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
2016-01-21 00:40:02 C 02 17 59.39 +62 00 17.8 u H21
2016-01-21 00:42:06 C 02 17 59.86 +62 00 16.1 u H21
2016-01-21 00:44:11 C 02 18 00.32 +62 00 14.7 u H21
2016-01-21 00:46:14 C 02 18 00.80 +62 00 13.1 u H21
2016-01-21 00:50:22 C 02 18 01.79 +62 00 09.9 u H21
2016-01-21 00:52:27 C 02 18 02.29 +62 00 08.3 u H21
2016-01-21 00:54:31 C 02 18 02.76 +62 00 06.9 u H21
2016-01-21 00:56:35 C 02 18 03.24 +62 00 05.1 u H21
2016-01-21 00:58:39 C 02 18 03.72 +62 00 03.7 u H21
2016-01-21 01:02:47 C 02 18 04.72 +62 00 00.7 u H21
2016-01-21 01:04:51 C 02 18 05.17 +61 59 59.2 u H21
2016-01-21 01:06:54 C 02 18 05.67 +61 59 57.5 u H21
2016-01-22 06:34:43 C 02 25 01.09 +61 38 04.6 L T05
2016-01-22 07:04:37 C 02 25 07.87 +61 37 41.6 L T05
2016-01-22 07:28:35 C 02 25 13.24 +61 37 23.4 L T05
2016-01-22 07:55:01 C 02 25 19.23 +61 37 02.7 L T05
2016-01-24 01:37:27 C 02 34 42.40 +61 05 37.3 q H45
2016-01-24 01:39:14 C 02 34 42.79 +61 05 35.8 q H45
2016-01-24 01:40:34 C 02 34 43.08 +61 05 34.9 q H45
2016-01-24 01:42:00 C 02 34 43.37 +61 05 33.9 q H45
2016-01-24 01:43:29 C 02 34 43.70 +61 05 32.8 q H45
2016-01-24 01:44:57 C 02 34 43.99 +61 05 31.7 q H45
2016-01-24 03:18:22 C 02 35 03.98 +61 04 18.5 u H21
2016-01-24 03:21:28 C 02 35 04.66 +61 04 16.0 u H21
2016-01-24 03:24:34 C 02 35 05.34 +61 04 13.5 u H21
2016-01-24 03:27:40 C 02 35 06.00 +61 04 11.2 u H21
2016-01-24 03:30:45 C 02 35 06.66 +61 04 08.8 u H21
2016-01-24 03:33:50 C 02 35 07.33 +61 04 06.3 u H21
2016-01-24 03:36:56 C 02 35 08.00 +61 04 03.9 u H21
2016-01-24 03:40:01 C 02 35 08.66 +61 04 01.6 u H21
2016-01-24 03:43:06 C 02 35 09.32 +61 03 59.1 u H21
2016-01-24 03:46:11 C 02 35 09.99 +61 03 56.6 u H21
2016-01-24 03:49:16 C 02 35 10.65 +61 03 54.2 u H21
2016-01-24 03:51:31 C 02 35 11.14 +61 03 52.5 u H21
2016-01-24 03:55:19 C 02 35 11.97 +61 03 49.5 u H21
2016-01-26 07:04:22 C 02 46 03.23 +60 25 00.2 L T05
2016-01-26 07:07:01 C 02 46 03.79 +60 24 58.5 L T05
2016-01-26 07:32:45 C 02 46 08.85 +60 24 37.8 L T05
2016-01-26 07:35:24 C 02 46 09.48 +60 24 36.3 L T05
2016-01-26 07:55:45 C 02 46 13.60 +60 24 19.8 L T05
2016-01-26 17:53:04 C 02 48 16.21 +60 16 42.8 q K73
2016-01-27 06:12:19 C 02 50 45.68 +60 07 22.4 L T05
2016-01-27 06:35:15 C 02 50 50.03 +60 07 04.3 L T05
2016-01-27 07:02:11 C 02 50 55.41 +60 06 43.1 L T05
2016-01-27 07:22:30 C 02 50 59.38 +60 06 27.9 L T05
2016-01-30 03:42:12 C 03 04 12.09 +59 14 23.2 q 703
2016-01-30 03:48:13 C 03 04 13.19 +59 14 18.3 q 703
2016-01-30 03:54:14 C 03 04 14.39 +59 14 14.3 q 703
2016-02-01 06:16:05 C 03 13 23.86 +58 36 08.5 L T05
2016-02-01 07:06:21 C 03 13 32.54 +58 35 29.9 L 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)