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
2015-06-13 03:46:20 C 10 31 58.85 +06 27 09.1 q 703
2015-06-13 03:53:37 C 10 31 59.03 +06 27 05.5 q 703
2015-06-13 04:00:52 C 10 31 59.30 +06 27 02.3 q 703
2015-06-13 04:08:10 C 10 31 59.51 +06 26 58.5 q 703
2015-12-02 17:20:45 C 19 05 31.95 +38 03 54.6 q K73
2015-12-02 18:31:53 C 19 05 50.18 +38 09 36.1 q K73
2015-12-03 17:51:06 C 19 11 58.31 +40 00 53.8 q K73
2015-12-03 18:55:15 C 19 12 15.45 +40 05 50.5 q K73
2015-12-08 17:51:38 C 19 46 53.91 +48 33 55.7 q K73
2015-12-08 19:03:14 C 19 47 16.42 +48 38 26.2 q K73
2015-12-08 19:37:30 C 19 47 27.31 +48 40 35.2 q K73
2015-12-12 18:03:42 C 20 19 27.10 +54 07 35.1 q K73
2015-12-12 18:57:14 C 20 19 46.29 +54 10 17.6 q K73
2015-12-17 21:35:20 S 21 07 31.934 +59 32 38.36 L C51
2015-12-18 00:44:12 S 21 08 50.582 +59 39 26.17 L C51
2015-12-18 05:27:19 S 21 10 48.847 +59 49 29.86 L C51
2015-12-18 07:01:45 S 21 11 28.43 +59 52 48.9 L C51
2015-12-18 08:36:11 S 21 12 08.08 +59 56 07.0 L C51
2015-12-18 10:10:37 S 21 12 47.74 +59 59 24.0 L C51
2015-12-18 13:19:29 S 21 14 07.31 +60 05 54.7 L C51
2015-12-18 14:53:45 S 21 14 47.08 +60 09 08.3 L C51
2015-12-18 14:53:55 S 21 14 47.16 +60 09 08.4 L C51
2015-12-18 18:02:36 S 21 16 06.94 +60 15 32.5 L C51
2015-12-20 17:37:01 C 21 36 38.19 +61 43 51.3 q D08
2015-12-20 18:09:31 C 21 36 52.26 +61 44 44.9 q D08
2015-12-20 18:53:11 C 21 37 11.19 +61 45 56.9 c A24
2015-12-20 18:53:34 C 21 37 11.36 +61 45 57.6 c A24
2015-12-20 18:59:15 C 21 37 13.76 +61 46 06.3 q D08
2015-12-20 19:54:55 C 21 37 38.11 +61 47 37.5 c A24
2015-12-20 19:55:18 C 21 37 38.27 +61 47 38.0 c A24
2015-12-25 19:00:48 C 22 31 22.91 +64 19 51.6 c A24
2015-12-25 19:01:11 C 22 31 23.06 +64 19 51.9 c A24
2015-12-25 20:04:27 C 22 31 51.72 +64 20 46.4 c A24
2015-12-25 20:04:50 C 22 31 51.88 +64 20 46.7 c A24
2015-12-29 13:33:23 C 23 12 27.81 +65 18 48.8 o 300
2015-12-29 13:35:11 C 23 12 28.51 +65 18 49.0 o 300
2015-12-29 13:36:59 C 23 12 29.44 +65 18 50.1 o 300
2015-12-29 13:38:48 C 23 12 30.27 +65 18 50.8 o 300
2015-12-30 10:36:53 C 23 21 50.72 +65 26 37.9 o 300
2015-12-30 10:40:11 C 23 21 51.92 +65 26 39.6 o 300
2015-12-30 10:43:30 C 23 21 53.42 +65 26 40.6 o 300
2015-12-30 10:46:49 C 23 21 55.03 +65 26 41.2 o 300
2015-12-30 10:50:07 C 23 21 56.26 +65 26 42.7 o 300
2015-12-30 10:53:25 C 23 21 57.68 +65 26 43.4 o 300
2016-01-09 06:16:09 C 00 55 54.71 +64 58 43.6 L T05
2016-01-09 06:35:39 C 00 56 01.36 +64 58 34.4 L T05
2016-01-09 06:44:29 C 00 56 04.35 +64 58 29.9 L T05
2016-01-09 06:55:05 C 00 56 08.03 +64 58 24.7 L T05
2016-01-09 07:21:34 C 00 56 17.11 +64 58 12.0 L T05
2016-01-21 00:37:58 C 02 17 58.88 +62 00 19.2 u H21
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)