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
2022-03-08 10:53:51 S 11 32 06.799 +18 14 49.52 V C57
2022-03-08 10:53:51 s 1 -153006.26 5 +271648.15 6390.0 C57
2022-03-08 11:03:51 S 11 32 05.693 +18 14 51.86 V C57
2022-03-08 11:03:51 s 1 -153286.76 6 +271167.96 9120.0 C57
2022-03-08 11:23:51 S 11 32 04.018 +18 14 59.10 V C57
2022-03-08 11:23:51 s 1 -153845.77 2 +270204.01 4450.0 C57
2022-03-08 11:33:51 S 11 32 03.127 +18 15 01.04 V C57
2022-03-08 11:33:51 s 1 -154124.27 1 +269720.25 7010.0 C57
2022-03-08 11:43:51 S 11 32 02.546 +18 15 02.52 V C57
2022-03-08 11:43:51 s 1 -154402.09 8 +269235.31 6160.0 C57
2022-03-08 11:53:51 S 11 32 01.440 +18 15 03.13 V C57
2022-03-08 11:53:51 s 1 -154679.25 0 +268749.17 1880.0 C57
2022-03-08 12:13:51 S 11 31 59.981 +18 15 12.49 V C57
2022-03-08 12:13:51 s 1 -155231.51 5 +267773.34 2980.0 C57
2022-03-08 12:33:51 S 11 31 57.826 +18 15 11.88 V C57
2022-03-08 12:33:51 s 1 -155781.04 5 +266792.74 220.0 C57
2022-03-08 12:53:51 S 11 31 56.194 +18 15 21.89 V C57
2022-03-08 12:53:51 s 1 -156327.81 6 +265807.37 3500.0 C57
2022-03-08 13:00:06 C 11 31 37.20 +18 15 37.8 V T08
2022-03-08 13:13:30 C 11 31 36.01 +18 15 40.4 V T08
2022-03-08 13:13:51 S 11 31 54.485 +18 15 22.32 V C57
2022-03-08 13:13:51 s 1 -156871.80 5 +264817.23 2710.0 C57
2022-03-08 13:21:31 C 11 31 35.35 +18 15 42.2 V T08
2022-03-08 13:23:51 S 11 31 53.827 +18 15 25.52 V C57
2022-03-08 13:23:51 s 1 -157142.75 0 +264320.37 7010.0 C57
2022-03-08 13:32:43 C 11 31 34.42 +18 15 45.2 V T08
2022-03-08 13:33:51 S 11 31 52.910 +18 15 29.45 V C57
2022-03-08 13:33:51 s 1 -157412.99 0 +263822.32 7760.0 C57
2022-03-08 13:43:51 S 11 31 51.886 +18 15 32.33 V C57
2022-03-08 13:43:51 s 1 -157682.52 3 +263323.06 4930.0 C57
2022-03-08 13:53:51 S 11 31 51.120 +18 15 34.99 V C57
2022-03-08 13:53:51 s 1 -157951.34 6 +262822.62 8520.0 C57
2022-03-08 14:03:51 S 11 31 50.110 +18 15 36.25 V C57
2022-03-08 14:03:51 s 1 -158219.45 6 +262320.97 8520.0 C57
2022-03-08 14:13:51 S 11 31 49.368 +18 15 40.43 V C57
2022-03-08 14:13:51 s 1 -158486.85 0 +261818.13 4910.0 C57
2022-03-08 14:23:51 S 11 31 48.286 +18 15 39.13 V C57
2022-03-08 14:23:51 s 1 -158753.52 5 +261314.09 7670.0 C57
2022-03-08 14:33:51 S 11 31 47.602 +18 15 42.84 V C57
2022-03-08 14:33:51 s 1 -159019.47 8 +260808.85 6810.0 C57
2022-03-08 14:43:51 S 11 31 46.704 +18 15 45.86 V C57
2022-03-08 14:43:51 s 1 -159284.70 6 +260302.41 2290.0 C57
2022-03-08 15:23:51 S 11 31 43.265 +18 15 57.78 V C57
2022-03-08 15:23:51 s 1 -160338.30 9 +258264.66 7470.0 C57
2022-03-08 15:33:51 S 11 31 42.511 +18 15 57.71 V C57
2022-03-08 15:33:51 s 1 -160599.86 6 +257752.22 4510.0 C57
2022-03-08 15:43:51 S 11 31 41.410 +18 15 59.40 V C57
2022-03-08 15:43:51 s 1 -160860.68 1 +257238.57 7820.0 C57
2022-03-08 15:53:51 S 11 31 40.680 +18 16 04.84 V C57
2022-03-08 15:53:51 s 1 -161120.74 9 +256723.72 7390.0 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)