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
2024-04-27 19:44:20 C 11 05 31.90 -05 34 39.0 X G02
2024-04-28 06:10:42 C 11 04 26.360 -05 34 39.18 V 703
2024-04-28 06:13:56 C 11 04 26.000 -05 34 39.11 V 703
2024-04-28 06:17:11 C 11 04 25.676 -05 34 39.00 V 703
2024-04-28 06:20:26 C 11 04 25.331 -05 34 39.22 V 703
2024-04-28 08:23:40 C 11 04 12.703 -05 34 37.96 V T05
2024-04-28 08:39:19 C 11 04 11.042 -05 34 38.14 V T05
2024-04-28 08:54:11 C 11 04 09.458 -05 34 38.06 V T05
2024-04-28 21:44:38 C 11 02 50.318 -05 34 32.95 V M22
2024-04-28 21:49:54 C 11 02 49.766 -05 34 32.99 V M22
2024-04-28 21:59:04 C 11 02 48.816 -05 34 33.17 V M22
2024-04-29 06:23:24 C 11 01 58.207 -05 34 49.54 X F52
2024-04-29 06:40:38 C 11 01 56.410 -05 34 49.56 X F52
2024-04-29 06:57:50 C 11 01 54.613 -05 34 49.98 X F52
2024-04-29 07:15:02 C 11 01 52.818 -05 34 50.14 X F52
2024-04-29 19:08:29 B 11 00 41.352 -05 35 02.87 V 160
2024-04-29 19:18:57 B 11 00 40.397 -05 35 04.09 V 160
2024-04-30 06:12:12 C 10 59 35.099 -05 35 12.66 V 703
2024-04-30 06:15:28 C 10 59 34.760 -05 35 12.62 V 703
2024-04-30 06:18:43 C 10 59 34.436 -05 35 12.66 V 703
2024-04-30 06:21:57 C 10 59 34.116 -05 35 12.80 V 703
2024-04-30 07:02:59 C 10 59 30.79 -05 34 59.7 Z R78
2024-04-30 07:04:07 C 10 59 30.67 -05 34 59.8 Z R78
2024-04-30 07:05:15 C 10 59 30.56 -05 34 59.8 Z R78
2024-04-30 07:06:23 C 10 59 30.45 -05 34 59.8 Z R78
2024-04-30 07:07:32 C 10 59 30.33 -05 34 59.8 Z R78
2024-04-30 07:08:40 C 10 59 30.21 -05 34 59.8 Z R78
2024-04-30 07:09:48 C 10 59 30.09 -05 34 59.8 Z R78
2024-04-30 07:10:56 C 10 59 29.99 -05 34 59.8 Z R78
2024-04-30 07:12:05 C 10 59 29.87 -05 34 59.9 Z R78
2024-04-30 07:13:13 C 10 59 29.75 -05 34 59.9 Z R78
2024-04-30 07:14:21 C 10 59 29.64 -05 34 59.8 Z R78
2024-04-30 07:15:29 C 10 59 29.53 -05 35 00.0 Z R78
2024-04-30 07:16:38 C 10 59 29.42 -05 35 00.0 Z R78
2024-04-30 07:17:46 C 10 59 29.29 -05 35 00.0 Z R78
2024-04-30 07:18:54 C 10 59 29.17 -05 35 00.0 Z R78
2024-04-30 07:20:02 C 10 59 29.07 -05 35 00.1 Z R78
2024-04-30 07:21:11 C 10 59 28.95 -05 35 00.0 Z R78
2024-04-30 07:22:19 C 10 59 28.83 -05 35 00.1 Z R78
2024-04-30 07:23:27 C 10 59 28.72 -05 35 00.2 Z R78
2024-04-30 07:24:35 C 10 59 28.61 -05 35 00.1 Z R78
2024-04-30 07:25:44 C 10 59 28.48 -05 35 00.1 Z R78
2024-04-30 07:26:52 C 10 59 28.37 -05 35 00.1 Z R78
2024-04-30 07:28:00 C 10 59 28.25 -05 35 00.2 Z R78
2024-04-30 07:29:09 C 10 59 28.14 -05 35 00.2 Z R78
2024-04-30 07:30:18 C 10 59 28.02 -05 35 00.3 Z R78
2024-04-30 07:31:26 C 10 59 27.91 -05 35 00.2 Z R78
2024-04-30 07:32:34 C 10 59 27.80 -05 35 00.3 Z R78
2024-04-30 07:33:42 C 10 59 27.69 -05 35 00.4 Z R78
2024-04-30 07:34:51 C 10 59 27.57 -05 35 00.3 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)