1864 Daedalus (1971 FA)

NEO ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar ⇩ Gaia
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.6144457497 ± 9.02e-09
Semi-major axis (a)1.4608394399 AU ± 7.41e-10
Inclination (i)22.21687740° ± 1.11e-06
Long. of Asc. Node (Ω)6.59701837° ± 1.87e-06
Arg. of Perihelion (ω)325.66177542° ± 1.90e-06
Mean Anomaly (M)257.57085481° ± 1.82e-06
Mean Motion (n)0.5582240560°/day ± 4.25e-10
Perihelion dist (q)0.56323286 AU ± 1.32e-08
Aphelion dist (Q)2.35844602 AU ± 1.32e-08
Orbital Period1.76564638 yr ± 1.34e-09
Physical Parameters
H (abs. magnitude)14.83
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-05-31
RMS Residual0.311″
Uncertainty0
Orbit TypeApollo
MOID0.269202 AU
Observations Used6128
Radar Obs Used1
Gaia Obs Used126
Oppositions20
Arc Total1971-2026
First Observation Used1971-03-24
Last Observation Used2026-04-04
Observations (7777)
Date Type RA Dec Mag Band Observatory
2024-05-03 09:44:13 C 10 52 27.47 -05 37 10.9 Z R78
2024-05-03 09:45:21 C 10 52 27.36 -05 37 11.0 Z R78
2024-05-03 09:46:29 C 10 52 27.25 -05 37 11.1 Z R78
2024-05-03 09:47:38 C 10 52 27.16 -05 37 11.1 Z R78
2024-05-03 09:48:46 C 10 52 27.05 -05 37 11.2 Z R78
2024-05-03 09:49:54 C 10 52 26.94 -05 37 11.2 Z R78
2024-05-03 09:51:02 C 10 52 26.84 -05 37 11.2 Z R78
2024-05-03 09:52:11 C 10 52 26.73 -05 37 11.3 Z R78
2024-05-03 09:53:19 C 10 52 26.63 -05 37 11.2 Z R78
2024-05-03 09:54:28 C 10 52 26.51 -05 37 11.3 Z R78
2024-05-03 09:55:36 C 10 52 26.42 -05 37 11.4 Z R78
2024-05-03 09:56:45 C 10 52 26.30 -05 37 11.4 Z R78
2024-05-03 09:57:53 C 10 52 26.20 -05 37 11.5 Z R78
2024-05-03 09:59:01 C 10 52 26.09 -05 37 11.5 Z R78
2024-05-03 10:00:09 C 10 52 25.99 -05 37 11.5 Z R78
2024-05-03 10:01:18 C 10 52 25.88 -05 37 11.6 Z R78
2024-05-03 10:02:26 C 10 52 25.78 -05 37 11.6 Z R78
2024-05-03 10:03:34 C 10 52 25.67 -05 37 11.6 Z R78
2024-05-03 10:04:42 C 10 52 25.56 -05 37 11.7 Z R78
2024-05-03 10:05:51 C 10 52 25.47 -05 37 11.8 Z R78
2024-05-03 10:06:59 C 10 52 25.35 -05 37 11.8 Z R78
2024-05-03 10:08:07 C 10 52 25.25 -05 37 11.8 Z R78
2024-05-03 10:09:15 C 10 52 25.14 -05 37 11.9 Z R78
2024-05-03 10:10:24 C 10 52 25.03 -05 37 12.0 Z R78
2024-05-03 10:11:32 C 10 52 24.94 -05 37 12.0 Z R78
2024-05-03 10:12:40 C 10 52 24.84 -05 37 12.0 Z R78
2024-05-03 10:13:48 C 10 52 24.72 -05 37 12.0 Z R78
2024-05-03 10:14:57 C 10 52 24.61 -05 37 12.1 Z R78
2024-05-03 10:16:05 C 10 52 24.52 -05 37 12.1 Z R78
2024-05-03 10:17:13 C 10 52 24.40 -05 37 12.1 Z R78
2024-05-03 10:18:21 C 10 52 24.31 -05 37 12.3 Z R78
2024-05-03 10:19:31 C 10 52 24.19 -05 37 12.2 Z R78
2024-05-03 10:20:39 C 10 52 24.10 -05 37 12.3 Z R78
2024-05-03 10:21:47 C 10 52 23.98 -05 37 12.3 Z R78
2024-05-03 10:22:55 C 10 52 23.88 -05 37 12.4 Z R78
2024-05-03 10:24:04 C 10 52 23.78 -05 37 12.5 Z R78
2024-05-03 10:25:12 C 10 52 23.67 -05 37 12.5 Z R78
2024-05-03 10:26:20 C 10 52 23.57 -05 37 12.5 Z R78
2024-05-03 10:27:28 C 10 52 23.46 -05 37 13.6 Z R78
2024-05-03 10:28:37 C 10 52 23.36 -05 37 12.6 Z R78
2024-05-03 10:29:45 C 10 52 23.24 -05 37 12.6 Z R78
2024-05-03 10:30:53 C 10 52 23.15 -05 37 12.9 Z R78
2024-05-03 10:32:01 C 10 52 23.05 -05 37 12.8 Z R78
2024-05-03 10:33:10 C 10 52 22.94 -05 37 12.8 Z R78
2024-05-03 10:34:18 C 10 52 22.82 -05 37 12.8 Z R78
2024-05-03 10:35:26 C 10 52 22.71 -05 37 12.9 Z R78
2024-05-03 10:36:34 C 10 52 22.62 -05 37 12.8 Z R78
2024-05-03 10:37:43 C 10 52 22.51 -05 37 13.0 Z R78
2024-05-03 10:38:51 C 10 52 22.41 -05 37 13.1 Z R78
2024-05-03 10:39:59 C 10 52 22.30 -05 37 13.1 Z R78
Radar Observations (1)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2015-11-25 18:18:00 332241055.93 4 us 2380 -1 -1
Station codes
-1 Arecibo (305-m, 1963–2020)