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
2022-03-09 00:53:51 S 11 30 53.405 +18 18 10.62 V C57
2022-03-09 00:53:51 s 1 -173964.50 3 +227118.80 8120.0 C57
2022-03-09 01:03:51 S 11 30 52.757 +18 18 09.25 V C57
2022-03-09 01:03:51 s 1 -174178.32 4 +226536.89 8720.0 C57
2022-03-09 01:13:51 S 11 30 51.346 +18 18 15.12 V C57
2022-03-09 01:13:51 s 1 -174391.20 1 +225953.74 4700.0 C57
2022-03-09 01:23:51 S 11 30 50.851 +18 18 13.46 V C57
2022-03-09 01:23:51 s 1 -174603.13 0 +225369.35 6040.0 C57
2022-03-09 01:33:51 S 11 30 50.314 +18 18 21.82 V C57
2022-03-09 01:33:51 s 1 -174814.10 8 +224783.73 2720.0 C57
2022-03-09 01:53:51 S 11 30 48.029 +18 18 25.70 V C57
2022-03-09 01:53:51 s 1 -175233.19 2 +223608.78 2060.0 C57
2022-03-09 02:03:51 S 11 30 47.431 +18 18 26.03 V C57
2022-03-09 02:03:51 s 1 -175441.29 0 +223019.45 4680.0 C57
2022-03-09 02:13:51 S 11 30 46.678 +18 18 29.23 V C57
2022-03-09 02:13:51 s 1 -175648.42 0 +222428.88 2570.0 C57
2022-03-09 02:23:51 S 11 30 45.511 +18 18 32.15 V C57
2022-03-09 02:23:51 s 1 -175854.57 8 +221837.08 5710.0 C57
2022-03-09 02:33:51 S 11 30 44.784 +18 18 32.62 V C57
2022-03-09 02:33:51 s 1 -176059.76 0 +221244.03 4090.0 C57
2022-03-09 02:43:51 S 11 30 43.870 +18 18 35.93 V C57
2022-03-09 02:43:51 s 1 -176263.96 1 +220649.75 7690.0 C57
2022-03-09 02:53:51 S 11 30 42.725 +18 18 37.30 V C57
2022-03-09 02:53:51 s 1 -176467.17 8 +220054.23 6490.0 C57
2022-03-09 03:03:51 S 11 30 42.034 +18 18 42.01 V C57
2022-03-09 03:03:51 s 1 -176669.40 6 +219457.47 470.0 C57
2022-03-09 03:13:51 S 11 30 41.071 +18 18 42.44 V C57
2022-03-09 03:13:51 s 1 -176870.64 1 +218859.47 9610.0 C57
2022-03-09 03:23:51 S 11 30 40.373 +18 18 47.66 V C57
2022-03-09 03:23:51 s 1 -177070.87 9 +218260.23 3900.0 C57
2022-03-09 03:33:51 S 11 30 39.463 +18 18 49.39 V C57
2022-03-09 03:33:51 s 1 -177270.11 5 +217659.74 3320.0 C57
2022-03-09 03:43:51 S 11 30 38.638 +18 18 51.12 V C57
2022-03-09 03:43:51 s 1 -177468.34 6 +217058.02 7840.0 C57
2022-03-09 03:53:51 S 11 30 37.750 +18 18 52.06 V C57
2022-03-09 03:53:51 s 1 -177665.56 7 +216455.05 7440.0 C57
2022-03-09 04:03:51 S 11 30 36.866 +18 18 57.42 V C57
2022-03-09 04:03:51 s 1 -177861.77 3 +215850.85 2120.0 C57
2022-03-09 04:13:51 S 11 30 35.837 +18 18 57.92 V C57
2022-03-09 04:13:51 s 1 -178056.96 0 +215245.40 1840.0 C57
2022-03-09 04:23:51 S 11 30 35.114 +18 19 00.55 V C57
2022-03-09 04:23:51 s 1 -178251.12 4 +214638.70 6600.0 C57
2022-03-09 04:33:51 S 11 30 33.991 +18 19 02.35 V C57
2022-03-09 04:33:51 s 1 -178444.26 1 +214030.77 6360.0 C57
2022-03-09 04:43:51 S 11 30 33.324 +18 19 08.15 V C57
2022-03-09 04:43:51 s 1 -178636.36 6 +213421.58 1120.0 C57
2022-03-09 04:53:51 S 11 30 32.537 +18 19 06.53 V C57
2022-03-09 04:53:51 s 1 -178827.43 5 +212811.16 850.0 C57
2022-03-09 05:13:51 S 11 30 30.511 +18 19 10.02 V C57
2022-03-09 05:13:51 s 1 -179206.44 6 +211586.57 5140.0 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)