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
2022-03-02 12:52:08 C 11 43 13.62 +17 37 06.5 V T08
2022-03-02 13:03:51 S 11 43 35.004 +17 37 26.94 V C57
2022-03-02 13:03:51 s 1 +153572.15 4 +287028.79 4210.0 C57
2022-03-02 13:13:51 S 11 43 34.157 +17 37 28.85 V C57
2022-03-02 13:13:51 s 1 +153291.34 5 +287466.02 7380.0 C57
2022-03-02 13:23:51 S 11 43 33.254 +17 37 30.50 V C57
2022-03-02 13:23:51 s 1 +153009.91 9 +287902.09 8240.0 C57
2022-03-02 13:33:51 S 11 43 32.424 +17 37 35.94 V C57
2022-03-02 13:33:51 s 1 +152727.89 1 +288337.03 6840.0 C57
2022-03-02 13:43:51 S 11 43 31.961 +17 37 35.69 V C57
2022-03-02 13:43:51 s 1 +152445.24 5 +288770.81 3120.0 C57
2022-03-02 16:43:51 S 11 43 18.350 +17 38 27.60 V C57
2022-03-02 16:43:51 s 1 +147255.93 3 +296383.31 7130.0 C57
2022-03-02 16:53:51 S 11 43 17.515 +17 38 32.14 V C57
2022-03-02 16:53:51 s 1 +146962.12 5 +296795.38 1890.0 C57
2022-03-02 17:03:51 S 11 43 16.910 +17 38 32.32 V C57
2022-03-02 17:03:51 s 1 +146667.76 2 +297206.34 4600.0 C57
2022-03-02 17:13:51 S 11 43 15.986 +17 38 38.22 V C57
2022-03-02 17:13:51 s 1 +146372.82 8 +297616.15 5210.0 C57
2022-03-02 17:23:51 S 11 43 15.446 +17 38 40.16 V C57
2022-03-02 17:23:51 s 1 +146077.33 0 +298024.82 3730.0 C57
2022-03-02 17:33:51 S 11 43 14.412 +17 38 43.69 V C57
2022-03-02 17:33:51 s 1 +145781.28 5 +298432.38 240.0 C57
2022-03-02 17:43:51 S 11 43 13.687 +17 38 43.98 V C57
2022-03-02 17:43:51 s 1 +145484.67 4 +298838.78 4670.0 C57
2022-03-02 17:53:51 S 11 43 13.212 +17 38 48.59 V C57
2022-03-02 17:53:51 s 1 +145187.50 7 +299244.05 7040.0 C57
2022-03-02 18:03:51 S 11 43 12.463 +17 38 49.60 V C57
2022-03-02 18:03:51 s 1 +144889.79 7 +299648.20 7430.0 C57
2022-03-02 20:23:51 S 11 43 01.656 +17 39 31.68 V C57
2022-03-02 20:23:51 s 1 +140664.94 4 +305187.52 4290.0 C57
2022-03-02 20:43:51 S 11 43 00.206 +17 39 36.18 V C57
2022-03-02 20:43:51 s 1 +140052.92 5 +305960.82 4390.0 C57
2022-03-02 21:13:51 S 11 42 57.910 +17 39 41.44 V C57
2022-03-02 21:13:51 s 1 +139131.01 5 +307112.35 450.0 C57
2022-03-02 23:03:51 S 11 42 49.747 +17 40 11.71 V C57
2022-03-02 23:03:51 s 1 +135711.69 6 +311248.29 8520.0 C57
2022-03-03 00:13:51 S 11 42 44.256 +17 40 39.97 V C57
2022-03-03 00:13:51 s 1 +133504.72 2 +313809.85 4900.0 C57
2022-03-03 00:33:51 S 11 42 42.984 +17 40 41.34 V C57
2022-03-03 00:33:51 s 1 +132869.84 0 +314531.71 2740.0 C57
2022-03-03 00:43:51 S 11 42 42.060 +17 40 42.78 V C57
2022-03-03 00:43:51 s 1 +132551.68 6 +314890.97 9110.0 C57
2022-03-03 01:03:51 S 11 42 40.723 +17 40 49.91 V C57
2022-03-03 01:03:51 s 1 +131913.97 0 +315606.15 6870.0 C57
2022-03-03 01:13:51 S 11 42 39.835 +17 40 51.31 V C57
2022-03-03 01:13:51 s 1 +131594.40 7 +315962.07 8250.0 C57
2022-03-03 01:23:51 S 11 42 39.084 +17 40 57.32 V C57
2022-03-03 01:23:51 s 1 +131274.37 6 +316316.88 7970.0 C57
2022-03-03 01:33:51 S 11 42 38.374 +17 41 01.64 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)