IAA RAS IAA Minor Planet Database

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
2020-03-05 03:58:54 C 10 14 09.81 +34 03 08.8 – u H21
2020-03-05 08:34:08 C 10 13 47.16 +34 03 06.6 – V T08
2020-03-05 08:41:49 C 10 13 46.52 +34 03 06.7 – V T08
2020-03-05 08:47:12 C 10 13 46.07 +34 03 06.4 – V T08
2020-03-05 09:10:52 C 10 13 44.07 +34 03 06.1 – V T08
2020-03-06 08:50:56 C 10 11 48.07 +34 02 27.4 – V T08
2020-03-06 08:55:34 C 10 11 47.66 +34 02 27.2 – V T08
2020-03-06 09:04:52 C 10 11 46.86 +34 02 27.0 – V T08
2020-03-06 09:19:13 C 10 11 45.71 +34 02 26.1 – V T08
2020-03-10 10:55:16 C 10 04 05.253 +33 55 35.38 – U F52
2020-03-10 11:29:38 C 10 04 02.594 +33 55 31.67 – U F52
2020-03-10 11:37:24 C 10 04 02.01 +33 55 31.1 – V T08
2020-03-10 11:43:17 C 10 04 01.61 +33 55 30.3 – V T08
2020-03-10 11:46:33 C 10 04 01.288 +33 55 29.86 – U F52
2020-03-10 11:51:15 C 10 04 00.90 +33 55 30.3 – V T08
2020-03-10 12:12:35 C 10 03 59.31 +33 55 27.1 – V T08
2020-03-12 03:49:20 C 10 01 02.60 +33 50 46.0 – q U55
2020-03-12 04:08:27 C 10 01 01.24 +33 50 44.5 – q U55
2020-03-12 04:27:25 C 10 00 59.91 +33 50 42.1 – q U55
2020-03-16 06:46:55 C 09 54 07.16 +33 35 00.8 – V 703
2020-03-16 06:54:33 C 09 54 06.66 +33 34 59.4 – V 703
2020-03-16 07:02:12 C 09 54 06.15 +33 34 58.0 – V 703
2020-03-16 07:09:50 C 09 54 05.61 +33 34 56.4 – V 703
2020-03-17 19:53:02 C 09 51 42.61 +33 27 36.9 – V 130
2020-03-17 19:57:19 C 09 51 42.28 +33 27 36.3 – V 130
2020-03-17 20:02:20 C 09 51 41.98 +33 27 35.4 – V 130
2020-03-17 20:06:38 C 09 51 41.67 +33 27 34.3 – V 130
2020-03-18 20:32:21 C 09 50 09.44 +33 22 19.3 – q K73
2020-03-18 20:39:44 C 09 50 09.24 +33 22 18.0 – q K73
2020-03-18 23:46:23 C 09 49 57.46 +33 21 35.1 – V 160
2020-03-18 23:50:02 C 09 49 57.21 +33 21 34.1 – V 160
2020-03-19 19:57:28 C 09 48 44.14 +33 16 59.0 – V 108
2020-03-19 20:01:45 C 09 48 43.96 +33 16 58.2 – V 108
2020-03-19 20:06:03 C 09 48 43.64 +33 16 57.7 – V 108
2020-03-23 10:16:28 C 09 43 50.92 +32 55 07.6 – V T05
2020-03-23 10:23:59 C 09 43 50.48 +32 55 05.1 – V T05
2020-03-23 10:29:02 C 09 43 50.24 +32 55 04.0 – V T05
2020-03-23 10:46:28 C 09 43 49.28 +32 54 59.3 – V T05
2020-03-24 05:30:18 C 09 42 50.71 +32 49 47.1 – V 703
2020-03-24 05:38:33 C 09 42 50.26 +32 49 44.6 – V 703
2020-03-24 05:46:47 C 09 42 49.84 +32 49 42.5 – V 703
2020-03-24 05:55:01 C 09 42 49.38 +32 49 40.3 – V 703
2020-03-25 09:08:41 C 09 41 27.05 +32 41 53.1 – V T08
2020-03-25 09:14:44 C 09 41 26.73 +32 41 51.3 – V T08
2020-03-25 09:24:26 C 09 41 26.26 +32 41 48.6 – V T08
2020-03-25 09:39:04 C 09 41 25.48 +32 41 44.4 – V T08
2020-04-02 06:06:47 C 09 33 35.98 +31 40 36.3 – V T08
2020-04-02 06:13:08 C 09 33 35.73 +31 40 34.2 – V T08
2020-04-02 06:21:03 C 09 33 35.46 +31 40 31.2 – V T08
2020-04-02 06:41:52 C 09 33 34.71 +31 40 24.4 – V T08
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)