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
2024-04-30 09:36:06 C 10 59 15.31 -05 35 02.6 Z R78
2024-04-30 09:37:15 C 10 59 15.20 -05 35 02.6 Z R78
2024-04-30 09:38:23 C 10 59 15.07 -05 35 02.6 Z R78
2024-04-30 09:39:32 C 10 59 14.96 -05 35 02.6 Z R78
2024-04-30 09:40:40 C 10 59 14.84 -05 35 02.7 Z R78
2024-04-30 09:41:49 C 10 59 14.74 -05 35 02.6 Z R78
2024-04-30 09:42:57 C 10 59 14.62 -05 35 02.7 Z R78
2024-04-30 09:44:05 C 10 59 14.50 -05 35 02.7 Z R78
2024-04-30 09:45:13 C 10 59 14.40 -05 35 02.8 Z R78
2024-04-30 09:46:22 C 10 59 14.27 -05 35 02.8 Z R78
2024-04-30 09:47:30 C 10 59 14.17 -05 35 02.7 Z R78
2024-04-30 09:48:38 C 10 59 14.04 -05 35 02.9 Z R78
2024-04-30 09:49:46 C 10 59 13.94 -05 35 02.7 Z R78
2024-04-30 09:50:55 C 10 59 13.82 -05 35 02.9 Z R78
2024-04-30 09:52:03 C 10 59 13.69 -05 35 02.9 Z R78
2024-04-30 09:53:11 C 10 59 13.58 -05 35 03.0 Z R78
2024-04-30 09:54:19 C 10 59 13.46 -05 35 03.0 Z R78
2024-04-30 09:55:28 C 10 59 13.35 -05 35 02.8 Z R78
2024-04-30 09:56:36 C 10 59 13.24 -05 35 02.9 Z R78
2024-04-30 09:57:44 C 10 59 13.14 -05 35 03.0 Z R78
2024-04-30 09:58:52 C 10 59 13.01 -05 35 03.1 Z R78
2024-04-30 10:00:01 C 10 59 12.91 -05 35 03.0 Z R78
2024-04-30 10:01:09 C 10 59 12.77 -05 35 03.1 Z R78
2024-04-30 10:02:17 C 10 59 12.67 -05 35 03.0 Z R78
2024-04-30 10:03:25 C 10 59 12.55 -05 35 03.1 Z R78
2024-04-30 10:04:34 C 10 59 12.43 -05 35 03.2 Z R78
2024-04-30 10:05:42 C 10 59 12.33 -05 35 03.1 Z R78
2024-04-30 10:06:50 C 10 59 12.21 -05 35 03.2 Z R78
2024-04-30 10:07:58 C 10 59 12.10 -05 35 03.2 Z R78
2024-04-30 10:09:08 C 10 59 11.98 -05 35 03.3 Z R78
2024-04-30 10:10:16 C 10 59 11.88 -05 35 03.2 Z R78
2024-04-30 10:11:24 C 10 59 11.75 -05 35 03.3 Z R78
2024-04-30 10:12:32 C 10 59 11.63 -05 35 03.3 Z R78
2024-04-30 10:13:41 C 10 59 11.52 -05 35 03.4 Z R78
2024-04-30 10:14:49 C 10 59 11.40 -05 35 03.3 Z R78
2024-04-30 10:15:57 C 10 59 11.29 -05 35 03.3 Z R78
2024-04-30 10:17:05 C 10 59 11.16 -05 35 03.4 Z R78
2024-04-30 10:18:14 C 10 59 11.06 -05 35 03.4 Z R78
2024-04-30 10:19:22 C 10 59 10.94 -05 35 03.4 Z R78
2024-04-30 10:20:30 C 10 59 10.82 -05 35 03.4 Z R78
2024-04-30 10:21:38 C 10 59 10.71 -05 35 03.5 Z R78
2024-04-30 10:22:47 C 10 59 10.60 -05 35 03.4 Z R78
2024-04-30 10:23:55 C 10 59 10.49 -05 35 03.5 Z R78
2024-04-30 10:25:03 C 10 59 10.38 -05 35 03.5 Z R78
2024-04-30 10:26:11 C 10 59 10.26 -05 35 03.5 Z R78
2024-04-30 10:27:20 C 10 59 10.15 -05 35 03.6 Z R78
2024-04-30 10:28:28 C 10 59 10.00 -05 35 03.3 Z R78
2024-04-30 10:29:36 C 10 59 09.92 -05 35 03.6 Z R78
2024-04-30 10:30:44 C 10 59 09.82 -05 35 03.6 Z R78
2024-04-30 10:31:53 C 10 59 09.68 -05 35 03.6 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)