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
2026-01-01 15:42:09 C 14 21 05.177 -14 51 08.28 V T05
2026-01-01 16:01:15 C 14 21 06.703 -14 51 21.10 V T05
2026-01-11 14:54:36 C 14 41 01.459 -17 36 24.91 V T08
2026-01-11 15:07:48 C 14 41 02.638 -17 36 34.88 V T08
2026-01-11 15:34:34 C 14 41 04.920 -17 36 54.25 V T08
2026-01-11 15:44:26 C 14 41 05.762 -17 37 01.06 V T08
2026-01-13 15:18:55 C 14 45 15.154 -18 11 12.41 V T05
2026-01-13 15:24:49 C 14 45 15.655 -18 11 17.38 V T05
2026-01-13 15:40:35 C 14 45 16.997 -18 11 28.68 V T05
2026-01-13 15:54:30 C 14 45 18.286 -18 11 38.69 V T05
2026-01-16 12:09:04 C 14 51 23.699 -19 01 35.36 V 703
2026-01-16 12:12:27 C 14 51 23.976 -19 01 38.06 V 703
2026-01-16 12:15:50 C 14 51 24.311 -19 01 40.44 V 703
2026-01-16 12:19:13 C 14 51 24.556 -19 01 42.74 V 703
2026-01-18 15:36:03 C 14 56 05.704 -19 39 56.57 X F51
2026-01-18 15:42:58 C 14 56 06.327 -19 40 01.81 X F51
2026-01-18 15:56:47 C 14 56 07.584 -19 40 12.19 X F51
2026-01-20 14:21:30 C 15 00 27.374 -20 15 22.14 V T05
2026-01-20 14:27:27 C 15 00 27.881 -20 15 27.00 V T05
2026-01-20 14:35:56 C 15 00 28.704 -20 15 33.44 V T05
2026-01-20 14:52:19 C 15 00 30.216 -20 15 45.40 V T05
2026-01-22 07:53:16 C 15 04 24.233 -20 47 14.14 V W68
2026-01-22 07:57:53 C 15 04 24.626 -20 47 17.63 V W68
2026-01-22 08:07:14 C 15 04 25.505 -20 47 25.04 V W68
2026-01-22 08:22:40 C 15 04 27.002 -20 47 36.92 V W68
2026-01-22 09:01:23 C 15 04 30.722 -20 48 07.60 V W68
2026-01-24 02:04:10 C 15 08 29.350 -21 20 09.42 V M22
2026-01-24 02:20:02 C 15 08 30.917 -21 20 22.24 V M22
2026-01-24 02:26:05 C 15 08 31.505 -21 20 26.84 V M22
2026-01-24 02:35:16 C 15 08 32.407 -21 20 33.47 V M22
2026-01-28 07:16:22 C 15 18 38.988 -22 41 13.45 V W68
2026-01-28 07:21:00 C 15 18 39.425 -22 41 16.73 V W68
2026-01-28 07:29:34 C 15 18 40.318 -22 41 24.50 V W68
2026-01-28 07:44:27 C 15 18 41.796 -22 41 36.53 V W68
2026-02-01 15:01:37 C 15 29 39.672 -24 07 42.92 V T05
2026-02-01 15:06:51 C 15 29 40.169 -24 07 48.86 V T05
2026-02-01 15:17:24 C 15 29 41.393 -24 07 57.86 V T05
2026-02-01 15:46:24 C 15 29 44.496 -24 08 22.56 V T05
2026-02-04 14:26:05 C 15 37 39.274 -25 09 18.40 V T08
2026-02-04 14:31:20 C 15 37 39.859 -25 09 22.64 V T08
2026-02-04 14:44:31 C 15 37 41.316 -25 09 33.84 V T08
2026-02-04 14:59:40 C 15 37 43.037 -25 09 47.77 V T08
2026-02-18 13:58:12 C 16 21 22.620 -30 23 07.40 V T05
2026-02-18 14:03:29 C 16 21 23.434 -30 23 12.80 V T05
2026-02-18 14:11:52 C 16 21 24.672 -30 23 21.16 V T05
2026-02-18 14:25:42 C 16 21 26.746 -30 23 34.55 V T05
2026-02-21 08:19:34 C 16 31 37.634 -31 29 41.86 V W68
2026-02-21 08:23:31 C 16 31 38.246 -31 29 46.14 V W68
2026-02-21 08:48:39 C 16 31 42.194 -31 30 11.66 V W68
2026-02-21 08:58:06 C 16 31 43.709 -31 30 21.20 V W68
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)