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
2026-02-24 13:46:24 C 16 44 29.155 -32 49 05.99 V T05
2026-02-24 13:50:21 C 16 44 29.813 -32 49 10.13 V T05
2026-02-24 14:13:10 C 16 44 33.727 -32 49 34.28 V T05
2026-02-25 13:58:09 C 16 48 43.279 -33 14 08.02 V T05
2026-02-25 14:16:32 C 16 48 46.526 -33 14 27.24 V T05
2026-02-25 14:17:11 C 16 48 46.661 -33 14 28.21 V T05
2026-02-25 14:23:47 C 16 48 47.878 -33 14 33.94 V T05
2026-02-25 14:25:05 C 16 48 48.043 -33 14 36.28 V T05
2026-02-28 15:03:36 C 17 02 13.572 -34 30 09.58 V T08
2026-02-28 15:29:59 C 17 02 18.576 -34 30 37.37 V T08
2026-02-28 15:44:04 C 17 02 21.254 -34 30 52.09 V T08
2026-03-04 02:57:01 C 17 19 11.746 -35 57 09.68 V M22
2026-03-04 03:05:28 C 17 19 13.546 -35 57 18.58 V M22
2026-03-04 03:07:25 C 17 19 13.910 -35 57 21.06 V M22
2026-03-04 03:32:54 C 17 19 19.294 -35 57 47.12 V M22
2026-03-29 02:26:41 C 20 21 54.106 -41 40 29.14 V M22
2026-03-29 02:31:24 C 20 21 55.930 -41 40 27.52 V M22
2026-03-29 03:05:07 C 20 22 08.930 -41 40 14.77 V M22
2026-03-29 03:07:48 C 20 22 09.974 -41 40 13.66 V M22
2026-03-29 03:32:37 C 20 22 19.538 -41 40 04.19 V M22
2026-03-29 03:33:16 C 20 22 19.790 -41 40 03.83 V M22
2026-03-29 03:36:31 C 20 22 21.060 -41 40 02.50 V M22
2026-03-29 03:46:13 C 20 22 24.787 -41 39 58.75 V M22
2026-04-04 09:27:31 C 21 20 56.357 -39 40 28.70 V W68
2026-04-04 09:36:16 C 21 20 59.724 -39 40 18.44 V W68
2026-04-04 09:40:15 C 21 21 01.265 -39 40 13.80 V W68
2026-04-04 09:52:48 C 21 21 06.084 -39 39 59.08 V W68
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)