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
2022-03-03 06:53:51 s 1 +120463.82 5 +327406.20 4010.0 C57
2022-03-03 07:33:51 S 11 42 11.057 +17 42 36.25 V C57
2022-03-03 07:33:51 s 1 +119122.15 1 +328669.08 8580.0 C57
2022-03-03 09:03:51 S 11 42 04.178 +17 43 04.73 V C57
2022-03-03 09:03:51 s 1 +116080.12 8 +331446.67 4820.0 C57
2022-03-03 09:13:51 S 11 42 03.434 +17 43 02.71 V C57
2022-03-03 09:13:51 s 1 +115740.17 5 +331749.84 5590.0 C57
2022-03-03 09:51:34 C 11 41 35.51 +17 43 06.3 V T05
2022-03-03 09:55:40 C 11 41 35.18 +17 43 07.4 V T05
2022-03-03 09:59:51 C 11 41 34.84 +17 43 08.8 V T05
2022-03-03 10:03:51 S 11 41 59.496 +17 43 24.46 V C57
2022-03-03 10:03:51 s 1 +114034.68 9 +333249.39 230.0 C57
2022-03-03 10:07:40 C 11 41 34.21 +17 43 10.9 V T05
2022-03-03 10:13:51 S 11 41 58.836 +17 43 23.05 V C57
2022-03-03 10:13:51 s 1 +113692.45 6 +333546.04 3360.0 C57
2022-03-03 10:23:51 S 11 41 57.869 +17 43 24.78 V C57
2022-03-03 10:23:51 s 1 +113349.84 7 +333841.60 5230.0 C57
2022-03-03 10:33:51 S 11 41 57.079 +17 43 28.96 V C57
2022-03-03 10:33:51 s 1 +113006.87 2 +334136.09 5880.0 C57
2022-03-03 10:43:51 S 11 41 56.618 +17 43 33.71 V C57
2022-03-03 10:43:51 s 1 +112663.52 0 +334429.48 5280.0 C57
2022-03-03 10:53:51 S 11 41 55.690 +17 43 33.17 V C57
2022-03-03 10:53:51 s 1 +112319.79 7 +334721.78 3440.0 C57
2022-03-03 11:03:51 S 11 41 54.715 +17 43 38.78 V C57
2022-03-03 11:03:51 s 1 +111975.71 2 +335013.02 400.0 C57
2022-03-03 11:13:51 S 11 41 54.343 +17 43 44.33 V C57
2022-03-03 11:13:51 s 1 +111631.25 5 +335303.16 6130.0 C57
2022-03-03 11:23:51 S 11 41 53.544 +17 43 45.37 V C57
2022-03-03 11:23:51 s 1 +111286.43 2 +335592.21 650.0 C57
2022-03-03 11:43:51 S 11 41 51.888 +17 43 47.93 V C57
2022-03-03 11:43:51 s 1 +110595.70 4 +336167.09 6110.0 C57
2022-03-03 11:53:51 S 11 41 51.199 +17 43 51.78 V C57
2022-03-03 11:53:51 s 1 +110249.79 5 +336452.90 7040.0 C57
2022-03-03 12:43:51 S 11 41 47.186 +17 44 07.51 V C57
2022-03-03 12:43:51 s 1 +108514.90 9 +337865.75 4150.0 C57
2022-03-03 12:53:51 S 11 41 46.445 +17 44 09.92 V C57
2022-03-03 12:53:51 s 1 +108166.83 6 +338145.05 7970.0 C57
2022-03-03 13:23:51 S 11 41 44.441 +17 44 16.55 V C57
2022-03-03 13:23:51 s 1 +107119.06 8 +338975.22 6790.0 C57
2022-03-03 13:33:51 S 11 41 43.529 +17 44 17.77 V C57
2022-03-03 13:33:51 s 1 +106769.63 6 +339250.23 6200.0 C57
2022-03-03 13:43:51 S 11 41 42.895 +17 44 24.86 V C57
2022-03-03 13:43:51 s 1 +106419.85 9 +339524.16 4490.0 C57
2022-03-03 14:03:51 S 11 41 41.143 +17 44 27.24 V C57
2022-03-03 14:03:51 s 1 +105719.28 0 +340068.79 7760.0 C57
2022-03-03 14:13:51 S 11 41 40.543 +17 44 31.42 V C57
2022-03-03 14:13:51 s 1 +105368.48 0 +340339.49 2740.0 C57
2022-03-03 14:23:51 S 11 41 39.494 +17 44 33.11 V C57
2022-03-03 14:23:51 s 1 +105017.34 2 +340609.12 6640.0 C57
2022-03-03 14:33:51 S 11 41 39.103 +17 44 37.43 V 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)