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
2022-03-05 04:53:51 S 11 38 37.882 +17 55 03.07 V C57
2022-03-05 04:53:51 s 1 +17589.649 0 +374641.42 4600.0 C57
2022-03-05 05:03:51 S 11 38 37.092 +17 55 05.92 V C57
2022-03-05 05:03:51 s 1 +17194.676 0 +374668.16 610.0 C57
2022-03-05 05:13:51 S 11 38 36.288 +17 55 08.15 V C57
2022-03-05 05:13:51 s 1 +16799.648 0 +374693.88 6450.0 C57
2022-03-05 05:23:51 S 11 38 35.314 +17 55 10.74 V C57
2022-03-05 05:23:51 s 1 +16404.567 0 +374718.56 2130.0 C57
2022-03-05 05:33:51 S 11 38 34.692 +17 55 11.03 V C57
2022-03-05 05:33:51 s 1 +16009.433 0 +374742.21 7620.0 C57
2022-03-05 05:43:51 S 11 38 33.727 +17 55 14.77 V C57
2022-03-05 05:43:51 s 1 +15614.247 0 +374764.82 2940.0 C57
2022-03-05 05:53:51 S 11 38 32.789 +17 55 18.73 V C57
2022-03-05 05:53:51 s 1 +15219.011 0 +374786.41 8080.0 C57
2022-03-05 06:03:51 S 11 38 32.172 +17 55 19.60 V C57
2022-03-05 06:03:51 s 1 +14823.726 0 +374806.96 3030.0 C57
2022-03-05 06:13:51 S 11 38 31.490 +17 55 24.74 V C57
2022-03-05 06:13:51 s 1 +14428.393 0 +374826.48 7780.0 C57
2022-03-05 06:23:51 S 11 38 30.806 +17 55 28.20 V C57
2022-03-05 06:23:51 s 1 +14033.012 0 +374844.97 2330.0 C57
2022-03-05 06:53:51 S 11 38 28.435 +17 55 33.53 V C57
2022-03-05 06:53:51 s 1 +12846.599 0 +374894.25 4760.0 C57
2022-03-05 07:03:51 S 11 38 27.293 +17 55 37.78 V C57
2022-03-05 07:03:51 s 1 +12451.041 0 +374908.62 8470.0 C57
2022-03-05 07:23:51 S 11 38 25.486 +17 55 46.02 V C57
2022-03-05 07:23:51 s 1 +11659.800 0 +374934.25 5220.0 C57
2022-03-05 07:43:51 S 11 38 24.036 +17 55 47.89 V C57
2022-03-05 07:43:51 s 1 +10868.402 0 +374955.76 1040.0 C57
2022-03-05 07:53:51 S 11 38 23.131 +17 55 49.08 V C57
2022-03-05 07:53:51 s 1 +10472.646 0 +374964.96 3590.0 C57
2022-03-05 08:03:51 S 11 38 22.603 +17 55 51.56 V C57
2022-03-05 08:03:51 s 1 +10076.854 0 +374973.13 5890.0 C57
2022-03-05 08:13:51 S 11 38 21.718 +17 55 55.56 V C57
2022-03-05 08:23:51 S 11 38 20.654 +17 55 59.48 V C57
2022-03-05 08:33:51 S 11 38 20.222 +17 55 59.88 V C57
2022-03-05 08:43:51 C 11 37 51.43 +17 56 02.8 V 703
2022-03-05 08:43:51 S 11 38 19.363 +17 56 01.64 V C57
2022-03-05 08:49:07 C 11 37 50.99 +17 56 03.9 V 703
2022-03-05 08:53:51 S 11 38 18.526 +17 56 06.50 V C57
2022-03-05 08:54:24 C 11 37 50.55 +17 56 05.5 V 703
2022-03-05 08:59:40 C 11 37 50.11 +17 56 07.2 V 703
2022-03-05 09:03:51 S 11 38 17.717 +17 56 10.50 V C57
2022-03-05 09:13:51 S 11 38 16.894 +17 56 10.64 V C57
2022-03-05 09:23:51 S 11 38 15.900 +17 56 12.08 V C57
2022-03-05 09:33:51 S 11 38 15.228 +17 56 15.65 V C57
2022-03-05 09:43:51 S 11 38 14.450 +17 56 17.66 V C57
2022-03-05 09:55:47 C 11 37 45.83 +17 56 23.5 V T08
2022-03-05 09:58:24 C 11 37 45.62 +17 56 24.4 V T08
2022-03-05 10:02:21 C 11 37 45.28 +17 56 25.4 V T08
2022-03-05 10:03:51 S 11 38 12.850 +17 56 25.12 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)