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
2022-03-18 17:13:50 S 11 11 32.702 +19 01 45.12 V C57
2022-03-18 17:13:50 s 1 +76108.146 0 +363864.57 2810.0 C57
2022-03-18 17:23:50 S 11 11 32.450 +19 01 51.60 V C57
2022-03-18 17:23:50 s 1 +75735.240 0 +364018.76 8560.0 C57
2022-03-18 17:33:50 S 11 11 31.078 +19 01 50.92 V C57
2022-03-18 17:33:50 s 1 +75362.134 0 +364171.93 3810.0 C57
2022-03-18 17:43:50 S 11 11 30.266 +19 01 51.60 V C57
2022-03-18 17:43:50 s 1 +74988.828 0 +364324.08 8540.0 C57
2022-03-18 17:53:50 S 11 11 29.777 +19 01 52.50 V C57
2022-03-18 17:53:50 s 1 +74615.324 0 +364475.21 2780.0 C57
2022-03-18 18:03:50 S 11 11 28.742 +19 01 54.41 V C57
2022-03-18 18:03:50 s 1 +74241.623 0 +364625.33 6510.0 C57
2022-03-18 18:13:50 S 11 11 27.734 +19 01 55.96 V C57
2022-03-18 18:13:50 s 1 +73867.727 0 +364774.42 9760.0 C57
2022-03-18 18:23:50 S 11 11 27.245 +19 01 58.04 V C57
2022-03-18 18:23:50 s 1 +73493.635 0 +364922.49 2520.0 C57
2022-03-18 18:33:50 S 11 11 26.422 +19 01 57.14 V C57
2022-03-18 18:33:50 s 1 +73119.350 0 +365069.55 4800.0 C57
2022-03-18 18:43:50 S 11 11 25.505 +19 02 02.15 V C57
2022-03-18 18:43:50 s 1 +72744.872 0 +365215.58 6600.0 C57
2022-03-18 18:53:50 S 11 11 24.598 +19 01 59.34 V C57
2022-03-18 18:53:50 s 1 +72370.203 0 +365360.60 7930.0 C57
2022-03-18 19:13:50 S 11 11 22.934 +19 02 00.56 V C57
2022-03-18 19:13:50 s 1 +71620.294 0 +365647.57 9200.0 C57
2022-03-18 19:23:50 S 11 11 22.164 +19 02 03.52 V C57
2022-03-18 19:23:50 s 1 +71245.058 0 +365789.53 9140.0 C57
2022-03-18 19:33:50 S 11 11 21.204 +19 02 02.87 V C57
2022-03-18 19:33:50 s 1 +70869.634 0 +365930.47 8640.0 C57
2022-03-18 19:43:50 S 11 11 20.849 +19 02 03.08 V C57
2022-03-18 19:43:50 s 1 +70494.025 0 +366070.39 7690.0 C57
2022-03-18 19:53:50 S 11 11 19.594 +19 02 05.39 V C57
2022-03-18 19:53:50 s 1 +70118.231 0 +366209.29 6290.0 C57
2022-03-18 20:03:50 S 11 11 18.912 +19 02 13.24 V C57
2022-03-18 20:03:50 s 1 +69742.254 0 +366347.18 4460.0 C57
2022-03-18 22:13:50 S 11 11 07.762 +19 02 23.28 V C57
2022-03-18 22:13:50 s 1 +64838.359 0 +368047.04 3130.0 C57
2022-03-18 22:33:50 S 11 11 06.449 +19 02 27.10 V C57
2022-03-18 22:33:50 s 1 +64081.335 0 +368293.29 7900.0 C57
2022-03-18 22:43:50 S 11 11 05.429 +19 02 27.28 V C57
2022-03-18 22:43:50 s 1 +63702.573 0 +368414.89 9740.0 C57
2022-03-18 23:03:50 S 11 11 03.866 +19 02 30.91 V C57
2022-03-18 23:03:50 s 1 +62944.558 0 +368655.05 2370.0 C57
2022-03-18 23:13:50 S 11 11 02.902 +19 02 31.27 V C57
2022-03-18 23:13:50 s 1 +62565.306 0 +368773.60 3170.0 C57
2022-03-18 23:23:50 S 11 11 02.088 +19 02 36.74 V C57
2022-03-18 23:23:50 s 1 +62185.893 0 +368891.13 3630.0 C57
2022-03-18 23:33:50 S 11 11 01.284 +19 02 33.07 V C57
2022-03-18 23:33:50 s 1 +61806.320 0 +369007.65 3750.0 C57
2022-03-18 23:43:50 S 11 11 00.439 +19 02 33.32 V C57
2022-03-18 23:43:50 s 1 +61426.587 0 +369123.15 3540.0 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)