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
2022-03-05 18:23:51 S 11 37 32.184 +17 58 38.14 – V C57
2022-03-05 18:23:51 s 1 -14487.940 0 +373463.38 4950.0 – C57
2022-03-05 18:33:51 S 11 37 31.279 +17 58 39.07 – V C57
2022-03-05 18:33:51 s 1 -14883.828 0 +373406.47 1930.0 – C57
2022-03-05 18:43:51 S 11 37 30.806 +17 58 40.33 – V C57
2022-03-05 18:43:51 s 1 -15279.683 0 +373348.51 8350.0 – C57
2022-03-05 18:53:51 S 11 37 29.580 +17 58 45.37 – V C57
2022-03-05 18:53:51 s 1 -15675.504 0 +373289.53 4210.0 – C57
2022-03-05 19:03:51 S 11 37 28.843 +17 58 44.69 – V C57
2022-03-05 19:03:51 s 1 -16071.288 0 +373229.50 9510.0 – C57
2022-03-05 19:13:51 S 11 37 28.200 +17 58 48.36 – V C57
2022-03-05 19:13:51 s 1 -16467.036 0 +373168.44 4220.0 – C57
2022-03-05 19:23:51 S 11 37 27.156 +17 58 55.67 – V C57
2022-03-05 19:23:51 s 1 -16862.746 0 +373106.35 8370.0 – C57
2022-03-05 19:33:51 S 11 37 26.602 +17 58 54.41 – V C57
2022-03-05 19:33:51 s 1 -17258.417 0 +373043.22 1920.0 – C57
2022-03-05 20:33:51 S 11 37 21.588 +17 59 10.97 – V C57
2022-03-05 20:33:51 s 1 -19631.562 0 +372642.66 750.0 – C57
2022-03-05 20:53:51 S 11 37 19.966 +17 59 15.79 – V C57
2022-03-05 20:53:51 s 1 -20422.247 0 +372500.84 8810.0 – C57
2022-03-05 21:03:51 S 11 37 19.123 +17 59 17.12 – V C57
2022-03-05 21:03:51 s 1 -20817.517 0 +372428.38 6890.0 – C57
2022-03-05 21:13:51 S 11 37 18.398 +17 59 20.58 – V C57
2022-03-05 21:13:51 s 1 -21212.737 0 +372354.88 4350.0 – C57
2022-03-05 21:23:51 S 11 37 17.609 +17 59 22.31 – V C57
2022-03-05 21:23:51 s 1 -21607.905 0 +372280.34 1170.0 – C57
2022-03-05 21:33:51 S 11 37 16.836 +17 59 26.52 – V C57
2022-03-05 21:33:51 s 1 -22003.022 0 +372204.76 7340.0 – C57
2022-03-05 21:43:51 S 11 37 15.874 +17 59 27.78 – V C57
2022-03-05 21:43:51 s 1 -22398.084 0 +372128.15 2870.0 – C57
2022-03-05 21:53:51 S 11 37 15.144 +17 59 31.13 – V C57
2022-03-05 21:53:51 s 1 -22793.092 0 +372050.50 7750.0 – C57
2022-03-05 22:03:51 S 11 37 14.340 +17 59 32.93 – V C57
2022-03-05 22:03:51 s 1 -23188.045 0 +371971.81 1970.0 – C57
2022-03-05 22:13:51 S 11 37 13.435 +17 59 37.25 – V C57
2022-03-05 22:13:51 s 1 -23582.940 0 +371892.08 5520.0 – C57
2022-03-05 22:23:51 S 11 37 12.626 +17 59 38.26 – V C57
2022-03-05 22:23:51 s 1 -23977.778 0 +371811.31 8410.0 – C57
2022-03-05 22:33:51 S 11 37 11.662 +17 59 39.98 – V C57
2022-03-05 22:33:51 s 1 -24372.556 0 +371729.50 620.0 – C57
2022-03-05 22:43:51 S 11 37 10.942 +17 59 45.13 – V C57
2022-03-05 22:43:51 s 1 -24767.274 0 +371646.66 2160.0 – C57
2022-03-05 22:53:51 S 11 37 10.082 +17 59 47.69 – V C57
2022-03-05 22:53:51 s 1 -25161.931 0 +371562.78 3020.0 – C57
2022-03-05 22:56:43 C 11 36 42.73 +17 59 48.0 – V G33
2022-03-05 23:00:11 C 11 36 42.45 +17 59 49.5 – V G33
2022-03-05 23:03:51 S 11 37 09.427 +17 59 48.44 – V C57
2022-03-05 23:03:51 s 1 -25556.526 0 +371477.86 3180.0 – C57
2022-03-05 23:04:00 C 11 36 42.12 +17 59 51.0 – V G33
2022-03-05 23:07:22 C 11 36 41.87 +17 59 51.3 – V G33
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)