1864 Daedalus — IAA Minor Planet Database

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 Period	1.76564638 yr ± 1.34e-09

Physical Parameters

H (abs. magnitude)	14.83
G (slope)	0.15

Orbit Solution

Source	IAA
Solution Date	2026-05-31
RMS Residual	0.311″
Uncertainty	0
Orbit Type	Apollo
MOID	0.269202 AU
Observations Used	6128
Radar Obs Used	1
Gaia Obs Used	126
Oppositions	20
Arc Total	1971-2026
First Observation Used	1971-03-24
Last Observation Used	2026-04-04

Observations (7777)

Date	Type	RA	Dec	Mag	Band	Observatory
2022-03-20 11:03:50	S	11 08 02.798	+19 06 25.99	–	V	C57
2022-03-20 11:03:50	s	1 -20958.507	0 +370640.90	2710.0	–	C57
2022-03-20 11:23:50	S	11 08 00.919	+19 06 32.00	–	V	C57
2022-03-20 11:23:50	s	1 -21737.439	0 +370436.08	7980.0	–	C57
2022-03-20 12:03:50	S	11 07 57.454	+19 06 36.00	–	V	C57
2022-03-20 12:03:50	s	1 -23294.467	0 +370014.00	160.0	–	C57
2022-03-20 12:13:50	S	11 07 56.621	+19 06 37.30	–	V	C57
2022-03-20 12:13:50	s	1 -23683.544	0 +369905.88	8930.0	–	C57
2022-03-20 12:23:50	S	11 07 55.886	+19 06 35.10	–	V	C57
2022-03-20 12:23:50	s	1 -24072.546	0 +369796.73	6990.0	–	C57
2022-03-20 12:33:50	S	11 07 55.006	+19 06 39.71	–	V	C57
2022-03-20 12:33:50	s	1 -24461.473	0 +369686.53	4320.0	–	C57
2022-03-20 12:43:50	S	11 07 54.338	+19 06 38.74	–	V	C57
2022-03-20 12:43:50	s	1 -24850.324	0 +369575.30	930.0	–	C57
2022-03-20 12:53:50	S	11 07 53.561	+19 06 39.78	–	V	C57
2022-03-20 12:53:50	s	1 -25239.097	0 +369463.03	6800.0	–	C57
2022-03-20 13:03:50	S	11 07 52.582	+19 06 38.23	–	V	C57
2022-03-20 13:03:50	s	1 -25627.791	0 +369349.72	1930.0	–	C57
2022-03-20 13:13:50	S	11 07 51.660	+19 06 44.28	–	V	C57
2022-03-20 13:13:50	s	1 -26016.405	0 +369235.37	6320.0	–	C57
2022-03-20 13:23:50	S	11 07 50.650	+19 06 45.11	–	V	C57
2022-03-20 13:23:50	s	1 -26404.938	0 +369119.98	9960.0	–	C57
2022-03-20 13:33:50	S	11 07 49.822	+19 06 43.85	–	V	C57
2022-03-20 13:33:50	s	1 -26793.389	0 +369003.55	2840.0	–	C57
2022-03-20 13:43:50	S	11 07 48.835	+19 06 46.15	–	V	C57
2022-03-20 13:43:50	s	1 -27181.756	0 +368886.08	4970.0	–	C57
2022-03-20 13:53:50	S	11 07 48.250	+19 06 46.04	–	V	C57
2022-03-20 13:53:50	s	1 -27570.039	0 +368767.57	6330.0	–	C57
2022-03-20 14:03:50	S	11 07 47.323	+19 06 45.18	–	V	C57
2022-03-20 14:03:50	s	1 -27958.237	0 +368648.02	6920.0	–	C57
2022-03-20 14:13:50	S	11 07 46.507	+19 06 51.01	–	V	C57
2022-03-20 14:13:50	s	1 -28346.348	0 +368527.42	6730.0	–	C57
2022-03-20 14:23:50	S	11 07 45.794	+19 06 51.23	–	V	C57
2022-03-20 14:23:50	s	1 -28734.371	0 +368405.79	5770.0	–	C57
2022-03-20 14:33:50	S	11 07 44.662	+19 06 49.72	–	V	C57
2022-03-20 14:33:50	s	1 -29122.306	0 +368283.11	4020.0	–	C57
2022-03-20 14:43:50	S	11 07 43.918	+19 06 51.23	–	V	C57
2022-03-20 14:43:50	s	1 -29510.150	0 +368159.39	1480.0	–	C57
2022-03-20 14:53:50	S	11 07 43.248	+19 06 53.14	–	V	C57
2022-03-20 14:53:50	s	1 -29897.903	0 +368034.63	8140.0	–	C57
2022-03-20 15:03:50	S	11 07 42.218	+19 06 55.08	–	V	C57
2022-03-20 15:03:50	s	1 -30285.563	0 +367908.82	4000.0	–	C57
2022-03-20 15:13:50	S	11 07 41.539	+19 06 53.35	–	V	C57
2022-03-20 15:13:50	s	1 -30673.131	0 +367781.97	9060.0	–	C57
2022-03-20 15:23:50	S	11 07 40.550	+19 06 57.92	–	V	C57
2022-03-20 15:23:50	s	1 -31060.603	0 +367654.08	3310.0	–	C57
2022-03-20 15:33:50	S	11 07 40.121	+19 07 00.98	–	V	C57
2022-03-20 15:33:50	s	1 -31447.980	0 +367525.14	6740.0	–	C57
2022-03-20 16:33:50	S	11 07 34.680	+19 07 02.75	–	V	C57
2022-03-20 16:33:50	s	1 -33770.166	0 +366729.58	9860.0	–	C57

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1864 Daedalus (1971 FA)