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 08:14:40 C 10 50 27.62 -05 38 10.4 Z R78
2024-05-04 08:15:49 C 10 50 27.51 -05 38 10.5 Z R78
2024-05-04 08:16:57 C 10 50 27.40 -05 38 10.6 Z R78
2024-05-04 08:18:05 C 10 50 27.31 -05 38 10.6 Z R78
2024-05-04 08:19:14 C 10 50 27.20 -05 38 10.7 Z R78
2024-05-04 08:20:22 C 10 50 27.10 -05 38 10.7 Z R78
2024-05-04 08:21:30 C 10 50 27.00 -05 38 10.6 Z R78
2024-05-04 08:22:38 C 10 50 26.90 -05 38 10.9 Z R78
2024-05-04 08:23:47 C 10 50 26.78 -05 38 10.9 Z R78
2024-05-04 08:24:55 C 10 50 26.69 -05 38 10.9 Z R78
2024-05-04 08:26:03 C 10 50 26.58 -05 38 10.9 Z R78
2024-05-04 08:29:44 C 10 50 26.26 -05 38 11.2 Z R78
2024-05-04 08:30:52 C 10 50 26.15 -05 38 11.2 Z R78
2024-05-04 08:32:01 C 10 50 26.06 -05 38 11.4 Z R78
2024-05-04 08:33:09 C 10 50 25.93 -05 38 11.5 Z R78
2024-05-04 08:34:17 C 10 50 25.85 -05 38 11.2 Z R78
2024-05-04 08:35:26 C 10 50 25.76 -05 38 12.0 Z R78
2024-05-04 08:36:34 C 10 50 25.65 -05 38 11.4 Z R78
2024-05-04 08:37:43 C 10 50 25.53 -05 38 11.5 Z R78
2024-05-04 08:38:51 C 10 50 25.44 -05 38 11.5 Z R78
2024-05-04 08:39:59 C 10 50 25.33 -05 38 11.5 Z R78
2024-05-04 08:41:08 C 10 50 25.21 -05 38 11.1 Z R78
2024-05-04 08:42:16 C 10 50 25.11 -05 38 12.7 Z R78
2024-05-04 08:43:24 C 10 50 24.99 -05 38 11.6 Z R78
2024-05-04 08:44:32 C 10 50 24.90 -05 38 11.9 Z R78
2024-05-04 08:45:41 C 10 50 24.82 -05 38 12.1 Z R78
2024-05-04 08:46:49 C 10 50 24.70 -05 38 12.0 Z R78
2024-05-04 08:47:57 C 10 50 24.62 -05 38 11.1 Z R78
2024-05-04 08:49:05 C 10 50 24.49 -05 38 12.9 Z R78
2024-05-04 08:50:14 C 10 50 24.32 -05 38 15.6 Z R78
2024-05-04 08:51:22 C 10 50 24.31 -05 38 14.5 Z R78
2024-05-04 08:52:30 C 10 50 24.32 -05 38 15.6 Z R78
2024-05-04 08:53:38 C 10 50 24.09 -05 38 12.4 Z R78
2024-05-04 08:54:47 C 10 50 23.99 -05 38 12.5 Z R78
2024-05-04 08:55:55 C 10 50 23.92 -05 38 12.5 Z R78
2024-05-04 08:57:03 C 10 50 23.79 -05 38 12.5 Z R78
2024-05-04 08:58:12 C 10 50 23.69 -05 38 12.3 Z R78
2024-05-04 08:59:21 C 10 50 23.57 -05 38 12.6 Z R78
2024-05-04 09:00:29 C 10 50 23.47 -05 38 12.6 Z R78
2024-05-04 09:01:37 C 10 50 23.37 -05 38 12.6 Z R78
2024-05-04 09:02:45 C 10 50 23.26 -05 38 12.7 Z R78
2024-05-04 09:03:54 C 10 50 23.18 -05 38 12.7 Z R78
2024-05-04 09:05:02 C 10 50 23.06 -05 38 12.7 Z R78
2024-05-04 09:06:10 C 10 50 22.96 -05 38 12.9 Z R78
2024-05-04 09:07:18 C 10 50 22.85 -05 38 12.9 Z R78
2024-05-04 09:08:27 C 10 50 22.75 -05 38 12.9 Z R78
2024-05-04 09:09:35 C 10 50 22.68 -05 38 12.6 Z R78
2024-05-04 09:10:43 C 10 50 22.58 -05 38 11.7 Z R78
2024-05-04 09:11:51 C 10 50 22.42 -05 38 12.8 Z R78
2024-05-04 09:13:00 C 10 50 22.31 -05 38 12.9 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)