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
2013-03-10 21:28:09 C 10 26 43.76 +30 12 17.7 c A24
2013-03-10 21:50:34 C 10 26 41.92 +30 12 17.7 c A24
2013-03-10 22:08:59 C 10 26 40.53 +30 12 18.0 c A24
2013-03-10 22:11:03 C 10 26 40.32 +30 12 18.2 c A24
2013-03-16 05:02:44 C 10 16 59.48 +30 07 12.7 u 703
2013-03-16 05:12:27 C 10 16 58.72 +30 07 11.3 u 703
2013-03-16 05:22:12 C 10 16 58.04 +30 07 10.2 u 703
2013-03-16 05:31:51 C 10 16 57.32 +30 07 09.8 u 703
2013-03-19 07:10:03 C 10 11 45.394 +29 59 32.29 L F51
2013-03-19 07:34:52 C 10 11 43.656 +29 59 29.22 L F51
2013-03-20 04:27:05 C 10 10 18.86 +29 56 42.2 u H21
2013-03-20 04:31:10 C 10 10 18.58 +29 56 41.6 u H21
2013-03-20 04:35:14 C 10 10 18.29 +29 56 41.1 u H21
2013-03-20 04:43:20 C 10 10 17.73 +29 56 40.0 u H21
2013-03-20 22:10:02 C 10 09 08.44 +29 54 11.0 c A24
2013-03-20 22:11:05 C 10 09 08.35 +29 54 10.7 c A24
2013-03-20 22:12:07 C 10 09 08.28 +29 54 10.5 c A24
2013-03-20 22:13:09 C 10 09 08.21 +29 54 10.2 c A24
2013-03-20 23:11:29 C 10 09 04.32 +29 54 02.6 c A24
2013-03-20 23:12:31 C 10 09 04.25 +29 54 01.7 c A24
2013-03-20 23:13:33 C 10 09 04.15 +29 54 00.6 c A24
2013-03-20 23:14:35 C 10 09 03.99 +29 54 00.8 c A24
2013-03-28 03:05:01 C 09 58 51.46 +29 21 03.1 u H21
2013-03-28 03:11:54 C 09 58 51.08 +29 21 01.4 u H21
2013-03-28 03:17:53 C 09 58 50.73 +29 21 00.5 u H21
2013-03-28 03:24:45 C 09 58 50.39 +29 20 58.7 u H21
2013-03-30 04:31:40 C 09 56 19.61 +29 09 03.9 q H21
2013-03-30 04:41:12 C 09 56 19.13 +29 09 01.5 q H21
2013-03-30 04:50:40 C 09 56 18.64 +29 08 59.1 q H21
2013-04-04 03:50:43 C 09 51 00.28 +28 36 18.7 u 703
2013-04-04 03:58:00 C 09 51 00.03 +28 36 16.6 u 703
2013-04-04 04:05:21 C 09 50 59.71 +28 36 14.6 u 703
2013-04-04 04:12:40 C 09 50 59.38 +28 36 12.9 u 703
2013-04-10 20:18:51 C 09 45 34.71 +27 45 11.3 c A24
2013-04-10 20:20:56 C 09 45 34.64 +27 45 10.4 c A24
2013-04-10 20:39:27 C 09 45 34.10 +27 45 04.2 c A24
2013-04-10 21:01:17 C 09 45 33.48 +27 44 56.6 c A24
2013-04-10 21:19:08 C 09 45 32.94 +27 44 50.8 c A24
2013-04-10 21:21:12 C 09 45 32.93 +27 44 50.0 c A24
2013-04-13 20:09:03 C 09 43 46.73 +27 20 12.8 c A24
2013-04-13 20:11:07 C 09 43 46.61 +27 20 12.1 c A24
2013-04-13 20:30:21 C 09 43 46.23 +27 20 05.3 c A24
2013-04-13 20:52:51 C 09 43 45.69 +27 19 56.8 c A24
2013-04-13 21:11:23 C 09 43 45.27 +27 19 50.3 c A24
2013-04-13 21:13:27 C 09 43 45.21 +27 19 49.5 c A24
2013-04-14 21:13:45 C 09 43 14.25 +27 11 14.3 c A24
2013-04-14 21:31:36 C 09 43 13.89 +27 11 07.7 c A24
2013-04-14 21:33:40 C 09 43 13.79 +27 11 06.8 c A24
2013-05-01 03:15:47 C 09 40 11.20 +24 39 42.4 u 703
2013-05-01 03:27:31 C 09 40 11.20 +24 39 38.7 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)