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 09:14:08 C 10 50 22.29 -05 38 13.4 Z R78
2024-05-04 09:15:16 C 10 50 22.14 -05 38 14.2 Z R78
2024-05-04 09:16:24 C 10 50 22.07 -05 38 13.5 Z R78
2024-05-04 09:17:34 C 10 50 21.88 -05 38 14.2 Z R78
2024-05-04 09:18:42 C 10 50 21.84 -05 38 13.4 Z R78
2024-05-04 09:19:50 C 10 50 21.71 -05 38 13.6 Z R78
2024-05-04 09:20:58 C 10 50 21.64 -05 38 14.1 Z R78
2024-05-04 09:22:07 C 10 50 21.52 -05 38 13.8 Z R78
2024-05-04 09:23:15 C 10 50 21.41 -05 38 13.5 Z R78
2024-05-04 09:24:23 C 10 50 21.32 -05 38 13.8 Z R78
2024-05-04 09:25:31 C 10 50 21.21 -05 38 13.7 Z R78
2024-05-04 09:26:40 C 10 50 21.10 -05 38 13.9 Z R78
2024-05-04 09:27:48 C 10 50 21.01 -05 38 13.8 Z R78
2024-05-04 09:28:56 C 10 50 20.90 -05 38 13.9 Z R78
2024-05-04 09:30:04 C 10 50 20.80 -05 38 13.9 Z R78
2024-05-04 09:31:13 C 10 50 20.70 -05 38 13.9 Z R78
2024-05-04 09:32:21 C 10 50 20.59 -05 38 14.0 Z R78
2024-05-04 09:33:29 C 10 50 20.49 -05 38 14.0 Z R78
2024-05-04 09:34:37 C 10 50 20.39 -05 38 14.2 Z R78
2024-05-04 09:35:46 C 10 50 20.29 -05 38 14.3 Z R78
2024-05-04 09:36:54 C 10 50 20.18 -05 38 14.3 Z R78
2024-05-04 09:38:02 C 10 50 20.10 -05 38 14.2 Z R78
2024-05-04 09:39:10 C 10 50 19.97 -05 38 14.4 Z R78
2024-05-04 09:40:19 C 10 50 19.86 -05 38 14.4 Z R78
2024-05-04 09:41:27 C 10 50 19.78 -05 38 14.5 Z R78
2024-05-04 09:42:35 C 10 50 19.67 -05 38 14.5 Z R78
2024-05-04 09:43:43 C 10 50 19.57 -05 38 14.6 Z R78
2024-05-04 09:44:52 C 10 50 19.47 -05 38 14.7 Z R78
2024-05-04 09:46:01 C 10 50 19.37 -05 38 14.6 Z R78
2024-05-04 09:47:09 C 10 50 19.26 -05 38 14.8 Z R78
2024-05-04 09:48:17 C 10 50 19.16 -05 38 14.8 Z R78
2024-05-04 09:49:26 C 10 50 19.05 -05 38 14.8 Z R78
2024-05-04 09:50:34 C 10 50 18.95 -05 38 15.1 Z R78
2024-05-04 09:51:42 C 10 50 18.86 -05 38 15.0 Z R78
2024-05-04 09:52:50 C 10 50 18.75 -05 38 15.1 Z R78
2024-05-04 09:53:59 C 10 50 18.65 -05 38 15.1 Z R78
2024-05-04 09:55:07 C 10 50 18.55 -05 38 15.0 Z R78
2024-05-04 09:56:15 C 10 50 18.42 -05 38 15.2 Z R78
2024-05-04 09:57:23 C 10 50 18.32 -05 38 15.3 Z R78
2024-05-04 09:58:32 C 10 50 18.24 -05 38 15.4 Z R78
2024-05-04 09:59:40 C 10 50 18.13 -05 38 15.4 Z R78
2024-05-04 10:00:48 C 10 50 18.03 -05 38 15.4 Z R78
2024-05-04 10:01:56 C 10 50 17.93 -05 38 15.4 Z R78
2024-05-04 10:03:05 C 10 50 17.82 -05 38 15.5 Z R78
2024-05-04 10:04:13 C 10 50 17.71 -05 38 15.5 Z R78
2024-05-04 10:05:21 C 10 50 17.62 -05 38 15.6 Z R78
2024-05-04 10:06:30 C 10 50 17.51 -05 38 15.6 Z R78
2024-05-04 10:07:38 C 10 50 17.41 -05 38 15.7 Z R78
2024-05-04 10:08:47 C 10 50 17.31 -05 38 15.7 Z R78
2024-05-04 10:09:55 C 10 50 17.21 -05 38 15.8 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)