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
2022-03-07 10:03:51 S 11 34 14.292 +18 08 47.26 V C57
2022-03-07 10:03:51 s 1 -105146.91 8 +330268.30 3700.0 C57
2022-03-07 10:13:51 S 11 34 13.747 +18 08 46.75 V C57
2022-03-07 10:13:51 s 1 -105500.47 1 +329958.45 4080.0 C57
2022-03-07 10:33:51 S 11 34 11.683 +18 08 50.60 V C57
2022-03-07 10:33:51 s 1 -106206.53 8 +329335.44 8980.0 C57
2022-03-07 10:43:51 S 11 34 10.546 +18 08 52.30 V C57
2022-03-07 10:43:51 s 1 -106559.05 0 +329022.28 3480.0 C57
2022-03-07 11:03:51 S 11 34 09.233 +18 08 59.78 V C57
2022-03-07 11:03:51 s 1 -107263.02 0 +328392.64 6540.0 C57
2022-03-07 11:13:51 S 11 34 08.450 +18 09 04.21 V C57
2022-03-07 11:13:51 s 1 -107614.47 5 +328076.16 5090.0 C57
2022-03-07 11:23:51 S 11 34 07.464 +18 09 05.44 V C57
2022-03-07 11:23:51 s 1 -107965.57 5 +327758.58 1640.0 C57
2022-03-07 11:33:51 S 11 34 06.744 +18 09 04.32 V C57
2022-03-07 11:33:51 s 1 -108316.31 7 +327439.88 6180.0 C57
2022-03-07 11:43:51 S 11 34 05.885 +18 09 10.40 V C57
2022-03-07 11:43:51 s 1 -108666.70 0 +327120.08 8700.0 C57
2022-03-07 11:53:51 S 11 34 04.999 +18 09 12.71 V C57
2022-03-07 11:53:51 s 1 -109016.72 3 +326799.17 9210.0 C57
2022-03-07 12:03:51 S 11 34 04.162 +18 09 15.12 V C57
2022-03-07 12:03:51 s 1 -109366.38 4 +326477.15 7680.0 C57
2022-03-07 12:13:51 S 11 34 03.307 +18 09 16.45 V C57
2022-03-07 12:13:51 s 1 -109715.68 0 +326154.02 4120.0 C57
2022-03-07 12:23:51 S 11 34 02.482 +18 09 21.28 V C57
2022-03-07 12:23:51 s 1 -110064.61 0 +325829.78 8510.0 C57
2022-03-07 12:33:51 S 11 34 01.678 +18 09 22.50 V C57
2022-03-07 12:33:51 s 1 -110413.17 3 +325504.43 850.0 C57
2022-03-07 12:43:51 S 11 34 00.811 +18 09 25.60 V C57
2022-03-07 12:43:51 s 1 -110761.36 7 +325177.97 1120.0 C57
2022-03-07 12:53:51 S 11 33 59.906 +18 09 28.15 V C57
2022-03-07 12:53:51 s 1 -111109.20 9 +324850.40 9330.0 C57
2022-03-07 13:03:51 S 11 33 59.170 +18 09 32.22 V C57
2022-03-07 13:03:51 s 1 -111457.69 4 +324521.64 5190.0 C57
2022-03-07 13:13:51 S 11 33 58.260 +18 09 32.15 V C57
2022-03-07 13:13:51 s 1 -111804.70 4 +324191.85 9270.0 C57
2022-03-07 13:23:51 S 11 33 57.408 +18 09 35.82 V C57
2022-03-07 13:23:51 s 1 -112151.40 8 +323860.94 1240.0 C57
2022-03-07 13:33:51 S 11 33 56.546 +18 09 35.14 V C57
2022-03-07 13:33:51 s 1 -112497.73 5 +323528.92 1100.0 C57
2022-03-07 13:43:51 S 11 33 55.560 +18 09 40.79 V C57
2022-03-07 13:43:51 s 1 -112843.68 1 +323195.79 8860.0 C57
2022-03-07 13:53:51 S 11 33 54.677 +18 09 40.75 V C57
2022-03-07 13:53:51 s 1 -113189.24 6 +322861.54 4510.0 C57
2022-03-07 14:13:51 S 11 33 53.047 +18 09 47.05 V C57
2022-03-07 14:13:51 s 1 -113879.22 4 +322189.69 9420.0 C57
2022-03-07 14:33:51 S 11 33 51.672 +18 09 55.91 V C57
2022-03-07 14:33:51 s 1 -114567.65 4 +321513.38 5760.0 C57
2022-03-07 14:43:51 S 11 33 50.626 +18 09 54.04 V C57
2022-03-07 14:43:51 s 1 -114911.28 5 +321173.55 710.0 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)