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
2022-03-06 14:03:51 S 11 35 54.862 +18 03 44.39 V C57
2022-03-06 14:03:51 s 1 -60669.295 0 +359557.20 3880.0 C57
2022-03-06 14:13:51 S 11 35 54.127 +18 03 41.80 V C57
2022-03-06 14:13:51 s 1 -61053.327 0 +359376.92 9650.0 C57
2022-03-06 14:23:51 S 11 35 53.402 +18 03 47.95 V C57
2022-03-06 14:23:51 s 1 -61437.188 0 +359195.57 4240.0 C57
2022-03-06 14:33:51 S 11 35 52.608 +18 03 51.23 V C57
2022-03-06 14:33:51 s 1 -61820.875 0 +359013.17 7650.0 C57
2022-03-06 14:43:51 S 11 35 51.799 +18 03 53.60 V C57
2022-03-06 14:43:51 s 1 -62204.387 0 +358829.71 9870.0 C57
2022-03-06 14:53:51 S 11 35 51.017 +18 03 53.57 V C57
2022-03-06 14:53:51 s 1 -62587.724 0 +358645.18 890.0 C57
2022-03-06 15:03:51 S 11 35 50.047 +18 03 56.52 V C57
2022-03-06 15:03:51 s 1 -62970.884 0 +358459.60 710.0 C57
2022-03-06 15:13:51 S 11 35 49.320 +18 04 00.05 V C57
2022-03-06 15:13:51 s 1 -63353.866 0 +358272.96 9330.0 C57
2022-03-06 15:23:51 S 11 35 48.514 +18 04 01.70 V C57
2022-03-06 15:23:51 s 1 -63736.668 0 +358085.25 6740.0 C57
2022-03-06 15:33:51 S 11 35 47.465 +18 04 04.76 V C57
2022-03-06 15:33:51 s 1 -64119.289 0 +357896.49 2930.0 C57
2022-03-06 15:43:51 S 11 35 47.042 +18 04 08.98 V C57
2022-03-06 15:43:51 s 1 -64501.728 0 +357706.66 7890.0 C57
2022-03-06 15:53:51 S 11 35 45.670 +18 04 10.81 V C57
2022-03-06 15:53:51 s 1 -64883.984 0 +357515.77 1630.0 C57
2022-03-06 16:33:51 S 11 35 42.619 +18 04 20.53 V C57
2022-03-06 16:33:51 s 1 -66411.146 0 +356741.60 4170.0 C57
2022-03-06 16:43:51 S 11 35 41.882 +18 04 21.32 V C57
2022-03-06 16:43:51 s 1 -66792.465 0 +356545.39 1670.0 C57
2022-03-06 16:53:51 S 11 35 40.968 +18 04 23.70 V C57
2022-03-06 16:53:51 s 1 -67173.592 0 +356348.13 7910.0 C57
2022-03-06 17:03:51 S 11 35 40.037 +18 04 30.47 V C57
2022-03-06 17:03:51 s 1 -67554.527 0 +356149.80 2890.0 C57
2022-03-06 17:13:51 S 11 35 39.343 +18 04 33.24 V C57
2022-03-06 17:13:51 s 1 -67935.269 0 +355950.41 6580.0 C57
2022-03-06 17:43:51 S 11 35 36.708 +18 04 39.25 V C57
2022-03-06 17:43:51 s 1 -69076.317 0 +355345.84 9960.0 C57
2022-03-06 17:53:51 S 11 35 36.000 +18 04 42.17 V C57
2022-03-06 17:53:51 s 1 -69456.269 0 +355142.19 8490.0 C57
2022-03-06 18:13:51 S 11 35 34.164 +18 04 47.35 V C57
2022-03-06 18:13:51 s 1 -70215.572 0 +354731.69 1640.0 C57
2022-03-06 18:23:51 S 11 35 33.408 +18 04 48.97 V C57
2022-03-06 18:23:51 s 1 -70594.920 0 +354524.84 6240.0 C57
2022-03-06 18:33:51 S 11 35 32.294 +18 04 50.59 V C57
2022-03-06 18:33:51 s 1 -70974.063 0 +354316.92 9520.0 C57
2022-03-06 18:43:51 S 11 35 31.716 +18 04 52.57 V C57
2022-03-06 18:43:51 s 1 -71353.000 0 +354107.93 1470.0 C57
2022-03-06 18:53:51 S 11 35 30.852 +18 04 56.06 V C57
2022-03-06 18:53:51 s 1 -71731.730 0 +353897.88 2080.0 C57
2022-03-06 19:03:51 S 11 35 30.072 +18 05 00.64 V C57
2022-03-06 19:03:51 s 1 -72110.252 0 +353686.76 1350.0 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)