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
2022-03-02 03:33:51 s 1 +168481.48 1 +260188.35 9070.0 C57
2022-03-02 04:03:51 S 11 44 14.801 +17 34 50.02 V C57
2022-03-02 04:03:51 s 1 +167754.40 8 +261695.90 8890.0 C57
2022-03-02 04:13:51 S 11 44 14.054 +17 34 55.92 V C57
2022-03-02 04:13:51 s 1 +167510.52 7 +262196.05 2940.0 C57
2022-03-02 04:23:51 S 11 44 13.135 +17 34 57.58 V C57
2022-03-02 04:23:51 s 1 +167265.88 8 +262695.01 4040.0 C57
2022-03-02 04:33:51 S 11 44 12.499 +17 34 59.95 V C57
2022-03-02 04:33:51 s 1 +167020.51 0 +263192.82 2290.0 C57
2022-03-02 04:43:51 S 11 44 11.597 +17 35 05.50 V C57
2022-03-02 04:43:51 s 1 +166774.37 1 +263689.42 7600.0 C57
2022-03-02 04:53:51 S 11 44 10.999 +17 35 06.00 V C57
2022-03-02 04:53:51 s 1 +166527.48 3 +264184.85 20.0 C57
2022-03-02 05:03:51 S 11 44 10.464 +17 35 07.48 V C57
2022-03-02 05:03:51 s 1 +166279.86 4 +264679.11 9610.0 C57
2022-03-02 05:23:51 S 11 44 08.820 +17 35 12.70 V C57
2022-03-02 05:23:51 s 1 +165782.38 2 +265664.07 140.0 C57
2022-03-02 05:33:51 S 11 44 08.266 +17 35 18.02 V C57
2022-03-02 05:33:51 s 1 +165532.54 9 +266154.80 1190.0 C57
2022-03-02 05:43:51 S 11 44 07.056 +17 35 14.68 V C57
2022-03-02 05:43:51 s 1 +165281.97 3 +266644.34 9380.0 C57
2022-03-02 07:23:51 S 11 43 59.928 +17 35 48.34 V C57
2022-03-02 07:23:51 s 1 +162736.54 4 +271475.20 8740.0 C57
2022-03-02 07:53:51 S 11 43 57.595 +17 35 56.72 V C57
2022-03-02 07:53:51 s 1 +161959.09 6 +272901.62 4550.0 C57
2022-03-02 08:23:51 S 11 43 55.579 +17 36 01.84 V C57
2022-03-02 08:23:51 s 1 +161175.39 9 +274317.54 6470.0 C57
2022-03-02 09:33:51 S 11 43 50.599 +17 36 25.45 V C57
2022-03-02 09:33:51 s 1 +159322.87 1 +277580.56 6450.0 C57
2022-03-02 09:55:14 C 11 43 27.70 +17 36 15.0 V T05
2022-03-02 09:58:05 C 11 43 27.46 +17 36 15.9 V T05
2022-03-02 10:03:06 C 11 43 27.07 +17 36 17.2 V T05
2022-03-02 10:10:59 C 11 43 26.44 +17 36 19.5 V T05
2022-03-02 11:13:51 S 11 43 43.150 +17 36 54.94 V C57
2022-03-02 11:13:51 s 1 +156619.78 2 +282143.28 4160.0 C57
2022-03-02 11:23:51 S 11 43 42.302 +17 36 54.68 V C57
2022-03-02 11:23:51 s 1 +156345.88 9 +282593.18 3360.0 C57
2022-03-02 11:33:51 S 11 43 41.429 +17 36 56.88 V C57
2022-03-02 11:33:51 s 1 +156071.36 6 +283041.94 190.0 C57
2022-03-02 11:45:28 C 11 43 18.92 +17 36 47.3 V T08
2022-03-02 11:54:41 C 11 43 18.19 +17 36 49.9 V T08
2022-03-02 12:02:40 C 11 43 17.57 +17 36 52.2 V T08
2022-03-02 12:03:51 S 11 43 39.454 +17 37 08.62 V C57
2022-03-02 12:03:51 s 1 +155243.95 6 +284381.26 6170.0 C57
2022-03-02 12:13:51 S 11 43 38.494 +17 37 11.24 V C57
2022-03-02 12:13:51 s 1 +154966.88 5 +284825.39 3390.0 C57
2022-03-02 12:23:51 S 11 43 37.603 +17 37 12.65 V C57
2022-03-02 12:23:51 s 1 +154689.18 2 +285268.37 8230.0 C57
2022-03-02 12:33:51 S 11 43 37.003 +17 37 17.00 V C57
2022-03-02 12:33:51 s 1 +154410.86 4 +285710.21 750.0 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)