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
2017-12-15 15:49:27 C 11 05 03.89 +40 49 12.4 U T08
2017-12-20 09:23:11 C 11 03 22.76 +41 57 17.2 U 703
2017-12-20 09:30:24 C 11 03 22.60 +41 57 21.6 U 703
2017-12-20 09:37:35 C 11 03 22.43 +41 57 26.3 U 703
2017-12-20 09:44:48 C 11 03 22.26 +41 57 30.7 U 703
2017-12-24 10:43:07 C 11 00 44.02 +42 59 26.9 U 703
2017-12-24 10:51:07 C 11 00 43.71 +42 59 32.1 U 703
2017-12-24 10:59:07 C 11 00 43.45 +42 59 37.6 U 703
2017-12-24 11:07:07 C 11 00 43.16 +42 59 42.6 U 703
2017-12-25 14:43:39 C 10 59 45.31 +43 17 51.3 U T05
2017-12-25 14:58:07 C 10 59 44.74 +43 18 00.9 U T05
2017-12-25 15:13:20 C 10 59 44.13 +43 18 10.9 U T05
2017-12-25 15:27:14 C 10 59 43.57 +43 18 20.2 U T05
2017-12-28 09:52:41 C 10 57 00.62 +44 02 31.6 U 703
2017-12-28 10:00:32 C 10 57 00.22 +44 02 37.0 U 703
2017-12-28 10:08:22 C 10 56 59.85 +44 02 42.3 U 703
2017-12-28 10:16:13 C 10 56 59.34 +44 02 48.0 U 703
2017-12-29 14:50:59 C 10 55 38.23 +44 22 02.4 U T05
2017-12-29 15:05:49 C 10 55 37.46 +44 22 12.6 U T05
2017-12-29 15:20:58 C 10 55 36.68 +44 22 22.8 U T05
2017-12-30 07:45:18 C 10 54 47.77 +44 33 23.0 U G96
2017-12-30 07:52:49 C 10 54 47.37 +44 33 28.2 U G96
2017-12-30 07:59:02 C 10 54 47.04 +44 33 32.7 U 703
2017-12-30 08:00:21 C 10 54 46.97 +44 33 33.4 U G96
2017-12-30 08:06:53 C 10 54 46.64 +44 33 38.3 U 703
2017-12-30 08:07:51 C 10 54 46.57 +44 33 38.6 U G96
2017-12-30 08:14:43 C 10 54 46.24 +44 33 43.1 U 703
2017-12-30 08:22:34 C 10 54 45.75 +44 33 48.7 U 703
2018-01-02 12:05:59 C 10 50 28.58 +45 24 57.8 U T05
2018-01-02 12:18:54 C 10 50 27.78 +45 25 06.6 U T05
2018-01-02 12:31:25 C 10 50 26.91 +45 25 15.1 U T05
2018-01-02 12:44:12 C 10 50 26.09 +45 25 24.3 U T05
2018-01-04 14:02:50 C 10 47 12.81 +45 58 28.2 U T08
2018-01-04 14:10:39 C 10 47 12.23 +45 58 33.9 U T08
2018-01-04 14:26:00 C 10 47 11.05 +45 58 44.0 U T08
2018-01-06 09:02:22 C 10 44 08.21 +46 26 54.2 U G96
2018-01-06 09:09:53 C 10 44 07.63 +46 26 59.0 U G96
2018-01-06 09:17:26 C 10 44 07.04 +46 27 04.2 U G96
2018-01-06 09:24:59 C 10 44 06.46 +46 27 09.3 U G96
2018-01-07 13:08:32 C 10 41 58.877 +46 45 16.72 U F51
2018-01-07 13:28:28 C 10 41 57.250 +46 45 29.74 U F51
2018-01-07 13:48:23 C 10 41 55.619 +46 45 42.69 U F51
2018-01-07 14:08:30 C 10 41 53.977 +46 45 55.71 U F51
2018-01-09 10:44:45 C 10 38 15.17 +47 14 25.7 U 703
2018-01-09 10:52:58 C 10 38 14.45 +47 14 30.9 U 703
2018-01-09 11:01:16 C 10 38 13.69 +47 14 36.2 U 703
2018-01-09 11:26:23 C 10 38 11.39 +47 14 52.1 U 703
2018-01-10 13:38:21 C 10 35 55.31 +47 31 14.3 U T05
2018-01-10 13:52:29 C 10 35 54.02 +47 31 23.1 U T05
2018-01-10 14:05:23 C 10 35 52.86 +47 31 31.0 U 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)