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
2008-02-13 10:05:46 C 12 51 19.87 +05 24 51.8 w 699
2008-02-13 10:20:10 C 12 51 19.34 +05 24 54.1 r 683
2008-02-13 10:29:28 C 12 51 19.12 +05 24 54.9 w 699
2008-02-13 10:53:11 C 12 51 18.33 +05 24 57.2 w 699
2008-02-27 10:16:12 C 12 36 27.03 +06 17 58.2 r 703
2008-02-27 10:30:29 C 12 36 26.17 +06 18 00.6 r 703
2008-02-27 10:44:43 C 12 36 25.27 +06 18 03.6 r 703
2008-02-27 10:59:03 C 12 36 24.44 +06 18 06.3 r 703
2008-02-28 19:52:45 C 12 34 25.81 +06 24 41.2 r D29
2008-02-28 20:11:23 C 12 34 24.65 +06 24 45.4 r D29
2008-02-28 20:29:20 C 12 34 23.48 +06 24 48.8 r D29
2008-03-07 06:31:47 C 12 22 07.17 +07 03 07.4 r 703
2008-03-07 06:49:47 C 12 22 05.77 +07 03 11.5 r 703
2008-03-07 07:07:43 C 12 22 04.36 +07 03 15.4 r 703
2008-03-07 07:25:42 C 12 22 03.00 +07 03 19.7 r 703
2008-03-07 07:55:43 C 12 22 00.63 +07 03 26.4 c 704
2008-03-07 08:12:14 C 12 21 59.35 +07 03 29.9 c 704
2008-03-07 08:28:38 C 12 21 58.06 +07 03 33.9 c 704
2008-03-07 08:44:52 C 12 21 56.80 +07 03 37.5 c 704
2008-03-07 09:01:06 C 12 21 55.53 +07 03 40.9 c 704
2008-03-10 06:33:21 C 12 16 27.19 +07 19 17.7 r 703
2008-03-10 06:36:26 C 12 16 26.94 +07 19 18.7 r 703
2008-03-10 06:39:32 C 12 16 26.68 +07 19 19.4 r 703
2008-03-10 06:42:38 C 12 16 26.40 +07 19 20.1 r 703
2008-03-12 00:12:04 C 12 13 00.92 +07 28 38.6 r J51
2008-03-12 00:18:30 C 12 13 00.36 +07 28 40.0 r J51
2008-03-12 00:24:54 C 12 12 59.82 +07 28 41.5 r J51
2008-03-27 23:23:02 C 11 37 52.05 +08 42 07.1 r 084
2008-03-29 00:13:38 C 11 35 30.51 +08 45 29.6 r 084
2008-03-29 00:17:52 C 11 35 30.10 +08 45 30.2 r 084
2008-03-30 00:56:59 C 11 33 10.10 +08 48 37.2 o 084
2008-03-30 07:07:32 C 11 32 35.28 +08 49 24.9 c 704
2008-03-30 07:24:31 C 11 32 33.65 +08 49 26.9 c 704
2008-03-30 07:41:45 C 11 32 32.01 +08 49 28.7 c 704
2008-03-30 07:58:52 C 11 32 30.32 +08 49 31.1 c 704
2008-03-30 08:16:06 C 11 32 28.67 +08 49 32.8 c 704
2008-03-30 21:48:31 C 11 31 12.68 +08 51 07.1 r J46
2008-03-30 21:52:22 C 11 31 12.32 +08 51 07.5 r J46
2008-03-30 21:56:13 C 11 31 11.93 +08 51 08.3 r J46
2008-03-31 00:18:49 C 11 30 58.25 +08 51 24.3 r J51
2008-03-31 00:25:41 C 11 30 57.59 +08 51 25.1 r J51
2008-03-31 00:32:33 C 11 30 56.93 +08 51 26.0 r J51
2008-03-31 20:51:02 C 11 29 02.80 +08 53 34.2 r 084
2008-03-31 20:54:15 C 11 29 02.49 +08 53 34.0 r 084
2008-04-01 04:42:23 C 11 28 19.01 +08 54 25.5 o 691
2008-04-01 05:05:58 C 11 28 16.77 +08 54 27.9 o 691
2008-04-01 05:29:32 C 11 28 14.53 +08 54 30.3 o 691
2008-04-01 23:44:23 C 11 26 32.46 +08 56 12.6 r 084
2008-04-01 23:47:37 C 11 26 32.18 +08 56 12.7 r 084
2008-04-03 04:17:38 C 11 23 55.00 +08 58 43.6 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)