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
2018-02-15 00:32:22 C 08 56 22.33 +50 14 56.3 q I15
2018-02-15 19:29:13 C 08 54 22.50 +50 09 02.9 U Z52
2018-02-15 20:45:20 C 08 54 14.47 +50 08 39.6 U Z52
2018-02-15 21:58:41 C 08 54 06.70 +50 08 16.3 U Z52
2018-02-23 00:52:13 C 08 38 07.86 +49 01 28.9 U W34
2018-02-23 01:06:26 C 08 38 06.66 +49 01 22.6 U W34
2018-02-23 01:27:18 C 08 38 04.88 +49 01 13.6 U W34
2018-02-23 01:41:06 C 08 38 03.72 +49 01 07.4 U W34
2018-02-25 04:07:14 C 08 34 03.99 +48 37 33.9 U I41
2018-02-25 04:26:41 C 08 34 02.45 +48 37 25.5 U 703
2018-02-25 04:34:30 C 08 34 01.81 +48 37 21.5 U 703
2018-02-25 04:42:19 C 08 34 01.22 +48 37 17.9 U 703
2018-02-25 04:50:08 C 08 34 00.58 +48 37 14.2 U 703
2018-02-25 04:55:01 C 08 34 00.24 +48 37 11.3 U I41
2018-02-25 06:09:21 C 08 33 54.43 +48 36 35.8 U I41
2018-02-25 06:37:07 C 08 33 52.27 +48 36 22.4 U I41
2018-02-25 07:10:44 C 08 33 49.65 +48 36 06.1 U I41
2018-02-25 07:41:39 C 08 33 47.25 +48 35 50.6 U I41
2018-03-05 04:56:17 C 08 21 50.03 +46 56 58.1 U I41
2018-03-05 05:44:15 C 08 21 47.49 +46 56 31.8 U I41
2018-03-06 04:12:05 C 08 20 40.52 +46 44 01.2 U I41
2018-03-06 04:36:39 C 08 20 39.24 +46 43 48.1 U 703
2018-03-06 04:44:49 C 08 20 38.82 +46 43 43.5 U 703
2018-03-06 04:53:30 C 08 20 38.39 +46 43 38.8 U 703
2018-03-06 05:02:08 C 08 20 38.02 +46 43 33.4 U 703
2018-03-06 05:59:53 C 08 20 35.09 +46 43 01.1 U I41
2018-03-06 06:04:32 C 08 20 34.86 +46 42 58.4 U I41
2018-03-07 05:03:06 C 08 19 30.35 +46 30 03.9 U G96
2018-03-07 05:10:40 C 08 19 29.99 +46 29 59.6 U G96
2018-03-07 05:18:14 C 08 19 29.64 +46 29 55.3 U G96
2018-03-07 05:25:49 C 08 19 29.24 +46 29 50.8 U G96
2018-03-09 03:05:37 C 08 17 32.36 +46 03 53.1 U G96
2018-03-09 03:13:11 C 08 17 32.04 +46 03 48.8 U G96
2018-03-09 03:20:44 C 08 17 31.72 +46 03 44.5 U G96
2018-03-09 03:28:16 C 08 17 31.40 +46 03 40.3 U G96
2018-03-10 05:17:26 C 08 16 31.32 +45 48 50.7 U 703
2018-03-10 05:25:03 C 08 16 31.04 +45 48 46.3 U 703
2018-03-10 05:32:41 C 08 16 30.77 +45 48 42.0 U 703
2018-03-10 05:53:39 C 08 16 29.92 +45 48 29.9 U 703
2018-03-17 08:20:30 C 08 11 43.75 +44 09 11.4 U T05
2018-03-17 08:34:54 C 08 11 43.47 +44 09 03.1 U T05
2018-03-17 08:50:16 C 08 11 43.14 +44 08 54.0 U T05
2018-03-17 08:58:58 C 08 11 42.90 +44 08 49.1 U T05
2018-03-18 06:29:54 C 08 11 19.35 +43 56 11.3 U 703
2018-03-18 06:38:13 C 08 11 19.21 +43 56 06.6 U 703
2018-03-18 06:46:32 C 08 11 19.04 +43 56 01.4 U 703
2018-03-18 06:54:50 C 08 11 18.90 +43 55 56.4 U 703
2018-03-21 04:16:44 C 08 10 20.90 +43 15 21.9 U 703
2018-03-21 04:24:27 C 08 10 20.73 +43 15 17.3 U 703
2018-03-21 04:32:09 C 08 10 20.70 +43 15 13.0 U 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)