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 01:33:51 s 1 +130953.89 0 +316670.60 6070.0 C57
2022-03-03 01:43:51 S 11 42 37.738 +17 40 59.84 V C57
2022-03-03 01:43:51 s 1 +130632.93 6 +317023.19 2520.0 C57
2022-03-03 01:53:51 S 11 42 36.722 +17 41 05.10 V C57
2022-03-03 01:53:51 s 1 +130311.51 8 +317374.67 7340.0 C57
2022-03-03 02:03:51 S 11 42 35.887 +17 41 09.24 V C57
2022-03-03 02:03:51 s 1 +129989.65 1 +317725.06 560.0 C57
2022-03-03 02:13:51 S 11 42 35.261 +17 41 09.78 V C57
2022-03-03 02:13:51 s 1 +129667.32 1 +318074.33 2150.0 C57
2022-03-03 02:23:51 S 11 42 34.918 +17 41 09.31 V C57
2022-03-03 02:23:51 s 1 +129344.53 3 +318422.49 2130.0 C57
2022-03-03 02:43:51 S 11 42 33.209 +17 41 16.01 V C57
2022-03-03 02:43:51 s 1 +128697.61 1 +319115.51 7340.0 C57
2022-03-03 03:03:51 S 11 42 31.438 +17 41 24.61 V C57
2022-03-03 03:03:51 s 1 +128048.88 9 +319804.10 6230.0 C57
2022-03-03 03:13:51 S 11 42 30.816 +17 41 25.62 V C57
2022-03-03 03:13:51 s 1 +127723.85 6 +320146.73 8320.0 C57
2022-03-03 03:33:51 S 11 42 29.316 +17 41 31.63 V C57
2022-03-03 03:33:51 s 1 +127072.46 2 +320828.70 7840.0 C57
2022-03-03 03:43:51 S 11 42 28.843 +17 41 31.92 V C57
2022-03-03 03:43:51 s 1 +126746.10 2 +321168.02 5280.0 C57
2022-03-03 04:23:51 S 11 42 25.392 +17 41 44.38 V C57
2022-03-03 04:23:51 s 1 +125436.28 8 +322514.29 9790.0 C57
2022-03-03 04:33:51 S 11 42 24.715 +17 41 45.49 V C57
2022-03-03 04:33:51 s 1 +125107.75 6 +322848.12 9660.0 C57
2022-03-03 04:43:51 S 11 42 24.024 +17 41 49.52 V C57
2022-03-03 04:43:51 s 1 +124778.78 7 +323180.83 8020.0 C57
2022-03-03 04:53:51 S 11 42 23.153 +17 41 53.77 V C57
2022-03-03 04:53:51 s 1 +124449.38 8 +323512.44 4880.0 C57
2022-03-03 05:03:51 S 11 42 22.596 +17 41 54.35 V C57
2022-03-03 05:03:51 s 1 +124119.57 0 +323842.97 280.0 C57
2022-03-03 05:23:51 S 11 42 21.086 +17 42 04.43 V C57
2022-03-03 05:23:51 s 1 +123458.64 5 +324500.69 6640.0 C57
2022-03-03 05:33:51 S 11 42 20.203 +17 42 04.46 V C57
2022-03-03 05:33:51 s 1 +123127.55 7 +324827.93 7650.0 C57
2022-03-03 05:43:51 S 11 42 19.387 +17 42 09.79 V C57
2022-03-03 05:43:51 s 1 +122796.04 2 +325154.04 7190.0 C57
2022-03-03 05:53:51 S 11 42 18.679 +17 42 13.57 V C57
2022-03-03 05:53:51 s 1 +122464.10 7 +325479.06 5280.0 C57
2022-03-03 06:03:51 S 11 42 17.779 +17 42 11.27 V C57
2022-03-03 06:03:51 s 1 +122131.76 3 +325803.00 1960.0 C57
2022-03-03 06:13:51 S 11 42 16.927 +17 42 18.90 V C57
2022-03-03 06:13:51 s 1 +121798.99 8 +326125.83 7200.0 C57
2022-03-03 06:23:51 S 11 42 16.466 +17 42 16.63 V C57
2022-03-03 06:23:51 s 1 +121465.81 8 +326447.56 1000.0 C57
2022-03-03 06:33:51 S 11 42 15.823 +17 42 22.18 V C57
2022-03-03 06:33:51 s 1 +121132.23 4 +326768.21 3420.0 C57
2022-03-03 06:43:51 S 11 42 14.928 +17 42 24.59 V C57
2022-03-03 06:43:51 s 1 +120798.23 5 +327087.75 4420.0 C57
2022-03-03 06:53:51 S 11 42 14.066 +17 42 28.22 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)