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
2022-03-08 16:03:51 S 11 31 39.890 +18 16 08.22 V C57
2022-03-08 16:03:51 s 1 -161380.06 7 +256207.67 3190.0 C57
2022-03-08 16:13:51 S 11 31 38.748 +18 16 05.70 V C57
2022-03-08 16:13:51 s 1 -161638.63 3 +255690.41 5230.0 C57
2022-03-08 16:33:51 S 11 31 37.301 +18 16 11.14 V C57
2022-03-08 16:33:51 s 1 -162153.49 5 +254652.28 7940.0 C57
2022-03-08 17:03:51 S 11 31 34.435 +18 16 18.48 V C57
2022-03-08 17:03:51 s 1 -162920.06 3 +253086.04 8360.0 C57
2022-03-08 17:13:51 S 11 31 33.924 +18 16 20.39 V C57
2022-03-08 17:13:51 s 1 -163174.04 6 +252561.54 7470.0 C57
2022-03-08 17:23:51 S 11 31 32.815 +18 16 24.10 V C57
2022-03-08 17:23:51 s 1 -163427.25 5 +252035.84 2710.0 C57
2022-03-08 17:33:51 S 11 31 31.944 +18 16 28.60 V C57
2022-03-08 17:33:51 s 1 -163679.68 6 +251508.92 4070.0 C57
2022-03-08 17:43:51 S 11 31 31.097 +18 16 31.94 V C57
2022-03-08 17:43:51 s 1 -163931.33 5 +250980.80 1530.0 C57
2022-03-08 17:53:51 S 11 31 30.065 +18 16 32.09 V C57
2022-03-08 17:53:51 s 1 -164182.19 9 +250451.46 5080.0 C57
2022-03-08 18:03:51 S 11 31 29.369 +18 16 34.93 V C57
2022-03-08 18:03:51 s 1 -164432.27 6 +249920.92 4690.0 C57
2022-03-08 18:13:51 S 11 31 28.582 +18 16 36.98 V C57
2022-03-08 18:13:51 s 1 -164681.56 1 +249389.16 370.0 C57
2022-03-08 18:23:51 S 11 31 27.538 +18 16 37.67 V C57
2022-03-08 18:23:51 s 1 -164930.05 2 +248856.19 2090.0 C57
2022-03-08 18:33:51 S 11 31 26.621 +18 16 38.78 V C57
2022-03-08 18:33:51 s 1 -165177.74 5 +248322.01 9830.0 C57
2022-03-08 18:43:51 S 11 31 25.846 +18 16 42.82 V C57
2022-03-08 18:43:51 s 1 -165424.63 7 +247786.61 3590.0 C57
2022-03-08 18:53:51 S 11 31 24.806 +18 16 46.85 V C57
2022-03-08 18:53:51 s 1 -165670.72 4 +247250.00 3340.0 C57
2022-03-08 19:03:51 S 11 31 24.072 +18 16 47.35 V C57
2022-03-08 19:03:51 s 1 -165916.00 3 +246712.17 9080.0 C57
2022-03-08 19:13:51 S 11 31 23.215 +18 16 50.84 V C57
2022-03-08 19:13:51 s 1 -166160.47 1 +246173.13 790.0 C57
2022-03-08 19:23:51 S 11 31 22.490 +18 16 52.82 V C57
2022-03-08 19:23:51 s 1 -166404.12 5 +245632.88 8450.0 C57
2022-03-08 19:33:51 S 11 31 21.365 +18 16 54.73 V C57
2022-03-08 19:33:51 s 1 -166646.96 0 +245091.41 2050.0 C57
2022-03-08 19:43:51 S 11 31 20.573 +18 16 57.50 V C57
2022-03-08 19:43:51 s 1 -166888.97 4 +244548.72 1560.0 C57
2022-03-08 19:53:51 S 11 31 19.795 +18 16 58.84 V C57
2022-03-08 19:53:51 s 1 -167130.16 2 +244004.81 6990.0 C57
2022-03-08 20:03:51 S 11 31 18.794 +18 17 02.36 V C57
2022-03-08 20:03:51 s 1 -167370.52 3 +243459.69 8310.0 C57
2022-03-08 20:13:51 S 11 31 18.077 +18 17 07.33 V C57
2022-03-08 20:13:51 s 1 -167610.05 1 +242913.35 5510.0 C57
2022-03-08 20:23:51 S 11 31 16.958 +18 17 05.10 V C57
2022-03-08 20:23:51 s 1 -167848.74 4 +242365.78 8560.0 C57
2022-03-08 20:43:51 S 11 31 15.343 +18 17 09.46 V C57
2022-03-08 20:43:51 s 1 -168323.61 0 +241267.00 2200.0 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)