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
2022-03-22 17:13:50 S 11 03 26.614 +19 11 08.99 V C57
2022-03-22 17:13:50 s 1 -136659.74 7 +280592.82 2360.0 C57
2022-03-22 17:23:50 S 11 03 25.562 +19 11 09.92 V C57
2022-03-22 17:23:50 s 1 -136953.98 1 +280129.41 1730.0 C57
2022-03-22 17:33:50 S 11 03 24.866 +19 11 06.36 V C57
2022-03-22 17:33:50 s 1 -137247.61 5 +279664.77 7920.0 C57
2022-03-22 17:43:50 S 11 03 24.086 +19 11 05.68 V C57
2022-03-22 17:43:50 s 1 -137540.64 4 +279198.92 930.0 C57
2022-03-22 17:53:50 S 11 03 23.304 +19 11 09.71 V C57
2022-03-22 17:53:50 s 1 -137833.06 7 +278731.84 750.0 C57
2022-03-22 18:03:50 S 11 03 22.313 +19 11 13.52 V C57
2022-03-22 18:03:50 s 1 -138124.88 1 +278263.53 7360.0 C57
2022-03-22 18:23:50 S 11 03 20.563 +19 11 06.90 V C57
2022-03-22 18:23:50 s 1 -138706.67 0 +277323.24 900.0 C57
2022-03-22 18:33:50 S 11 03 19.675 +19 11 12.62 V C57
2022-03-22 18:33:50 s 1 -138996.64 0 +276851.25 7810.0 C57
2022-03-22 18:43:50 S 11 03 18.905 +19 11 13.38 V C57
2022-03-22 18:43:50 s 1 -139285.98 9 +276378.03 1460.0 C57
2022-03-22 18:53:50 S 11 03 18.118 +19 11 12.19 V C57
2022-03-22 18:53:50 s 1 -139574.71 6 +275903.59 1840.0 C57
2022-03-22 19:53:50 S 11 03 12.770 +19 11 19.54 V C57
2022-03-22 19:53:50 s 1 -141293.83 6 +273031.04 4690.0 C57
2022-03-22 20:13:50 S 11 03 11.069 +19 11 19.79 V C57
2022-03-22 20:13:50 s 1 -141861.76 4 +272063.64 5540.0 C57
2022-03-22 20:43:50 S 11 03 08.537 +19 11 20.18 V C57
2022-03-22 20:43:50 s 1 -142708.78 5 +270603.26 6340.0 C57
2022-03-22 20:53:50 S 11 03 07.680 +19 11 23.32 V C57
2022-03-22 20:53:50 s 1 -142989.81 4 +270113.99 6440.0 C57
2022-03-22 20:59:33 C 11 02 50.17 +19 11 22.8 V M20
2022-03-22 21:19:29 C 11 02 48.55 +19 11 24.2 V M20
2022-03-22 21:23:50 S 11 03 05.299 +19 11 26.05 V C57
2022-03-22 21:23:50 s 1 -143828.93 0 +268638.72 5990.0 C57
2022-03-22 21:33:14 C 11 02 47.37 +19 11 25.4 V M20
2022-03-22 21:33:50 S 11 03 04.570 +19 11 24.79 V C57
2022-03-22 21:33:50 s 1 -144107.30 1 +268144.48 2220.0 C57
2022-03-22 21:53:50 S 11 03 02.614 +19 11 28.68 V C57
2022-03-22 21:53:50 s 1 -144662.02 3 +267152.25 4160.0 C57
2022-03-22 22:03:50 S 11 03 01.733 +19 11 28.25 V C57
2022-03-22 22:03:50 s 1 -144938.36 8 +266654.27 9850.0 C57
2022-03-22 22:13:50 S 11 03 00.816 +19 11 26.12 V C57
2022-03-22 22:13:50 s 1 -145214.03 2 +266155.04 2000.0 C57
2022-03-22 22:23:50 S 11 03 00.158 +19 11 28.39 V C57
2022-03-22 22:23:50 s 1 -145489.01 2 +265654.57 590.0 C57
2022-03-22 22:33:50 S 11 02 59.232 +19 11 28.43 V C57
2022-03-22 22:33:50 s 1 -145763.30 4 +265152.84 5610.0 C57
2022-03-22 22:43:50 S 11 02 58.306 +19 11 27.13 V C57
2022-03-22 22:43:50 s 1 -146036.90 6 +264649.86 7040.0 C57
2022-03-22 22:53:50 S 11 02 57.703 +19 11 28.86 V C57
2022-03-22 22:53:50 s 1 -146309.81 4 +264145.63 4880.0 C57
2022-03-22 23:03:50 S 11 02 56.518 +19 11 31.45 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)