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
2022-03-07 20:03:51 S 11 33 23.328 +18 11 15.29 V C57
2022-03-07 20:03:51 s 1 -125690.24 3 +309706.26 1370.0 C57
2022-03-07 20:13:51 S 11 33 22.442 +18 11 13.67 V C57
2022-03-07 20:13:51 s 1 -126019.94 3 +309329.29 500.0 C57
2022-03-07 20:23:51 S 11 33 21.511 +18 11 17.63 V C57
2022-03-07 20:23:51 s 1 -126349.18 8 +308951.18 7190.0 C57
2022-03-07 20:33:51 S 11 33 20.664 +18 11 22.27 V C57
2022-03-07 20:33:51 s 1 -126677.97 6 +308571.93 1430.0 C57
2022-03-07 20:43:51 S 11 33 19.966 +18 11 22.16 V C57
2022-03-07 20:43:51 s 1 -127006.30 5 +308191.55 3210.0 C57
2022-03-07 20:53:51 S 11 33 18.936 +18 11 28.14 V C57
2022-03-07 20:53:51 s 1 -127334.17 3 +307810.04 2510.0 C57
2022-03-07 21:03:51 S 11 33 18.146 +18 11 29.18 V C57
2022-03-07 21:03:51 s 1 -127661.57 7 +307427.38 9330.0 C57
2022-03-07 21:13:51 S 11 33 17.422 +18 11 31.42 V C57
2022-03-07 21:13:51 s 1 -127988.51 7 +307043.59 3670.0 C57
2022-03-07 21:23:51 S 11 33 16.440 +18 11 33.40 V C57
2022-03-07 21:23:51 s 1 -128314.99 0 +306658.67 5510.0 C57
2022-03-07 21:33:51 S 11 33 15.667 +18 11 37.18 V C57
2022-03-07 21:33:51 s 1 -128640.99 3 +306272.60 4840.0 C57
2022-03-07 21:43:51 S 11 33 14.623 +18 11 40.09 V C57
2022-03-07 21:43:51 s 1 -128966.52 6 +305885.39 1650.0 C57
2022-03-07 21:53:51 S 11 33 13.884 +18 11 41.71 V C57
2022-03-07 21:53:51 s 1 -129291.58 5 +305497.05 5940.0 C57
2022-03-07 22:03:51 S 11 33 13.229 +18 11 43.15 V C57
2022-03-07 22:03:51 s 1 -129616.16 8 +305107.56 7690.0 C57
2022-03-07 22:13:51 S 11 33 12.226 +18 11 45.02 V C57
2022-03-07 22:13:51 s 1 -129940.27 5 +304716.94 6890.0 C57
2022-03-07 22:23:51 S 11 33 11.330 +18 11 45.64 V C57
2022-03-07 22:23:51 s 1 -130263.90 1 +304325.17 3550.0 C57
2022-03-07 22:33:51 S 11 33 10.733 +18 11 54.06 V C57
2022-03-07 22:33:51 s 1 -130587.04 7 +303932.26 7640.0 C57
2022-03-07 22:43:51 S 11 33 09.578 +18 11 50.32 V C57
2022-03-07 22:43:51 s 1 -130909.70 8 +303538.21 9160.0 C57
2022-03-07 22:53:51 S 11 33 08.645 +18 11 55.43 V C57
2022-03-07 22:53:51 s 1 -131231.88 4 +303143.02 8090.0 C57
2022-03-07 23:03:51 S 11 33 07.973 +18 11 57.05 V C57
2022-03-07 23:03:51 s 1 -131553.57 2 +302746.68 4440.0 C57
2022-03-07 23:13:51 S 11 33 06.919 +18 12 01.55 V C57
2022-03-07 23:13:51 s 1 -131874.77 0 +302349.20 8190.0 C57
2022-03-07 23:23:51 S 11 33 06.542 +18 12 02.99 V C57
2022-03-07 23:23:51 s 1 -132195.47 6 +301950.57 9320.0 C57
2022-03-07 23:33:51 S 11 33 05.311 +18 12 01.51 V C57
2022-03-07 23:33:51 s 1 -132515.68 7 +301550.80 7840.0 C57
2022-03-08 00:43:51 S 11 32 59.266 +18 12 24.19 V C57
2022-03-08 00:43:51 s 1 -134743.14 9 +298720.29 3290.0 C57
2022-03-08 01:03:51 S 11 32 57.562 +18 12 29.45 V C57
2022-03-08 01:03:51 s 1 -135374.99 5 +297901.24 5010.0 C57
2022-03-08 01:13:51 S 11 32 56.791 +18 12 31.18 V C57
2022-03-08 01:13:51 s 1 -135690.14 5 +297489.98 6800.0 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)