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 22:43:50 S 11 07 03.509 +19 07 37.96 V C57
2022-03-20 22:43:50 s 1 -47998.140 0 +360988.64 5750.0 C57
2022-03-20 22:53:50 S 11 07 02.609 +19 07 37.34 V C57
2022-03-20 22:53:50 s 1 -48380.148 0 +360813.43 7910.0 C57
2022-03-20 23:03:50 S 11 07 01.829 +19 07 39.61 V C57
2022-03-20 23:03:50 s 1 -48762.007 0 +360637.17 9020.0 C57
2022-03-20 23:13:50 S 11 07 00.991 +19 07 41.48 V C57
2022-03-20 23:13:50 s 1 -49143.717 0 +360459.85 9060.0 C57
2022-03-20 23:43:50 S 11 06 58.243 +19 07 39.18 V C57
2022-03-20 23:43:50 s 1 -50287.930 0 +359921.52 2710.0 C57
2022-03-20 23:53:50 S 11 06 57.506 +19 07 42.78 V C57
2022-03-20 23:53:50 s 1 -50669.026 0 +359739.95 8420.0 C57
2022-03-21 00:13:50 S 11 06 55.730 +19 07 45.34 V C57
2022-03-21 00:13:50 s 1 -51430.748 0 +359373.64 6550.0 C57
2022-03-21 02:53:50 S 11 06 41.969 +19 08 02.26 V C57
2022-03-21 02:53:50 s 1 -57500.805 0 +356289.76 8090.0 C57
2022-03-21 03:03:50 S 11 06 41.453 +19 07 59.23 V C57
2022-03-21 03:03:50 s 1 -57878.715 0 +356087.94 1980.0 C57
2022-03-21 03:13:50 S 11 06 40.608 +19 08 07.30 V C57
2022-03-21 03:13:50 s 1 -58256.445 0 +355885.06 4650.0 C57
2022-03-21 03:23:50 S 11 06 39.936 +19 08 03.91 V C57
2022-03-21 03:23:50 s 1 -58633.993 0 +355681.10 6110.0 C57
2022-03-21 03:33:50 S 11 06 38.587 +19 08 03.37 V C57
2022-03-21 03:33:50 s 1 -59011.359 0 +355476.07 6350.0 C57
2022-03-21 03:43:50 S 11 06 38.138 +19 08 03.66 V C57
2022-03-21 03:43:50 s 1 -59388.540 0 +355269.98 5370.0 C57
2022-03-21 03:53:50 S 11 06 37.320 +19 08 05.35 V C57
2022-03-21 03:53:50 s 1 -59765.535 0 +355062.81 3150.0 C57
2022-03-21 04:03:50 S 11 06 36.422 +19 08 06.50 V C57
2022-03-21 04:03:50 s 1 -60142.344 0 +354854.56 9690.0 C57
2022-03-21 04:33:50 S 11 06 33.797 +19 08 13.96 V C57
2022-03-21 04:33:50 s 1 -61271.635 0 +354223.40 1840.0 C57
2022-03-21 04:53:50 S 11 06 32.191 +19 08 17.63 V C57
2022-03-21 04:53:50 s 1 -62023.538 0 +353797.25 3640.0 C57
2022-03-21 05:13:50 S 11 06 30.370 +19 08 16.66 V C57
2022-03-21 05:13:50 s 1 -62774.662 0 +353366.81 340.0 C57
2022-03-21 05:22:21 C 11 06 04.502 +19 08 12.70 V W68
2022-03-21 05:26:58 C 11 06 04.111 +19 08 12.73 V W68
2022-03-21 05:33:50 S 11 06 28.819 +19 08 19.61 V C57
2022-03-21 05:33:50 s 1 -63524.996 0 +352932.06 1890.0 C57
2022-03-21 05:36:13 C 11 06 03.358 +19 08 14.21 V W68
2022-03-21 05:50:45 C 11 06 02.117 +19 08 15.54 V W68
2022-03-21 05:53:50 S 11 06 27.026 +19 08 15.90 V C57
2022-03-21 05:53:50 s 1 -64274.530 0 +352493.00 8240.0 C57
2022-03-21 06:03:50 S 11 06 26.177 +19 08 19.68 V C57
2022-03-21 06:03:50 s 1 -64648.993 0 +352271.85 9450.0 C57
2022-03-21 06:13:50 S 11 06 25.306 +19 08 17.66 V C57
2022-03-21 06:13:50 s 1 -65023.253 0 +352049.63 9350.0 C57
2022-03-21 06:23:50 S 11 06 24.545 +19 08 18.35 V C57
2022-03-21 06:23:50 s 1 -65397.307 0 +351826.33 7920.0 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)