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 08:32:53 C 10 59 21.70 -05 35 01.4 Z R78
2024-04-30 08:34:02 C 10 59 21.58 -05 35 01.4 Z R78
2024-04-30 08:35:10 C 10 59 21.47 -05 35 01.4 Z R78
2024-04-30 08:36:18 C 10 59 21.35 -05 35 01.4 Z R78
2024-04-30 08:37:26 C 10 59 21.24 -05 35 01.5 Z R78
2024-04-30 08:38:35 C 10 59 21.12 -05 35 01.6 Z R78
2024-04-30 08:39:43 C 10 59 21.01 -05 35 01.6 Z R78
2024-04-30 08:40:51 C 10 59 20.90 -05 35 01.6 Z R78
2024-04-30 08:42:00 C 10 59 20.77 -05 35 01.7 Z R78
2024-04-30 08:43:08 C 10 59 20.67 -05 35 01.6 Z R78
2024-04-30 08:44:16 C 10 59 20.55 -05 35 01.6 Z R78
2024-04-30 08:45:24 C 10 59 20.43 -05 35 01.6 Z R78
2024-04-30 08:46:33 C 10 59 20.32 -05 35 01.7 Z R78
2024-04-30 08:47:41 C 10 59 20.20 -05 35 01.7 Z R78
2024-04-30 08:48:49 C 10 59 20.08 -05 35 01.8 Z R78
2024-04-30 08:49:58 C 10 59 19.97 -05 35 01.8 Z R78
2024-04-30 08:57:25 C 10 59 19.20 -05 35 01.9 Z R78
2024-04-30 08:58:33 C 10 59 19.11 -05 35 01.9 Z R78
2024-04-30 08:59:41 C 10 59 18.99 -05 35 02.0 Z R78
2024-04-30 09:00:50 C 10 59 18.88 -05 35 01.9 Z R78
2024-04-30 09:01:58 C 10 59 18.75 -05 35 02.0 Z R78
2024-04-30 09:03:06 C 10 59 18.66 -05 35 01.9 Z R78
2024-04-30 09:04:14 C 10 59 18.53 -05 35 02.0 Z R78
2024-04-30 09:05:23 C 10 59 18.41 -05 35 01.9 Z R78
2024-04-30 09:06:31 C 10 59 18.31 -05 35 02.0 Z R78
2024-04-30 09:07:39 C 10 59 18.18 -05 35 02.1 Z R78
2024-04-30 09:08:47 C 10 59 18.07 -05 35 02.1 Z R78
2024-04-30 09:09:56 C 10 59 17.95 -05 35 02.1 Z R78
2024-04-30 09:11:04 C 10 59 17.84 -05 35 02.2 Z R78
2024-04-30 09:12:13 C 10 59 17.72 -05 35 02.2 Z R78
2024-04-30 09:13:21 C 10 59 17.59 -05 35 02.3 Z R78
2024-04-30 09:14:30 C 10 59 17.49 -05 35 02.3 Z R78
2024-04-30 09:15:38 C 10 59 17.38 -05 35 02.2 Z R78
2024-04-30 09:16:46 C 10 59 17.26 -05 35 02.2 Z R78
2024-04-30 09:17:54 C 10 59 17.14 -05 35 02.2 Z R78
2024-04-30 09:19:03 C 10 59 17.04 -05 35 02.1 Z R78
2024-04-30 09:20:11 C 10 59 16.91 -05 35 02.3 Z R78
2024-04-30 09:21:19 C 10 59 16.82 -05 35 02.4 Z R78
2024-04-30 09:22:27 C 10 59 16.69 -05 35 02.4 Z R78
2024-04-30 09:23:36 C 10 59 16.57 -05 35 02.3 Z R78
2024-04-30 09:24:44 C 10 59 16.46 -05 35 02.5 Z R78
2024-04-30 09:25:52 C 10 59 16.34 -05 35 02.4 Z R78
2024-04-30 09:27:00 C 10 59 16.23 -05 35 02.4 Z R78
2024-04-30 09:28:09 C 10 59 16.11 -05 35 02.4 Z R78
2024-04-30 09:29:17 C 10 59 16.00 -05 35 02.4 Z R78
2024-04-30 09:30:25 C 10 59 15.88 -05 35 02.5 Z R78
2024-04-30 09:31:33 C 10 59 15.77 -05 35 02.3 Z R78
2024-04-30 09:32:42 C 10 59 15.65 -05 35 02.6 Z R78
2024-04-30 09:33:50 C 10 59 15.53 -05 35 02.5 Z R78
2024-04-30 09:34:58 C 10 59 15.42 -05 35 02.6 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)