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
2013-05-01 03:39:12 C 09 40 11.28 +24 39 33.5 u 703
2013-05-01 03:51:28 C 09 40 11.35 +24 39 28.2 u 703
2013-06-10 03:53:09 C 10 03 13.14 +17 35 41.4 u 703
2013-06-10 04:00:21 C 10 03 13.35 +17 35 38.3 u 703
2013-06-10 04:07:40 C 10 03 13.71 +17 35 34.7 u 703
2013-06-10 04:14:53 C 10 03 13.96 +17 35 31.7 u 703
2013-06-10 04:22:15 C 10 03 14.29 +17 35 28.2 u 703
2014-11-30 11:59:04 C 12 11 30.39 +11 25 26.9 q 703
2014-11-30 12:16:54 C 12 11 31.07 +11 25 23.3 q 703
2014-11-30 12:25:49 C 12 11 31.55 +11 25 20.7 q 703
2014-12-11 11:13:59 C 12 21 56.18 +10 27 56.9 q 703
2014-12-11 11:19:45 C 12 21 56.39 +10 27 56.4 q 703
2014-12-11 11:25:34 C 12 21 56.60 +10 27 55.5 q 703
2014-12-11 11:31:20 C 12 21 56.76 +10 27 54.6 q 703
2014-12-24 11:17:19 C 12 32 01.56 +09 37 40.5 q 703
2014-12-24 11:23:50 C 12 32 01.83 +09 37 40.3 q 703
2014-12-24 11:30:21 C 12 32 01.97 +09 37 38.9 q 703
2014-12-24 11:36:54 C 12 32 02.15 +09 37 38.6 q 703
2014-12-29 12:53:16 C 12 35 08.21 +09 24 08.8 R G45
2014-12-29 12:57:39 C 12 35 08.30 +09 24 08.5 R G45
2014-12-29 13:02:02 C 12 35 08.39 +09 24 08.0 R G45
2014-12-29 13:07:05 C 12 35 08.49 +09 24 07.5 R G45
2015-01-28 12:26:22 C 12 40 14.329 +09 28 08.40 L F51
2015-01-28 12:43:12 C 12 40 14.088 +09 28 10.43 L F51
2015-01-28 13:00:02 C 12 40 13.850 +09 28 12.39 L F51
2015-01-28 13:16:52 C 12 40 13.606 +09 28 14.38 L F51
2015-01-29 23:01:12 C 12 39 45.05 +09 32 18.5 o C41
2015-01-29 23:11:38 C 12 39 44.83 +09 32 19.6 o C41
2015-01-29 23:22:12 C 12 39 44.70 +09 32 20.7 o C41
2015-02-11 02:35:52 C 12 32 13.42 +10 22 19.9 q 160
2015-02-11 02:38:38 C 12 32 13.28 +10 22 21.2 q 160
2015-02-11 02:41:24 C 12 32 13.20 +10 22 21.0 q 160
2015-02-11 03:29:49 C 12 32 11.45 +10 22 32.5 18.4 u J43
2015-02-11 03:44:58 C 12 32 10.86 +10 22 35.8 18.3 u J43
2015-02-11 04:00:08 C 12 32 10.28 +10 22 39.1 18.4 u J43
2015-02-11 04:15:20 C 12 32 09.71 +10 22 42.1 18.5 u J43
2015-02-11 10:06:37 C 12 31 56.73 +10 23 57.6 q 703
2015-02-11 10:13:51 C 12 31 56.46 +10 23 59.2 q 703
2015-02-11 10:21:06 C 12 31 56.15 +10 24 00.8 q 703
2015-02-11 10:28:19 C 12 31 55.89 +10 24 02.3 q 703
2015-02-12 02:24:22 C 12 31 19.47 +10 27 29.5 q 160
2015-02-12 02:27:21 C 12 31 19.35 +10 27 30.7 q 160
2015-02-12 02:30:15 C 12 31 19.25 +10 27 31.5 q 160
2015-02-14 10:33:51 C 12 29 01.44 +10 40 17.1 R G45
2015-02-14 10:39:49 C 12 29 01.17 +10 40 18.6 R G45
2015-02-14 10:46:05 C 12 29 00.86 +10 40 20.0 R G45
2015-02-14 10:52:08 C 12 29 00.60 +10 40 21.2 R G45
2015-02-14 10:55:32 C 12 29 00.46 +10 40 22.1 R G45
2015-02-14 11:01:30 C 12 29 00.14 +10 40 23.1 R G45
2015-02-15 09:41:08 C 12 28 00.33 +10 45 45.9 N I41
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)