IAA RAS IAA Minor Planet Database

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 04:43:50 S 11 08 34.663 +19 05 49.45 – V C57
2022-03-20 04:53:50 S 11 08 33.864 +19 05 51.54 – V C57
2022-03-20 05:13:50 S 11 08 32.090 +19 05 54.89 – V C57
2022-03-20 05:33:50 S 11 08 30.302 +19 05 53.05 – V C57
2022-03-20 05:43:50 S 11 08 29.762 +19 05 55.86 – V C57
2022-03-20 05:53:50 S 11 08 28.632 +19 05 58.99 – V C57
2022-03-20 06:03:50 S 11 08 27.926 +19 05 59.35 – V C57
2022-03-20 06:13:50 S 11 08 27.103 +19 06 00.25 – V C57
2022-03-20 06:23:50 S 11 08 26.227 +19 05 56.54 – V C57
2022-03-20 06:23:50 s 1 -10029.502 0 +373073.99 440.0 – C57
2022-03-20 06:33:50 S 11 08 25.200 +19 05 58.60 – V C57
2022-03-20 06:33:50 s 1 -10420.451 0 +373001.02 650.0 – C57
2022-03-20 07:13:50 S 11 08 21.958 +19 06 03.89 – V C57
2022-03-20 07:13:50 s 1 -11983.869 0 +372698.86 5940.0 – C57
2022-03-20 07:23:50 S 11 08 21.458 +19 06 06.70 – V C57
2022-03-20 07:23:50 s 1 -12374.622 0 +372620.74 3350.0 – C57
2022-03-20 07:43:50 S 11 08 19.351 +19 06 10.73 – V C57
2022-03-20 07:43:50 s 1 -13156.000 0 +372461.41 6450.0 – C57
2022-03-20 07:53:50 S 11 08 18.653 +19 06 10.55 – V C57
2022-03-20 07:53:50 s 1 -13546.622 0 +372380.20 2130.0 – C57
2022-03-20 08:03:50 S 11 08 17.933 +19 06 13.03 – V C57
2022-03-20 08:03:50 s 1 -13937.199 0 +372297.96 7230.0 – C57
2022-03-20 08:13:50 S 11 08 16.738 +19 06 14.90 – V C57
2022-03-20 08:13:50 s 1 -14327.729 0 +372214.69 1730.0 – C57
2022-03-20 08:23:50 S 11 08 16.099 +19 06 11.95 – V C57
2022-03-20 08:23:50 s 1 -14718.210 0 +372130.38 5630.0 – C57
2022-03-20 08:33:50 S 11 08 15.180 +19 06 13.50 – V C57
2022-03-20 08:33:50 s 1 -15108.643 0 +372045.04 8930.0 – C57
2022-03-20 08:43:50 S 11 08 14.549 +19 06 16.02 – V C57
2022-03-20 08:43:50 s 1 -15499.026 0 +371958.67 1620.0 – C57
2022-03-20 09:03:50 S 11 08 12.878 +19 06 17.68 – V C57
2022-03-20 09:03:50 s 1 -16279.636 0 +371782.83 5160.0 – C57
2022-03-20 09:13:50 S 11 08 11.870 +19 06 20.81 – V C57
2022-03-20 09:13:50 s 1 -16669.862 0 +371693.36 6000.0 – C57
2022-03-20 09:33:50 S 11 08 10.378 +19 06 21.06 – V C57
2022-03-20 09:33:50 s 1 -17450.149 0 +371511.31 5790.0 – C57
2022-03-20 09:43:50 S 11 08 09.278 +19 06 20.56 – V C57
2022-03-20 09:43:50 s 1 -17840.208 0 +371418.74 4730.0 – C57
2022-03-20 09:53:50 S 11 08 08.566 +19 06 22.46 – V C57
2022-03-20 09:53:50 s 1 -18230.209 0 +371325.13 3030.0 – C57
2022-03-20 10:03:50 S 11 08 07.610 +19 06 23.40 – V C57
2022-03-20 10:03:50 s 1 -18620.151 0 +371230.49 680.0 – C57
2022-03-20 10:13:50 S 11 08 06.857 +19 06 21.78 – V C57
2022-03-20 10:13:50 s 1 -19010.034 0 +371134.81 7680.0 – C57
2022-03-20 10:23:50 S 11 08 06.094 +19 06 30.46 – V C57
2022-03-20 10:23:50 s 1 -19399.855 0 +371038.10 4020.0 – C57
2022-03-20 10:33:50 S 11 08 05.119 +19 06 23.44 – V C57
2022-03-20 10:33:50 s 1 -19789.614 0 +370940.36 9700.0 – C57
2022-03-20 10:43:50 S 11 08 04.133 +19 06 26.35 – V C57
2022-03-20 10:43:50 s 1 -20179.310 0 +370841.57 4710.0 – 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)