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 06:13:50 S 11 04 23.292 +19 10 21.11 V C57
2022-03-22 06:13:50 s 1 -116037.31 1 +308517.24 2750.0 C57
2022-03-22 06:23:50 S 11 04 22.169 +19 10 16.54 V C57
2022-03-22 06:23:50 s 1 -116365.77 4 +308132.66 5960.0 C57
2022-03-22 06:43:50 S 11 04 20.335 +19 10 16.57 V C57
2022-03-22 06:43:50 s 1 -117021.36 1 +307360.00 5060.0 C57
2022-03-22 06:53:50 S 11 04 19.469 +19 10 22.48 V C57
2022-03-22 06:53:50 s 1 -117348.48 2 +306971.92 910.0 C57
2022-03-22 07:03:50 S 11 04 18.463 +19 10 25.93 V C57
2022-03-22 07:03:50 s 1 -117675.15 1 +306582.67 4300.0 C57
2022-03-22 07:23:50 S 11 04 17.208 +19 10 22.40 V C57
2022-03-22 07:23:50 s 1 -118327.12 7 +305800.64 3610.0 C57
2022-03-22 07:33:50 S 11 04 15.938 +19 10 25.03 V C57
2022-03-22 07:33:50 s 1 -118652.42 8 +305407.87 9510.0 C57
2022-03-22 07:43:50 S 11 04 15.199 +19 10 23.38 V C57
2022-03-22 07:43:50 s 1 -118977.27 0 +305013.93 2910.0 C57
2022-03-22 07:53:50 S 11 04 14.470 +19 10 25.36 V C57
2022-03-22 07:53:50 s 1 -119301.65 0 +304618.81 3780.0 C57
2022-03-22 08:03:50 S 11 04 13.584 +19 10 27.19 V C57
2022-03-22 08:03:50 s 1 -119625.56 5 +304222.52 2120.0 C57
2022-03-22 08:13:50 S 11 04 12.708 +19 10 27.08 V C57
2022-03-22 08:13:50 s 1 -119949.01 4 +303825.05 7920.0 C57
2022-03-22 08:23:50 S 11 04 11.964 +19 10 28.67 V C57
2022-03-22 08:23:50 s 1 -120271.99 5 +303426.40 1160.0 C57
2022-03-22 08:33:50 S 11 04 10.968 +19 10 28.74 V C57
2022-03-22 08:33:50 s 1 -120594.50 5 +303026.58 1840.0 C57
2022-03-22 08:43:50 S 11 04 09.977 +19 10 31.44 V C57
2022-03-22 08:43:50 s 1 -120916.54 1 +302625.57 9950.0 C57
2022-03-22 08:53:50 S 11 04 09.168 +19 10 31.73 V C57
2022-03-22 08:53:50 s 1 -121238.10 3 +302223.39 5480.0 C57
2022-03-22 09:03:50 S 11 04 08.294 +19 10 30.22 V C57
2022-03-22 09:03:50 s 1 -121559.18 8 +301820.03 8410.0 C57
2022-03-22 09:13:50 S 11 04 07.658 +19 10 32.41 V C57
2022-03-22 09:13:50 s 1 -121879.79 3 +301415.49 8740.0 C57
2022-03-22 09:23:50 S 11 04 06.691 +19 10 32.34 V C57
2022-03-22 09:23:50 s 1 -122199.91 6 +301009.76 6460.0 C57
2022-03-22 09:33:50 S 11 04 05.988 +19 10 30.47 V C57
2022-03-22 09:33:50 s 1 -122519.55 5 +300602.85 1560.0 C57
2022-03-22 09:43:50 S 11 04 04.834 +19 10 36.34 V C57
2022-03-22 09:43:50 s 1 -122838.70 9 +300194.76 4020.0 C57
2022-03-22 09:53:50 S 11 04 04.145 +19 10 34.14 V C57
2022-03-22 09:53:50 s 1 -123157.37 4 +299785.49 3830.0 C57
2022-03-22 11:03:50 S 11 03 58.085 +19 10 46.45 V C57
2022-03-22 11:03:50 s 1 -125374.16 7 +296887.35 7610.0 C57
2022-03-22 11:13:50 S 11 03 57.547 +19 10 43.14 V C57
2022-03-22 11:13:50 s 1 -125688.84 5 +296468.58 5890.0 C57
2022-03-22 11:23:50 S 11 03 56.426 +19 10 41.88 V C57
2022-03-22 11:23:50 s 1 -126003.01 3 +296048.61 1430.0 C57
2022-03-22 11:33:50 S 11 03 55.939 +19 10 43.86 V C57
2022-03-22 11:33:50 s 1 -126316.67 0 +295627.45 4220.0 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)