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
2022-03-09 18:43:51 S 11 29 19.133 +18 22 21.04 V C57
2022-03-09 18:43:51 s 1 -190584.85 8 +157783.93 7240.0 C57
2022-03-09 19:13:51 S 11 29 16.207 +18 22 25.21 V C57
2022-03-09 19:13:51 s 1 -190837.28 4 +155633.43 5610.0 C57
2022-03-09 19:23:51 S 11 29 15.386 +18 22 30.00 V C57
2022-03-09 19:23:51 s 1 -190918.38 9 +154914.11 780.0 C57
2022-03-09 19:33:51 S 11 29 14.407 +18 22 30.86 V C57
2022-03-09 19:33:51 s 1 -190997.96 4 +154193.54 8750.0 C57
2022-03-09 19:43:51 S 11 29 13.399 +18 22 28.99 V C57
2022-03-09 19:43:51 s 1 -191076.00 3 +153471.72 9500.0 C57
2022-03-09 19:53:51 S 11 29 12.708 +18 22 35.33 V C57
2022-03-09 19:53:51 s 1 -191152.49 7 +152748.66 3000.0 C57
2022-03-09 20:03:51 S 11 29 11.832 +18 22 36.73 V C57
2022-03-09 20:03:51 s 1 -191227.44 0 +152024.36 9210.0 C57
2022-03-09 20:13:51 S 11 29 10.994 +18 22 39.61 V C57
2022-03-09 20:13:51 s 1 -191300.82 4 +151298.82 8100.0 C57
2022-03-09 20:33:51 S 11 29 08.990 +18 22 44.69 V C57
2022-03-09 20:33:51 s 1 -191442.88 8 +149844.01 3810.0 C57
2022-03-09 20:43:51 S 11 29 08.328 +18 22 45.52 V C57
2022-03-09 20:43:51 s 1 -191511.55 4 +149114.75 560.0 C57
2022-03-09 20:53:51 S 11 29 07.402 +18 22 48.65 V C57
2022-03-09 20:53:51 s 1 -191578.63 2 +148384.24 9870.0 C57
2022-03-09 21:03:51 S 11 29 06.346 +18 22 50.52 V C57
2022-03-09 21:03:51 s 1 -191644.11 5 +147652.50 1700.0 C57
2022-03-09 21:13:51 S 11 29 05.525 +18 22 53.62 V C57
2022-03-09 21:13:51 s 1 -191707.99 5 +146919.52 6020.0 C57
2022-03-09 21:23:51 S 11 29 04.670 +18 22 56.78 V C57
2022-03-09 21:23:51 s 1 -191770.26 6 +146185.30 2800.0 C57
2022-03-09 21:43:51 S 11 29 03.007 +18 22 59.84 V C57
2022-03-09 21:43:51 s 1 -191889.94 8 +144713.16 3600.0 C57
2022-03-09 21:53:51 S 11 29 01.898 +18 23 03.84 V C57
2022-03-09 21:53:51 s 1 -191947.34 3 +143975.24 7560.0 C57
2022-03-09 22:03:51 S 11 29 01.231 +18 23 05.10 V C57
2022-03-09 22:03:51 s 1 -192003.09 9 +143236.09 3850.0 C57
2022-03-10 00:13:51 S 11 28 49.514 +18 23 34.01 V C57
2022-03-10 00:13:51 s 1 -192575.11 1 +133515.33 1950.0 C57
2022-03-10 00:23:51 S 11 28 48.581 +18 23 36.53 V C57
2022-03-10 00:23:51 s 1 -192607.07 7 +132759.03 7230.0 C57
2022-03-10 00:33:51 S 11 28 47.887 +18 23 37.90 V C57
2022-03-10 00:33:51 s 1 -192637.28 3 +132001.51 4320.0 C57
2022-03-10 00:43:51 S 11 28 46.822 +18 23 41.28 V C57
2022-03-10 00:43:51 s 1 -192665.72 1 +131242.77 3190.0 C57
2022-03-10 00:53:51 S 11 28 45.835 +18 23 44.56 V C57
2022-03-10 00:53:51 s 1 -192692.38 2 +130482.82 3780.0 C57
2022-03-10 01:03:51 S 11 28 45.079 +18 23 43.37 V C57
2022-03-10 01:03:51 s 1 -192717.25 7 +129721.66 6080.0 C57
2022-03-10 01:13:51 S 11 28 44.182 +18 23 49.13 V C57
2022-03-10 01:13:51 s 1 -192740.33 9 +128959.29 40.0 C57
2022-03-10 01:23:51 S 11 28 43.392 +18 23 52.80 V C57
2022-03-10 01:23:51 s 1 -192761.61 8 +128195.72 5620.0 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)