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
2015-02-20 06:49:37 C 10 04 49.66 +18 13 07.2 q G96
2015-03-14 06:15:35 C 09 26 56.947 +22 11 32.03 L F51
2015-03-14 06:35:09 C 09 26 55.561 +22 11 38.66 L F51
2015-03-14 06:55:39 C 09 26 54.120 +22 11 45.65 L F51
2015-03-14 07:14:16 C 09 26 52.785 +22 11 51.96 L F51
2015-03-15 06:06:47 C 09 25 23.369 +22 19 10.90 L F51
2015-03-15 06:25:12 C 09 25 22.107 +22 19 17.00 L F51
2015-03-15 06:43:37 C 09 25 20.819 +22 19 22.83 L F51
2015-07-30 01:49:29 C 15 27 07.80 -24 14 09.2 u 807
2015-07-30 01:53:48 C 15 27 09.11 -24 14 14.5 u 807
2015-07-30 01:58:05 C 15 27 10.42 -24 14 20.3 u 807
2015-07-30 02:02:23 C 15 27 11.71 -24 14 25.7 u 807
2015-07-30 02:06:38 C 15 27 12.99 -24 14 31.6 u 807
2020-01-26 12:41:24 C 09 46 44.801 +17 42 13.01 U F51
2020-01-26 13:03:38 C 09 46 43.763 +17 42 21.23 U F51
2020-01-26 13:23:56 C 09 46 42.785 +17 42 28.90 U F51
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)