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
2022-03-19 04:53:50 S 11 10 34.322 +19 03 13.61 V C57
2022-03-19 04:53:50 s 1 +49581.919 0 +372199.79 9730.0 C57
2022-03-19 05:03:50 S 11 10 33.881 +19 03 14.40 V C57
2022-03-19 05:03:50 s 1 +49197.669 0 +372282.79 1500.0 C57
2022-03-19 05:13:50 S 11 10 32.916 +19 03 18.58 V C57
2022-03-19 05:13:50 s 1 +48813.296 0 +372364.78 3090.0 C57
2022-03-19 06:13:50 S 11 10 28.121 +19 03 23.58 V C57
2022-03-19 06:13:50 s 1 +46504.524 0 +372835.37 9290.0 C57
2022-03-19 06:23:50 S 11 10 27.007 +19 03 21.67 V C57
2022-03-19 06:23:50 s 1 +46119.317 0 +372910.25 9810.0 C57
2022-03-19 06:43:50 S 11 10 25.342 +19 03 24.48 V C57
2022-03-19 06:43:50 s 1 +45348.558 0 +373056.96 450.0 C57
2022-03-19 06:53:50 S 11 10 24.391 +19 03 27.72 V C57
2022-03-19 06:53:50 s 1 +44963.009 0 +373128.80 570.0 C57
2022-03-19 07:03:50 S 11 10 23.767 +19 03 29.30 V C57
2022-03-19 07:03:50 s 1 +44577.348 0 +373199.62 580.0 C57
2022-03-19 07:23:50 S 11 10 22.025 +19 03 30.85 V C57
2022-03-19 07:23:50 s 1 +43805.695 0 +373338.21 250.0 C57
2022-03-19 07:33:50 S 11 10 21.202 +19 03 29.84 V C57
2022-03-19 07:33:50 s 1 +43419.705 0 +373405.99 9920.0 C57
2022-03-19 08:23:50 S 11 10 17.076 +19 03 35.68 V C57
2022-03-19 08:23:50 s 1 +41488.164 0 +373729.64 6840.0 C57
2022-03-19 08:33:50 S 11 10 16.358 +19 03 37.84 V C57
2022-03-19 08:33:50 s 1 +41101.545 0 +373791.33 5970.0 C57
2022-03-19 10:43:50 S 11 10 05.174 +19 03 53.35 V C57
2022-03-19 10:43:50 s 1 +36066.668 0 +374500.87 9610.0 C57
2022-03-19 10:53:50 S 11 10 04.630 +19 03 53.89 V C57
2022-03-19 10:53:50 s 1 +35678.727 0 +374548.35 8120.0 C57
2022-03-19 11:03:50 S 11 10 03.533 +19 03 55.73 V C57
2022-03-19 11:03:50 s 1 +35290.700 0 +374594.81 6630.0 C57
2022-03-19 11:13:50 S 11 10 02.882 +19 03 54.65 V C57
2022-03-19 11:13:50 s 1 +34902.587 0 +374640.25 4860.0 C57
2022-03-19 11:23:50 S 11 10 02.081 +19 03 55.62 V C57
2022-03-19 11:23:50 s 1 +34514.390 0 +374684.68 6360.0 C57
2022-03-19 11:33:50 S 11 10 01.174 +19 03 57.67 V C57
2022-03-19 11:33:50 s 1 +34126.110 0 +374728.09 7850.0 C57
2022-03-19 11:43:50 S 11 10 00.235 +19 04 01.38 V C57
2022-03-19 11:43:50 s 1 +33737.747 0 +374770.49 9330.0 C57
2022-03-19 11:53:50 S 11 09 59.506 +19 03 59.80 V C57
2022-03-19 11:53:50 s 1 +33349.303 0 +374811.87 800.0 C57
2022-03-19 12:03:50 S 11 09 58.716 +19 04 00.84 V C57
2022-03-19 12:03:50 s 1 +32960.779 0 +374852.24 2240.0 C57
2022-03-19 12:23:50 S 11 09 57.110 +19 04 02.75 V C57
2022-03-19 12:23:50 s 1 +32183.494 0 +374929.93 5060.0 C57
2022-03-19 12:33:50 S 11 09 56.256 +19 04 05.63 V C57
2022-03-19 12:33:50 s 1 +31794.735 0 +374967.25 6420.0 C57
2022-03-19 12:43:50 S 11 09 55.342 +19 04 04.76 V C57
2022-03-19 12:43:50 s 1 +31405.900 0 +375003.55 7750.0 C57
2022-03-19 12:53:50 S 11 09 54.348 +19 04 06.10 V C57
2022-03-19 12:53:50 s 1 +31016.990 0 +375038.84 9030.0 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)