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
2022-03-10 01:33:51 S 11 28 42.173 +18 23 54.10 V C57
2022-03-10 01:33:51 s 1 -192781.08 5 +127430.93 2790.0 C57
2022-03-10 01:43:51 S 11 28 41.402 +18 23 57.73 V C57
2022-03-10 01:43:51 s 1 -192798.73 3 +126664.94 1510.0 C57
2022-03-10 01:53:51 S 11 28 40.560 +18 23 57.52 V C57
2022-03-10 01:53:51 s 1 -192814.55 3 +125897.75 1740.0 C57
2022-03-10 02:03:51 S 11 28 39.631 +18 24 01.12 V C57
2022-03-10 02:03:51 s 1 -192828.53 5 +125129.35 3450.0 C57
2022-03-10 02:13:51 S 11 28 38.671 +18 24 04.32 V C57
2022-03-10 02:13:51 s 1 -192840.67 2 +124359.75 6590.0 C57
2022-03-10 02:23:51 S 11 28 37.848 +18 24 03.67 V C57
2022-03-10 02:23:51 s 1 -192850.95 3 +123588.96 1140.0 C57
2022-03-10 02:33:51 S 11 28 37.104 +18 24 08.64 V C57
2022-03-10 02:33:51 s 1 -192859.37 1 +122816.97 7040.0 C57
2022-03-10 02:43:51 S 11 28 36.158 +18 24 14.26 V C57
2022-03-10 02:43:51 s 1 -192865.91 5 +122043.78 4260.0 C57
2022-03-10 02:53:51 S 11 28 35.215 +18 24 09.86 V C57
2022-03-10 02:53:51 s 1 -192870.57 8 +121269.40 2760.0 C57
2022-03-10 03:03:51 S 11 28 34.483 +18 24 16.99 V C57
2022-03-10 03:03:51 s 1 -192873.35 0 +120493.83 2510.0 C57
2022-03-10 03:13:51 S 11 28 33.737 +18 24 16.42 V C57
2022-03-10 03:13:51 s 1 -192874.22 2 +119717.07 3460.0 C57
2022-03-10 03:23:51 S 11 28 32.750 +18 24 17.89 V C57
2022-03-10 03:23:51 s 1 -192873.18 5 +118939.13 5580.0 C57
2022-03-10 03:33:51 S 11 28 31.776 +18 24 21.42 V C57
2022-03-10 03:33:51 s 1 -192870.22 9 +118160.00 8820.0 C57
2022-03-10 03:43:51 S 11 28 30.770 +18 24 22.25 V C57
2022-03-10 03:43:51 s 1 -192865.34 5 +117379.68 3140.0 C57
2022-03-10 03:53:51 S 11 28 29.806 +18 24 26.68 V C57
2022-03-10 03:53:51 s 1 -192858.52 5 +116598.19 8510.0 C57
2022-03-10 04:03:51 S 11 28 28.682 +18 24 27.83 V C57
2022-03-10 04:03:51 s 1 -192849.75 7 +115815.51 4880.0 C57
2022-03-10 04:13:51 S 11 28 28.070 +18 24 30.64 V C57
2022-03-10 04:13:51 s 1 -192839.03 4 +115031.66 2220.0 C57
2022-03-10 04:23:51 S 11 28 27.125 +18 24 31.75 V C57
2022-03-10 04:23:51 s 1 -192826.34 6 +114246.63 480.0 C57
2022-03-10 04:33:51 S 11 28 26.352 +18 24 35.68 V C57
2022-03-10 04:33:51 s 1 -192811.68 2 +113460.43 9620.0 C57
2022-03-10 04:43:51 S 11 28 25.406 +18 24 37.44 V C57
2022-03-10 04:43:51 s 1 -192795.03 4 +112673.07 9600.0 C57
2022-03-10 04:53:51 S 11 28 24.439 +18 24 40.57 V C57
2022-03-10 04:53:51 s 1 -192776.39 1 +111884.53 370.0 C57
2022-03-10 05:03:51 S 11 28 23.573 +18 24 41.00 V C57
2022-03-10 05:03:51 s 1 -192755.74 4 +111094.83 1910.0 C57
2022-03-10 05:13:51 S 11 28 22.694 +18 24 40.32 V C57
2022-03-10 05:13:51 s 1 -192733.08 3 +110303.97 4160.0 C57
2022-03-10 05:23:51 S 11 28 21.749 +18 24 45.25 V C57
2022-03-10 05:23:51 s 1 -192708.39 9 +109511.94 7080.0 C57
2022-03-10 05:33:51 S 11 28 20.820 +18 24 48.10 V C57
2022-03-10 05:33:51 s 1 -192681.68 1 +108718.76 630.0 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)