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
2022-03-21 06:33:50 S 11 06 23.767 +19 08 23.53 V C57
2022-03-21 06:33:50 s 1 -65771.154 0 +351601.95 5160.0 C57
2022-03-21 06:43:50 S 11 06 22.778 +19 08 23.64 V C57
2022-03-21 06:43:50 s 1 -66144.793 0 +351376.49 1070.0 C57
2022-03-21 06:53:50 S 11 06 22.114 +19 08 22.88 V C57
2022-03-21 06:53:50 s 1 -66518.223 0 +351149.95 5630.0 C57
2022-03-21 07:03:50 S 11 06 21.072 +19 08 23.03 V C57
2022-03-21 07:03:50 s 1 -66891.442 0 +350922.33 8840.0 C57
2022-03-21 07:13:50 S 11 06 20.174 +19 08 22.78 V C57
2022-03-21 07:13:50 s 1 -67264.449 0 +350693.62 690.0 C57
2022-03-21 07:23:50 S 11 06 19.644 +19 08 27.82 V C57
2022-03-21 07:23:50 s 1 -67637.242 0 +350463.84 1190.0 C57
2022-03-21 07:33:50 S 11 06 18.626 +19 08 24.29 V C57
2022-03-21 07:33:50 s 1 -68009.820 0 +350232.97 320.0 C57
2022-03-21 07:43:50 S 11 06 17.623 +19 08 28.79 V C57
2022-03-21 07:43:50 s 1 -68382.182 0 +350001.02 8070.0 C57
2022-03-21 07:53:50 S 11 06 16.776 +19 08 28.61 V C57
2022-03-21 07:53:50 s 1 -68754.326 0 +349767.99 4440.0 C57
2022-03-21 08:03:50 S 11 06 15.979 +19 08 27.92 V C57
2022-03-21 08:03:50 s 1 -69126.252 0 +349533.88 9420.0 C57
2022-03-21 08:13:50 S 11 06 14.981 +19 08 29.33 V C57
2022-03-21 08:13:50 s 1 -69497.957 0 +349298.68 3010.0 C57
2022-03-21 08:23:50 S 11 06 14.354 +19 08 31.74 V C57
2022-03-21 08:23:50 s 1 -69869.440 0 +349062.40 5200.0 C57
2022-03-21 08:33:50 S 11 06 13.406 +19 08 33.40 V C57
2022-03-21 08:33:50 s 1 -70240.700 0 +348825.03 5980.0 C57
2022-03-21 09:03:50 S 11 06 11.018 +19 08 37.07 V C57
2022-03-21 09:03:50 s 1 -71353.127 0 +348106.41 9820.0 C57
2022-03-21 09:33:50 S 11 06 08.614 +19 08 38.54 V C57
2022-03-21 09:33:50 s 1 -72463.496 0 +347378.00 770.0 C57
2022-03-21 09:43:50 S 11 06 07.822 +19 08 38.65 V C57
2022-03-21 09:43:50 s 1 -72833.155 0 +347133.02 1530.0 C57
2022-03-21 10:03:50 S 11 06 05.806 +19 08 39.84 V C57
2022-03-21 10:03:50 s 1 -73571.768 0 +346639.80 8650.0 C57
2022-03-21 10:13:50 S 11 06 04.855 +19 08 39.48 V C57
2022-03-21 10:13:50 s 1 -73940.720 0 +346391.55 5010.0 C57
2022-03-21 10:23:50 S 11 06 04.200 +19 08 43.01 V C57
2022-03-21 10:23:50 s 1 -74309.433 0 +346142.22 9890.0 C57
2022-03-21 10:33:50 S 11 06 03.286 +19 08 41.68 V C57
2022-03-21 10:33:50 s 1 -74677.905 0 +345891.79 3280.0 C57
2022-03-21 10:43:50 S 11 06 02.266 +19 08 38.15 V C57
2022-03-21 10:43:50 s 1 -75046.137 0 +345640.27 5190.0 C57
2022-03-21 10:53:50 S 11 06 01.668 +19 08 45.49 V C57
2022-03-21 10:53:50 s 1 -75414.125 0 +345387.66 5590.0 C57
2022-03-21 11:03:50 S 11 06 01.056 +19 08 39.88 V C57
2022-03-21 11:03:50 s 1 -75781.869 0 +345133.95 4490.0 C57
2022-03-21 11:23:50 S 11 05 58.901 +19 08 47.47 V C57
2022-03-21 11:23:50 s 1 -76516.619 0 +344623.26 7740.0 C57
2022-03-21 11:33:50 S 11 05 58.476 +19 08 47.36 V C57
2022-03-21 11:33:50 s 1 -76883.621 0 +344366.27 2080.0 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)