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
2024-05-06 07:05:59 C 10 46 28.546 -05 40 57.86 V T05
2024-05-06 07:10:33 C 10 46 28.157 -05 40 58.08 V T05
2024-05-06 07:19:39 C 10 46 27.382 -05 40 58.62 V T05
2024-05-06 19:16:34 C 10 45 28.944 -05 41 34.76 V M22
2024-05-06 19:21:11 C 10 45 28.558 -05 41 35.05 V M22
2024-05-06 19:29:06 C 10 45 27.902 -05 41 35.59 V M22
2024-05-06 20:02:31 C 10 45 25.102 -05 41 37.82 V M22
2024-05-07 04:15:20 C 10 44 45.611 -05 42 24.66 V G96
2024-05-07 04:22:53 C 10 44 44.988 -05 42 25.24 V G96
2024-05-07 04:30:25 C 10 44 44.365 -05 42 25.74 V G96
2024-05-07 04:37:57 C 10 44 43.742 -05 42 26.28 V G96
2024-05-08 04:37:29 C 10 42 50.836 -05 44 13.60 V 703
2024-05-08 04:40:44 C 10 42 50.584 -05 44 13.85 V 703
2024-05-08 04:44:00 C 10 42 50.314 -05 44 14.32 V 703
2024-05-08 04:47:15 C 10 42 50.069 -05 44 14.50 V 703
2024-05-09 01:42:28 C 10 41 14.954 -05 45 45.76 V W68
2024-05-09 01:46:22 C 10 41 14.676 -05 45 47.05 V W68
2024-05-09 01:47:01 C 10 41 14.592 -05 45 46.26 V W68
2024-05-09 01:55:58 C 10 41 13.920 -05 45 47.52 V W68
2024-05-09 01:57:56 C 10 41 13.752 -05 45 47.05 V W68
2024-05-09 02:03:48 C 10 41 13.368 -05 45 49.10 V W68
2024-05-09 02:30:48 C 10 41 11.220 -05 45 49.79 V W68
2024-05-09 02:31:27 C 10 41 11.191 -05 45 50.76 V W68
2024-05-09 19:09:19 C 10 39 58.00 -05 47 35.0 X G02
2024-05-09 19:14:38 C 10 39 57.60 -05 47 35.4 X G02
2024-05-09 19:19:41 C 10 39 57.24 -05 47 35.6 X G02
2024-05-10 05:14:41 C 10 39 14.101 -05 48 29.52 V 703
2024-05-10 05:18:02 C 10 39 13.853 -05 48 29.95 V 703
2024-05-10 05:21:22 C 10 39 13.619 -05 48 30.20 V 703
2024-05-10 05:24:43 C 10 39 13.367 -05 48 30.60 V 703
2024-05-10 06:48:15 C 10 39 07.644 -05 48 36.65 V T05
2024-05-10 06:52:15 C 10 39 07.351 -05 48 37.01 V T05
2024-05-10 07:00:04 C 10 39 06.773 -05 48 37.80 V T05
2024-05-10 07:51:41 C 10 39 02.938 -05 48 42.73 V T05
2024-05-10 12:53:32 S 10 38 41.76 -05 49 07.2 L C51
2024-05-10 15:58:55 S 10 38 28.69 -05 49 25.8 L C51
2024-05-10 19:03:34 S 10 38 15.77 -05 49 44.8 L C51
2024-05-10 19:03:44 S 10 38 15.77 -05 49 44.7 L C51
2024-05-10 20:35:58 S 10 38 09.32 -05 49 54.2 L C51
2024-05-10 22:08:23 S 10 38 02.89 -05 50 03.6 L C51
2024-05-10 23:40:37 S 10 37 56.49 -05 50 13.0 L C51
2024-05-11 01:13:03 S 10 37 50.07 -05 50 23.0 L C51
2024-05-11 02:44:44 S 10 37 43.73 -05 50 31.7 L C51
2024-05-11 05:50:07 S 10 37 30.96 -05 50 51.7 L C51
2024-05-12 04:52:21 C 10 35 57.577 -05 53 30.41 V 703
2024-05-12 04:55:36 C 10 35 57.350 -05 53 31.06 V 703
2024-05-12 04:58:52 C 10 35 57.138 -05 53 31.38 V 703
2024-05-12 05:02:07 C 10 35 56.915 -05 53 31.92 V 703
2024-05-12 19:12:29 C 10 35 01.61 -05 55 13.5 X G02
2024-05-12 19:19:29 C 10 35 01.16 -05 55 14.3 X G02
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)