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 05:43:51 S 11 28 19.889 +18 24 49.10 V C57
2022-03-10 05:43:51 s 1 -192652.91 9 +107924.43 4760.0 C57
2022-03-10 05:53:51 S 11 28 19.174 +18 24 52.67 V C57
2022-03-10 05:53:51 s 1 -192622.10 4 +107128.94 9440.0 C57
2022-03-10 06:03:51 S 11 28 18.134 +18 24 50.80 V C57
2022-03-10 06:03:51 s 1 -192589.22 5 +106332.30 4630.0 C57
2022-03-10 06:13:50 S 11 28 17.297 +18 24 57.17 V C57
2022-03-10 06:13:50 s 1 -192554.27 2 +105534.52 270.0 C57
2022-03-10 06:23:51 S 11 28 16.553 +18 24 57.24 V C57
2022-03-10 06:23:51 s 1 -192517.23 5 +104735.59 6320.0 C57
2022-03-10 06:33:51 S 11 28 15.346 +18 25 02.35 V C57
2022-03-10 06:33:51 s 1 -192478.10 4 +103935.52 2740.0 C57
2022-03-10 06:43:51 S 11 28 14.717 +18 25 03.47 V C57
2022-03-10 06:43:51 s 1 -192436.86 8 +103134.31 9490.0 C57
2022-03-10 07:03:51 S 11 28 12.900 +18 25 09.62 V C57
2022-03-10 07:03:51 s 1 -192348.04 1 +101528.49 3790.0 C57
2022-03-10 07:33:51 S 11 28 10.212 +18 25 13.94 V C57
2022-03-10 07:33:51 s 1 -192198.75 4 +99111.309 6550.0 C57
2022-03-10 07:43:50 S 11 28 09.000 +18 25 17.47 V C57
2022-03-10 07:43:50 s 1 -192144.67 0 +98303.336 4310.0 C57
2022-03-10 07:53:27 C 11 28 03.34 +18 25 39.0 V T05
2022-03-10 07:53:51 S 11 28 08.318 +18 25 20.35 V C57
2022-03-10 07:53:51 s 1 -192088.40 7 +97494.247 2080.0 C57
2022-03-10 07:58:04 C 11 28 02.95 +18 25 39.8 V T05
2022-03-10 08:02:43 C 11 28 02.55 +18 25 40.8 V T05
2022-03-10 08:03:51 S 11 28 07.262 +18 25 19.09 V C57
2022-03-10 08:03:51 s 1 -192029.95 5 +96684.046 9820.0 C57
2022-03-10 08:13:51 S 11 28 06.583 +18 25 22.33 V C57
2022-03-10 08:13:51 s 1 -191969.30 3 +95872.734 7470.0 C57
2022-03-10 08:13:58 C 11 28 01.60 +18 25 43.4 V T05
2022-03-10 08:23:51 S 11 28 05.719 +18 25 25.68 V C57
2022-03-10 08:23:51 s 1 -191906.43 9 +95060.317 4990.0 C57
2022-03-10 08:33:51 S 11 28 04.675 +18 25 27.77 V C57
2022-03-10 08:33:51 s 1 -191841.35 3 +94246.798 2330.0 C57
2022-03-10 08:43:51 S 11 28 03.799 +18 25 29.78 V C57
2022-03-10 08:43:51 s 1 -191774.03 4 +93432.180 9450.0 C57
2022-03-10 08:53:51 S 11 28 02.897 +18 25 31.98 V C57
2022-03-10 08:53:51 s 1 -191704.47 0 +92616.467 6300.0 C57
2022-03-10 09:03:51 S 11 28 01.870 +18 25 33.82 V C57
2022-03-10 09:03:51 s 1 -191632.65 1 +91799.663 2820.0 C57
2022-03-10 09:13:50 S 11 28 01.205 +18 25 36.95 V C57
2022-03-10 09:13:50 s 1 -191558.56 4 +90981.771 8990.0 C57
2022-03-10 09:23:51 S 11 28 00.050 +18 25 40.04 V C57
2022-03-10 09:23:51 s 1 -191482.19 9 +90162.796 4730.0 C57
2022-03-10 09:33:51 S 11 27 59.256 +18 25 40.91 V C57
2022-03-10 09:33:51 s 1 -191403.54 5 +89342.741 10.0 C57
2022-03-10 09:43:51 S 11 27 58.368 +18 25 44.83 V C57
2022-03-10 09:43:51 s 1 -191322.58 9 +88521.611 4780.0 C57
2022-03-10 09:53:51 S 11 27 57.662 +18 25 47.21 V C57
2022-03-10 09:53:51 s 1 -191239.32 1 +87699.409 8990.0 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)