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 14:43:51 S 11 39 45.689 +17 51 17.28 – V C57
2022-03-04 14:43:51 s 1 +50846.527 0 +368592.58 3010.0 – C57
2022-03-04 14:53:51 S 11 39 44.544 +17 51 15.01 – V C57
2022-03-04 14:53:51 s 1 +50460.215 0 +368707.23 820.0 – C57
2022-03-04 15:03:51 S 11 39 44.246 +17 51 18.43 – V C57
2022-03-04 15:03:51 s 1 +50073.753 0 +368820.83 8390.0 – C57
2022-03-04 15:23:51 S 11 39 42.278 +17 51 25.49 – V C57
2022-03-04 15:23:51 s 1 +49300.388 0 +369044.92 2770.0 – C57
2022-03-04 15:33:51 S 11 39 41.777 +17 51 25.52 – V C57
2022-03-04 15:33:51 s 1 +48913.487 0 +369155.41 9610.0 – C57
2022-03-04 15:43:51 S 11 39 40.826 +17 51 30.85 – V C57
2022-03-04 15:43:51 s 1 +48526.442 0 +369264.86 6210.0 – C57
2022-03-04 15:53:51 S 11 39 40.267 +17 51 31.79 – V C57
2022-03-04 15:53:51 s 1 +48139.254 0 +369373.27 2580.0 – C57
2022-03-04 16:13:51 S 11 39 38.342 +17 51 37.51 – V C57
2022-03-04 16:13:51 s 1 +47364.453 0 +369586.99 4660.0 – C57
2022-03-04 16:23:51 S 11 39 37.654 +17 51 44.10 – V C57
2022-03-04 16:23:51 s 1 +46976.842 0 +369692.29 380.0 – C57
2022-03-04 16:33:51 S 11 39 36.821 +17 51 41.58 – V C57
2022-03-04 16:33:51 s 1 +46589.093 0 +369796.55 5890.0 – C57
2022-03-04 16:43:51 S 11 39 36.134 +17 51 46.84 – V C57
2022-03-04 16:43:51 s 1 +46201.206 0 +369899.78 1200.0 – C57
2022-03-04 16:53:51 S 11 39 35.292 +17 51 50.58 – V C57
2022-03-04 16:53:51 s 1 +45813.183 0 +370001.97 6310.0 – C57
2022-03-04 17:03:51 S 11 39 34.416 +17 51 50.98 – V C57
2022-03-04 17:03:51 s 1 +45425.026 0 +370103.13 1230.0 – C57
2022-03-04 17:13:51 S 11 39 33.631 +17 51 57.10 – V C57
2022-03-04 17:13:51 s 1 +45036.734 0 +370203.24 5960.0 – C57
2022-03-04 17:23:51 S 11 39 32.988 +17 51 59.40 – V C57
2022-03-04 17:23:51 s 1 +44648.309 0 +370302.33 510.0 – C57
2022-03-04 17:43:51 S 11 39 31.349 +17 52 00.12 – V C57
2022-03-04 17:43:51 s 1 +43871.065 0 +370497.38 9080.0 – C57
2022-03-04 18:03:51 S 11 39 29.870 +17 52 10.70 – V C57
2022-03-04 18:03:51 s 1 +43093.303 0 +370688.29 6970.0 – C57
2022-03-04 19:03:51 S 11 39 25.034 +17 52 24.49 – V C57
2022-03-04 19:03:51 s 1 +40757.000 0 +371236.17 7040.0 – C57
2022-03-04 19:23:51 S 11 39 23.280 +17 52 25.75 – V C57
2022-03-04 19:23:51 s 1 +39977.256 0 +371410.51 2650.0 – C57
2022-03-04 21:23:51 S 11 39 13.966 +17 53 03.52 – V C57
2022-03-04 21:23:51 s 1 +35289.164 0 +372369.66 7790.0 – C57
2022-03-04 21:33:51 S 11 39 12.770 +17 53 04.13 – V C57
2022-03-04 21:33:51 s 1 +34897.781 0 +372442.86 9380.0 – C57
2022-03-04 21:43:51 S 11 39 12.146 +17 53 02.62 – V C57
2022-03-04 21:43:51 s 1 +34506.294 0 +372515.04 920.0 – C57
2022-03-04 23:23:51 S 11 39 04.258 +17 53 34.91 – V C57
2022-03-04 23:23:51 s 1 +30585.952 0 +373179.93 5560.0 – C57
2022-03-04 23:33:51 S 11 39 03.451 +17 53 37.64 – V C57
2022-03-04 23:33:51 s 1 +30193.395 0 +373240.73 4290.0 – C57
2022-03-04 23:53:51 S 11 39 01.709 +17 53 43.15 – V C57
2022-03-04 23:53:51 s 1 +29408.009 0 +373359.25 1730.0 – 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)