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
2006-03-31 19:05:42 C 10 13 39.26 +25 46 52.1 o 151
2006-03-31 19:07:26 C 10 13 39.16 +25 46 52.0 o 151
2006-04-06 02:34:55 C 10 07 12.68 +25 19 28.1 r 703
2006-04-06 02:44:27 C 10 07 12.46 +25 19 25.4 r 703
2006-04-06 02:53:49 C 10 07 11.89 +25 19 24.0 r 703
2006-04-06 03:03:12 C 10 07 11.35 +25 19 22.5 r 703
2006-04-19 04:54:30 C 09 56 35.40 +23 48 13.2 c 704
2006-04-19 05:09:17 C 09 56 35.15 +23 48 07.8 c 704
2006-04-19 05:24:19 C 09 56 34.77 +23 48 02.4 c 704
2006-04-25 03:18:57 C 09 54 08.06 +22 58 57.6 r 703
2006-04-25 03:29:55 C 09 54 07.88 +22 58 53.0 r 703
2006-04-25 03:41:00 C 09 54 07.74 +22 58 48.3 r 703
2006-04-25 03:52:12 C 09 54 07.59 +22 58 44.6 r 703
2006-04-25 04:17:17 C 09 54 07.23 +22 58 36.4 r 703
2006-04-25 04:30:51 C 09 54 07.02 +22 58 31.0 r 703
2006-04-25 04:44:15 C 09 54 06.84 +22 58 26.5 r 703
2006-04-25 04:57:31 C 09 54 06.69 +22 58 21.5 r 703
2006-04-28 04:31:04 C 09 53 23.76 +22 32 13.2 o 704
2006-04-28 04:46:08 C 09 53 23.57 +22 32 06.6 o 704
2006-04-28 05:01:20 C 09 53 23.50 +22 32 02.0 o 704
2006-04-28 05:16:38 C 09 53 23.35 +22 31 54.8 o 704
2006-05-04 03:58:39 C 09 52 55.23 +21 37 33.3 r 703
2006-05-04 04:07:52 C 09 52 55.16 +21 37 28.2 r 703
2006-05-04 04:17:06 C 09 52 55.27 +21 37 24.5 r 703
2006-05-04 04:26:18 C 09 52 55.20 +21 37 21.4 r 703
2006-05-20 04:31:31 C 09 57 02.88 +18 59 40.8 r 703
2006-05-20 04:33:03 C 09 57 02.88 +18 59 39.3 r 703
2006-05-20 04:40:48 C 09 57 03.06 +18 59 35.9 r 703
2006-05-20 04:42:18 C 09 57 03.02 +18 59 35.8 r 703
2006-05-20 04:50:04 C 09 57 03.24 +18 59 32.0 r 703
2006-05-20 04:51:35 C 09 57 03.24 +18 59 31.7 r 703
2006-05-20 04:59:20 C 09 57 03.49 +18 59 27.8 r 703
2006-05-20 05:00:52 C 09 57 03.49 +18 59 27.3 r 703
2006-05-26 03:38:12 C 10 00 15.80 +17 57 31.9 r 703
2006-05-26 03:51:34 C 10 00 16.23 +17 57 25.3 r 703
2006-05-26 04:04:53 C 10 00 16.48 +17 57 18.2 r 703
2006-05-26 04:18:07 C 10 00 16.81 +17 57 13.6 r 703
2006-05-28 03:48:49 C 10 01 31.30 +17 36 12.8 c 704
2006-05-28 04:08:42 C 10 01 31.84 +17 36 03.7 c 704
2006-05-28 04:45:27 C 10 01 32.85 +17 35 46.9 c 704
2006-05-28 05:01:53 C 10 01 33.32 +17 35 40.1 c 704
2007-01-12 15:39:06 C 21 59 21.94 -05 54 10.7 15.6 r 084
2007-01-17 15:28:10 C 22 25 50.07 -00 41 29.1 16.0 r 084
2007-01-17 15:30:18 C 22 25 50.56 -00 41 23.3 15.9 r 084
2007-01-20 16:38:15 C 22 41 33.02 +02 27 05.9 15.9 r 084
2007-01-20 16:40:24 C 22 41 33.48 +02 27 11.6 15.7 r 084
2007-01-25 15:51:55 C 23 06 36.48 +07 25 14.9 16.2 r 084
2007-01-25 15:54:04 C 23 06 36.95 +07 25 20.3 16.6 r 084
2007-01-31 16:14:01 C 23 36 15.73 +13 03 31.4 16.6 r 084
2007-01-31 16:16:09 C 23 36 16.13 +13 03 36.2 16.8 r 084
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)