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 05:33:51 S 11 30 28.752 +18 19 14.23 V C57
2022-03-09 05:33:51 s 1 -179581.25 8 +210357.01 9080.0 C57
2022-03-09 05:43:51 S 11 30 27.814 +18 19 19.24 V C57
2022-03-09 05:43:51 s 1 -179767.07 8 +209740.36 3370.0 C57
2022-03-09 05:53:51 S 11 30 26.887 +18 19 21.79 V C57
2022-03-09 05:53:51 s 1 -179951.83 4 +209122.46 2510.0 C57
2022-03-09 06:03:51 S 11 30 26.256 +18 19 24.53 V C57
2022-03-09 06:03:51 s 1 -180135.52 3 +208503.31 6490.0 C57
2022-03-09 06:13:51 S 11 30 25.680 +18 19 24.85 V C57
2022-03-09 06:13:51 s 1 -180318.14 0 +207882.92 5270.0 C57
2022-03-09 06:23:51 S 11 30 24.355 +18 19 32.48 V C57
2022-03-09 06:23:51 s 1 -180499.67 9 +207261.28 8850.0 C57
2022-03-09 06:33:51 S 11 30 23.676 +18 19 31.51 V C57
2022-03-09 06:33:51 s 1 -180680.13 6 +206638.39 7200.0 C57
2022-03-09 06:43:51 S 11 30 22.682 +18 19 33.17 V C57
2022-03-09 06:43:51 s 1 -180859.50 7 +206014.25 300.0 C57
2022-03-09 06:53:51 S 11 30 21.684 +18 19 33.02 V C57
2022-03-09 06:53:51 s 1 -181037.78 7 +205388.87 8120.0 C57
2022-03-09 07:03:51 S 11 30 20.983 +18 19 36.84 V C57
2022-03-09 07:03:51 s 1 -181214.97 1 +204762.23 660.0 C57
2022-03-09 07:13:51 S 11 30 20.141 +18 19 42.46 V C57
2022-03-09 07:13:51 s 1 -181391.05 5 +204134.35 7890.0 C57
2022-03-09 07:23:01 C 11 30 05.85 +18 19 59.4 V 703
2022-03-09 07:23:51 S 11 30 19.320 +18 19 42.10 V C57
2022-03-09 07:23:51 s 1 -181566.03 3 +203505.22 9780.0 C57
2022-03-09 07:30:34 C 11 30 05.20 +18 20 01.2 V 703
2022-03-09 07:33:51 S 11 30 18.202 +18 19 43.90 V C57
2022-03-09 07:33:51 s 1 -181739.90 1 +202874.84 6310.0 C57
2022-03-09 07:38:07 C 11 30 04.56 +18 20 02.9 V 703
2022-03-09 07:43:51 S 11 30 17.249 +18 19 47.39 V C57
2022-03-09 07:43:51 s 1 -181912.65 4 +202243.20 7480.0 C57
2022-03-09 07:45:39 C 11 30 03.92 +18 20 04.7 V 703
2022-03-09 07:53:51 S 11 30 16.478 +18 19 45.05 V C57
2022-03-09 07:53:51 s 1 -182084.28 7 +201610.32 3240.0 C57
2022-03-09 08:03:51 S 11 30 15.485 +18 19 52.32 V C57
2022-03-09 08:03:51 s 1 -182254.79 6 +200976.18 3590.0 C57
2022-03-09 08:13:51 S 11 30 14.563 +18 19 48.61 V C57
2022-03-09 08:13:51 s 1 -182424.17 4 +200340.80 8490.0 C57
2022-03-09 08:23:51 S 11 30 13.889 +18 19 58.01 V C57
2022-03-09 08:23:51 s 1 -182592.41 9 +199704.16 7940.0 C57
2022-03-09 08:33:51 S 11 30 13.207 +18 19 58.51 V C57
2022-03-09 08:33:51 s 1 -182759.52 4 +199066.28 1900.0 C57
2022-03-09 08:37:54 C 11 29 59.82 +18 20 18.5 V T08
2022-03-09 08:42:31 C 11 29 59.41 +18 20 19.5 V T08
2022-03-09 08:43:51 S 11 30 12.103 +18 20 02.58 V C57
2022-03-09 08:43:51 s 1 -182925.48 5 +198427.14 360.0 C57
2022-03-09 08:46:27 C 11 29 59.09 +18 20 20.3 V T08
2022-03-09 08:53:51 S 11 30 11.100 +18 20 02.69 V C57
2022-03-09 08:53:51 s 1 -183090.29 6 +197786.74 3290.0 C57
2022-03-09 08:54:27 C 11 29 58.42 +18 20 22.3 V T08
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)