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
2022-03-04 03:43:51 s 1 +75955.961 0 +358722.46 9080.0 – C57
2022-03-04 03:53:51 S 11 40 36.804 +17 48 14.80 – V C57
2022-03-04 03:53:51 s 1 +75582.057 0 +358906.01 5080.0 – C57
2022-03-04 04:03:51 S 11 40 36.070 +17 48 19.04 – V C57
2022-03-04 04:03:51 s 1 +75207.926 0 +359088.51 480.0 – C57
2022-03-04 04:13:51 S 11 40 35.302 +17 48 23.72 – V C57
2022-03-04 04:13:51 s 1 +74833.568 0 +359269.95 5290.0 – C57
2022-03-04 04:23:51 S 11 40 34.639 +17 48 25.13 – V C57
2022-03-04 04:23:51 s 1 +74458.987 0 +359450.35 9500.0 – C57
2022-03-04 04:33:51 S 11 40 33.830 +17 48 26.96 – V C57
2022-03-04 04:33:51 s 1 +74084.181 0 +359629.70 3130.0 – C57
2022-03-04 04:43:51 S 11 40 32.990 +17 48 29.92 – V C57
2022-03-04 04:43:51 s 1 +73709.153 0 +359808.00 6190.0 – C57
2022-03-04 04:53:51 S 11 40 32.081 +17 48 32.80 – V C57
2022-03-04 04:53:51 s 1 +73333.905 0 +359985.25 8660.0 – C57
2022-03-04 05:13:51 S 11 40 30.662 +17 48 39.31 – V C57
2022-03-04 05:13:51 s 1 +72582.749 0 +360336.60 1930.0 – C57
2022-03-04 05:23:51 S 11 40 29.714 +17 48 37.69 – V C57
2022-03-04 05:23:51 s 1 +72206.845 0 +360510.70 2720.0 – C57
2022-03-04 05:53:51 S 11 40 27.156 +17 48 48.28 – V C57
2022-03-04 05:53:51 s 1 +71077.839 0 +361026.71 1810.0 – C57
2022-03-04 06:03:51 S 11 40 26.911 +17 48 53.17 – V C57
2022-03-04 06:03:51 s 1 +70701.078 0 +361196.61 430.0 – C57
2022-03-04 06:13:51 S 11 40 25.973 +17 48 58.14 – V C57
2022-03-04 06:13:51 s 1 +70324.105 0 +361365.47 8520.0 – C57
2022-03-04 06:23:51 S 11 40 25.015 +17 49 01.74 – V C57
2022-03-04 06:23:51 s 1 +69946.922 0 +361533.28 6090.0 – C57
2022-03-04 06:33:51 S 11 40 24.410 +17 49 01.60 – V C57
2022-03-04 06:33:51 s 1 +69569.531 0 +361700.05 3130.0 – C57
2022-03-04 06:43:51 S 11 40 23.498 +17 49 00.55 – V C57
2022-03-04 06:43:51 s 1 +69191.932 0 +361865.77 9660.0 – C57
2022-03-04 06:53:51 S 11 40 22.894 +17 49 05.81 – V C57
2022-03-04 06:53:51 s 1 +68814.127 0 +362030.44 5690.0 – C57
2022-03-04 07:03:51 S 11 40 21.859 +17 49 09.08 – V C57
2022-03-04 07:03:51 s 1 +68436.116 0 +362194.06 1210.0 – C57
2022-03-04 07:13:51 S 11 40 20.930 +17 49 09.84 – V C57
2022-03-04 07:13:51 s 1 +68057.902 0 +362356.64 6240.0 – C57
2022-03-04 07:23:51 S 11 40 20.400 +17 49 15.92 – V C57
2022-03-04 07:23:51 s 1 +67679.485 0 +362518.17 770.0 – C57
2022-03-04 07:33:51 S 11 40 19.514 +17 49 16.61 – V C57
2022-03-04 07:33:51 s 1 +67300.866 0 +362678.65 4810.0 – C57
2022-03-04 07:43:51 S 11 40 18.842 +17 49 19.96 – V C57
2022-03-04 07:43:51 s 1 +66922.047 0 +362838.09 8380.0 – C57
2022-03-04 07:53:51 S 11 40 17.990 +17 49 23.02 – V C57
2022-03-04 07:53:51 s 1 +66543.029 0 +362996.48 1470.0 – C57
2022-03-04 08:03:51 S 11 40 17.172 +17 49 23.70 – V C57
2022-03-04 08:03:51 s 1 +66163.813 0 +363153.83 4080.0 – C57
2022-03-04 08:13:51 S 11 40 16.286 +17 49 26.15 – V C57
2022-03-04 08:13:51 s 1 +65784.401 0 +363310.13 6240.0 – C57
2022-03-04 08:23:51 S 11 40 15.725 +17 49 31.40 – V 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)