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
2001-12-08 11:05:10 C 11 01 56.40 +53 14 25.5 16.7 c 704
2001-12-08 11:27:04 C 11 01 55.57 +53 14 46.8 16.7 c 704
2001-12-08 11:50:48 C 11 01 54.64 +53 15 09.7 16.8 c 704
2001-12-08 12:12:36 C 11 01 53.78 +53 15 31.0 16.8 c 704
2001-12-08 12:34:15 C 11 01 52.94 +53 15 52.0 16.8 c 704
2001-12-18 12:25:24 C 10 47 21.742 +57 12 15.44 g 689
2001-12-25 11:38:34 C 10 29 02.071 +59 48 33.30 g 689
2001-12-30 20:11:25 C 10 09 51.26 +61 31 40.9 151
2001-12-30 20:16:05 C 10 09 50.54 +61 31 43.8 151
2001-12-30 20:20:49 C 10 09 49.73 +61 31 47.6 151
2001-12-30 20:25:40 C 10 09 48.92 +61 31 51.0 151
2002-01-03 08:50:14 C 09 54 53.20 +62 27 09.5 16.9 c 704
2002-01-03 09:12:29 C 09 54 48.91 +62 27 21.9 16.4 c 704
2002-01-03 09:34:46 C 09 54 44.58 +62 27 34.8 16.4 c 704
2002-01-03 09:57:03 C 09 54 40.33 +62 27 47.7 16.4 c 704
2002-01-03 10:19:21 C 09 54 36.02 +62 28 00.2 16.4 c 704
2002-01-03 21:25:46 C 09 52 31.60 +62 34 13.7 151
2002-01-03 21:31:05 C 09 52 30.61 +62 34 16.2 151
2002-01-03 21:35:34 C 09 52 29.76 +62 34 19.2 151
2002-01-03 21:37:29 C 09 52 29.29 +62 34 20.3 c 127
2002-01-03 21:39:16 C 09 52 29.06 +62 34 21.5 151
2002-01-03 21:49:32 C 09 52 26.98 +62 34 27.3 c 127
2002-01-03 21:56:43 C 09 52 25.60 +62 34 31.3 c 127
2002-01-04 21:27:37 C 09 47 54.98 +62 47 06.9 c 127
2002-01-04 21:34:16 C 09 47 53.68 +62 47 10.4 c 127
2002-01-04 21:48:37 C 09 47 50.85 +62 47 18.2 c 127
2002-01-06 10:02:59 C 09 40 40.079 +63 04 42.05 g 689
2002-01-08 09:48:18 C 09 30 53.720 +63 23 24.37 g 689
2002-01-08 21:11:18 C 09 28 31.90 +63 27 03.6 c 127
2002-01-08 21:42:27 C 09 28 25.33 +63 27 14.0 c 127
2002-01-13 09:02:45 C 09 05 29.412 +63 48 18.24 g 689
2002-01-14 07:49:01 C 09 00 35.14 +63 49 25.4 c 711
2002-01-14 07:54:04 C 09 00 34.02 +63 49 25.5 c 711
2002-01-14 07:59:02 C 09 00 32.92 +63 49 25.7 c 711
2002-01-17 08:24:19 C 08 45 06.575 +63 45 09.09 g 689
2002-01-18 08:18:24 C 08 40 06.923 +63 41 13.60 g 689
2002-01-19 08:06:36 C 08 35 12.960 +63 36 07.05 g 689
2002-01-20 08:00:49 C 08 30 22.901 +63 29 49.34 g 689
2002-01-26 07:26:06 C 08 03 44.05 +62 29 56.1 16.6 c 704
2002-01-26 07:47:47 C 08 03 40.27 +62 29 44.1 16.9 c 704
2002-01-26 08:09:30 C 08 03 36.38 +62 29 31.7 17.4 c 704
2002-01-26 08:31:13 C 08 03 32.69 +62 29 19.5 17.1 c 704
2002-01-26 08:52:49 C 08 03 28.90 +62 29 07.5 17.7 c 704
2002-01-30 20:01:18 C 07 46 51.63 +61 24 00.8 151
2002-01-30 20:05:01 C 07 46 51.17 +61 23 56.9 151
2002-01-30 20:12:31 C 07 46 50.11 +61 23 54.1 151
2002-01-30 20:16:04 C 07 46 49.58 +61 23 51.1 151
2002-01-30 20:19:26 C 07 46 49.06 +61 23 48.8 151
2002-02-01 05:45:04 C 07 42 14.19 +61 00 53.6 17.3 c 704
2002-02-01 06:06:21 C 07 42 11.25 +61 00 38.6 17.4 c 704
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)