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
2022-03-19 19:43:50 S 11 09 20.050 +19 04 54.62 V C57
2022-03-19 19:43:50 s 1 +15019.908 0 +375610.37 7630.0 C57
2022-03-19 19:53:50 S 11 09 19.186 +19 04 49.69 V C57
2022-03-19 19:53:50 s 1 +14628.785 0 +375602.94 2930.0 C57
2022-03-19 20:03:50 S 11 09 18.473 +19 04 55.31 V C57
2022-03-19 20:03:50 s 1 +14237.632 0 +375594.49 7980.0 C57
2022-03-19 20:13:50 S 11 09 17.599 +19 04 54.59 V C57
2022-03-19 20:13:50 s 1 +13846.450 0 +375585.01 2790.0 C57
2022-03-19 20:23:50 S 11 09 16.668 +19 04 56.50 V C57
2022-03-19 20:23:50 s 1 +13455.240 0 +375574.52 7350.0 C57
2022-03-19 20:33:50 S 11 09 15.929 +19 04 56.60 V C57
2022-03-19 20:33:50 s 1 +13064.002 0 +375563.01 1640.0 C57
2022-03-19 20:43:50 S 11 09 15.036 +19 05 02.15 V C57
2022-03-19 20:43:50 s 1 +12672.738 0 +375550.48 5680.0 C57
2022-03-19 20:53:50 S 11 09 14.302 +19 04 59.95 V C57
2022-03-19 20:53:50 s 1 +12281.449 0 +375536.93 9450.0 C57
2022-03-19 21:03:50 S 11 09 13.217 +19 05 03.73 V C57
2022-03-19 21:03:50 s 1 +11890.136 0 +375522.36 2950.0 C57
2022-03-19 21:33:50 S 11 09 10.764 +19 05 04.49 V C57
2022-03-19 21:33:50 s 1 +10716.063 0 +375472.52 1770.0 C57
2022-03-19 21:43:50 S 11 09 10.090 +19 05 05.10 V C57
2022-03-19 21:43:50 s 1 +10324.664 0 +375453.87 4140.0 C57
2022-03-19 22:03:50 S 11 09 08.270 +19 05 06.72 V C57
2022-03-19 22:13:50 S 11 09 07.450 +19 05 10.28 V C57
2022-03-19 23:33:50 S 11 09 00.749 +19 05 16.40 V C57
2022-03-19 23:43:50 S 11 08 59.993 +19 05 15.32 V C57
2022-03-19 23:53:50 S 11 08 58.903 +19 05 24.22 V C57
2022-03-20 00:03:50 S 11 08 58.390 +19 05 21.05 V C57
2022-03-20 00:13:50 S 11 08 57.691 +19 05 24.22 V C57
2022-03-20 00:23:50 S 11 08 56.314 +19 05 21.26 V C57
2022-03-20 00:33:50 S 11 08 55.555 +19 05 25.08 V C57
2022-03-20 00:43:50 S 11 08 54.744 +19 05 25.69 V C57
2022-03-20 00:53:50 S 11 08 53.688 +19 05 26.34 V C57
2022-03-20 01:03:50 S 11 08 53.273 +19 05 29.33 V C57
2022-03-20 01:13:50 S 11 08 52.387 +19 05 29.18 V C57
2022-03-20 01:23:50 S 11 08 51.617 +19 05 30.08 V C57
2022-03-20 01:33:50 S 11 08 50.582 +19 05 35.38 V C57
2022-03-20 01:43:50 S 11 08 49.742 +19 05 31.99 V C57
2022-03-20 01:53:50 S 11 08 48.950 +19 05 33.36 V C57
2022-03-20 02:03:50 S 11 08 48.230 +19 05 35.45 V C57
2022-03-20 02:13:50 S 11 08 47.446 +19 05 35.66 V C57
2022-03-20 02:33:50 S 11 08 45.802 +19 05 36.89 V C57
2022-03-20 02:43:50 S 11 08 44.832 +19 05 39.48 V C57
2022-03-20 02:53:50 S 11 08 44.222 +19 05 41.60 V C57
2022-03-20 03:03:50 S 11 08 42.936 +19 05 36.71 V C57
2022-03-20 03:43:50 S 11 08 39.684 +19 05 46.14 V C57
2022-03-20 04:03:50 S 11 08 38.119 +19 05 51.00 V C57
2022-03-20 04:13:50 S 11 08 37.226 +19 05 46.97 V C57
2022-03-20 04:23:50 S 11 08 36.305 +19 05 48.12 V C57
2022-03-20 04:33:50 S 11 08 35.798 +19 05 49.06 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)