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 05:53:51 S 11 32 32.630 +18 13 38.14 V C57
2022-03-08 05:53:51 s 1 -144295.67 2 +285505.28 2880.0 C57
2022-03-08 06:03:51 S 11 32 31.548 +18 13 40.37 V C57
2022-03-08 06:03:51 s 1 -144594.86 4 +285060.40 1450.0 C57
2022-03-08 06:13:51 S 11 32 30.938 +18 13 42.38 V C57
2022-03-08 06:13:51 s 1 -144893.47 0 +284614.35 6980.0 C57
2022-03-08 06:23:51 S 11 32 30.043 +18 13 44.40 V C57
2022-03-08 06:23:51 s 1 -145191.48 7 +284167.13 9480.0 C57
2022-03-08 06:33:51 S 11 32 29.215 +18 13 48.58 V C57
2022-03-08 06:33:51 s 1 -145488.91 4 +283718.75 8920.0 C57
2022-03-08 06:43:51 S 11 32 28.553 +18 13 50.81 V C57
2022-03-08 06:43:51 s 1 -145785.74 8 +283269.19 5310.0 C57
2022-03-08 06:53:51 S 11 32 27.686 +18 13 52.68 V C57
2022-03-08 06:53:51 s 1 -146081.98 5 +282818.46 8620.0 C57
2022-03-08 07:03:51 S 11 32 26.827 +18 13 57.76 V C57
2022-03-08 07:03:51 s 1 -146377.62 4 +282366.56 8840.0 C57
2022-03-08 07:53:51 S 11 32 22.488 +18 14 12.77 V C57
2022-03-08 07:53:51 s 1 -147846.75 6 +280089.46 3310.0 C57
2022-03-08 08:33:51 S 11 32 18.871 +18 14 18.46 V C57
2022-03-08 08:33:51 s 1 -149011.03 2 +278246.64 210.0 C57
2022-03-08 08:43:51 S 11 32 17.866 +18 14 17.88 V C57
2022-03-08 08:43:51 s 1 -149300.54 8 +277782.99 8970.0 C57
2022-03-08 08:53:51 S 11 32 17.014 +18 14 20.54 V C57
2022-03-08 08:53:51 s 1 -149589.43 7 +277318.17 4510.0 C57
2022-03-08 09:03:51 S 11 32 16.507 +18 14 25.22 V C57
2022-03-08 09:03:51 s 1 -149877.69 6 +276852.16 6840.0 C57
2022-03-08 09:13:51 S 11 32 15.336 +18 14 24.47 V C57
2022-03-08 09:13:51 s 1 -150165.32 4 +276384.98 5930.0 C57
2022-03-08 09:23:51 S 11 32 14.450 +18 14 27.24 V C57
2022-03-08 09:23:51 s 1 -150452.31 8 +275916.62 1780.0 C57
2022-03-08 09:33:51 S 11 32 13.546 +18 14 27.46 V C57
2022-03-08 09:33:51 s 1 -150738.67 4 +275447.07 4370.0 C57
2022-03-08 09:41:29 C 11 31 54.00 +18 14 49.2 V T05
2022-03-08 09:43:51 S 11 32 12.713 +18 14 36.17 V C57
2022-03-08 09:43:51 s 1 -151024.39 0 +274976.35 3690.0 C57
2022-03-08 09:45:52 C 11 31 53.60 +18 14 50.0 V T05
2022-03-08 09:50:06 C 11 31 53.25 +18 14 51.4 V T05
2022-03-08 09:53:51 S 11 32 11.892 +18 14 36.38 V C57
2022-03-08 09:53:51 s 1 -151309.46 4 +274504.44 9730.0 C57
2022-03-08 10:03:51 S 11 32 11.004 +18 14 38.94 V C57
2022-03-08 10:03:51 s 1 -151593.89 3 +274031.35 2470.0 C57
2022-03-08 10:11:08 C 11 31 51.47 +18 14 56.3 V T05
2022-03-08 10:13:51 S 11 32 10.049 +18 14 40.42 V C57
2022-03-08 10:13:51 s 1 -151877.67 4 +273557.08 1920.0 C57
2022-03-08 10:23:51 S 11 32 09.348 +18 14 41.86 V C57
2022-03-08 10:23:51 s 1 -152160.80 4 +273081.62 8040.0 C57
2022-03-08 10:33:51 S 11 32 08.234 +18 14 45.74 V C57
2022-03-08 10:33:51 s 1 -152443.28 2 +272604.99 840.0 C57
2022-03-08 10:43:51 S 11 32 07.462 +18 14 48.05 V C57
2022-03-08 10:43:51 s 1 -152725.10 3 +272127.16 290.0 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)