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
2022-03-20 16:53:50 S 11 07 32.952 +19 07 06.56 V C57
2022-03-20 16:53:50 s 1 -34543.410 0 +366456.03 4130.0 C57
2022-03-20 17:03:50 S 11 07 32.158 +19 07 06.13 V C57
2022-03-20 17:03:50 s 1 -34929.874 0 +366317.68 9970.0 C57
2022-03-20 17:23:50 S 11 07 30.444 +19 07 06.56 V C57
2022-03-20 17:23:50 s 1 -35702.478 0 +366037.85 9040.0 C57
2022-03-20 17:33:50 S 11 07 29.604 +19 07 07.75 V C57
2022-03-20 17:33:50 s 1 -36088.616 0 +365896.36 2260.0 C57
2022-03-20 17:43:50 S 11 07 28.790 +19 07 09.30 V C57
2022-03-20 17:43:50 s 1 -36474.644 0 +365753.82 4590.0 C57
2022-03-20 18:03:50 S 11 07 26.954 +19 07 10.96 V C57
2022-03-20 18:03:50 s 1 -37246.362 0 +365465.60 6570.0 C57
2022-03-20 18:13:50 S 11 07 26.383 +19 07 10.45 V C57
2022-03-20 18:13:50 s 1 -37632.050 0 +365319.92 6210.0 C57
2022-03-20 18:23:50 S 11 07 25.613 +19 07 10.02 V C57
2022-03-20 18:23:50 s 1 -38017.623 0 +365173.19 4950.0 C57
2022-03-20 18:33:50 S 11 07 24.739 +19 07 13.87 V C57
2022-03-20 18:33:50 s 1 -38403.080 0 +365025.40 2770.0 C57
2022-03-20 18:43:50 S 11 07 23.664 +19 07 17.18 V C57
2022-03-20 18:43:50 s 1 -38788.418 0 +364876.57 9670.0 C57
2022-03-20 18:53:50 S 11 07 22.838 +19 07 14.95 V C57
2022-03-20 18:53:50 s 1 -39173.638 0 +364726.69 5650.0 C57
2022-03-20 19:03:50 S 11 07 22.034 +19 07 18.44 V C57
2022-03-20 19:03:50 s 1 -39558.738 0 +364575.75 700.0 C57
2022-03-20 19:13:50 S 11 07 21.391 +19 07 14.34 V C57
2022-03-20 19:13:50 s 1 -39943.716 0 +364423.77 4820.0 C57
2022-03-20 19:23:50 S 11 07 20.366 +19 07 18.66 V C57
2022-03-20 19:23:50 s 1 -40328.572 0 +364270.73 8000.0 C57
2022-03-20 19:33:50 S 11 07 19.810 +19 07 20.57 V C57
2022-03-20 19:33:50 s 1 -40713.304 0 +364116.65 230.0 C57
2022-03-20 20:53:50 S 11 07 12.845 +19 07 24.49 V C57
2022-03-20 20:53:50 s 1 -43786.569 0 +362846.03 3410.0 C57
2022-03-20 21:03:50 S 11 07 11.830 +19 07 29.46 V C57
2022-03-20 21:03:50 s 1 -44170.136 0 +362682.46 6890.0 C57
2022-03-20 21:23:50 S 11 07 10.246 +19 07 30.79 V C57
2022-03-20 21:23:50 s 1 -44936.860 0 +362352.15 840.0 C57
2022-03-20 21:33:50 S 11 07 09.077 +19 07 31.04 V C57
2022-03-20 21:33:50 s 1 -45320.015 0 +362185.41 1300.0 C57
2022-03-20 21:43:50 S 11 07 08.477 +19 07 34.54 V C57
2022-03-20 21:43:50 s 1 -45703.032 0 +362017.62 750.0 C57
2022-03-20 21:53:50 S 11 07 07.610 +19 07 34.00 V C57
2022-03-20 21:53:50 s 1 -46085.908 0 +361848.76 9170.0 C57
2022-03-20 22:03:50 S 11 07 06.694 +19 07 34.57 V C57
2022-03-20 22:03:50 s 1 -46468.643 0 +361678.85 6560.0 C57
2022-03-20 22:13:50 S 11 07 06.108 +19 07 36.19 V C57
2022-03-20 22:13:50 s 1 -46851.234 0 +361507.89 2920.0 C57
2022-03-20 22:23:50 S 11 07 05.160 +19 07 35.47 V C57
2022-03-20 22:23:50 s 1 -47233.682 0 +361335.86 8250.0 C57
2022-03-20 22:33:50 S 11 07 04.214 +19 07 35.58 V C57
2022-03-20 22:33:50 s 1 -47615.984 0 +361162.78 2520.0 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)