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
2022-03-21 11:43:50 S 11 05 57.413 +19 08 48.41 V C57
2022-03-21 11:43:50 s 1 -77250.374 0 +344108.19 4890.0 C57
2022-03-21 11:53:50 S 11 05 56.494 +19 08 49.02 V C57
2022-03-21 11:53:50 s 1 -77616.874 0 +343849.02 6160.0 C57
2022-03-21 12:23:50 S 11 05 53.978 +19 08 53.12 V C57
2022-03-21 12:23:50 s 1 -78714.853 0 +343064.91 670.0 C57
2022-03-21 12:53:50 S 11 05 51.468 +19 08 55.14 V C57
2022-03-21 12:53:50 s 1 -79810.532 0 +342270.93 1130.0 C57
2022-03-21 13:23:50 S 11 05 48.826 +19 08 58.09 V C57
2022-03-21 13:23:50 s 1 -80904.792 0 +341467.37 9720.0 C57
2022-03-21 14:23:50 S 11 05 43.810 +19 08 57.98 V C57
2022-03-21 14:23:50 s 1 -83084.189 0 +339829.88 8420.0 C57
2022-03-21 14:33:50 S 11 05 42.941 +19 09 03.78 V C57
2022-03-21 14:33:50 s 1 -83446.467 0 +339553.10 4140.0 C57
2022-03-21 14:43:50 S 11 05 42.209 +19 09 01.51 V C57
2022-03-21 14:43:50 s 1 -83808.467 0 +339275.22 8200.0 C57
2022-03-21 14:53:50 S 11 05 41.438 +19 09 01.73 V C57
2022-03-21 14:53:50 s 1 -84170.190 0 +338996.24 590.0 C57
2022-03-21 15:03:50 S 11 05 40.274 +19 09 06.41 V C57
2022-03-21 15:03:50 s 1 -84531.632 0 +338716.14 1310.0 C57
2022-03-21 15:13:50 S 11 05 39.674 +19 09 05.29 V C57
2022-03-21 15:13:50 s 1 -84892.793 0 +338434.94 360.0 C57
2022-03-21 15:23:50 S 11 05 38.669 +19 09 06.26 V C57
2022-03-21 15:23:50 s 1 -85253.671 0 +338152.64 7710.0 C57
2022-03-21 15:33:50 S 11 05 37.848 +19 09 06.19 V C57
2022-03-21 15:33:50 s 1 -85614.264 0 +337869.22 3380.0 C57
2022-03-21 15:43:50 S 11 05 37.157 +19 09 08.06 V C57
2022-03-21 15:43:50 s 1 -85974.571 0 +337584.70 7340.0 C57
2022-03-21 15:53:50 S 11 05 36.182 +19 09 09.83 V C57
2022-03-21 15:53:50 s 1 -86334.590 0 +337299.07 9600.0 C57
2022-03-21 16:03:50 S 11 05 35.513 +19 09 09.36 V C57
2022-03-21 16:03:50 s 1 -86694.320 0 +337012.33 140.0 C57
2022-03-21 16:13:50 S 11 05 34.318 +19 09 09.25 V C57
2022-03-21 16:13:50 s 1 -87053.759 0 +336724.48 8960.0 C57
2022-03-21 16:23:50 S 11 05 33.598 +19 09 12.96 V C57
2022-03-21 16:23:50 s 1 -87412.905 0 +336435.52 6050.0 C57
2022-03-21 16:33:50 S 11 05 32.585 +19 09 12.64 V C57
2022-03-21 16:33:50 s 1 -87771.758 0 +336145.45 1410.0 C57
2022-03-21 16:43:50 S 11 05 31.824 +19 09 13.93 V C57
2022-03-21 16:43:50 s 1 -88130.315 0 +335854.26 5010.0 C57
2022-03-21 16:53:50 S 11 05 31.039 +19 09 12.31 V C57
2022-03-21 16:53:50 s 1 -88488.575 0 +335561.96 6870.0 C57
2022-03-21 17:03:50 S 11 05 30.151 +19 09 17.21 V C57
2022-03-21 17:03:50 s 1 -88846.536 0 +335268.55 6970.0 C57
2022-03-21 17:13:50 S 11 05 29.381 +19 09 15.16 V C57
2022-03-21 17:13:50 s 1 -89204.197 0 +334974.03 5300.0 C57
2022-03-21 18:03:50 S 11 05 25.008 +19 09 22.61 V C57
2022-03-21 18:03:50 s 1 -90987.941 0 +333484.69 200.0 C57
2022-03-21 18:43:50 S 11 05 21.509 +19 09 26.39 V C57
2022-03-21 18:43:50 s 1 -92409.366 0 +332273.10 9560.0 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)