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 20:03:51 S 11 27 02.388 +18 28 03.79 V C57
2022-03-10 20:03:51 s 1 -181283.68 2 +35736.646 40.0 C57
2022-03-10 20:13:51 S 11 27 01.634 +18 28 04.66 V C57
2022-03-10 20:13:51 s 1 -181031.47 6 +34859.799 1870.0 C57
2022-03-10 20:33:50 S 11 26 59.918 +18 28 10.60 V C57
2022-03-10 20:33:50 s 1 -180517.48 4 +33104.274 2790.0 C57
2022-03-10 20:43:51 S 11 26 59.196 +18 28 11.57 V C57
2022-03-10 20:43:51 s 1 -180255.66 4 +32225.619 1740.0 C57
2022-03-10 20:53:50 S 11 26 58.097 +18 28 17.08 V C57
2022-03-10 20:53:50 s 1 -179990.60 6 +31346.385 6260.0 C57
2022-03-10 21:03:51 S 11 26 56.921 +18 28 14.66 V C57
2022-03-10 21:03:51 s 1 -179722.29 4 +30466.584 6280.0 C57
2022-03-10 21:13:50 S 11 26 56.347 +18 28 17.15 V C57
2022-03-10 21:13:50 s 1 -179450.71 1 +29586.228 1740.0 C57
2022-03-10 21:23:51 S 11 26 55.454 +18 28 22.91 V C57
2022-03-10 21:23:51 s 1 -179175.84 0 +28705.329 2560.0 C57
2022-03-10 21:33:51 S 11 26 54.367 +18 28 23.59 V C57
2022-03-10 21:33:51 s 1 -178897.66 4 +27823.901 8670.0 C57
2022-03-10 21:43:51 S 11 26 53.602 +18 28 23.95 V C57
2022-03-10 21:43:51 s 1 -178616.16 7 +26941.956 10.0 C57
2022-03-10 21:53:51 S 11 26 52.562 +18 28 26.80 V C57
2022-03-10 21:53:51 s 1 -178331.33 1 +26059.507 6510.0 C57
2022-03-10 22:03:50 S 11 26 51.773 +18 28 28.70 V C57
2022-03-10 22:03:50 s 1 -178043.13 9 +25176.568 8090.0 C57
2022-03-10 22:13:51 S 11 26 50.837 +18 28 31.55 V C57
2022-03-10 22:13:51 s 1 -177751.57 3 +24293.151 4690.0 C57
2022-03-10 22:23:50 S 11 26 49.874 +18 28 31.94 V C57
2022-03-10 22:23:50 s 1 -177456.61 8 +23409.271 6230.0 C57
2022-03-10 22:33:51 S 11 26 48.970 +18 28 36.41 V C57
2022-03-10 22:33:51 s 1 -177158.25 5 +22524.941 2650.0 C57
2022-03-10 22:43:50 S 11 26 48.286 +18 28 42.06 V C57
2022-03-10 22:43:50 s 1 -176856.46 7 +21640.175 3880.0 C57
2022-03-10 22:53:51 S 11 26 47.256 +18 28 42.78 V C57
2022-03-10 22:53:51 s 1 -176551.23 7 +20754.988 9840.0 C57
2022-03-10 23:03:51 S 11 26 46.214 +18 28 42.56 V C57
2022-03-10 23:03:51 s 1 -176242.54 7 +19869.394 460.0 C57
2022-03-10 23:13:51 S 11 26 45.722 +18 28 44.15 V C57
2022-03-10 23:13:51 s 1 -175930.37 9 +18983.408 5670.0 C57
2022-03-10 23:23:51 S 11 26 44.698 +18 28 48.18 V C57
2022-03-10 23:23:51 s 1 -175614.71 6 +18097.044 5400.0 C57
2022-03-10 23:43:51 S 11 26 42.886 +18 28 56.46 V C57
2022-03-10 23:43:51 s 1 -174972.83 3 +16323.246 8120.0 C57
2022-03-10 23:53:50 S 11 26 41.916 +18 28 52.57 V C57
2022-03-10 23:53:50 s 1 -174646.57 7 +15435.843 980.0 C57
2022-03-11 00:13:50 S 11 26 40.049 +18 29 00.49 V C57
2022-03-11 00:13:50 s 1 -173983.34 7 +13660.105 9290.0 C57
2022-03-11 09:21:05 C 11 25 54.98 +18 31 14.5 V T05
2022-03-11 09:25:07 C 11 25 54.63 +18 31 15.4 V T05
2022-03-11 09:30:26 C 11 25 54.17 +18 31 16.4 V T05
2022-03-11 09:44:53 C 11 25 52.94 +18 31 19.6 V T05
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)