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 00:53:50 S 11 04 50.105 +19 09 53.57 V C57
2022-03-22 00:53:50 s 1 -105303.41 1 +320211.26 5710.0 C57
2022-03-22 01:03:50 S 11 04 49.303 +19 09 55.01 V C57
2022-03-22 01:03:50 s 1 -105645.07 1 +319863.68 2220.0 C57
2022-03-22 01:13:50 S 11 04 48.550 +19 09 52.67 V C57
2022-03-22 01:13:50 s 1 -105986.34 9 +319514.95 6570.0 C57
2022-03-22 01:23:50 S 11 04 47.491 +19 09 55.87 V C57
2022-03-22 01:23:50 s 1 -106327.24 2 +319165.08 8760.0 C57
2022-03-22 01:33:50 S 11 04 46.865 +19 09 59.22 V C57
2022-03-22 01:33:50 s 1 -106667.74 9 +318814.06 8780.0 C57
2022-03-22 01:43:50 S 11 04 46.253 +19 09 55.44 V C57
2022-03-22 01:43:50 s 1 -107007.86 7 +318461.90 6620.0 C57
2022-03-22 02:03:50 S 11 04 44.544 +19 10 01.13 V C57
2022-03-22 02:03:50 s 1 -107686.93 2 +317754.12 5750.0 C57
2022-03-22 02:13:50 S 11 04 43.474 +19 09 59.33 V C57
2022-03-22 02:13:50 s 1 -108025.87 5 +317398.51 7010.0 C57
2022-03-22 02:33:50 S 11 04 41.777 +19 10 03.90 V C57
2022-03-22 02:33:50 s 1 -108702.57 1 +316683.84 2880.0 C57
2022-03-22 02:53:50 S 11 04 40.238 +19 10 05.52 V C57
2022-03-22 02:53:50 s 1 -109377.66 8 +315964.56 9840.0 C57
2022-03-22 03:03:50 S 11 04 39.163 +19 10 06.17 V C57
2022-03-22 03:03:50 s 1 -109714.61 3 +315603.20 9950.0 C57
2022-03-22 03:13:50 S 11 04 38.431 +19 10 06.92 V C57
2022-03-22 03:13:50 s 1 -110051.15 2 +315240.68 7800.0 C57
2022-03-22 03:23:50 S 11 04 37.488 +19 10 02.75 V C57
2022-03-22 03:23:50 s 1 -110387.28 4 +314877.00 3390.0 C57
2022-03-22 03:33:50 S 11 04 36.557 +19 10 07.18 V C57
2022-03-22 03:33:50 s 1 -110723.00 7 +314512.17 6700.0 C57
2022-03-22 03:43:50 S 11 04 35.688 +19 10 06.89 V C57
2022-03-22 03:43:50 s 1 -111058.31 9 +314146.19 7720.0 C57
2022-03-22 03:53:50 S 11 04 34.769 +19 10 08.33 V C57
2022-03-22 03:53:50 s 1 -111393.21 7 +313779.05 6460.0 C57
2022-03-22 04:13:50 S 11 04 33.233 +19 10 09.01 V C57
2022-03-22 04:13:50 s 1 -112061.76 7 +313041.29 7010.0 C57
2022-03-22 04:23:50 S 11 04 32.278 +19 10 06.31 V C57
2022-03-22 04:23:50 s 1 -112395.41 5 +312670.68 8810.0 C57
2022-03-22 04:33:50 S 11 04 31.397 +19 10 10.56 V C57
2022-03-22 04:33:50 s 1 -112728.64 1 +312298.90 8280.0 C57
2022-03-22 04:43:50 S 11 04 30.432 +19 10 09.73 V C57
2022-03-22 04:43:50 s 1 -113061.44 5 +311925.97 5410.0 C57
2022-03-22 04:53:50 S 11 04 29.854 +19 10 12.90 V C57
2022-03-22 04:53:50 s 1 -113393.82 3 +311551.88 190.0 C57
2022-03-22 05:03:50 S 11 04 28.879 +19 10 12.68 V C57
2022-03-22 05:03:50 s 1 -113725.77 5 +311176.62 2610.0 C57
2022-03-22 05:13:50 S 11 04 28.046 +19 10 13.48 V C57
2022-03-22 05:13:50 s 1 -114057.29 7 +310800.20 2660.0 C57
2022-03-22 05:53:50 S 11 04 24.785 +19 10 15.20 V C57
2022-03-22 05:53:50 s 1 -115379.05 7 +309282.89 9020.0 C57
2022-03-22 06:03:50 S 11 04 24.132 +19 10 17.83 V C57
2022-03-22 06:03:50 s 1 -115708.40 5 +308900.65 7100.0 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)