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
2022-03-19 00:03:50 S 11 10 58.630 +19 02 34.73 V C57
2022-03-19 00:03:50 s 1 +60666.650 0 +369351.10 2160.0 C57
2022-03-19 00:23:50 S 11 10 57.542 +19 02 39.52 V C57
2022-03-19 00:23:50 s 1 +59906.089 0 +369574.99 9520.0 C57
2022-03-19 00:33:50 S 11 10 56.587 +19 02 38.26 V C57
2022-03-19 00:33:50 s 1 +59525.578 0 +369685.41 7730.0 C57
2022-03-19 00:53:50 S 11 10 54.449 +19 02 48.08 V C57
2022-03-19 00:53:50 s 1 +58764.099 0 +369903.20 3270.0 C57
2022-03-19 01:03:50 S 11 10 53.897 +19 02 44.70 V C57
2022-03-19 01:03:50 s 1 +58383.133 0 +370010.57 600.0 C57
2022-03-19 01:13:50 S 11 10 53.184 +19 02 43.58 V C57
2022-03-19 01:13:50 s 1 +58002.018 0 +370116.93 7640.0 C57
2022-03-19 01:43:50 S 11 10 50.362 +19 02 46.43 V C57
2022-03-19 01:43:50 s 1 +56857.789 0 +370429.90 7100.0 C57
2022-03-19 01:53:50 S 11 10 49.884 +19 02 51.22 V C57
2022-03-19 01:53:50 s 1 +56476.088 0 +370532.19 3040.0 C57
2022-03-19 02:03:50 S 11 10 48.754 +19 02 47.98 V C57
2022-03-19 02:03:50 s 1 +56094.243 0 +370633.47 8720.0 C57
2022-03-19 02:13:50 S 11 10 47.846 +19 02 52.69 V C57
2022-03-19 02:13:50 s 1 +55712.256 0 +370733.73 4140.0 C57
2022-03-19 02:23:50 S 11 10 47.107 +19 02 56.00 V C57
2022-03-19 02:23:50 s 1 +55330.126 0 +370832.97 9310.0 C57
2022-03-19 02:33:50 S 11 10 46.373 +19 02 53.63 V C57
2022-03-19 02:33:50 s 1 +54947.856 0 +370931.20 4240.0 C57
2022-03-19 02:43:50 S 11 10 45.602 +19 02 57.44 V C57
2022-03-19 02:43:50 s 1 +54565.447 0 +371028.41 8920.0 C57
2022-03-19 02:53:50 S 11 10 44.520 +19 02 55.90 V C57
2022-03-19 02:53:50 s 1 +54182.899 0 +371124.61 3360.0 C57
2022-03-19 03:03:50 S 11 10 43.903 +19 03 01.87 V C57
2022-03-19 03:03:50 s 1 +53800.214 0 +371219.79 7560.0 C57
2022-03-19 03:13:50 S 11 10 43.147 +19 02 58.34 V C57
2022-03-19 03:13:50 s 1 +53417.393 0 +371313.96 1540.0 C57
2022-03-19 03:23:50 S 11 10 42.038 +19 03 01.01 V C57
2022-03-19 03:23:50 s 1 +53034.436 0 +371407.11 5290.0 C57
2022-03-19 03:33:50 S 11 10 41.148 +19 03 02.99 V C57
2022-03-19 03:33:50 s 1 +52651.345 0 +371499.25 8820.0 C57
2022-03-19 03:43:50 S 11 10 40.526 +19 03 07.13 V C57
2022-03-19 03:43:50 s 1 +52268.121 0 +371590.37 2140.0 C57
2022-03-19 03:53:50 S 11 10 39.670 +19 03 03.20 V C57
2022-03-19 03:53:50 s 1 +51884.766 0 +371680.48 5240.0 C57
2022-03-19 04:03:50 S 11 10 38.777 +19 03 05.58 V C57
2022-03-19 04:03:50 s 1 +51501.279 0 +371769.57 8150.0 C57
2022-03-19 04:13:50 S 11 10 37.927 +19 03 06.84 V C57
2022-03-19 04:13:50 s 1 +51117.662 0 +371857.64 850.0 C57
2022-03-19 04:23:50 S 11 10 37.106 +19 03 06.12 V C57
2022-03-19 04:23:50 s 1 +50733.917 0 +371944.70 3350.0 C57
2022-03-19 04:33:50 S 11 10 36.358 +19 03 07.06 V C57
2022-03-19 04:33:50 s 1 +50350.044 0 +372030.75 5660.0 C57
2022-03-19 04:43:50 S 11 10 35.299 +19 03 10.55 V C57
2022-03-19 04:43:50 s 1 +49966.044 0 +372115.78 7790.0 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)