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
2016-02-23 01:51:33 C 04 29 43.46 +52 33 44.2 u H21
2016-02-23 01:54:45 C 04 29 43.85 +52 33 42.4 u H21
2016-02-23 01:57:51 C 04 29 44.26 +52 33 40.5 u H21
2016-02-23 02:00:58 C 04 29 44.62 +52 33 38.6 u H21
2016-02-23 02:04:04 C 04 29 44.97 +52 33 36.5 u H21
2016-02-23 02:07:09 C 04 29 45.35 +52 33 34.4 u H21
2016-02-23 02:10:13 C 04 29 45.75 +52 33 32.6 u H21
2016-02-25 11:31:24 C 04 36 44.45 +51 58 19.3 o 300
2016-02-25 11:35:51 C 04 36 44.98 +51 58 16.3 o 300
2016-02-25 11:40:23 C 04 36 45.58 +51 58 13.4 o 300
2016-02-25 11:44:51 C 04 36 46.02 +51 58 11.3 o 300
2016-02-25 11:49:23 C 04 36 46.58 +51 58 07.3 o 300
2016-02-28 02:27:35 C 04 44 11.76 +51 20 36.7 q 703
2016-02-28 02:36:22 C 04 44 12.79 +51 20 31.5 q 703
2016-02-28 02:45:07 C 04 44 13.85 +51 20 26.5 q 703
2016-02-28 02:53:53 C 04 44 14.78 +51 20 20.1 q 703
2016-03-01 06:46:27 C 04 50 14.38 +50 49 59.9 L T05
2016-03-01 07:07:20 C 04 50 16.66 +50 49 47.5 L T05
2016-03-01 07:34:12 C 04 50 19.69 +50 49 32.8 L T05
2016-03-01 07:49:47 C 04 50 21.43 +50 49 22.8 L T05
2016-03-04 02:07:41 C 04 57 50.92 +50 11 29.2 q H45
2016-03-04 02:09:22 C 04 57 51.06 +50 11 27.7 q H45
2016-03-04 02:11:52 C 04 57 51.40 +50 11 26.5 q H45
2016-03-04 02:13:04 C 04 57 51.49 +50 11 26.4 q H45
2016-03-04 02:14:20 C 04 57 51.66 +50 11 24.9 q H45
2016-03-04 02:16:01 C 04 57 51.87 +50 11 23.9 q H45
2016-03-20 02:47:44 C 05 38 18.80 +46 49 02.1 q G96
2016-03-20 02:56:40 C 05 38 19.67 +46 48 57.5 q G96
2016-03-20 03:05:34 C 05 38 20.55 +46 48 53.1 q G96
2016-03-20 03:14:27 C 05 38 21.42 +46 48 48.6 q G96
2017-01-09 11:34:59 C 13 36 28.45 -05 08 14.3 q G96
2017-01-09 11:41:11 C 13 36 28.71 -05 08 16.4 q G96
2017-01-09 11:47:29 C 13 36 28.98 -05 08 19.0 q G96
2017-01-09 11:53:41 C 13 36 29.22 -05 08 21.4 q G96
2017-01-27 05:16:27 C 13 52 35.98 -07 54 45.1 q 160
2017-01-27 05:19:13 C 13 52 36.11 -07 54 46.3 q 160
2017-01-27 05:21:59 C 13 52 36.20 -07 54 46.6 q 160
2017-01-30 11:08:23 C 13 55 00.89 -08 25 16.2 q G96
2017-01-30 11:14:40 C 13 55 01.08 -08 25 19.2 q G96
2017-01-30 11:20:54 C 13 55 01.28 -08 25 21.8 q G96
2017-01-30 11:27:10 C 13 55 01.50 -08 25 24.6 q G96
2017-01-30 14:09:37 C 13 55 06.308 -08 26 27.25 L F51
2017-01-30 14:27:04 C 13 55 06.800 -08 26 34.12 L F51
2017-01-30 14:44:27 C 13 55 07.287 -08 26 40.99 L F51
2017-01-30 15:01:54 C 13 55 07.777 -08 26 47.85 L F51
2017-01-31 11:23:09 C 13 55 43.45 -08 34 49.4 q 703
2017-01-31 11:30:59 C 13 55 43.68 -08 34 52.7 q 703
2017-01-31 11:38:58 C 13 55 43.90 -08 34 55.9 q 703
2017-01-31 11:46:55 C 13 55 44.08 -08 34 58.7 q 703
2017-02-02 06:58:17 C 13 56 56.90 -08 51 56.4 q W98
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)