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
2022-03-18 01:43:50 S 11 12 49.985 +18 59 47.04 V C57
2022-03-18 01:43:50 s 1 +109747.33 9 +345043.99 5420.0 C57
2022-03-18 01:53:50 S 11 12 49.234 +18 59 49.70 V C57
2022-03-18 01:53:50 s 1 +109398.34 8 +345293.78 1660.0 C57
2022-03-18 02:03:50 S 11 12 48.456 +18 59 49.92 V C57
2022-03-18 02:03:50 s 1 +109049.04 2 +345542.54 6880.0 C57
2022-03-18 02:13:50 S 11 12 47.616 +18 59 49.45 V C57
2022-03-18 02:13:50 s 1 +108699.42 1 +345790.26 1100.0 C57
2022-03-18 02:23:50 S 11 12 46.594 +18 59 50.39 V C57
2022-03-18 02:23:50 s 1 +108349.48 7 +346036.95 4320.0 C57
2022-03-18 02:33:50 S 11 12 45.936 +18 59 56.29 V C57
2022-03-18 02:33:50 s 1 +107999.24 1 +346282.60 6540.0 C57
2022-03-18 02:43:50 S 11 12 45.050 +18 59 53.59 V C57
2022-03-18 02:43:50 s 1 +107648.68 5 +346527.21 7780.0 C57
2022-03-18 03:03:50 S 11 12 43.190 +18 59 56.40 V C57
2022-03-18 03:03:50 s 1 +106946.64 8 +347013.32 7310.0 C57
2022-03-18 04:23:50 S 11 12 37.008 +19 00 08.50 V C57
2022-03-18 04:23:50 s 1 +104126.35 0 +348916.35 7030.0 C57
2022-03-18 04:43:50 S 11 12 35.297 +19 00 11.12 V C57
2022-03-18 04:43:50 s 1 +103418.29 2 +349381.76 7590.0 C57
2022-03-18 04:53:50 S 11 12 34.243 +19 00 16.13 V C57
2022-03-18 04:53:50 s 1 +103063.82 2 +349612.92 6490.0 C57
2022-03-18 05:23:50 S 11 12 31.903 +19 00 18.29 V C57
2022-03-18 05:23:50 s 1 +101998.66 8 +350300.19 7780.0 C57
2022-03-18 05:33:50 S 11 12 31.085 +19 00 16.52 V C57
2022-03-18 05:33:50 s 1 +101643.03 9 +350527.21 3090.0 C57
2022-03-18 05:43:50 S 11 12 30.043 +19 00 19.94 V C57
2022-03-18 05:43:50 s 1 +101287.12 3 +350753.20 7510.0 C57
2022-03-18 05:53:50 S 11 12 29.232 +19 00 20.99 V C57
2022-03-18 05:53:50 s 1 +100930.92 2 +350978.16 1050.0 C57
2022-03-18 06:13:50 S 11 12 27.778 +19 00 24.52 V C57
2022-03-18 06:13:50 s 1 +100217.66 8 +351424.98 5510.0 C57
2022-03-18 06:23:50 S 11 12 26.712 +19 00 24.34 V C57
2022-03-18 06:23:50 s 1 +99860.619 0 +351646.84 6440.0 C57
2022-03-18 06:53:50 S 11 12 24.449 +19 00 31.25 V C57
2022-03-18 06:53:50 s 1 +98787.794 0 +352306.25 4100.0 C57
2022-03-18 07:03:50 S 11 12 23.494 +19 00 30.49 V C57
2022-03-18 07:03:50 s 1 +98429.631 0 +352523.99 1630.0 C57
2022-03-18 07:13:50 S 11 12 22.673 +19 00 30.56 V C57
2022-03-18 07:13:50 s 1 +98071.193 0 +352740.70 8330.0 C57
2022-03-18 07:33:50 S 11 12 21.024 +19 00 38.12 V C57
2022-03-18 07:33:50 s 1 +97353.497 0 +353171.02 9230.0 C57
2022-03-18 07:43:50 S 11 12 19.997 +19 00 35.96 V C57
2022-03-18 07:43:50 s 1 +96994.241 0 +353384.64 3450.0 C57
2022-03-18 08:03:50 S 11 12 18.852 +19 00 41.98 V C57
2022-03-18 08:03:50 s 1 +96274.921 0 +353808.79 9450.0 C57
2022-03-18 08:53:50 S 11 12 14.554 +19 00 42.26 V C57
2022-03-18 08:53:50 s 1 +94471.960 0 +354851.15 500.0 C57
2022-03-18 09:33:50 S 11 12 10.925 +19 00 50.00 V C57
2022-03-18 09:33:50 s 1 +93024.880 0 +355666.53 7330.0 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)