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
2022-03-18 09:43:50 S 11 12 10.291 +19 00 50.83 V C57
2022-03-18 09:43:50 s 1 +92662.466 0 +355867.81 2130.0 C57
2022-03-18 09:53:50 S 11 12 09.523 +19 00 50.15 V C57
2022-03-18 09:53:50 s 1 +92299.796 0 +356068.06 6190.0 C57
2022-03-18 10:13:50 S 11 12 07.829 +19 00 56.74 V C57
2022-03-18 10:13:50 s 1 +91573.698 0 +356465.47 2080.0 C57
2022-03-18 10:23:50 S 11 12 07.054 +19 00 55.12 V C57
2022-03-18 10:23:50 s 1 +91210.271 0 +356662.64 3920.0 C57
2022-03-18 10:33:50 S 11 12 06.094 +19 00 56.41 V C57
2022-03-18 10:33:50 s 1 +90846.594 0 +356858.78 5040.0 C57
2022-03-18 10:43:50 S 11 12 05.354 +19 00 57.06 V C57
2022-03-18 10:43:50 s 1 +90482.667 0 +357053.89 5430.0 C57
2022-03-18 10:53:50 S 11 12 04.550 +19 00 56.77 V C57
2022-03-18 10:53:50 s 1 +90118.493 0 +357247.98 5100.0 C57
2022-03-18 11:03:50 S 11 12 03.686 +19 01 02.17 V C57
2022-03-18 11:03:50 s 1 +89754.073 0 +357441.04 4070.0 C57
2022-03-18 11:13:50 S 11 12 02.734 +19 01 01.16 V C57
2022-03-18 11:13:50 s 1 +89389.407 0 +357633.08 2320.0 C57
2022-03-18 11:23:50 S 11 12 01.798 +19 01 05.12 V C57
2022-03-18 11:23:50 s 1 +89024.497 0 +357824.09 9880.0 C57
2022-03-18 11:43:50 S 11 12 00.475 +19 01 02.60 V C57
2022-03-18 11:43:50 s 1 +88293.949 0 +358203.04 2900.0 C57
2022-03-18 12:03:50 S 11 11 58.752 +19 01 06.56 V C57
2022-03-18 12:03:50 s 1 +87562.440 0 +358577.88 3180.0 C57
2022-03-18 12:23:50 S 11 11 56.686 +19 01 14.05 V C57
2022-03-18 12:23:50 s 1 +86829.978 0 +358948.63 770.0 C57
2022-03-18 12:53:50 S 11 11 54.403 +19 01 14.41 V C57
2022-03-18 12:53:50 s 1 +85729.521 0 +359497.06 7170.0 C57
2022-03-18 13:03:50 S 11 11 53.770 +19 01 16.43 V C57
2022-03-18 13:03:50 s 1 +85362.236 0 +359677.83 8000.0 C57
2022-03-18 13:23:50 S 11 11 52.003 +19 01 22.73 V C57
2022-03-18 13:23:50 s 1 +84626.975 0 +360036.28 7730.0 C57
2022-03-18 13:33:50 S 11 11 51.475 +19 01 17.83 V C57
2022-03-18 13:33:50 s 1 +84259.001 0 +360213.97 6640.0 C57
2022-03-18 13:43:50 S 11 11 50.402 +19 01 21.76 V C57
2022-03-18 13:43:50 s 1 +83890.800 0 +360390.64 4920.0 C57
2022-03-18 13:53:50 S 11 11 49.541 +19 01 23.48 V C57
2022-03-18 13:53:50 s 1 +83522.373 0 +360566.29 2580.0 C57
2022-03-18 14:03:50 S 11 11 48.828 +19 01 21.22 V C57
2022-03-18 14:03:50 s 1 +83153.720 0 +360740.91 9630.0 C57
2022-03-18 14:13:50 S 11 11 47.789 +19 01 23.99 V C57
2022-03-18 14:13:50 s 1 +82784.844 0 +360914.51 6060.0 C57
2022-03-18 14:23:50 S 11 11 47.114 +19 01 26.51 V C57
2022-03-18 14:23:50 s 1 +82415.746 0 +361087.09 1880.0 C57
2022-03-18 14:33:50 S 11 11 46.414 +19 01 27.23 V C57
2022-03-18 14:33:50 s 1 +82046.426 0 +361258.64 7100.0 C57
2022-03-18 14:43:50 S 11 11 45.509 +19 01 28.70 V C57
2022-03-18 14:43:50 s 1 +81676.885 0 +361429.18 1720.0 C57
2022-03-18 15:23:50 S 11 11 42.026 +19 01 33.85 V C57
2022-03-18 15:23:50 s 1 +80196.545 0 +362101.08 4330.0 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)