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
2024-04-10 20:45:47 B 11 54 20.46 -05 47 21.9 X Y83
2024-04-10 20:54:05 B 11 54 19.38 -05 47 21.5 X Y83
2024-04-10 21:02:19 B 11 54 18.31 -05 47 21.2 X Y83
2024-04-11 01:14:51 B 11 53 45.88 -05 47 01.4 q X33
2024-04-11 01:17:24 B 11 53 45.58 -05 47 00.4 q X33
2024-04-11 01:19:41 B 11 53 45.28 -05 47 01.1 q X33
2024-04-11 17:01:04 C 11 51 43.87 -05 46 10.6 u 323
2024-04-11 17:19:07 C 11 51 41.49 -05 46 10.4 u 323
2024-04-11 19:48:33 C 11 51 22.91 -05 46 18.3 X G02
2024-04-11 19:53:17 C 11 51 22.29 -05 46 18.1 X G02
2024-04-11 19:58:03 C 11 51 21.68 -05 46 18.0 X G02
2024-04-11 20:23:48 B 11 51 18.53 -05 46 15.6 X Y83
2024-04-11 20:30:26 B 11 51 17.67 -05 46 15.4 X Y83
2024-04-11 20:37:07 B 11 51 16.80 -05 46 15.1 X Y83
2024-04-12 06:19:06 C 11 50 01.795 -05 45 46.58 V 703
2024-04-12 06:22:22 C 11 50 01.360 -05 45 46.22 V 703
2024-04-12 06:25:38 C 11 50 00.924 -05 45 46.08 V 703
2024-04-12 06:28:54 C 11 50 00.492 -05 45 45.94 V 703
2024-04-12 07:36:20 C 11 49 51.791 -05 45 44.29 V U68
2024-04-12 07:41:59 C 11 49 51.011 -05 45 43.11 V U68
2024-04-12 08:06:58 C 11 49 47.772 -05 45 42.04 V U68
2024-04-12 08:12:38 C 11 49 47.002 -05 45 41.93 V U68
2024-04-12 19:50:40 B 11 48 18.240 -05 45 10.19 V 160
2024-04-12 19:55:52 B 11 48 17.542 -05 45 10.12 V 160
2024-04-12 20:00:41 B 11 48 16.918 -05 45 09.36 V 160
2024-04-12 20:44:22 B 11 48 11.207 -05 45 05.26 V L92
2024-04-12 20:54:33 B 11 48 09.823 -05 45 04.88 V L92
2024-04-12 21:04:45 B 11 48 08.584 -05 45 02.48 V L92
2024-04-14 05:59:38 C 11 43 56.428 -05 43 33.10 V 703
2024-04-14 06:02:54 C 11 43 55.999 -05 43 33.02 V 703
2024-04-14 06:06:10 C 11 43 55.578 -05 43 32.81 V 703
2024-04-14 06:09:26 C 11 43 55.150 -05 43 32.63 V 703
2024-04-14 19:39:50 B 11 42 12.634 -05 42 57.60 V 160
2024-04-14 19:40:47 C 11 42 12.475 -05 42 57.38 X M26
2024-04-14 19:41:57 C 11 42 12.343 -05 42 57.53 X M26
2024-04-14 19:43:08 C 11 42 12.185 -05 42 56.95 X M26
2024-04-14 19:44:49 B 11 42 11.954 -05 42 57.31 V 160
2024-04-14 19:49:29 B 11 42 11.350 -05 42 56.99 V 160
2024-04-14 23:46:11 C 11 41 40.82 -05 42 46.2 V D47
2024-04-14 23:48:44 C 11 41 40.47 -05 42 46.1 V D47
2024-04-14 23:51:17 C 11 41 40.09 -05 42 45.9 V D47
2024-04-15 00:51:10 C 11 41 32.42 -05 42 43.4 V D47
2024-04-15 00:53:43 C 11 41 32.11 -05 42 43.1 V D47
2024-04-15 00:56:18 C 11 41 31.82 -05 42 43.1 V D47
2024-04-15 00:58:51 C 11 41 31.41 -05 42 42.3 V D47
2024-04-15 01:01:24 C 11 41 31.10 -05 42 43.0 V D47
2024-04-15 21:21:02 C 11 38 57.64 -05 41 48.1 V D47
2024-04-15 23:09:24 C 11 38 43.69 -05 41 43.5 V D47
2024-04-15 23:40:22 C 11 38 39.73 -05 41 42.0 V D47
2024-04-15 23:45:27 C 11 38 39.05 -05 41 41.7 V D47
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)