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 07:40:32 C 10 52 38.99 -05 37 05.9 Z R78
2024-05-03 07:41:40 C 10 52 38.88 -05 37 06.0 Z R78
2024-05-03 07:42:48 C 10 52 38.77 -05 37 06.0 Z R78
2024-05-03 07:43:57 C 10 52 38.66 -05 37 06.1 Z R78
2024-05-03 07:45:05 C 10 52 38.56 -05 37 06.1 Z R78
2024-05-03 07:46:13 C 10 52 38.46 -05 37 06.1 Z R78
2024-05-03 07:47:21 C 10 52 38.35 -05 37 06.2 Z R78
2024-05-03 07:48:30 C 10 52 38.25 -05 37 06.3 Z R78
2024-05-03 07:49:38 C 10 52 38.13 -05 37 06.4 Z R78
2024-05-03 07:50:46 C 10 52 38.02 -05 37 06.4 Z R78
2024-05-03 07:51:55 C 10 52 37.92 -05 37 06.5 Z R78
2024-05-03 07:53:03 C 10 52 37.82 -05 37 06.4 Z R78
2024-05-03 07:54:11 C 10 52 37.71 -05 37 06.7 Z R78
2024-05-03 07:55:19 C 10 52 37.60 -05 37 06.8 Z R78
2024-05-03 07:56:28 C 10 52 37.50 -05 37 06.6 Z R78
2024-05-03 07:57:36 C 10 52 37.39 -05 37 06.7 Z R78
2024-05-03 07:58:44 C 10 52 37.28 -05 37 06.7 Z R78
2024-05-03 07:59:52 C 10 52 37.19 -05 37 06.7 Z R78
2024-05-03 08:01:01 C 10 52 37.08 -05 37 06.7 Z R78
2024-05-03 08:02:09 C 10 52 36.96 -05 37 06.8 Z R78
2024-05-03 08:03:17 C 10 52 36.86 -05 37 06.9 Z R78
2024-05-03 08:04:25 C 10 52 36.75 -05 37 06.9 Z R78
2024-05-03 08:05:34 C 10 52 36.64 -05 37 07.0 Z R78
2024-05-03 08:06:42 C 10 52 36.56 -05 37 07.0 Z R78
2024-05-03 08:07:50 C 10 52 36.44 -05 37 07.0 Z R78
2024-05-03 08:08:58 C 10 52 36.33 -05 37 07.1 Z R78
2024-05-03 08:10:07 C 10 52 36.23 -05 37 07.1 Z R78
2024-05-03 08:11:16 C 10 52 36.12 -05 37 07.2 Z R78
2024-05-03 08:12:24 C 10 52 36.02 -05 37 07.3 Z R78
2024-05-03 08:13:32 C 10 52 35.90 -05 37 07.4 Z R78
2024-05-03 08:14:40 C 10 52 35.81 -05 37 07.4 Z R78
2024-05-03 08:15:49 C 10 52 35.70 -05 37 07.3 Z R78
2024-05-03 08:16:57 C 10 52 35.60 -05 37 07.5 Z R78
2024-05-03 08:18:05 C 10 52 35.49 -05 37 07.4 Z R78
2024-05-03 08:19:14 C 10 52 35.37 -05 37 07.6 Z R78
2024-05-03 08:20:22 C 10 52 35.27 -05 37 07.5 Z R78
2024-05-03 08:21:30 C 10 52 35.17 -05 37 07.5 Z R78
2024-05-03 08:22:38 C 10 52 35.06 -05 37 07.6 Z R78
2024-05-03 08:33:39 C 10 52 34.04 -05 37 08.1 Z R78
2024-05-03 08:34:47 C 10 52 33.93 -05 37 08.1 Z R78
2024-05-03 08:35:56 C 10 52 33.81 -05 37 08.2 Z R78
2024-05-03 08:37:04 C 10 52 33.71 -05 37 08.4 Z R78
2024-05-03 08:38:12 C 10 52 33.61 -05 37 08.4 Z R78
2024-05-03 08:39:21 C 10 52 33.50 -05 37 08.3 Z R78
2024-05-03 08:40:29 C 10 52 33.41 -05 37 08.3 Z R78
2024-05-03 08:41:37 C 10 52 33.29 -05 37 08.5 Z R78
2024-05-03 08:42:45 C 10 52 33.18 -05 37 08.6 Z R78
2024-05-03 08:43:54 C 10 52 33.08 -05 37 08.6 Z R78
2024-05-03 08:45:02 C 10 52 32.97 -05 37 08.6 Z R78
2024-05-03 08:46:10 C 10 52 32.87 -05 37 08.6 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)