 c A48
2005-05-11 20:56:19 C 12 31 51.17 +29 38 29.5 c A48
2005-05-11 21:11:24 C 12 31 55.13 +29 38 46.3 c 127
2005-05-11 21:15:40 C 12 31 56.05 +29 38 55.5 c 127
2005-05-11 21:21:17 C 12 31 57.25 +29 39 07.9 c 127
2005-05-11 21:26:28 C 12 31 58.35 +29 39 19.3 c 127
2005-05-11 21:31:44 C 12 31 59.44 +29 39 30.8 c 127
2005-05-11 21:51:42 C 12 32 01.93 +29 40 16.9 r 118
2005-05-11 21:53:19 C 12 32 02.29 +29 40 20.4 r 118
2005-05-11 21:59:43 C 12 32 03.70 +29 40 33.9 r 118
2005-05-11 22:01:19 C 12 32 04.02 +29 40 37.2 r 118
2005-05-11 22:02:55 C 12 32 04.40 +29 40 40.7 r 118
2005-05-12 19:44:30 C 12 38 10.84 +30 32 07.5 r A30
2005-05-12 19:45:14 C 12 38 11.02 +30 32 09.5 r A30
2005-05-12 19:47:28 C 12 38 11.58 +30 32 15.2 r A30
2005-05-12 19:48:34 C 12 38 11.85 +30 32 17.8 r A30
2005-05-12 19:49:41 C 12 38 12.12 +30 32 20.7 r A30
2005-05-12 20:18:29 C 12 38 16.60 +30 32 44.5 r 084
2005-05-12 20:20:36 C 12 38 17.16 +30 32 49.7 r 084
2005-05-12 20:28:46 C 12 38 21.75 +30 33 42.4 c A35
2005-05-12 20:30:06 C 12 38 22.09 +30 33 45.6 c A35
2005-05-12 20:30:08 C 12 38 21.24 +30 33 52.9 r 118
2005-05-12 20:31:26 C 12 38 22.42 +30 33 48.8 c A35
2005-05-12 20:32:46 C 12 38 22.76 +30 33 52.1 c A35
2005-05-12 20:36:31 C 12 38 22.89 +30 34 08.5 r 118
2005-05-12 20:39:44 C 12 38 23.68 +30 34 16.3 r 118
2005-05-12 20:42:56 C 12 38 24.50 +30 34 24.2 r 118
2005-05-12 20:49:20 C 12 38 26.16 +30 34 39.9 r 118
2005-05-12 21:27:16 C 12 38 36.99 +30 36 24.4 c 560
2005-05-12 21:30:05 C 12 38 37.70 +30 36 31.2 c 560
2005-05-12 21:32:55 C 12 38 38.40 +30 36 38.1 c 560
2005-05-13 20:35:33 C 12 46 21.43 +31 37 37.2 r 118
2005-05-13 20:37:09 C 12 46 21.90 +31 37 41.5 r 118
2005-05-13 20:40:22 C 12 46 22.92 +31 37 50.5 r 118
2005-05-13 20:45:10 C 12 46 24.47 +31 38 03.7 r 118
2005-05-13 20:53:11 C 12 46 26.96 +31 38 25.7 r 118
2005-05-14 06:30:55 C 12 50 03.01 +32 07 04.0 r 703
2005-05-14 06:42:27 C 12 50 06.93 +32 07 35.7 r 703
2005-05-14 06:54:05 C 12 50 10.88 +32 08 07.4 r 703
2005-05-14 07:05:41 C 12 50 14.89 +32 08 39.1 r 703
2005-05-14 22:04:46 C 12 56 43.95 +32 53 30.5 o A32
2005-05-14 22:07:59 C 12 56 45.27 +32 53 40.2 o A32
2005-05-14 22:11:14 C 12 56 46.59 +32 53 50.5 o A32
2005-05-14 22:14:26 C 12 56 47.95 +32 54 00.6 o A32
2005-05-15 14:28:18 C 13 04 42.70 +33 49 17.3 r 379
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)