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
2022-03-10 10:03:51 S 11 27 57.034 +18 25 48.58 V C57
2022-03-10 10:03:51 s 1 -191153.72 8 +86876.140 2580.0 C57
2022-03-10 10:13:51 S 11 27 55.742 +18 25 50.77 V C57
2022-03-10 10:13:51 s 1 -191065.79 9 +86051.808 5520.0 C57
2022-03-10 10:23:51 S 11 27 54.756 +18 25 54.34 V C57
2022-03-10 10:23:51 s 1 -190975.52 3 +85226.417 7740.0 C57
2022-03-10 10:33:51 S 11 27 53.875 +18 25 55.85 V C57
2022-03-10 10:33:51 s 1 -190882.88 7 +84399.972 9210.0 C57
2022-03-10 10:43:50 S 11 27 53.412 +18 25 58.80 V C57
2022-03-10 10:43:50 s 1 -190787.87 9 +83572.477 9860.0 C57
2022-03-10 10:53:51 S 11 27 52.272 +18 26 00.17 V C57
2022-03-10 10:53:51 s 1 -190690.48 8 +82743.937 9650.0 C57
2022-03-10 11:03:51 S 11 27 51.310 +18 26 04.09 V C57
2022-03-10 11:03:51 s 1 -190590.70 2 +81914.356 8530.0 C57
2022-03-10 11:13:51 S 11 27 50.347 +18 26 05.39 V C57
2022-03-10 11:13:51 s 1 -190488.50 8 +81083.739 6440.0 C57
2022-03-10 11:53:50 S 11 27 46.723 +18 26 13.09 V C57
2022-03-10 11:53:50 s 1 -190055.41 4 +77751.010 7430.0 C57
2022-03-10 12:23:51 S 11 27 44.107 +18 26 14.50 V C57
2022-03-10 12:23:51 s 1 -189704.71 1 +75240.828 490.0 C57
2022-03-10 12:33:51 S 11 27 43.164 +18 26 22.56 V C57
2022-03-10 12:33:51 s 1 -189582.81 4 +74402.103 8820.0 C57
2022-03-10 12:43:51 S 11 27 42.468 +18 26 24.61 V C57
2022-03-10 12:43:51 s 1 -189458.39 7 +73562.388 5700.0 C57
2022-03-10 12:53:51 S 11 27 41.158 +18 26 25.22 V C57
2022-03-10 12:53:51 s 1 -189331.46 0 +72721.689 1140.0 C57
2022-03-10 13:03:51 S 11 27 40.536 +18 26 28.97 V C57
2022-03-10 13:03:51 s 1 -189202.62 8 +71880.048 7220.0 C57
2022-03-10 13:13:51 S 11 27 39.650 +18 26 31.42 V C57
2022-03-10 13:13:51 s 1 -189070.53 2 +71037.396 9320.0 C57
2022-03-10 13:23:50 S 11 27 38.441 +18 26 34.08 V C57
2022-03-10 13:23:50 s 1 -188935.91 0 +70193.779 9930.0 C57
2022-03-10 13:33:51 S 11 27 37.615 +18 26 35.59 V C57
2022-03-10 13:33:51 s 1 -188798.70 3 +69349.202 8820.0 C57
2022-03-10 13:43:50 S 11 27 36.708 +18 26 35.74 V C57
2022-03-10 13:43:50 s 1 -188658.90 0 +68503.669 5940.0 C57
2022-03-10 13:53:51 S 11 27 35.916 +18 26 39.12 V C57
2022-03-10 13:53:51 s 1 -188516.48 5 +67657.187 1240.0 C57
2022-03-10 14:03:51 S 11 27 34.944 +18 26 41.42 V C57
2022-03-10 14:03:51 s 1 -188371.44 7 +66809.763 4670.0 C57
2022-03-10 14:13:51 S 11 27 34.186 +18 26 46.07 V C57
2022-03-10 14:13:51 s 1 -188223.77 1 +65961.402 6160.0 C57
2022-03-10 14:23:51 S 11 27 33.286 +18 26 47.08 V C57
2022-03-10 14:23:51 s 1 -188073.44 4 +65112.112 5660.0 C57
2022-03-10 14:33:51 S 11 27 32.510 +18 26 49.13 V C57
2022-03-10 14:33:51 s 1 -187920.45 3 +64261.898 3110.0 C57
2022-03-10 14:43:51 S 11 27 31.385 +18 26 49.31 V C57
2022-03-10 14:43:51 s 1 -187764.78 4 +63410.767 8460.0 C57
2022-03-10 14:53:50 S 11 27 30.415 +18 26 53.84 V C57
2022-03-10 14:53:50 s 1 -187606.42 3 +62558.727 1640.0 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)