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
2022-03-09 13:23:51 S 11 29 47.362 +18 21 08.96 V C57
2022-03-09 13:23:51 s 1 -187086.79 0 +180022.23 9860.0 C57
2022-03-09 13:33:51 S 11 29 46.553 +18 21 07.78 V C57
2022-03-09 13:33:51 s 1 -187217.28 6 +179346.72 8650.0 C57
2022-03-09 13:53:51 S 11 29 44.534 +18 21 06.88 V C57
2022-03-09 13:53:51 s 1 -187474.35 3 +177991.92 7570.0 C57
2022-03-09 14:43:51 S 11 29 40.478 +18 21 21.96 V C57
2022-03-09 14:43:51 s 1 -188093.86 2 +174582.98 4770.0 C57
2022-03-09 14:53:51 S 11 29 39.542 +18 21 24.55 V C57
2022-03-09 14:53:51 s 1 -188213.74 6 +173897.43 3130.0 C57
2022-03-09 15:13:51 S 11 29 37.565 +18 21 30.92 V C57
2022-03-09 15:13:51 s 1 -188449.44 7 +172522.56 550.0 C57
2022-03-09 15:23:51 S 11 29 36.634 +18 21 32.98 V C57
2022-03-09 15:23:51 s 1 -188565.25 2 +171833.24 9550.0 C57
2022-03-09 15:33:51 S 11 29 35.700 +18 21 36.22 V C57
2022-03-09 15:33:51 s 1 -188679.68 6 +171142.67 2060.0 C57
2022-03-09 15:43:51 S 11 29 34.961 +18 21 38.12 V C57
2022-03-09 15:43:51 s 1 -188792.74 1 +170450.85 8040.0 C57
2022-03-09 15:53:51 S 11 29 33.989 +18 21 41.11 V C57
2022-03-09 15:53:51 s 1 -188904.41 3 +169757.77 7450.0 C57
2022-03-09 16:03:51 S 11 29 33.281 +18 21 42.59 V C57
2022-03-09 16:03:51 s 1 -189014.69 4 +169063.44 290.0 C57
2022-03-09 16:13:51 S 11 29 32.323 +18 21 45.90 V C57
2022-03-09 16:13:51 s 1 -189123.57 8 +168367.85 6510.0 C57
2022-03-09 16:23:51 S 11 29 31.404 +18 21 47.99 V C57
2022-03-09 16:23:51 s 1 -189231.06 0 +167671.02 6090.0 C57
2022-03-09 16:33:51 S 11 29 30.650 +18 21 46.94 V C57
2022-03-09 16:33:51 s 1 -189337.13 2 +166972.93 9010.0 C57
2022-03-09 16:43:51 S 11 29 29.522 +18 21 52.09 V C57
2022-03-09 16:43:51 s 1 -189441.78 8 +166273.59 5230.0 C57
2022-03-09 16:53:51 S 11 29 28.752 +18 21 54.00 V C57
2022-03-09 16:53:51 s 1 -189545.02 2 +165572.99 4720.0 C57
2022-03-09 17:03:51 S 11 29 27.890 +18 21 56.56 V C57
2022-03-09 17:03:51 s 1 -189646.82 7 +164871.15 7470.0 C57
2022-03-09 17:13:51 S 11 29 26.849 +18 22 02.14 V C57
2022-03-09 17:13:51 s 1 -189747.19 8 +164168.05 3430.0 C57
2022-03-09 17:23:51 S 11 29 26.076 +18 22 04.01 V C57
2022-03-09 17:23:51 s 1 -189846.12 6 +163463.70 2580.0 C57
2022-03-09 17:33:51 S 11 29 25.236 +18 22 03.18 V C57
2022-03-09 17:33:51 s 1 -189943.60 6 +162758.10 4900.0 C57
2022-03-09 17:43:51 S 11 29 24.250 +18 22 05.52 V C57
2022-03-09 17:43:51 s 1 -190039.63 2 +162051.26 350.0 C57
2022-03-09 17:53:51 S 11 29 23.455 +18 22 07.28 V C57
2022-03-09 17:53:51 s 1 -190134.19 6 +161343.16 8910.0 C57
2022-03-09 18:03:51 S 11 29 22.488 +18 22 09.88 V C57
2022-03-09 18:03:51 s 1 -190227.29 1 +160633.81 540.0 C57
2022-03-09 18:13:51 S 11 29 21.629 +18 22 14.34 V C57
2022-03-09 18:13:51 s 1 -190318.91 2 +159923.21 5220.0 C57
2022-03-09 18:23:51 S 11 29 20.822 +18 22 14.63 V C57
2022-03-09 18:23:51 s 1 -190409.05 1 +159211.37 2920.0 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)