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
2022-03-08 20:53:51 S 11 31 14.383 +18 17 12.70 V C57
2022-03-08 20:53:51 s 1 -168559.77 6 +240715.78 2750.0 C57
2022-03-08 21:23:51 S 11 31 11.954 +18 17 19.18 V C57
2022-03-08 21:23:51 s 1 -169263.16 3 +239054.78 9110.0 C57
2022-03-08 21:30:21 C 11 30 55.26 +18 17 36.3 V G33
2022-03-08 21:33:37 C 11 30 55.03 +18 17 37.5 V G33
2022-03-08 21:33:51 S 11 31 10.910 +18 17 21.48 V C57
2022-03-08 21:33:51 s 1 -169495.90 9 +238498.67 2760.0 C57
2022-03-08 21:37:04 C 11 30 54.74 +18 17 38.3 V G33
2022-03-08 21:40:22 C 11 30 54.40 +18 17 39.3 V G33
2022-03-08 21:43:51 S 11 31 10.296 +18 17 26.92 V C57
2022-03-08 21:43:51 s 1 -169727.79 2 +237941.34 2140.0 C57
2022-03-08 21:43:55 C 11 30 54.14 +18 17 40.0 V G33
2022-03-08 21:47:08 C 11 30 53.90 +18 17 40.8 V G33
2022-03-08 21:53:51 S 11 31 09.307 +18 17 24.97 V C57
2022-03-08 21:53:51 s 1 -169958.80 7 +237382.78 7240.0 C57
2022-03-08 22:03:51 S 11 31 08.359 +18 17 30.19 V C57
2022-03-08 22:03:51 s 1 -170188.95 1 +236823.00 8040.0 C57
2022-03-08 22:13:51 S 11 31 07.522 +18 17 32.50 V C57
2022-03-08 22:13:51 s 1 -170418.22 0 +236261.99 4530.0 C57
2022-03-08 22:23:51 S 11 31 06.617 +18 17 34.44 V C57
2022-03-08 22:23:51 s 1 -170646.61 1 +235699.75 6690.0 C57
2022-03-08 22:33:51 S 11 31 05.844 +18 17 38.51 V C57
2022-03-08 22:33:51 s 1 -170874.12 0 +235136.29 4500.0 C57
2022-03-08 22:43:51 S 11 31 04.762 +18 17 40.81 V C57
2022-03-08 22:43:51 s 1 -171100.74 3 +234571.61 7950.0 C57
2022-03-08 22:53:51 S 11 31 04.063 +18 17 42.90 V C57
2022-03-08 22:53:51 s 1 -171326.47 6 +234005.69 7010.0 C57
2022-03-08 23:03:51 S 11 31 03.091 +18 17 45.92 V C57
2022-03-08 23:03:51 s 1 -171551.31 6 +233438.55 1690.0 C57
2022-03-08 23:13:51 S 11 31 02.150 +18 17 49.06 V C57
2022-03-08 23:13:51 s 1 -171775.25 8 +232870.18 1950.0 C57
2022-03-08 23:23:51 S 11 31 01.426 +18 17 49.16 V C57
2022-03-08 23:23:51 s 1 -171998.30 0 +232300.58 7780.0 C57
2022-03-08 23:33:51 S 11 31 00.430 +18 17 52.08 V C57
2022-03-08 23:33:51 s 1 -172220.43 7 +231729.75 9160.0 C57
2022-03-08 23:43:51 S 11 30 59.657 +18 17 54.24 V C57
2022-03-08 23:43:51 s 1 -172441.66 6 +231157.69 6080.0 C57
2022-03-08 23:53:51 S 11 30 58.673 +18 17 55.32 V C57
2022-03-08 23:53:51 s 1 -172661.98 2 +230584.41 8520.0 C57
2022-03-09 00:03:51 S 11 30 57.715 +18 17 58.52 V C57
2022-03-09 00:03:51 s 1 -172881.38 2 +230009.89 6470.0 C57
2022-03-09 00:13:51 S 11 30 57.041 +18 18 02.56 V C57
2022-03-09 00:13:51 s 1 -173099.86 2 +229434.13 9900.0 C57
2022-03-09 00:23:51 S 11 30 56.059 +18 18 04.86 V C57
2022-03-09 00:23:51 s 1 -173317.41 8 +228857.15 8790.0 C57
2022-03-09 00:33:51 S 11 30 55.186 +18 18 06.01 V C57
2022-03-09 00:33:51 s 1 -173534.04 6 +228278.94 3140.0 C57
2022-03-09 00:43:51 S 11 30 54.259 +18 18 07.85 V C57
2022-03-09 00:43:51 s 1 -173749.74 2 +227699.49 2930.0 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)