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
2025-01-16 23:22:37 C 09 38 04.714 +57 13 51.53 X D77
2025-01-17 18:43:24 C 09 34 58.942 +57 18 59.62 X D77
2025-01-17 19:00:52 C 09 34 56.234 +57 19 04.08 X D77
2025-01-17 19:12:30 C 09 34 54.218 +57 19 08.08 X D77
2025-01-18 09:30:58 C 09 32 34.825 +57 22 41.20 V 703
2025-01-18 09:34:36 C 09 32 34.220 +57 22 42.10 V 703
2025-01-18 09:38:13 C 09 32 33.590 +57 22 42.53 V 703
2025-01-18 09:41:51 C 09 32 33.011 +57 22 43.46 V 703
2025-01-19 11:36:22 C 09 28 20.943 +57 28 06.90 X F52
2025-01-19 11:55:49 C 09 28 17.698 +57 28 10.50 X F52
2025-01-19 12:15:13 C 09 28 14.452 +57 28 14.09 X F52
2025-01-19 12:34:39 C 09 28 11.208 +57 28 17.57 X F52
2025-01-20 07:50:56 C 09 25 03.025 +57 31 29.24 V 703
2025-01-20 07:54:06 C 09 25 02.485 +57 31 29.75 V 703
2025-01-20 07:57:17 C 09 25 01.945 +57 31 30.04 V 703
2025-01-20 08:00:27 C 09 25 01.412 +57 31 30.61 V 703
2025-01-20 11:17:41 C 09 24 29.162 +57 32 01.39 V T05
2025-01-20 11:47:41 C 09 24 24.103 +57 32 05.86 V T05
2025-01-20 11:50:18 C 09 24 23.678 +57 32 06.18 V T05
2025-01-20 11:54:53 C 09 24 22.915 +57 32 06.83 V T05
2025-01-20 13:29:05 C 09 24 07.116 +57 32 19.54 V T05
2025-01-20 13:41:05 C 09 24 05.114 +57 32 21.08 V T05
2025-01-22 07:37:38 C 09 17 14.729 +57 36 42.41 V T05
2025-01-22 07:43:38 C 09 17 13.709 +57 36 43.02 V T05
2025-01-22 07:50:04 C 09 17 12.677 +57 36 43.78 V T05
2025-01-22 07:52:04 C 09 17 11.670 +57 36 45.43 V 703
2025-01-22 07:55:15 C 09 17 11.098 +57 36 45.76 V 703
2025-01-22 07:56:43 C 09 17 11.563 +57 36 44.24 V T05
2025-01-22 07:58:25 C 09 17 10.583 +57 36 45.54 V 703
2025-01-22 08:01:35 C 09 17 10.050 +57 36 45.86 V 703
2025-01-24 07:54:14 C 09 09 21.539 +57 38 05.10 V 703
2025-01-24 07:57:24 C 09 09 20.970 +57 38 04.60 V 703
2025-01-24 08:00:34 C 09 09 20.488 +57 38 04.67 V 703
2025-01-24 08:03:44 C 09 09 19.930 +57 38 04.70 V 703
2025-01-24 10:31:29 C 09 08 56.160 +57 38 03.84 V T05
2025-01-24 10:34:46 C 09 08 55.586 +57 38 03.77 V T05
2025-01-24 10:39:20 C 09 08 54.818 +57 38 03.77 V T05
2025-01-24 10:46:36 C 09 08 53.638 +57 38 03.73 V T05
2025-01-27 05:47:43 C 08 58 08.908 +57 33 04.21 V 703
2025-01-27 05:50:54 C 08 58 08.414 +57 33 04.00 V 703
2025-01-27 05:54:04 C 08 58 07.885 +57 33 03.60 V 703
2025-01-27 05:57:14 C 08 58 07.388 +57 33 03.28 V 703
2025-01-28 11:29:20 C 08 53 28.865 +57 28 34.79 V T05
2025-01-28 11:34:36 C 08 53 28.020 +57 28 33.96 V T05
2025-01-28 11:45:18 C 08 53 26.311 +57 28 31.87 V T05
2025-01-28 12:15:56 C 08 53 21.432 +57 28 26.11 V T05
2025-02-01 01:38:16 C 08 40 29.717 +57 07 43.68 Z C23
2025-02-01 01:46:41 C 08 40 28.488 +57 07 41.38 Z C23
2025-02-01 02:12:27 C 08 40 24.660 +57 07 32.59 Z C23
2025-02-02 05:30:14 C 08 36 30.614 +56 58 45.98 V 703
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)