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
2024-05-04 07:17:46 C 10 50 32.76 -05 38 07.7 Z R78
2024-05-04 07:18:54 C 10 50 32.66 -05 38 07.8 Z R78
2024-05-04 07:20:02 C 10 50 32.56 -05 38 07.8 Z R78
2024-05-04 07:21:11 C 10 50 32.46 -05 38 07.8 Z R78
2024-05-04 07:22:19 C 10 50 32.35 -05 38 07.9 Z R78
2024-05-04 07:23:27 C 10 50 32.25 -05 38 08.0 Z R78
2024-05-04 07:24:35 C 10 50 32.14 -05 38 08.1 Z R78
2024-05-04 07:25:44 C 10 50 32.04 -05 38 08.1 Z R78
2024-05-04 07:26:52 C 10 50 31.94 -05 38 08.2 Z R78
2024-05-04 07:28:00 C 10 50 31.83 -05 38 08.2 Z R78
2024-05-04 07:29:09 C 10 50 31.73 -05 38 08.3 Z R78
2024-05-04 07:30:17 C 10 50 31.63 -05 38 08.3 Z R78
2024-05-04 07:31:25 C 10 50 31.53 -05 38 08.4 Z R78
2024-05-04 07:32:33 C 10 50 31.42 -05 38 08.4 Z R78
2024-05-04 07:33:42 C 10 50 31.32 -05 38 08.4 Z R78
2024-05-04 07:34:51 C 10 50 31.22 -05 38 08.5 Z R78
2024-05-04 07:35:59 C 10 50 31.11 -05 38 08.6 Z R78
2024-05-04 07:37:07 C 10 50 31.01 -05 38 08.6 Z R78
2024-05-04 07:38:15 C 10 50 30.91 -05 38 08.7 Z R78
2024-05-04 07:39:24 C 10 50 30.81 -05 38 08.8 Z R78
2024-05-04 07:40:32 C 10 50 30.71 -05 38 08.8 Z R78
2024-05-04 07:41:40 C 10 50 30.60 -05 38 08.9 Z R78
2024-05-04 07:42:48 C 10 50 30.50 -05 38 08.9 Z R78
2024-05-04 07:43:57 C 10 50 30.39 -05 38 09.0 Z R78
2024-05-04 07:45:05 C 10 50 30.29 -05 38 09.1 Z R78
2024-05-04 07:46:13 C 10 50 30.19 -05 38 09.1 Z R78
2024-05-04 07:47:21 C 10 50 30.09 -05 38 09.1 Z R78
2024-05-04 07:48:30 C 10 50 29.98 -05 38 09.2 Z R78
2024-05-04 07:49:38 C 10 50 29.87 -05 38 09.2 Z R78
2024-05-04 07:50:46 C 10 50 29.77 -05 38 09.4 Z R78
2024-05-04 07:51:55 C 10 50 29.68 -05 38 09.4 Z R78
2024-05-04 07:53:03 C 10 50 29.57 -05 38 09.4 Z R78
2024-05-04 07:54:11 C 10 50 29.47 -05 38 09.5 Z R78
2024-05-04 07:55:19 C 10 50 29.37 -05 38 09.5 Z R78
2024-05-04 07:56:28 C 10 50 29.27 -05 38 09.6 Z R78
2024-05-04 07:57:36 C 10 50 29.16 -05 38 09.7 Z R78
2024-05-04 07:58:44 C 10 50 29.06 -05 38 09.6 Z R78
2024-05-04 07:59:52 C 10 50 28.96 -05 38 09.7 Z R78
2024-05-04 08:01:01 C 10 50 28.85 -05 38 09.8 Z R78
2024-05-04 08:02:09 C 10 50 28.74 -05 38 09.9 Z R78
2024-05-04 08:03:17 C 10 50 28.65 -05 38 09.9 Z R78
2024-05-04 08:04:26 C 10 50 28.56 -05 38 10.0 Z R78
2024-05-04 08:05:34 C 10 50 28.44 -05 38 10.0 Z R78
2024-05-04 08:06:43 C 10 50 28.33 -05 38 10.0 Z R78
2024-05-04 08:07:51 C 10 50 28.23 -05 38 10.1 Z R78
2024-05-04 08:08:59 C 10 50 28.13 -05 38 10.1 Z R78
2024-05-04 08:10:07 C 10 50 28.03 -05 38 10.2 Z R78
2024-05-04 08:11:16 C 10 50 27.92 -05 38 10.3 Z R78
2024-05-04 08:12:24 C 10 50 27.83 -05 38 10.4 Z R78
2024-05-04 08:13:32 C 10 50 27.72 -05 38 10.4 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)