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
2022-03-03 14:33:51 s 1 +104665.86 8 +340877.67 9450.0 C57
2022-03-03 14:43:51 S 11 41 38.105 +17 44 38.33 V C57
2022-03-03 14:43:51 s 1 +104314.05 9 +341145.14 1190.0 C57
2022-03-03 14:53:51 S 11 41 37.308 +17 44 40.31 V C57
2022-03-03 14:53:51 s 1 +103961.91 6 +341411.54 1850.0 C57
2022-03-03 15:03:51 S 11 41 36.358 +17 44 44.30 V C57
2022-03-03 15:03:51 s 1 +103609.44 1 +341676.86 1460.0 C57
2022-03-03 15:33:51 S 11 41 34.404 +17 44 54.38 V C57
2022-03-03 15:33:51 s 1 +102550.03 8 +342466.39 3950.0 C57
2022-03-03 15:43:51 S 11 41 33.514 +17 44 55.03 V C57
2022-03-03 15:43:51 s 1 +102196.24 9 +342727.42 9360.0 C57
2022-03-03 17:13:51 S 11 41 26.549 +17 45 18.36 V C57
2022-03-03 17:13:51 s 1 +98997.700 0 +345028.44 2430.0 C57
2022-03-03 17:23:51 S 11 41 25.891 +17 45 22.14 V C57
2022-03-03 17:23:51 s 1 +98640.726 0 +345278.75 7810.0 C57
2022-03-03 17:33:51 S 11 41 24.725 +17 45 23.76 V C57
2022-03-03 17:33:51 s 1 +98283.442 0 +345528.00 2230.0 C57
2022-03-03 17:43:51 S 11 41 24.238 +17 45 30.60 V C57
2022-03-03 17:43:51 s 1 +97925.849 0 +345776.18 5680.0 C57
2022-03-03 17:53:51 S 11 41 23.558 +17 45 34.67 V C57
2022-03-03 17:53:51 s 1 +97567.948 0 +346023.28 8180.0 C57
2022-03-03 18:03:51 S 11 41 22.651 +17 45 32.00 V C57
2022-03-03 18:03:51 s 1 +97209.741 0 +346269.32 9730.0 C57
2022-03-03 18:13:51 S 11 41 21.936 +17 45 37.66 V C57
2022-03-03 18:13:51 s 1 +96851.228 0 +346514.30 330.0 C57
2022-03-03 18:23:51 S 11 41 21.170 +17 45 39.96 V C57
2022-03-03 18:23:51 s 1 +96492.412 0 +346758.20 9990.0 C57
2022-03-03 18:33:51 S 11 41 20.354 +17 45 41.62 V C57
2022-03-03 18:33:51 s 1 +96133.294 0 +347001.04 8730.0 C57
2022-03-03 18:43:51 S 11 41 19.553 +17 45 46.30 V C57
2022-03-03 18:43:51 s 1 +95773.875 0 +347242.81 6530.0 C57
2022-03-03 18:53:51 S 11 41 18.953 +17 45 48.17 V C57
2022-03-03 18:53:51 s 1 +95414.156 0 +347483.51 3420.0 C57
2022-03-03 19:03:51 S 11 41 18.144 +17 45 52.45 V C57
2022-03-03 19:03:51 s 1 +95054.140 0 +347723.15 9400.0 C57
2022-03-03 19:13:51 S 11 41 17.280 +17 45 53.24 V C57
2022-03-03 19:13:51 s 1 +94693.827 0 +347961.72 4470.0 C57
2022-03-03 19:43:51 S 11 41 14.861 +17 46 02.71 V C57
2022-03-03 19:43:51 s 1 +93611.121 0 +348671.04 4290.0 C57
2022-03-03 19:53:51 S 11 41 14.460 +17 46 06.02 V C57
2022-03-03 19:53:51 s 1 +93249.635 0 +348905.35 5790.0 C57
2022-03-03 20:03:51 S 11 41 13.188 +17 46 06.67 V C57
2022-03-03 20:03:51 s 1 +92887.859 0 +349138.59 6420.0 C57
2022-03-03 20:13:51 S 11 41 12.653 +17 46 08.40 V C57
2022-03-03 20:13:51 s 1 +92525.795 0 +349370.77 6170.0 C57
2022-03-03 20:33:51 S 11 41 11.150 +17 46 16.25 V C57
2022-03-03 20:33:51 s 1 +91800.806 0 +349831.95 3090.0 C57
2022-03-03 22:23:51 S 11 41 02.484 +17 46 43.64 V C57
2022-03-03 22:23:51 s 1 +87793.326 0 +352292.44 6440.0 C57
2022-03-03 22:53:51 S 11 41 00.122 +17 46 54.73 V 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)