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 08:47:18 C 10 52 32.77 -05 37 08.5 Z R78
2024-05-03 08:48:27 C 10 52 32.65 -05 37 08.7 Z R78
2024-05-03 08:49:35 C 10 52 32.55 -05 37 08.8 Z R78
2024-05-03 08:50:43 C 10 52 32.44 -05 37 08.8 Z R78
2024-05-03 08:51:51 C 10 52 32.34 -05 37 08.9 Z R78
2024-05-03 08:53:00 C 10 52 32.22 -05 37 08.9 Z R78
2024-05-03 08:54:09 C 10 52 32.12 -05 37 09.0 Z R78
2024-05-03 08:55:17 C 10 52 32.02 -05 37 09.0 Z R78
2024-05-03 08:56:25 C 10 52 31.92 -05 37 09.0 Z R78
2024-05-03 08:57:33 C 10 52 31.81 -05 37 09.1 Z R78
2024-05-03 08:58:42 C 10 52 31.70 -05 37 09.1 Z R78
2024-05-03 08:59:50 C 10 52 31.60 -05 37 09.2 Z R78
2024-05-03 09:00:58 C 10 52 31.50 -05 37 09.3 Z R78
2024-05-03 09:02:07 C 10 52 31.39 -05 37 09.3 Z R78
2024-05-03 09:03:15 C 10 52 31.27 -05 37 09.3 Z R78
2024-05-03 09:04:23 C 10 52 31.17 -05 37 09.4 Z R78
2024-05-03 09:05:31 C 10 52 31.07 -05 37 09.5 Z R78
2024-05-03 09:06:40 C 10 52 30.96 -05 37 09.4 Z R78
2024-05-03 09:07:48 C 10 52 30.85 -05 37 09.5 Z R78
2024-05-03 09:08:56 C 10 52 30.75 -05 37 09.5 Z R78
2024-05-03 09:10:04 C 10 52 30.64 -05 37 09.6 Z R78
2024-05-03 09:11:13 C 10 52 30.54 -05 37 09.7 Z R78
2024-05-03 09:12:22 C 10 52 30.43 -05 37 09.7 Z R78
2024-05-03 09:13:30 C 10 52 30.31 -05 37 09.8 Z R78
2024-05-03 09:14:38 C 10 52 30.22 -05 37 09.7 Z R78
2024-05-03 09:15:46 C 10 52 30.12 -05 37 09.9 Z R78
2024-05-03 09:16:55 C 10 52 30.01 -05 37 09.8 Z R78
2024-05-03 09:18:03 C 10 52 29.90 -05 37 09.9 Z R78
2024-05-03 09:19:11 C 10 52 29.80 -05 37 10.0 Z R78
2024-05-03 09:20:19 C 10 52 29.69 -05 37 10.0 Z R78
2024-05-03 09:21:28 C 10 52 29.58 -05 37 10.1 Z R78
2024-05-03 09:22:36 C 10 52 29.48 -05 37 10.0 Z R78
2024-05-03 09:23:44 C 10 52 29.36 -05 37 10.1 Z R78
2024-05-03 09:24:52 C 10 52 29.26 -05 37 10.2 Z R78
2024-05-03 09:26:01 C 10 52 29.16 -05 37 10.2 Z R78
2024-05-03 09:27:09 C 10 52 29.06 -05 37 10.3 Z R78
2024-05-03 09:28:17 C 10 52 28.95 -05 37 10.3 Z R78
2024-05-03 09:29:26 C 10 52 28.85 -05 37 10.4 Z R78
2024-05-03 09:30:34 C 10 52 28.74 -05 37 10.4 Z R78
2024-05-03 09:31:42 C 10 52 28.63 -05 37 10.5 Z R78
2024-05-03 09:32:50 C 10 52 28.53 -05 37 10.5 Z R78
2024-05-03 09:33:59 C 10 52 28.42 -05 37 10.6 Z R78
2024-05-03 09:35:07 C 10 52 28.32 -05 37 10.6 Z R78
2024-05-03 09:36:15 C 10 52 28.21 -05 37 10.7 Z R78
2024-05-03 09:37:23 C 10 52 28.11 -05 37 10.6 Z R78
2024-05-03 09:38:32 C 10 52 28.00 -05 37 10.7 Z R78
2024-05-03 09:39:40 C 10 52 27.89 -05 37 10.8 Z R78
2024-05-03 09:40:48 C 10 52 27.79 -05 37 10.8 Z R78
2024-05-03 09:41:56 C 10 52 27.67 -05 37 10.8 Z R78
2024-05-03 09:43:05 C 10 52 27.58 -05 37 10.9 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)