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
2022-03-19 13:03:50 S 11 09 53.585 +19 04 08.62 V C57
2022-03-19 13:03:50 s 1 +30628.006 0 +375073.11 260.0 C57
2022-03-19 13:13:50 S 11 09 52.918 +19 04 09.19 V C57
2022-03-19 13:13:50 s 1 +30238.949 0 +375106.37 1450.0 C57
2022-03-19 13:23:50 S 11 09 52.130 +19 04 12.07 V C57
2022-03-19 13:23:50 s 1 +29849.820 0 +375138.61 2570.0 C57
2022-03-19 13:33:50 S 11 09 50.837 +19 04 06.82 V C57
2022-03-19 13:33:50 s 1 +29460.620 0 +375169.84 3640.0 C57
2022-03-19 13:43:50 S 11 09 49.951 +19 04 08.08 V C57
2022-03-19 13:43:50 s 1 +29071.351 0 +375200.05 4640.0 C57
2022-03-19 15:03:50 S 11 09 43.807 +19 04 25.46 V C57
2022-03-19 15:03:50 s 1 +25954.805 0 +375405.14 9710.0 C57
2022-03-19 15:13:50 S 11 09 42.878 +19 04 21.61 V C57
2022-03-19 15:13:50 s 1 +25564.954 0 +375426.21 9910.0 C57
2022-03-19 15:23:50 S 11 09 41.772 +19 04 23.59 V C57
2022-03-19 15:23:50 s 1 +25175.043 0 +375446.25 0.0 C57
2022-03-19 15:33:50 S 11 09 40.910 +19 04 27.44 V C57
2022-03-19 15:33:50 s 1 +24785.074 0 +375465.28 9970.0 C57
2022-03-19 15:43:50 S 11 09 40.087 +19 04 25.00 V C57
2022-03-19 15:43:50 s 1 +24395.047 0 +375483.30 9820.0 C57
2022-03-19 16:03:50 S 11 09 38.345 +19 04 29.10 V C57
2022-03-19 16:03:50 s 1 +23614.826 0 +375516.27 9130.0 C57
2022-03-19 16:13:50 S 11 09 37.733 +19 04 30.86 V C57
2022-03-19 16:13:50 s 1 +23224.634 0 +375531.24 8590.0 C57
2022-03-19 16:23:50 S 11 09 36.710 +19 04 29.35 V C57
2022-03-19 16:23:50 s 1 +22834.389 0 +375545.18 7900.0 C57
2022-03-19 16:33:50 S 11 09 35.890 +19 04 33.82 V C57
2022-03-19 16:33:50 s 1 +22444.091 0 +375558.11 7070.0 C57
2022-03-19 16:43:50 S 11 09 35.220 +19 04 35.76 V C57
2022-03-19 16:43:50 s 1 +22053.742 0 +375570.02 6100.0 C57
2022-03-19 16:53:50 S 11 09 34.358 +19 04 32.77 V C57
2022-03-19 16:53:50 s 1 +21663.344 0 +375580.92 4970.0 C57
2022-03-19 17:03:50 S 11 09 33.329 +19 04 39.90 V C57
2022-03-19 17:03:50 s 1 +21272.896 0 +375590.79 3670.0 C57
2022-03-19 17:13:50 S 11 09 32.335 +19 04 37.92 V C57
2022-03-19 17:13:50 s 1 +20882.400 0 +375599.65 2220.0 C57
2022-03-19 17:23:50 S 11 09 32.054 +19 04 36.59 V C57
2022-03-19 17:23:50 s 1 +20491.857 0 +375607.49 600.0 C57
2022-03-19 17:33:50 S 11 09 30.979 +19 04 39.18 V C57
2022-03-19 17:33:50 s 1 +20101.268 0 +375614.32 8800.0 C57
2022-03-19 17:43:50 S 11 09 30.230 +19 04 37.31 V C57
2022-03-19 17:43:50 s 1 +19710.634 0 +375620.12 6830.0 C57
2022-03-19 18:03:50 S 11 09 28.560 +19 04 39.29 V C57
2022-03-19 18:03:50 s 1 +18929.237 0 +375628.68 2340.0 C57
2022-03-19 18:13:50 S 11 09 27.461 +19 04 42.38 V C57
2022-03-19 18:13:50 s 1 +18538.475 0 +375631.43 9800.0 C57
2022-03-19 19:13:50 S 11 09 22.817 +19 04 51.42 V C57
2022-03-19 19:13:50 s 1 +16193.083 0 +375626.56 330.0 C57
2022-03-19 19:23:50 S 11 09 21.646 +19 04 50.77 V C57
2022-03-19 19:23:50 s 1 +15802.058 0 +375622.18 6330.0 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)