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
2022-03-10 15:03:51 S 11 27 29.698 +18 26 55.93 V C57
2022-03-10 15:03:51 s 1 -187445.35 6 +61705.783 2600.0 C57
2022-03-10 15:13:50 S 11 27 28.927 +18 26 56.76 V C57
2022-03-10 15:13:50 s 1 -187281.57 0 +60851.944 1290.0 C57
2022-03-10 15:33:51 S 11 27 26.906 +18 26 58.34 V C57
2022-03-10 15:33:51 s 1 -186945.78 3 +59141.605 1590.0 C57
2022-03-10 16:13:51 S 11 27 23.196 +18 27 09.83 V C57
2022-03-10 16:13:51 s 1 -186240.95 9 +55710.495 2250.0 C57
2022-03-10 16:33:51 S 11 27 21.463 +18 27 18.58 V C57
2022-03-10 16:33:51 s 1 -185871.69 2 +53989.846 1660.0 C57
2022-03-10 16:43:50 S 11 27 20.525 +18 27 19.37 V C57
2022-03-10 16:43:50 s 1 -185682.79 4 +53128.276 7180.0 C57
2022-03-10 16:53:51 S 11 27 19.745 +18 27 20.27 V C57
2022-03-10 16:53:51 s 1 -185491.03 4 +52265.886 9810.0 C57
2022-03-10 17:03:51 S 11 27 18.934 +18 27 19.44 V C57
2022-03-10 17:03:51 s 1 -185296.39 7 +51402.684 9510.0 C57
2022-03-10 17:13:51 S 11 27 17.938 +18 27 22.86 V C57
2022-03-10 17:13:51 s 1 -185098.86 8 +50538.680 6210.0 C57
2022-03-10 17:23:51 S 11 27 16.778 +18 27 26.71 V C57
2022-03-10 17:23:51 s 1 -184898.43 2 +49673.881 9850.0 C57
2022-03-10 17:33:50 S 11 27 16.094 +18 27 28.94 V C57
2022-03-10 17:33:50 s 1 -184695.07 4 +48808.297 370.0 C57
2022-03-10 17:43:51 S 11 27 15.245 +18 27 33.08 V C57
2022-03-10 17:43:51 s 1 -184488.78 0 +47941.937 7700.0 C57
2022-03-10 17:53:50 S 11 27 14.402 +18 27 34.09 V C57
2022-03-10 17:53:50 s 1 -184279.53 3 +47074.808 1780.0 C57
2022-03-10 18:03:51 S 11 27 13.111 +18 27 34.85 V C57
2022-03-10 18:03:51 s 1 -184067.32 0 +46206.921 2540.0 C57
2022-03-10 18:13:50 S 11 27 12.358 +18 27 38.74 V C57
2022-03-10 18:13:50 s 1 -183852.12 4 +45338.285 9940.0 C57
2022-03-10 18:23:51 S 11 27 11.710 +18 27 42.52 V C57
2022-03-10 18:23:51 s 1 -183633.93 1 +44468.909 3890.0 C57
2022-03-10 18:33:51 S 11 27 10.692 +18 27 42.37 V C57
2022-03-10 18:33:51 s 1 -183412.72 4 +43598.803 4340.0 C57
2022-03-10 18:43:51 S 11 27 09.823 +18 27 44.39 V C57
2022-03-10 18:43:51 s 1 -183188.48 8 +42727.976 1220.0 C57
2022-03-10 18:53:51 S 11 27 09.048 +18 27 48.78 V C57
2022-03-10 18:53:51 s 1 -182961.20 9 +41856.439 4480.0 C57
2022-03-10 19:03:50 S 11 27 08.016 +18 27 51.44 V C57
2022-03-10 19:03:50 s 1 -182730.86 9 +40984.201 4030.0 C57
2022-03-10 19:13:51 S 11 27 06.806 +18 27 51.44 V C57
2022-03-10 19:13:51 s 1 -182497.45 3 +40111.273 9820.0 C57
2022-03-10 19:23:50 S 11 27 06.014 +18 27 53.60 V C57
2022-03-10 19:23:50 s 1 -182260.94 6 +39237.665 1780.0 C57
2022-03-10 19:33:51 S 11 27 05.242 +18 27 58.36 V C57
2022-03-10 19:33:51 s 1 -182021.33 2 +38363.387 9850.0 C57
2022-03-10 19:43:50 S 11 27 04.279 +18 27 54.72 V C57
2022-03-10 19:43:50 s 1 -181778.59 3 +37488.451 3970.0 C57
2022-03-10 19:53:51 S 11 27 03.535 +18 28 01.60 V C57
2022-03-10 19:53:51 s 1 -181532.71 6 +36612.867 4050.0 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)