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
2022-03-06 09:51:45 C 11 35 49.55 +18 02 44.4 V T08
2022-03-06 09:53:51 S 11 36 15.430 +18 02 35.92 V C57
2022-03-06 09:53:51 s 1 -51016.299 0 +363720.95 3520.0 C57
2022-03-06 10:03:51 S 11 36 15.058 +18 02 39.41 V C57
2022-03-06 10:03:51 s 1 -51404.221 0 +363567.05 6900.0 C57
2022-03-06 10:13:51 S 11 36 14.304 +18 02 44.66 V C57
2022-03-06 10:13:51 s 1 -51792.003 0 +363412.10 9240.0 C57
2022-03-06 10:23:51 S 11 36 13.349 +18 02 46.64 V C57
2022-03-06 10:23:51 s 1 -52179.643 0 +363256.10 540.0 C57
2022-03-06 10:25:47 C 11 35 46.73 +18 02 53.2 V T08
2022-03-06 10:30:08 C 11 35 46.35 +18 02 54.5 V T08
2022-03-06 10:33:51 S 11 36 12.365 +18 02 47.87 V C57
2022-03-06 10:33:51 s 1 -52567.139 0 +363099.04 780.0 C57
2022-03-06 10:43:24 C 11 35 45.25 +18 02 58.0 V T08
2022-03-06 10:43:51 S 11 36 11.494 +18 02 48.88 V C57
2022-03-06 10:43:51 s 1 -52954.492 0 +362940.93 9980.0 C57
2022-03-06 10:53:51 S 11 36 11.050 +18 02 53.74 V C57
2022-03-06 10:53:51 s 1 -53341.698 0 +362781.77 8110.0 C57
2022-03-06 11:03:51 S 11 36 09.931 +18 02 54.85 V C57
2022-03-06 11:03:51 s 1 -53728.757 0 +362621.56 5180.0 C57
2022-03-06 11:13:51 S 11 36 09.218 +18 02 57.41 V C57
2022-03-06 11:13:51 s 1 -54115.669 0 +362460.29 1170.0 C57
2022-03-06 11:23:51 S 11 36 08.213 +18 03 02.66 V C57
2022-03-06 11:23:51 s 1 -54502.431 0 +362297.96 6090.0 C57
2022-03-06 11:33:51 S 11 36 07.560 +18 03 03.46 V C57
2022-03-06 11:33:51 s 1 -54889.042 0 +362134.58 9930.0 C57
2022-03-06 11:36:19 C 11 35 40.85 +18 03 11.7 V T05
2022-03-06 11:40:38 C 11 35 40.50 +18 03 12.5 V T05
2022-03-06 11:43:51 S 11 36 06.739 +18 03 07.63 V C57
2022-03-06 11:43:51 s 1 -55275.502 0 +361970.15 2680.0 C57
2022-03-06 11:48:26 C 11 35 39.85 +18 03 14.7 V T05
2022-03-06 11:53:51 S 11 36 05.870 +18 03 10.84 V C57
2022-03-06 11:53:51 s 1 -55661.808 0 +361804.66 4340.0 C57
2022-03-06 12:03:06 C 11 35 38.62 +18 03 18.5 V T05
2022-03-06 12:03:51 S 11 36 05.263 +18 03 10.76 V C57
2022-03-06 12:03:51 s 1 -56047.960 0 +361638.12 4900.0 C57
2022-03-06 12:13:51 S 11 36 04.207 +18 03 13.86 V C57
2022-03-06 12:13:51 s 1 -56433.957 0 +361470.52 4350.0 C57
2022-03-06 12:33:51 S 11 36 02.650 +18 03 20.95 V C57
2022-03-06 12:33:51 s 1 -57205.479 0 +361132.16 9930.0 C57
2022-03-06 12:43:51 S 11 36 01.613 +18 03 20.02 V C57
2022-03-06 12:43:51 s 1 -57591.001 0 +360961.39 6040.0 C57
2022-03-06 12:53:51 S 11 36 01.087 +18 03 19.76 V C57
2022-03-06 12:53:51 s 1 -57976.363 0 +360789.57 1020.0 C57
2022-03-06 13:23:51 S 11 35 58.483 +18 03 28.76 V C57
2022-03-06 13:23:51 s 1 -59131.473 0 +360267.76 9150.0 C57
2022-03-06 13:43:51 S 11 35 57.046 +18 03 39.35 V C57
2022-03-06 13:43:51 s 1 -59900.720 0 +359914.59 8840.0 C57
2022-03-06 13:53:51 S 11 35 56.088 +18 03 37.51 V C57
2022-03-06 13:53:51 s 1 -60285.092 0 +359736.43 6940.0 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)