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
2016-02-01 07:10:44	C	03 13 33.36	+58 35 26.0	–	L	T05
2016-02-01 07:42:29	C	03 13 38.80	+58 35 01.9	–	L	T05
2016-02-02 19:07:59	C	03 19 49.48	+58 08 24.6	–	q	K73
2016-02-02 19:39:51	C	03 19 54.92	+58 08 00.4	–	q	K73
2016-02-06 06:22:20	C	03 33 34.81	+57 06 55.3	–	L	T05
2016-02-06 06:40:59	C	03 33 37.64	+57 06 40.8	–	L	T05
2016-02-06 07:10:15	C	03 33 42.22	+57 06 18.5	–	L	T05
2016-02-06 07:38:40	C	03 33 46.78	+57 05 58.6	–	L	T05
2016-02-07 02:59:14	C	03 36 50.49	+56 51 53.3	–	q	703
2016-02-07 03:02:51	C	03 36 51.12	+56 51 50.6	–	q	703
2016-02-07 03:06:29	C	03 36 51.68	+56 51 47.7	–	q	703
2016-02-07 03:10:05	C	03 36 52.28	+56 51 43.8	–	q	703
2016-02-13 06:22:05	C	03 58 44.23	+55 07 43.0	–	L	T05
2016-02-13 06:38:48	C	03 58 46.51	+55 07 33.9	–	L	T05
2016-02-13 07:09:37	C	03 58 50.70	+55 07 12.5	–	L	T05
2016-02-13 07:39:33	C	03 58 54.82	+55 06 51.8	–	L	T05
2016-02-13 09:21:28	S	03 59 09.88	+55 05 39.1	–	L	C51
2016-02-13 12:30:09	S	03 59 36.39	+55 03 28.7	–	L	C51
2016-02-13 21:56:34	S	04 00 55.79	+54 57 02.3	–	L	C51
2016-02-14 04:14:07	S	04 01 48.70	+54 52 47.7	–	L	C51
2016-02-14 05:48:22	S	04 02 01.43	+54 51 40.7	–	L	C51
2016-02-14 12:05:55	S	04 02 53.77	+54 47 25.0	–	L	C51
2016-02-14 13:40:22	S	04 03 06.86	+54 46 19.9	–	L	C51
2016-02-14 15:14:48	S	04 03 19.90	+54 45 16.4	–	L	C51
2016-02-14 21:32:21	S	04 04 11.97	+54 41 00.1	–	L	C51
2016-02-15 00:41:02	S	04 04 37.91	+54 38 53.0	–	L	C51
2016-02-15 03:49:54	S	04 05 03.768	+54 36 46.55	–	L	C51
2016-02-15 06:58:35	S	04 05 29.51	+54 34 39.0	–	L	C51
2016-02-16 02:03:35	C	04 08 05.00	+54 21 53.9	–	q	H45
2016-02-16 02:05:53	C	04 08 05.28	+54 21 52.2	–	q	H45
2016-02-16 02:07:05	C	04 08 05.40	+54 21 51.3	–	q	H45
2016-02-16 02:09:06	C	04 08 05.68	+54 21 50.2	–	q	H45
2016-02-16 02:10:07	C	04 08 05.84	+54 21 49.5	–	q	H45
2016-02-16 02:12:29	C	04 08 06.17	+54 21 47.8	–	q	H45
2016-02-18 08:54:36	S	04 15 23.06	+53 45 40.0	–	L	C51
2016-02-18 08:54:48	S	04 15 23.042	+53 45 39.20	–	L	C51
2016-02-18 12:03:29	S	04 15 47.839	+53 43 35.15	–	L	C51
2016-02-18 21:29:43	S	04 17 01.52	+53 37 28.3	–	L	C51
2016-02-18 23:04:09	S	04 17 13.84	+53 36 27.2	–	L	C51
2016-02-19 00:38:35	S	04 17 26.093	+53 35 25.58	–	L	C51
2016-02-19 03:47:16	S	04 17 50.60	+53 33 22.7	–	L	C51
2016-02-19 05:21:42	S	04 18 02.78	+53 32 22.4	–	L	C51
2016-02-19 11:39:15	S	04 18 51.50	+53 28 18.8	–	L	C51
2016-02-19 14:47:56	S	04 19 15.83	+53 26 17.4	–	L	C51
2016-02-20 00:14:22	S	04 20 28.55	+53 20 13.0	–	L	C51
2016-02-20 06:31:55	S	04 21 16.86	+53 16 11.8	–	L	C51
2016-02-22 06:12:58	C	04 27 17.36	+52 46 03.1	–	L	T05
2016-02-22 06:33:40	C	04 27 19.89	+52 45 49.9	–	L	T05
2016-02-22 06:59:10	C	04 27 22.98	+52 45 32.1	–	L	T05
2016-02-22 07:05:47	C	04 27 23.77	+52 45 29.7	–	L	T05

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1864 Daedalus (1971 FA)