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
2020-05-04 05:23:20	C	09 27 47.74	+26 26 54.8	–	V	703
2020-05-04 05:41:57	C	09 27 47.96	+26 26 45.6	–	V	703
2020-05-04 06:06:02	C	09 27 48.483	+26 26 38.22	–	U	F52
2020-05-04 06:24:00	C	09 27 48.719	+26 26 30.41	–	U	F52
2020-05-04 06:41:51	C	09 27 48.957	+26 26 22.39	–	U	F52
2020-05-04 06:59:42	C	09 27 49.187	+26 26 14.86	–	U	F52
2020-05-09 04:30:00	C	09 29 49.13	+25 34 28.6	–	U	I41
2020-05-09 05:30:14	C	09 29 50.26	+25 34 01.6	–	U	I41
2020-05-12 04:08:31	C	09 31 18.98	+25 02 42.7	–	U	I41
2020-05-12 05:29:49	C	09 31 20.72	+25 02 06.1	–	U	I41
2020-05-13 12:35:46	C	09 32 03.55	+24 48 16.4	–	q	D29
2020-05-13 12:56:07	C	09 32 04.00	+24 48 07.0	–	q	D29
2020-05-16 04:31:18	C	09 33 38.05	+24 19 43.8	–	V	703
2020-05-16 04:39:35	C	09 33 38.30	+24 19 40.3	–	V	703
2020-05-16 04:47:50	C	09 33 38.52	+24 19 36.5	–	V	703
2020-05-16 04:56:06	C	09 33 38.71	+24 19 32.2	–	V	703
2020-05-16 06:54:26	C	09 33 41.83	+24 18 40.6	–	V	T08
2020-05-16 06:59:05	C	09 33 41.93	+24 18 38.5	–	V	T08
2020-05-16 07:03:44	C	09 33 42.06	+24 18 36.3	–	V	T08
2020-05-16 07:08:23	C	09 33 42.17	+24 18 34.4	–	V	T08
2020-05-16 07:18:19	C	09 33 42.40	+24 18 30.3	–	V	T08
2020-05-16 07:33:35	C	09 33 42.91	+24 18 23.0	–	V	T08
2020-05-20 03:59:40	C	09 36 15.14	+23 36 51.6	–	V	703
2020-05-20 04:16:11	C	09 36 15.78	+23 36 44.7	–	V	703
2020-05-20 04:24:27	C	09 36 15.95	+23 36 41.5	–	V	703
2020-05-22 06:16:31	C	09 37 45.23	+23 14 11.4	–	V	T05
2020-05-22 06:26:38	C	09 37 45.52	+23 14 07.9	–	V	T05
2020-05-22 06:48:05	C	09 37 46.16	+23 13 58.4	–	V	T05
2020-05-22 06:54:57	C	09 37 46.48	+23 13 56.4	–	V	T05
2020-05-24 04:02:28	C	09 39 11.09	+22 53 27.6	–	V	703
2020-05-24 04:10:40	C	09 39 11.34	+22 53 24.7	–	V	703
2020-05-24 04:18:52	C	09 39 11.59	+22 53 20.8	–	V	703
2020-05-24 04:27:03	C	09 39 11.89	+22 53 17.1	–	V	703
2020-05-26 07:22:51	C	09 40 51.81	+22 30 10.0	–	V	T05
2020-05-26 07:28:48	C	09 40 52.03	+22 30 06.4	–	V	T05
2020-05-26 07:36:08	C	09 40 52.25	+22 30 03.5	–	V	T05
2020-05-26 07:45:33	C	09 40 52.54	+22 29 58.8	–	V	T05
2020-06-12 03:40:56	C	09 56 23.94	+19 23 07.2	–	V	G96
2020-06-12 03:47:38	C	09 56 24.22	+19 23 04.0	–	V	G96
2020-06-12 03:54:20	C	09 56 24.51	+19 23 00.7	–	V	G96
2020-06-12 04:01:03	C	09 56 24.80	+19 22 57.5	–	V	G96
2021-04-09 03:11:58	C	02 56 35.38	+30 31 14.2	–	U	I41
2021-04-09 03:15:23	C	02 56 35.98	+30 31 17.3	–	U	I41
2021-04-09 03:18:48	C	02 56 36.59	+30 31 20.5	–	U	I41
2021-04-09 03:22:12	C	02 56 37.19	+30 31 23.7	–	U	I41
2021-04-09 03:25:36	C	02 56 37.80	+30 31 26.8	–	U	I41
2021-04-10 03:19:37	C	03 00 52.88	+30 53 29.0	–	U	I41
2021-04-10 03:23:03	C	03 00 53.50	+30 53 32.0	–	U	I41
2021-04-10 03:26:27	C	03 00 54.10	+30 53 35.3	–	U	I41
2021-10-13 12:44:29	C	11 03 56.83	+19 25 36.3	–	U	I41

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1864 Daedalus (1971 FA)