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
2022-03-07 14:53:51 S 11 33 49.786 +18 09 56.81 V C57
2022-03-07 14:53:51 s 1 -115254.52 3 +320832.61 3490.0 C57
2022-03-07 15:33:51 S 11 33 46.018 +18 10 08.65 V C57
2022-03-07 15:33:51 s 1 -116623.51 6 +319457.64 2820.0 C57
2022-03-07 15:43:51 S 11 33 45.437 +18 10 09.12 V C57
2022-03-07 15:43:51 s 1 -116964.76 6 +319111.10 4660.0 C57
2022-03-07 15:53:51 S 11 33 44.674 +18 10 15.38 V C57
2022-03-07 15:53:51 s 1 -117305.61 2 +318763.43 4290.0 C57
2022-03-07 16:03:51 S 11 33 43.819 +18 10 15.06 V C57
2022-03-07 16:03:51 s 1 -117646.05 3 +318414.65 1690.0 C57
2022-03-07 16:13:51 S 11 33 42.943 +18 10 16.25 V C57
2022-03-07 16:13:51 s 1 -117986.08 8 +318064.75 6870.0 C57
2022-03-07 16:23:51 S 11 33 42.252 +18 10 18.84 V C57
2022-03-07 16:23:51 s 1 -118325.71 3 +317713.72 9810.0 C57
2022-03-07 16:33:51 S 11 33 41.069 +18 10 20.46 V C57
2022-03-07 16:33:51 s 1 -118664.92 8 +317361.57 510.0 C57
2022-03-07 16:43:51 S 11 33 40.380 +18 10 25.18 V C57
2022-03-07 16:43:51 s 1 -119003.73 1 +317008.30 8950.0 C57
2022-03-07 16:53:51 S 11 33 39.617 +18 10 25.79 V C57
2022-03-07 16:53:51 s 1 -119342.11 9 +316653.91 5130.0 C57
2022-03-07 17:03:51 S 11 33 38.563 +18 10 28.56 V C57
2022-03-07 17:03:51 s 1 -119680.09 1 +316298.39 9040.0 C57
2022-03-07 17:13:51 S 11 33 37.894 +18 10 32.88 V C57
2022-03-07 17:13:51 s 1 -120017.64 5 +315941.75 670.0 C57
2022-03-07 17:23:51 S 11 33 36.902 +18 10 35.87 V C57
2022-03-07 17:23:51 s 1 -120354.77 9 +315583.98 10.0 C57
2022-03-07 17:33:51 S 11 33 36.070 +18 10 35.62 V C57
2022-03-07 17:33:51 s 1 -120691.49 1 +315225.09 7050.0 C57
2022-03-07 17:43:51 S 11 33 35.378 +18 10 39.65 V C57
2022-03-07 17:43:51 s 1 -121027.78 0 +314865.07 1790.0 C57
2022-03-07 17:53:51 S 11 33 34.406 +18 10 41.66 V C57
2022-03-07 17:53:51 s 1 -121363.64 2 +314503.92 4220.0 C57
2022-03-07 18:03:51 S 11 33 33.286 +18 10 47.46 V C57
2022-03-07 18:03:51 s 1 -121699.07 7 +314141.65 4330.0 C57
2022-03-07 18:13:51 S 11 33 32.782 +18 10 48.32 V C57
2022-03-07 18:13:51 s 1 -122034.08 3 +313778.25 2100.0 C57
2022-03-07 18:23:51 S 11 33 31.766 +18 10 50.77 V C57
2022-03-07 18:23:51 s 1 -122368.65 7 +313413.72 7540.0 C57
2022-03-07 18:33:51 S 11 33 30.739 +18 10 54.34 V C57
2022-03-07 18:33:51 s 1 -122702.79 8 +313048.06 630.0 C57
2022-03-07 18:43:51 S 11 33 29.902 +18 10 55.02 V C57
2022-03-07 18:43:51 s 1 -123036.50 3 +312681.27 1360.0 C57
2022-03-07 19:03:51 S 11 33 28.346 +18 11 01.93 V C57
2022-03-07 19:03:51 s 1 -123702.60 1 +311944.31 5730.0 C57
2022-03-07 19:33:51 S 11 33 25.910 +18 11 05.86 V C57
2022-03-07 19:33:51 s 1 -124698.43 4 +310830.38 9390.0 C57
2022-03-07 19:43:51 S 11 33 24.768 +18 11 08.41 V C57
2022-03-07 19:43:51 s 1 -125029.48 6 +310456.81 5800.0 C57
2022-03-07 19:53:51 S 11 33 24.202 +18 11 11.44 V C57
2022-03-07 19:53:51 s 1 -125360.09 0 +310082.10 9800.0 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)