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 10:11:03 C 10 50 17.11 -05 38 15.8 Z R78
2024-05-04 10:12:12 C 10 50 17.01 -05 38 15.9 Z R78
2024-05-04 10:13:20 C 10 50 16.90 -05 38 16.0 Z R78
2024-05-04 10:14:28 C 10 50 16.81 -05 38 15.9 Z R78
2024-05-04 10:15:36 C 10 50 16.69 -05 38 16.2 Z R78
2024-05-04 10:16:45 C 10 50 16.60 -05 38 16.1 Z R78
2024-05-04 10:17:53 C 10 50 16.49 -05 38 16.3 Z R78
2024-05-04 10:19:01 C 10 50 16.39 -05 38 16.2 Z R78
2024-05-04 10:20:09 C 10 50 16.28 -05 38 16.4 Z R78
2024-05-04 10:21:18 C 10 50 16.18 -05 38 16.5 Z R78
2024-05-04 10:22:26 C 10 50 16.09 -05 38 16.5 Z R78
2024-05-04 10:23:34 C 10 50 15.97 -05 38 16.4 Z R78
2024-05-04 10:24:42 C 10 50 15.89 -05 38 16.4 Z R78
2024-05-04 10:25:51 C 10 50 15.78 -05 38 16.5 Z R78
2024-05-04 10:26:59 C 10 50 15.68 -05 38 16.7 Z R78
2024-05-04 10:28:07 C 10 50 15.58 -05 38 16.7 Z R78
2024-05-04 10:29:15 C 10 50 15.47 -05 38 16.7 Z R78
2024-05-04 10:30:24 C 10 50 15.37 -05 38 16.8 Z R78
2024-05-04 10:31:32 C 10 50 15.27 -05 38 16.9 Z R78
2024-05-04 10:32:40 C 10 50 15.19 -05 38 16.9 Z R78
2024-05-04 10:33:48 C 10 50 15.07 -05 38 17.0 Z R78
2024-05-04 10:34:57 C 10 50 14.96 -05 38 17.1 Z R78
2024-05-04 10:36:05 C 10 50 14.86 -05 38 17.1 Z R78
2024-05-04 10:37:13 C 10 50 14.75 -05 38 17.0 Z R78
2024-05-04 10:38:21 C 10 50 14.66 -05 38 17.1 Z R78
2024-05-04 10:39:30 C 10 50 14.55 -05 38 17.2 Z R78
2024-05-04 10:40:38 C 10 50 14.45 -05 38 17.1 Z R78
2024-05-04 10:41:46 C 10 50 14.35 -05 38 17.3 Z R78
2024-05-04 10:42:55 C 10 50 14.26 -05 38 17.2 Z R78
2024-05-04 10:44:03 C 10 50 14.13 -05 38 17.4 Z R78
2024-05-04 10:45:11 C 10 50 14.03 -05 38 17.4 Z R78
2024-05-04 10:46:20 C 10 50 13.95 -05 38 17.4 Z R78
2024-05-04 10:47:28 C 10 50 13.83 -05 38 17.5 Z R78
2024-05-04 10:48:37 C 10 50 13.73 -05 38 17.6 Z R78
2024-05-04 10:49:45 C 10 50 13.63 -05 38 17.6 Z R78
2024-05-04 10:50:53 C 10 50 13.53 -05 38 17.6 Z R78
2024-05-04 10:52:01 C 10 50 13.42 -05 38 17.7 Z R78
2024-05-04 10:53:10 C 10 50 13.33 -05 38 17.7 Z R78
2024-05-04 10:54:18 C 10 50 13.23 -05 38 17.7 Z R78
2024-05-04 10:55:26 C 10 50 13.13 -05 38 18.0 Z R78
2024-05-04 10:56:34 C 10 50 13.02 -05 38 17.9 Z R78
2024-05-04 10:57:43 C 10 50 12.92 -05 38 18.0 Z R78
2024-05-04 19:24:30 C 10 49 29.20 -05 38 59.9 X G02
2024-05-04 19:30:51 C 10 49 28.65 -05 39 00.4 X G02
2024-05-04 19:36:57 C 10 49 28.10 -05 39 00.5 X G02
2024-05-06 04:43:15 C 10 46 40.220 -05 40 50.77 V 703
2024-05-06 04:46:44 C 10 46 39.918 -05 40 51.17 V 703
2024-05-06 04:50:13 C 10 46 39.612 -05 40 51.31 V 703
2024-05-06 04:53:41 C 10 46 39.317 -05 40 51.60 V 703
2024-05-06 06:48:16 C 10 46 30.067 -05 40 56.71 V T05
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)