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
2024-06-17 23:50:33 C 10 10 58.258 -09 54 14.69 V W68
2024-06-17 23:59:54 C 10 10 58.193 -09 54 18.07 V W68
2024-06-18 00:07:47 C 10 10 58.162 -09 54 21.53 V W68
2024-06-18 00:36:10 C 10 10 58.001 -09 54 33.26 V W68
2024-06-18 00:41:28 C 10 10 57.989 -09 54 35.21 V W68
2024-06-27 16:44:53 C 10 10 19.982 -11 34 33.89 V M22
2024-06-27 16:50:51 C 10 10 19.939 -11 34 36.73 V M22
2024-06-27 17:17:19 C 10 10 19.807 -11 34 48.32 V M22
2024-07-01 17:47:01 C 10 09 56.760 -12 17 16.66 V M22
2024-07-01 18:18:12 C 10 09 56.525 -12 17 30.23 V M22
2024-07-01 18:23:44 C 10 09 56.503 -12 17 32.68 V M22
2024-07-01 18:45:25 C 10 09 56.369 -12 17 41.78 V M22
2024-07-02 21:54:42 B 10 09 47.02 -12 29 31.0 Z X86
2024-07-02 21:58:14 B 10 09 47.00 -12 29 32.5 Z X86
2024-07-02 22:01:18 B 10 09 46.95 -12 29 33.7 Z X86
2024-07-03 21:53:50 B 10 09 37.24 -12 39 49.2 Z X86
2024-07-03 21:59:49 B 10 09 37.16 -12 39 51.9 Z X86
2024-07-03 22:03:22 B 10 09 37.11 -12 39 53.6 Z X86
2024-07-09 23:49:17 C 10 07 54.857 -13 38 07.22 V W68
2024-07-09 23:57:14 C 10 07 54.718 -13 38 10.10 V W68
2024-07-10 00:10:42 C 10 07 54.466 -13 38 14.78 V W68
2024-07-10 00:16:02 C 10 07 54.379 -13 38 16.69 V W68
2024-07-13 23:45:46 C 10 05 48.454 -14 08 52.80 V W68
2024-07-13 23:50:19 C 10 05 48.312 -14 08 54.06 V W68
2024-07-14 00:13:07 C 10 05 47.666 -14 08 59.86 V W68
2024-09-10 11:30:20 C 08 36 17.852 +29 01 36.37 V 703
2024-09-10 11:33:43 C 08 36 18.083 +29 01 40.94 V 703
2024-09-10 11:37:07 C 08 36 18.382 +29 01 45.37 V 703
2024-09-10 11:40:30 C 08 36 18.630 +29 01 49.91 V 703
2024-09-17 11:39:27 C 08 51 23.69 +31 58 15.1 q U55
2024-09-17 11:48:28 C 08 51 24.48 +31 58 21.3 q U55
2024-09-17 11:57:27 C 08 51 25.35 +31 58 29.8 q U55
2024-09-20 12:09:26 C 08 58 33.589 +32 54 52.49 V 703
2024-09-20 12:12:02 C 08 58 33.834 +32 54 54.32 V 703
2024-09-20 12:14:38 C 08 58 34.075 +32 54 56.23 V 703
2024-09-20 12:17:14 C 08 58 34.342 +32 54 58.25 V 703
2024-09-23 13:59:03 C 09 06 02.604 +33 43 22.80 V T08
2024-09-23 14:03:27 C 09 06 03.084 +33 43 25.72 V T08
2024-09-23 14:11:19 C 09 06 03.883 +33 43 30.54 V T08
2024-09-23 14:25:35 C 09 06 05.318 +33 43 39.36 V T08
2024-09-28 14:04:53 C 09 18 20.011 +34 46 57.72 V T05
2024-09-28 14:09:31 C 09 18 20.482 +34 46 59.88 V T05
2024-09-28 14:18:41 C 09 18 21.403 +34 47 04.49 V T05
2024-09-28 14:32:43 C 09 18 22.822 +34 47 11.15 V T05
2024-09-29 14:00:01 C 09 20 46.327 +34 57 47.99 V T05
2024-09-29 14:05:18 C 09 20 46.860 +34 57 50.65 V T05
2024-09-29 14:13:11 C 09 20 47.645 +34 57 54.36 V T05
2024-09-29 14:38:07 C 09 20 50.160 +34 58 05.92 V T05
2024-10-01 11:07:45 C 09 25 20.788 +35 16 53.65 V 703
2024-10-01 11:11:02 C 09 25 21.068 +35 16 54.91 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)