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
2022-03-21 18:53:50 S 11 05 21.055 +19 09 22.28 V C57
2022-03-21 18:53:50 s 1 -92763.935 0 +331967.41 9810.0 C57
2022-03-21 19:03:50 S 11 05 19.817 +19 09 27.22 V C57
2022-03-21 19:03:50 s 1 -93118.186 0 +331660.60 8220.0 C57
2022-03-21 19:43:50 S 11 05 16.728 +19 09 27.83 V C57
2022-03-21 19:43:50 s 1 -94531.976 0 +330422.12 3190.0 C57
2022-03-21 19:53:50 S 11 05 15.737 +19 09 27.11 V C57
2022-03-21 19:53:50 s 1 -94884.612 0 +330109.70 2230.0 C57
2022-03-21 20:03:50 S 11 05 14.947 +19 09 27.58 V C57
2022-03-21 20:03:50 s 1 -95236.920 0 +329796.15 9370.0 C57
2022-03-21 20:13:50 S 11 05 14.028 +19 09 31.14 V C57
2022-03-21 20:13:50 s 1 -95588.897 0 +329481.47 4610.0 C57
2022-03-21 20:23:50 S 11 05 13.046 +19 09 33.37 V C57
2022-03-21 20:23:50 s 1 -95940.544 0 +329165.67 7940.0 C57
2022-03-21 20:43:50 S 11 05 11.386 +19 09 33.12 V C57
2022-03-21 20:43:50 s 1 -96642.835 0 +328530.70 8830.0 C57
2022-03-21 21:03:50 S 11 05 09.542 +19 09 36.97 V C57
2022-03-21 21:03:50 s 1 -97343.781 0 +327891.21 1980.0 C57
2022-03-21 21:13:50 S 11 05 08.923 +19 09 36.50 V C57
2022-03-21 21:13:50 s 1 -97693.745 0 +327569.77 5630.0 C57
2022-03-21 21:23:50 S 11 05 08.215 +19 09 37.22 V C57
2022-03-21 21:23:50 s 1 -98043.367 0 +327247.20 7320.0 C57
2022-03-21 22:23:50 S 11 05 02.945 +19 09 37.40 V C57
2022-03-21 22:23:50 s 1 -100133.82 7 +325288.05 5860.0 C57
2022-03-21 22:43:50 S 11 05 01.205 +19 09 42.95 V C57
2022-03-21 22:43:50 s 1 -100827.83 6 +324625.94 9330.0 C57
2022-03-21 22:53:50 S 11 05 00.425 +19 09 42.77 V C57
2022-03-21 22:53:50 s 1 -101174.30 5 +324293.18 3020.0 C57
2022-03-21 23:03:50 S 11 04 59.534 +19 09 44.14 V C57
2022-03-21 23:03:50 s 1 -101520.41 5 +323959.28 4670.0 C57
2022-03-21 23:13:50 S 11 04 58.656 +19 09 44.50 V C57
2022-03-21 23:13:50 s 1 -101866.16 4 +323624.25 4270.0 C57
2022-03-21 23:23:50 S 11 04 57.914 +19 09 46.33 V C57
2022-03-21 23:23:50 s 1 -102211.55 0 +323288.08 1820.0 C57
2022-03-21 23:33:50 S 11 04 56.887 +19 09 47.74 V C57
2022-03-21 23:33:50 s 1 -102556.57 2 +322950.77 7290.0 C57
2022-03-21 23:43:50 S 11 04 56.258 +19 09 47.84 V C57
2022-03-21 23:43:50 s 1 -102901.22 8 +322612.33 690.0 C57
2022-03-21 23:53:50 S 11 04 55.402 +19 09 49.54 V C57
2022-03-21 23:53:50 s 1 -103245.51 5 +322272.74 2010.0 C57
2022-03-22 00:03:50 S 11 04 54.523 +19 09 50.26 V C57
2022-03-22 00:03:50 s 1 -103589.43 3 +321932.01 1240.0 C57
2022-03-22 00:13:50 S 11 04 53.446 +19 09 50.11 V C57
2022-03-22 00:13:50 s 1 -103932.97 9 +321590.15 8370.0 C57
2022-03-22 00:23:50 S 11 04 52.706 +19 09 51.23 V C57
2022-03-22 00:23:50 s 1 -104276.15 2 +321247.14 3390.0 C57
2022-03-22 00:33:50 S 11 04 51.739 +19 09 54.72 V C57
2022-03-22 00:33:50 s 1 -104618.94 9 +320902.99 6290.0 C57
2022-03-22 00:43:50 S 11 04 50.952 +19 09 51.41 V C57
2022-03-22 00:43:50 s 1 -104961.36 9 +320557.69 7070.0 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)