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
2015-03-17 02:55:13 C 11 37 55.81 +13 50 25.8 o H15
2015-03-17 03:10:52 C 11 37 54.42 +13 50 29.2 o H15
2015-03-17 03:26:59 C 11 37 52.98 +13 50 32.8 o H15
2015-03-19 00:13:33 C 11 33 56.27 +13 59 18.5 q 160
2015-03-19 00:16:05 C 11 33 56.04 +13 59 19.3 q 160
2015-03-19 00:18:35 C 11 33 55.80 +13 59 20.0 q 160
2015-03-19 22:25:00 C 11 31 58.95 +14 03 22.7 q 160
2015-03-19 22:27:17 C 11 31 58.68 +14 03 22.0 q 160
2015-03-19 22:29:34 C 11 31 58.55 +14 03 23.5 q 160
2015-03-20 07:08:57 C 11 31 12.62 +14 04 56.6 q 703
2015-03-20 07:14:45 C 11 31 12.11 +14 04 57.5 q 703
2015-03-20 07:20:30 C 11 31 11.61 +14 04 58.5 q 703
2015-03-20 07:26:17 C 11 31 11.07 +14 04 59.1 q 703
2015-03-20 22:02:50 C 11 29 53.80 +14 07 28.6 q 160
2015-03-20 22:05:19 C 11 29 53.57 +14 07 28.8 q 160
2015-03-20 22:07:47 C 11 29 53.34 +14 07 29.1 q 160
2015-03-21 15:24:56 C 11 28 21.75 +14 10 21.5 q D29
2015-03-21 15:26:13 C 11 28 21.66 +14 10 20.6 q D29
2015-03-21 15:46:32 C 11 28 19.85 +14 10 24.2 q D29
2015-03-21 15:47:48 C 11 28 19.76 +14 10 23.2 q D29
2015-03-21 16:08:07 C 11 28 17.88 +14 10 28.1 q D29
2015-03-21 16:09:23 C 11 28 17.78 +14 10 27.5 q D29
2015-03-24 07:40:28 C 11 22 42.60 +14 19 42.9 R G45
2015-03-24 07:52:01 C 11 22 41.57 +14 19 44.8 R G45
2015-03-24 07:54:02 C 11 22 41.38 +14 19 45.0 R G45
2015-03-24 08:04:40 C 11 22 40.43 +14 19 46.1 R G45
2015-03-24 08:18:21 C 11 22 39.22 +14 19 47.8 R G45
2015-03-24 11:30:09 C 11 22 22.416 +14 20 14.68 L F51
2015-03-24 11:46:42 C 11 22 20.938 +14 20 16.76 L F51
2015-03-24 12:03:14 C 11 22 19.466 +14 20 18.84 L F51
2015-03-24 12:19:43 C 11 22 17.997 +14 20 20.91 L F51
2015-03-25 07:31:15 C 11 20 37.74 +14 22 42.3 R G45
2015-03-25 07:41:08 C 11 20 36.85 +14 22 43.7 R G45
2015-03-25 07:52:29 C 11 20 35.87 +14 22 44.5 R G45
2015-03-25 08:05:00 C 11 20 34.77 +14 22 46.3 R G45
2015-03-25 08:15:00 C 11 20 33.86 +14 22 47.6 R G45
2015-03-25 14:48:47 C 11 19 59.88 +14 23 34.3 q D29
2015-03-25 15:10:22 C 11 19 57.96 +14 23 36.8 q D29
2015-03-25 15:31:58 C 11 19 56.06 +14 23 39.2 q D29
2015-03-25 18:34:47 C 11 19 40.34 +14 23 58.6 o C41
2015-03-25 18:45:07 C 11 19 39.40 +14 24 00.2 o C41
2015-03-25 18:55:28 C 11 19 38.51 +14 24 01.2 o C41
2015-03-28 13:02:51 C 11 13 57.88 +14 30 27.7 q D29
2015-03-28 13:23:10 C 11 13 56.10 +14 30 29.2 q D29
2015-03-28 13:43:29 C 11 13 54.32 +14 30 31.0 q D29
2015-03-30 00:01:09 C 11 11 00.92 +14 32 58.5 18.0 o J43
2015-03-30 00:16:04 C 11 10 59.63 +14 32 59.4 17.9 o J43
2015-03-30 00:30:55 C 11 10 58.36 +14 33 00.3 17.7 o J43
2015-03-30 00:45:50 C 11 10 57.09 +14 33 01.1 17.5 o J43
2015-04-02 23:23:44 C 11 03 15.04 +14 36 35.4 q 160
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)