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
2022-03-22 11:43:50 S 11 03 54.847 +19 10 40.87 V C57
2022-03-22 11:43:50 s 1 -126629.81 4 +295205.10 4250.0 C57
2022-03-22 11:53:50 S 11 03 54.098 +19 10 45.77 V C57
2022-03-22 11:53:50 s 1 -126942.44 2 +294781.56 1500.0 C57
2022-03-22 12:03:50 S 11 03 53.244 +19 10 44.98 V C57
2022-03-22 12:03:50 s 1 -127254.55 3 +294356.82 5980.0 C57
2022-03-22 12:13:50 S 11 03 52.164 +19 10 46.70 V C57
2022-03-22 12:13:50 s 1 -127566.14 2 +293930.88 7650.0 C57
2022-03-22 12:23:50 S 11 03 51.348 +19 10 46.20 V C57
2022-03-22 12:23:50 s 1 -127877.20 9 +293503.75 6530.0 C57
2022-03-22 12:33:50 S 11 03 50.431 +19 10 47.50 V C57
2022-03-22 12:33:50 s 1 -128187.75 1 +293075.42 2580.0 C57
2022-03-22 12:43:50 S 11 03 49.632 +19 10 46.20 V C57
2022-03-22 12:43:50 s 1 -128497.76 5 +292645.90 5810.0 C57
2022-03-22 12:53:50 S 11 03 48.564 +19 10 44.76 V C57
2022-03-22 12:53:50 s 1 -128807.24 9 +292215.17 6200.0 C57
2022-03-22 13:13:50 S 11 03 46.903 +19 10 50.56 V C57
2022-03-22 13:13:50 s 1 -129424.61 7 +291350.12 8420.0 C57
2022-03-22 13:33:50 S 11 03 45.194 +19 10 53.22 V C57
2022-03-22 13:33:50 s 1 -130039.83 7 +290480.27 9150.0 C57
2022-03-22 13:43:50 S 11 03 44.374 +19 10 57.58 V C57
2022-03-22 13:43:50 s 1 -130346.63 5 +290043.54 5180.0 C57
2022-03-22 13:53:50 S 11 03 43.670 +19 10 53.80 V C57
2022-03-22 13:53:50 s 1 -130652.88 9 +289605.61 8300.0 C57
2022-03-22 14:03:50 S 11 03 43.008 +19 10 56.42 V C57
2022-03-22 14:03:50 s 1 -130958.59 6 +289166.47 8500.0 C57
2022-03-22 14:13:50 S 11 03 42.274 +19 11 02.08 V C57
2022-03-22 14:13:50 s 1 -131263.75 3 +288726.12 5780.0 C57
2022-03-22 14:23:50 S 11 03 41.268 +19 10 55.70 V C57
2022-03-22 14:23:50 s 1 -131568.35 8 +288284.57 110.0 C57
2022-03-22 14:43:50 S 11 03 39.372 +19 10 56.21 V C57
2022-03-22 14:43:50 s 1 -132175.90 3 +287397.85 9900.0 C57
2022-03-22 15:43:50 S 11 03 34.466 +19 10 59.63 V C57
2022-03-22 15:43:50 s 1 -133985.02 9 +284708.64 7490.0 C57
2022-03-22 15:53:50 S 11 03 33.317 +19 10 58.01 V C57
2022-03-22 15:53:50 s 1 -134284.55 3 +284256.19 4830.0 C57
2022-03-22 16:03:50 S 11 03 32.460 +19 11 03.84 V C57
2022-03-22 16:03:50 s 1 -134583.50 1 +283802.53 9100.0 C57
2022-03-22 16:13:50 S 11 03 31.687 +19 10 59.81 V C57
2022-03-22 16:13:50 s 1 -134881.86 8 +283347.65 310.0 C57
2022-03-22 16:23:50 S 11 03 30.931 +19 11 02.40 V C57
2022-03-22 16:23:50 s 1 -135179.65 3 +282891.56 8430.0 C57
2022-03-22 16:33:50 S 11 03 29.957 +19 11 04.78 V C57
2022-03-22 16:33:50 s 1 -135476.85 2 +282434.25 3460.0 C57
2022-03-22 16:43:50 S 11 03 29.146 +19 11 03.41 V C57
2022-03-22 16:43:50 s 1 -135773.46 4 +281975.72 5380.0 C57
2022-03-22 16:53:50 S 11 03 28.318 +19 11 06.04 V C57
2022-03-22 16:53:50 s 1 -136069.48 6 +281515.97 4170.0 C57
2022-03-22 17:03:50 S 11 03 27.485 +19 11 05.50 V C57
2022-03-22 17:03:50 s 1 -136364.91 4 +281055.01 9840.0 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)