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
2022-03-05 10:13:51 S 11 38 11.952 +17 56 27.92 V C57
2022-03-05 10:23:51 S 11 38 11.232 +17 56 29.58 V C57
2022-03-05 10:35:26 C 11 37 42.56 +17 56 34.4 V T08
2022-03-05 10:43:51 S 11 38 09.626 +17 56 34.19 V C57
2022-03-05 10:53:51 S 11 38 08.887 +17 56 39.30 V C57
2022-03-05 11:03:51 S 11 38 08.150 +17 56 35.77 V C57
2022-03-05 11:13:51 S 11 38 06.864 +17 56 39.95 V C57
2022-03-05 11:23:51 S 11 38 06.588 +17 56 45.82 V C57
2022-03-05 12:23:51 S 11 38 01.260 +17 56 59.35 V C57
2022-03-05 12:33:51 S 11 38 00.502 +17 57 04.21 V C57
2022-03-05 12:43:51 S 11 37 59.942 +17 57 07.02 V C57
2022-03-05 12:53:51 S 11 37 58.807 +17 57 05.65 V C57
2022-03-05 13:03:51 S 11 37 58.190 +17 57 10.19 V C57
2022-03-05 13:13:51 S 11 37 57.631 +17 57 15.34 V C57
2022-03-05 13:23:51 S 11 37 56.534 +17 57 18.43 V C57
2022-03-05 13:33:51 S 11 37 56.009 +17 57 19.04 V C57
2022-03-05 13:43:51 S 11 37 54.982 +17 57 24.66 V C57
2022-03-05 13:53:51 S 11 37 54.252 +17 57 25.67 V C57
2022-03-05 14:03:51 S 11 37 53.381 +17 57 28.80 V C57
2022-03-05 14:23:51 S 11 37 51.751 +17 57 32.83 V C57
2022-03-05 14:33:51 S 11 37 50.978 +17 57 35.89 V C57
2022-03-05 14:43:51 S 11 37 50.222 +17 57 38.70 V C57
2022-03-05 14:53:51 S 11 37 49.495 +17 57 41.65 V C57
2022-03-05 15:03:51 S 11 37 48.929 +17 57 43.42 V C57
2022-03-05 15:13:51 S 11 37 47.640 +17 57 43.74 V C57
2022-03-05 15:23:51 S 11 37 46.994 +17 57 48.82 V C57
2022-03-05 15:33:51 S 11 37 46.039 +17 57 52.88 V C57
2022-03-05 15:43:51 S 11 37 44.981 +17 57 50.33 V C57
2022-03-05 16:33:51 S 11 37 40.956 +17 58 08.54 V C57
2022-03-05 16:33:51 s 1 -10131.273 0 +374021.14 2730.0 C57
2022-03-05 16:43:51 S 11 37 40.423 +17 58 12.72 V C57
2022-03-05 16:43:51 s 1 -10527.457 0 +373975.61 5530.0 C57
2022-03-05 16:53:51 S 11 37 39.667 +17 58 13.30 V C57
2022-03-05 16:53:51 s 1 -10923.620 0 +373929.04 7820.0 C57
2022-03-05 17:03:51 S 11 37 38.762 +17 58 16.10 V C57
2022-03-05 17:03:51 s 1 -11319.760 0 +373881.44 9600.0 C57
2022-03-05 17:13:51 S 11 37 37.877 +17 58 19.45 V C57
2022-03-05 17:13:51 s 1 -11715.876 0 +373832.81 870.0 C57
2022-03-05 17:23:51 S 11 37 37.154 +17 58 21.68 V C57
2022-03-05 17:23:51 s 1 -12111.968 0 +373783.14 1620.0 C57
2022-03-05 17:33:51 S 11 37 36.437 +17 58 22.84 V C57
2022-03-05 17:33:51 s 1 -12508.034 0 +373732.43 1850.0 C57
2022-03-05 17:43:51 S 11 37 35.570 +17 58 25.43 V C57
2022-03-05 17:43:51 s 1 -12904.074 0 +373680.69 1540.0 C57
2022-03-05 17:53:51 S 11 37 34.757 +17 58 27.98 V C57
2022-03-05 17:53:51 s 1 -13300.085 0 +373627.92 710.0 C57
2022-03-05 18:03:51 S 11 37 33.982 +17 58 32.12 V C57
2022-03-05 18:03:51 s 1 -13696.067 0 +373574.11 9330.0 C57
2022-03-05 18:13:51 S 11 37 33.086 +17 58 31.94 V C57
2022-03-05 18:13:51 s 1 -14092.019 0 +373519.26 7420.0 C57
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)