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
2013-01-27 08:12:36 C 11 41 30.22 +25 28 19.1 u H21
2013-02-05 07:13:16 C 11 30 04.75 +26 55 36.7 u 703
2013-02-05 07:25:38 C 11 30 03.99 +26 55 42.0 u 703
2013-02-05 07:38:09 C 11 30 03.16 +26 55 47.3 u 703
2013-02-05 07:50:34 C 11 30 02.41 +26 55 51.9 u 703
2013-02-07 10:57:00 C 11 26 48.12 +27 16 21.6 r 703
2013-02-07 11:05:20 C 11 26 47.54 +27 16 24.7 r 703
2013-02-07 11:13:43 C 11 26 47.00 +27 16 27.6 r 703
2013-02-07 11:22:04 C 11 26 46.50 +27 16 31.0 r 703
2013-02-10 00:52:54 C 11 22 38.56 +27 40 33.2 c A24
2013-02-10 00:54:58 C 11 22 38.46 +27 40 33.6 c A24
2013-02-10 01:14:32 C 11 22 37.14 +27 40 41.4 c A24
2013-02-10 01:37:23 C 11 22 35.45 +27 40 50.4 c A24
2013-02-10 01:56:15 C 11 22 34.15 +27 40 57.8 c A24
2013-02-10 01:58:20 C 11 22 34.05 +27 40 58.2 c A24
2013-02-17 08:32:35 C 11 09 34.45 +28 43 14.4 r 703
2013-02-17 08:42:58 C 11 09 33.62 +28 43 18.2 r 703
2013-02-17 08:53:19 C 11 09 32.79 +28 43 20.9 r 703
2013-02-17 09:03:37 C 11 09 31.93 +28 43 24.0 r 703
2013-02-19 20:15:45 C 11 04 47.54 +29 01 39.9 o C41
2013-02-19 20:59:15 C 11 04 43.95 +29 01 53.3 o C41
2013-02-19 23:51:23 C 11 04 29.94 +29 02 41.8 w Z86
2013-02-20 00:01:15 C 11 04 29.50 +29 02 48.9 w Z86
2013-02-20 00:09:00 C 11 04 28.55 +29 02 47.6 w Z86
2013-02-25 04:45:48 C 10 54 07.91 +29 34 57.2 u H21
2013-02-25 04:51:30 C 10 54 07.43 +29 34 58.8 u H21
2013-02-25 04:55:45 C 10 54 07.07 +29 34 59.6 u H21
2013-02-27 23:39:02 C 10 48 28.13 +29 48 22.6 q C73
2013-02-27 23:40:11 C 10 48 28.05 +29 48 22.9 q C73
2013-02-27 23:41:21 C 10 48 27.95 +29 48 23.2 q C73
2013-02-27 23:42:31 C 10 48 27.85 +29 48 23.1 q C73
2013-02-27 23:43:40 C 10 48 27.68 +29 48 23.4 q C73
2013-02-27 23:44:50 C 10 48 27.56 +29 48 23.5 q C73
2013-02-27 23:45:59 C 10 48 27.50 +29 48 23.7 q C73
2013-02-27 23:47:09 C 10 48 27.39 +29 48 23.8 q C73
2013-02-27 23:48:18 C 10 48 27.33 +29 48 24.1 q C73
2013-02-27 23:49:28 C 10 48 27.22 +29 48 24.5 q C73
2013-02-27 23:50:37 C 10 48 27.11 +29 48 24.8 q C73
2013-02-27 23:51:46 C 10 48 27.02 +29 48 25.1 q C73
2013-02-27 23:52:56 C 10 48 26.91 +29 48 25.3 q C73
2013-02-27 23:54:05 C 10 48 26.84 +29 48 25.3 q C73
2013-02-27 23:55:14 C 10 48 26.74 +29 48 25.5 q C73
2013-02-27 23:55:49 C 10 48 26.72 +29 48 25.6 q C73
2013-02-27 23:56:24 C 10 48 26.68 +29 48 25.9 q C73
2013-03-03 05:10:50 C 10 41 54.56 +30 00 20.4 u 703
2013-03-03 05:18:06 C 10 41 53.95 +30 00 20.9 u 703
2013-03-03 05:25:27 C 10 41 53.34 +30 00 21.4 u 703
2013-03-03 05:32:47 C 10 41 52.69 +30 00 23.3 u 703
2013-03-10 21:06:59 C 10 26 45.54 +30 12 18.2 c A24
2013-03-10 21:09:02 C 10 26 45.34 +30 12 17.7 c A24
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)