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 08:23:51 s 1 +65404.793 0 +363465.39 7930.0 – C57
2022-03-04 08:33:51 S 11 40 14.712 +17 49 32.63 – V C57
2022-03-04 08:33:51 s 1 +65024.990 0 +363619.60 9170.0 – C57
2022-03-04 10:23:51 S 11 40 06.106 +17 50 02.47 – V C57
2022-03-04 10:23:51 s 1 +60834.684 0 +365247.02 4260.0 – C57
2022-03-04 10:43:51 S 11 40 04.807 +17 50 08.05 – V C57
2022-03-04 10:43:51 s 1 +60070.423 0 +365529.36 6260.0 – C57
2022-03-04 10:53:51 S 11 40 03.876 +17 50 11.72 – V C57
2022-03-04 10:53:51 s 1 +59688.026 0 +365668.96 1680.0 – C57
2022-03-04 11:03:51 S 11 40 02.981 +17 50 12.73 – V C57
2022-03-04 11:03:51 s 1 +59305.452 0 +365807.52 6720.0 – C57
2022-03-04 11:13:51 S 11 40 02.266 +17 50 18.82 – V C57
2022-03-04 11:13:51 s 1 +58922.703 0 +365945.04 1400.0 – C57
2022-03-04 11:16:18 C 11 39 34.62 +17 50 13.3 – V T08
2022-03-04 11:21:44 C 11 39 34.17 +17 50 14.6 – V T08
2022-03-04 11:23:51 S 11 40 01.416 +17 50 21.62 – V C57
2022-03-04 11:23:51 s 1 +58539.779 0 +366081.52 5710.0 – C57
2022-03-04 11:33:51 S 11 40 00.578 +17 50 23.86 – V C57
2022-03-04 11:33:51 s 1 +58156.683 0 +366216.96 9660.0 – C57
2022-03-04 11:34:36 C 11 39 33.12 +17 50 18.1 – V T08
2022-03-04 11:43:51 S 11 39 59.914 +17 50 24.76 – V C57
2022-03-04 11:43:51 s 1 +57773.415 0 +366351.35 3250.0 – C57
2022-03-04 11:53:51 S 11 39 59.086 +17 50 29.36 – V C57
2022-03-04 11:53:51 s 1 +57389.976 0 +366484.70 6490.0 – C57
2022-03-04 12:03:51 S 11 39 58.198 +17 50 30.44 – V C57
2022-03-04 12:03:51 s 1 +57006.368 0 +366617.02 9390.0 – C57
2022-03-04 12:23:51 S 11 39 56.940 +17 50 35.41 – V C57
2022-03-04 12:23:51 s 1 +56238.647 0 +366878.52 4170.0 – C57
2022-03-04 12:43:51 S 11 39 55.133 +17 50 41.06 – V C57
2022-03-04 12:43:51 s 1 +55470.262 0 +367135.86 7630.0 – C57
2022-03-04 12:53:51 S 11 39 54.247 +17 50 40.96 – V C57
2022-03-04 12:53:51 s 1 +55085.824 0 +367262.97 8880.0 – C57
2022-03-04 13:03:51 S 11 39 53.335 +17 50 44.23 – V C57
2022-03-04 13:03:51 s 1 +54701.223 0 +367389.04 9820.0 – C57
2022-03-04 13:13:51 S 11 39 52.550 +17 50 47.98 – V C57
2022-03-04 13:13:51 s 1 +54316.461 0 +367514.08 440.0 – C57
2022-03-04 13:23:51 S 11 39 51.713 +17 50 51.22 – V C57
2022-03-04 13:23:51 s 1 +53931.538 0 +367638.07 760.0 – C57
2022-03-04 13:33:51 S 11 39 51.012 +17 50 54.06 – V C57
2022-03-04 13:33:51 s 1 +53546.456 0 +367761.02 790.0 – C57
2022-03-04 13:43:51 S 11 39 50.474 +17 51 02.56 – V C57
2022-03-04 13:43:51 s 1 +53161.217 0 +367882.93 520.0 – C57
2022-03-04 13:53:51 S 11 39 49.678 +17 50 59.14 – V C57
2022-03-04 13:53:51 s 1 +52775.821 0 +368003.80 9960.0 – C57
2022-03-04 14:03:51 S 11 39 48.634 +17 51 04.36 – V C57
2022-03-04 14:03:51 s 1 +52390.269 0 +368123.64 9110.0 – C57
2022-03-04 14:13:51 S 11 39 48.338 +17 51 06.98 – V C57
2022-03-04 14:13:51 s 1 +52004.562 0 +368242.43 7990.0 – C57
2022-03-04 14:23:51 S 11 39 47.275 +17 51 06.66 – V C57
2022-03-04 14:23:51 s 1 +51618.702 0 +368360.19 6600.0 – 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)