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 01:23:51 S 11 32 55.956 +18 12 34.16 V C57
2022-03-08 01:23:51 s 1 -136004.77 7 +297077.58 5860.0 C57
2022-03-08 01:33:51 S 11 32 54.984 +18 12 34.38 V C57
2022-03-08 01:33:51 s 1 -136318.88 9 +296664.02 2190.0 C57
2022-03-08 01:43:51 S 11 32 54.228 +18 12 36.79 V C57
2022-03-08 01:43:51 s 1 -136632.47 8 +296249.31 5770.0 C57
2022-03-08 01:53:51 S 11 32 53.302 +18 12 39.89 V C57
2022-03-08 01:53:51 s 1 -136945.54 3 +295833.45 6590.0 C57
2022-03-08 02:03:51 S 11 32 52.550 +18 12 42.66 V C57
2022-03-08 02:03:51 s 1 -137258.08 0 +295416.43 4650.0 C57
2022-03-08 02:13:51 S 11 32 51.554 +18 12 44.32 V C57
2022-03-08 02:13:51 s 1 -137570.08 8 +294998.26 9930.0 C57
2022-03-08 02:23:51 S 11 32 50.563 +18 12 47.34 V C57
2022-03-08 02:23:51 s 1 -137881.56 4 +294578.93 2430.0 C57
2022-03-08 02:33:51 S 11 32 49.601 +18 12 48.02 V C57
2022-03-08 02:33:51 s 1 -138192.50 6 +294158.45 2120.0 C57
2022-03-08 02:43:51 S 11 32 49.027 +18 12 51.44 V C57
2022-03-08 02:43:51 s 1 -138502.91 3 +293736.81 9020.0 C57
2022-03-08 02:53:51 S 11 32 48.041 +18 12 53.14 V C57
2022-03-08 02:53:51 s 1 -138812.78 0 +293314.02 3090.0 C57
2022-03-08 03:03:51 S 11 32 47.186 +18 12 57.35 V C57
2022-03-08 03:03:51 s 1 -139122.10 7 +292890.07 4340.0 C57
2022-03-08 03:13:51 S 11 32 46.462 +18 13 00.26 V C57
2022-03-08 03:13:51 s 1 -139430.89 1 +292464.96 2750.0 C57
2022-03-08 03:33:51 S 11 32 44.635 +18 13 04.69 V C57
2022-03-08 03:33:51 s 1 -140046.82 1 +291611.27 1010.0 C57
2022-03-08 03:43:51 S 11 32 43.889 +18 13 06.46 V C57
2022-03-08 03:43:51 s 1 -140353.96 2 +291182.68 850.0 C57
2022-03-08 04:03:51 S 11 32 42.163 +18 13 13.08 V C57
2022-03-08 04:03:51 s 1 -140966.58 5 +290322.03 1870.0 C57
2022-03-08 04:13:51 S 11 32 41.179 +18 13 13.66 V C57
2022-03-08 04:13:51 s 1 -141272.06 2 +289889.96 3040.0 C57
2022-03-08 04:23:51 S 11 32 40.507 +18 13 19.88 V C57
2022-03-08 04:23:51 s 1 -141576.97 9 +289456.73 1300.0 C57
2022-03-08 04:33:51 S 11 32 39.840 +18 13 19.16 V C57
2022-03-08 04:33:51 s 1 -141881.33 5 +289022.34 6630.0 C57
2022-03-08 04:43:51 S 11 32 38.690 +18 13 21.14 V C57
2022-03-08 04:43:51 s 1 -142185.12 7 +288586.79 9040.0 C57
2022-03-08 04:53:51 S 11 32 37.879 +18 13 21.72 V C57
2022-03-08 04:53:51 s 1 -142488.35 2 +288150.07 8500.0 C57
2022-03-08 05:03:51 S 11 32 37.178 +18 13 28.42 V C57
2022-03-08 05:03:51 s 1 -142791.00 8 +287712.18 5010.0 C57
2022-03-08 05:13:51 S 11 32 36.139 +18 13 28.09 V C57
2022-03-08 05:13:51 s 1 -143093.09 3 +287273.13 8550.0 C57
2022-03-08 05:23:51 S 11 32 35.386 +18 13 32.52 V C57
2022-03-08 05:23:51 s 1 -143394.60 5 +286832.92 9120.0 C57
2022-03-08 05:33:51 S 11 32 34.464 +18 13 34.57 V C57
2022-03-08 05:33:51 s 1 -143695.54 0 +286391.54 6710.0 C57
2022-03-08 05:43:51 S 11 32 33.593 +18 13 34.54 V C57
2022-03-08 05:43:51 s 1 -143995.89 6 +285949.00 1300.0 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)