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
2021-10-13 12:48:00 C 11 03 57.04 +19 25 35.2 U I41
2021-10-13 12:51:31 C 11 03 57.25 +19 25 33.9 U I41
2021-10-13 12:55:02 C 11 03 57.43 +19 25 32.7 U I41
2021-10-17 11:59:09 C 11 09 35.88 +18 52 26.7 V 703
2021-10-17 12:05:07 C 11 09 36.23 +18 52 25.7 V 703
2021-10-17 12:11:05 C 11 09 36.51 +18 52 23.6 V 703
2021-10-17 12:17:02 C 11 09 36.91 +18 52 21.2 V 703
2021-11-03 11:57:37 C 11 32 20.58 +16 40 44.4 V 703
2021-11-03 12:24:37 C 11 32 21.90 +16 40 35.9 V 703
2021-11-03 12:30:21 C 11 32 22.23 +16 40 35.0 V 703
2021-11-03 12:36:05 C 11 32 22.47 +16 40 34.0 V 703
2021-11-13 12:17:58 C 11 44 31.63 +15 32 47.5 V G96
2021-11-13 12:26:57 C 11 44 32.06 +15 32 45.2 V G96
2021-11-13 12:35:58 C 11 44 32.48 +15 32 42.8 V G96
2021-11-13 12:44:58 C 11 44 32.92 +15 32 40.3 V G96
2021-11-16 12:00:15 C 11 47 57.98 +15 14 09.6 V 703
2021-11-16 12:07:15 C 11 47 58.38 +15 14 08.3 V 703
2021-11-16 12:14:14 C 11 47 58.69 +15 14 06.3 V 703
2021-11-16 12:21:13 C 11 47 59.02 +15 14 04.3 V 703
2022-01-01 13:36:30 C 12 25 08.53 +12 39 08.6 V T08
2022-01-01 13:42:30 C 12 25 08.60 +12 39 08.4 V T08
2022-01-01 13:50:29 C 12 25 08.74 +12 39 09.2 V T08
2022-01-01 14:05:06 C 12 25 08.91 +12 39 08.8 V T08
2022-01-14 13:36:57 C 12 27 32.03 +12 55 09.7 V T08
2022-01-14 13:39:36 C 12 27 32.03 +12 55 10.6 V T08
2022-01-14 13:43:35 C 12 27 31.98 +12 55 11.7 V T08
2022-01-14 14:21:28 C 12 27 31.87 +12 55 15.5 V T08
2022-01-24 14:50:11 C 12 25 38.71 +13 29 36.9 V T05
2022-01-24 15:17:20 C 12 25 38.19 +13 29 42.8 V T05
2022-01-24 15:23:29 C 12 25 37.97 +13 29 40.6 V T05
2022-01-24 15:31:05 C 12 25 37.98 +13 29 45.1 V T05
2022-01-26 07:37:07 C 12 24 57.382 +13 37 26.36 V W68
2022-01-26 07:41:09 C 12 24 57.391 +13 37 27.23 V W68
2022-01-26 07:55:05 C 12 24 57.024 +13 37 30.58 V W68
2022-01-26 08:29:10 C 12 24 56.244 +13 37 37.49 V W68
2022-01-27 13:17:11 C 12 24 22.96 +13 43 20.3 V T05
2022-01-27 13:21:53 C 12 24 22.84 +13 43 21.5 V T05
2022-01-27 13:30:28 C 12 24 22.65 +13 43 23.1 V T05
2022-01-27 13:43:46 C 12 24 22.37 +13 43 26.1 V T05
2022-01-28 12:35:33 C 12 23 53.32 +13 48 13.9 V T05
2022-01-28 12:38:11 C 12 23 53.26 +13 48 14.1 V T05
2022-01-28 12:49:35 C 12 23 53.00 +13 48 16.6 V T05
2022-01-28 13:04:06 C 12 23 52.64 +13 48 20.1 V T05
2022-01-29 11:26:20 C 12 23 22.048 +13 53 11.08 U F52
2022-01-29 11:43:43 C 12 23 21.620 +13 53 14.92 U F52
2022-01-29 12:00:59 C 12 23 21.185 +13 53 18.80 U F52
2022-01-29 12:18:20 C 12 23 20.755 +13 53 22.70 U F52
2022-01-29 12:40:25 C 12 23 20.21 +13 53 27.3 V T08
2022-01-29 12:43:45 C 12 23 20.11 +13 53 28.5 V T08
2022-01-29 12:53:24 C 12 23 19.89 +13 53 30.6 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)