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
2024-10-01 11:14:20 C 09 25 21.392 +35 16 56.53 V 703
2024-10-01 11:17:37 C 09 25 21.738 +35 16 57.68 V 703
2024-10-02 14:42:50 C 09 28 07.370 +35 27 50.47 V T08
2024-10-02 15:08:53 C 09 28 09.946 +35 28 01.13 V T08
2024-10-02 15:16:39 C 09 28 10.702 +35 28 04.04 V T08
2024-10-02 15:22:41 C 09 28 11.275 +35 28 06.60 V T08
2024-10-08 11:59:14 C 09 41 59.813 +36 16 26.51 V 703
2024-10-08 12:02:40 C 09 42 00.148 +36 16 27.62 V 703
2024-10-08 12:06:05 C 09 42 00.472 +36 16 28.67 V 703
2024-10-08 12:09:31 C 09 42 00.796 +36 16 29.89 V 703
2024-10-09 14:05:38 C 09 44 29.285 +36 24 24.62 V T08
2024-10-09 14:11:01 C 09 44 29.796 +36 24 26.39 V T08
2024-10-09 14:18:25 C 09 44 30.482 +36 24 28.87 V T08
2024-10-09 14:42:27 C 09 44 32.738 +36 24 36.47 V T08
2024-10-10 14:29:44 C 09 46 47.446 +36 31 37.96 V T05
2024-10-10 14:34:20 C 09 46 47.837 +36 31 39.68 V T05
2024-10-10 14:45:31 C 09 46 48.886 +36 31 43.21 V T05
2024-10-10 15:20:40 C 09 46 52.121 +36 31 54.01 V T05
2024-10-12 14:52:04 C 09 51 16.915 +36 45 26.24 V T05
2024-10-12 14:57:56 C 09 51 17.448 +36 45 27.94 V T05
2024-10-12 15:15:07 C 09 51 18.989 +36 45 33.08 V T05
2024-10-13 12:04:19 C 09 53 13.092 +36 51 16.81 V 703
2024-10-13 12:06:33 C 09 53 13.326 +36 51 17.03 V 703
2024-10-13 12:07:39 C 09 53 13.409 +36 51 17.57 V 703
2024-10-13 12:09:52 C 09 53 13.600 +36 51 17.96 V 703
2024-10-13 12:10:57 C 09 53 13.686 +36 51 18.47 V 703
2024-10-13 12:13:12 C 09 53 13.902 +36 51 19.12 V 703
2024-10-13 12:14:17 C 09 53 13.988 +36 51 19.69 V 703
2024-10-13 12:16:31 C 09 53 14.215 +36 51 20.23 V 703
2024-10-16 14:47:38 C 09 59 53.424 +37 11 18.46 V T05
2024-10-16 15:02:15 C 09 59 54.677 +37 11 22.52 V T05
2024-10-16 15:16:53 C 09 59 55.999 +37 11 26.52 V T05
2024-10-16 15:26:34 C 09 59 56.683 +37 11 29.22 V T05
2024-10-16 15:27:52 C 09 59 56.875 +37 11 29.44 V T05
2024-10-17 14:55:02 C 10 01 59.364 +37 17 37.50 V T08
2024-10-17 15:01:19 C 10 01 59.870 +37 17 38.76 V T08
2024-10-17 15:08:22 C 10 02 00.485 +37 17 40.96 V T08
2024-10-18 13:38:11 C 10 03 56.527 +37 23 29.80 V T05
2024-10-18 13:42:49 C 10 03 56.942 +37 23 31.06 V T05
2024-10-18 13:51:59 C 10 03 57.725 +37 23 33.68 V T05
2024-10-18 14:06:29 C 10 03 58.961 +37 23 37.57 V T05
2024-10-20 13:19:29 C 10 07 57.540 +37 35 49.09 V T05
2024-10-20 13:26:39 C 10 07 58.118 +37 35 51.18 V T05
2024-10-20 13:31:13 C 10 07 58.524 +37 35 52.37 V T05
2024-10-20 14:18:17 C 10 08 02.352 +37 36 05.51 V T05
2024-10-21 12:04:27 C 10 09 49.921 +37 41 42.29 V 703
2024-10-21 12:07:57 C 10 09 50.188 +37 41 44.05 V 703
2024-10-21 12:11:27 C 10 09 50.504 +37 41 44.45 V 703
2024-10-21 12:14:58 C 10 09 50.778 +37 41 45.78 V 703
2024-10-22 14:47:36 C 10 12 00.233 +37 48 40.18 V T05
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)