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 10:41:07 C 10 52 22.20 -05 37 13.1 Z R78
2024-05-03 10:42:16 C 10 52 22.09 -05 37 13.1 Z R78
2024-05-03 10:43:24 C 10 52 21.99 -05 37 13.2 Z R78
2024-05-03 10:44:32 C 10 52 21.88 -05 37 13.3 Z R78
2024-05-03 10:45:40 C 10 52 21.77 -05 37 13.3 Z R78
2024-05-03 10:46:49 C 10 52 21.67 -05 37 13.3 Z R78
2024-05-03 10:47:57 C 10 52 21.57 -05 37 13.4 Z R78
2024-05-03 10:49:05 C 10 52 21.47 -05 37 13.5 Z R78
2024-05-03 10:50:13 C 10 52 21.35 -05 37 13.4 Z R78
2024-05-03 10:51:23 C 10 52 21.25 -05 37 13.6 Z R78
2024-05-03 10:52:31 C 10 52 21.15 -05 37 13.5 Z R78
2024-05-03 10:53:39 C 10 52 21.05 -05 37 13.7 Z R78
2024-05-03 10:54:47 C 10 52 20.94 -05 37 13.7 Z R78
2024-05-03 10:55:56 C 10 52 20.83 -05 37 13.7 Z R78
2024-05-03 10:57:04 C 10 52 20.72 -05 37 13.7 Z R78
2024-05-03 10:58:12 C 10 52 20.62 -05 37 13.8 Z R78
2024-05-03 10:59:20 C 10 52 20.51 -05 37 13.8 Z R78
2024-05-03 11:00:29 C 10 52 20.41 -05 37 13.9 Z R78
2024-05-03 11:01:37 C 10 52 20.30 -05 37 13.9 Z R78
2024-05-03 11:02:45 C 10 52 20.20 -05 37 14.0 Z R78
2024-05-03 11:03:53 C 10 52 20.10 -05 37 14.0 Z R78
2024-05-03 11:05:02 C 10 52 19.99 -05 37 13.9 Z R78
2024-05-03 11:06:10 C 10 52 19.88 -05 37 14.0 Z R78
2024-05-03 11:07:18 C 10 52 19.78 -05 37 14.2 Z R78
2024-05-03 11:08:26 C 10 52 19.67 -05 37 14.1 Z R78
2024-05-03 11:09:35 C 10 52 19.57 -05 37 14.2 Z R78
2024-05-03 11:10:43 C 10 52 19.46 -05 37 14.3 Z R78
2024-05-03 11:11:51 C 10 52 19.36 -05 37 14.3 Z R78
2024-05-03 11:12:59 C 10 52 19.25 -05 37 14.2 Z R78
2024-05-03 11:14:08 C 10 52 19.14 -05 37 14.3 Z R78
2024-05-03 11:15:17 C 10 52 19.05 -05 37 14.3 Z R78
2024-05-03 11:16:25 C 10 52 18.94 -05 37 14.4 Z R78
2024-05-03 11:17:33 C 10 52 18.84 -05 37 14.4 Z R78
2024-05-04 06:06:02 C 10 50 38.418 -05 38 18.28 V 703
2024-05-04 06:09:18 C 10 50 38.116 -05 38 18.53 V 703
2024-05-04 06:12:34 C 10 50 37.806 -05 38 18.53 V 703
2024-05-04 06:15:50 C 10 50 37.511 -05 38 18.53 V 703
2024-05-04 07:02:58 C 10 50 34.10 -05 38 07.0 Z R78
2024-05-04 07:04:07 C 10 50 34.00 -05 38 07.1 Z R78
2024-05-04 07:05:15 C 10 50 33.89 -05 38 07.1 Z R78
2024-05-04 07:06:23 C 10 50 33.79 -05 38 07.1 Z R78
2024-05-04 07:07:32 C 10 50 33.69 -05 38 07.2 Z R78
2024-05-04 07:08:40 C 10 50 33.59 -05 38 07.2 Z R78
2024-05-04 07:09:48 C 10 50 33.48 -05 38 07.4 Z R78
2024-05-04 07:10:56 C 10 50 33.38 -05 38 07.4 Z R78
2024-05-04 07:12:05 C 10 50 33.28 -05 38 07.4 Z R78
2024-05-04 07:13:13 C 10 50 33.18 -05 38 07.5 Z R78
2024-05-04 07:14:21 C 10 50 33.07 -05 38 07.5 Z R78
2024-05-04 07:15:29 C 10 50 32.97 -05 38 07.6 Z R78
2024-05-04 07:16:38 C 10 50 32.86 -05 38 07.7 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)