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
2020-01-28 14:50:33	C	11 23 46.588	+30 07 22.14	–	U	F52
2020-01-28 15:06:49	C	11 23 45.636	+30 07 29.31	–	U	F52
2020-01-28 15:23:09	C	11 23 44.685	+30 07 36.42	–	U	F52
2020-01-29 09:07:47	C	11 22 43.86	+30 15 26.5	–	V	703
2020-01-29 09:15:21	C	11 22 43.40	+30 15 30.1	–	V	703
2020-01-29 09:22:53	C	11 22 43.00	+30 15 33.4	–	V	703
2020-01-29 09:30:26	C	11 22 42.50	+30 15 37.3	–	V	703
2020-01-29 12:12:12	C	11 22 33.17	+30 16 49.4	–	V	T08
2020-01-29 12:26:23	C	11 22 32.33	+30 16 56.0	–	V	T08
2020-01-29 12:54:20	C	11 22 30.63	+30 17 08.1	–	V	T08
2020-01-31 10:28:13	C	11 19 46.19	+30 37 08.6	–	V	T05
2020-01-31 10:32:33	C	11 19 45.89	+30 37 11.6	–	V	T05
2020-01-31 10:42:00	C	11 19 45.31	+30 37 14.8	–	V	T05
2020-01-31 10:57:56	C	11 19 44.28	+30 37 21.9	–	V	T05
2020-02-01 08:11:42	C	11 18 24.09	+30 46 35.3	–	V	703
2020-02-01 08:19:19	C	11 18 23.59	+30 46 38.7	–	V	703
2020-02-01 08:26:56	C	11 18 23.11	+30 46 41.7	–	V	703
2020-02-01 08:34:32	C	11 18 22.60	+30 46 46.0	–	V	703
2020-02-02 11:44:17	C	11 16 37.00	+30 58 28.7	–	V	T08
2020-02-02 11:57:18	C	11 16 36.11	+30 58 34.9	–	V	T08
2020-02-02 12:01:43	C	11 16 35.79	+30 58 36.4	–	V	T08
2020-02-02 12:15:59	C	11 16 34.84	+30 58 42.7	–	V	T08
2020-02-03 02:49:01	C	11 15 36.82	+31 04 54.5	18.0	q	J43
2020-02-03 03:01:52	C	11 15 35.95	+31 04 59.9	17.9	q	J43
2020-02-03 03:14:25	C	11 15 35.08	+31 05 05.2	18.0	q	J43
2020-02-03 03:26:47	C	11 15 34.24	+31 05 10.4	18.2	q	J43
2020-02-04 16:01:08	C	11 13 04.01	+31 20 33.8	–	V	T05
2020-02-04 16:06:31	C	11 13 03.62	+31 20 35.3	–	V	T05
2020-02-04 16:07:11	C	11 13 03.52	+31 20 36.0	–	V	T05
2020-02-04 16:09:50	C	11 13 03.38	+31 20 37.5	–	V	T05
2020-02-05 07:17:57	C	11 12 00.17	+31 26 52.1	–	V	703
2020-02-05 07:25:28	C	11 11 59.69	+31 26 55.3	–	V	703
2020-02-05 07:33:01	C	11 11 59.16	+31 26 59.5	–	V	703
2020-02-05 07:40:34	C	11 11 58.67	+31 27 02.0	–	V	703
2020-02-06 10:14:16	C	11 10 04.51	+31 37 53.1	–	V	T08
2020-02-06 10:18:41	C	11 10 04.16	+31 37 54.4	–	V	T08
2020-02-06 10:27:47	C	11 10 03.52	+31 37 58.7	–	V	T08
2020-02-06 10:44:02	C	11 10 02.30	+31 38 05.8	–	V	T08
2020-02-07 06:58:01	C	11 08 33.46	+31 46 09.3	–	U	I41
2020-02-07 06:59:19	C	11 08 33.36	+31 46 09.8	–	U	I41
2020-02-07 10:12:01	C	11 08 18.79	+31 47 27.0	–	U	I41
2020-02-07 10:13:22	C	11 08 18.69	+31 47 27.5	–	U	I41
2020-02-15 08:01:31	C	10 53 13.95	+32 54 43.9	–	V	703
2020-02-15 08:09:07	C	10 53 13.31	+32 54 46.0	–	V	703
2020-02-15 08:16:43	C	10 53 12.62	+32 54 48.2	–	V	703
2020-02-15 08:24:19	C	10 53 11.98	+32 54 51.3	–	V	703
2020-02-15 21:43:41	C	10 52 04.84	+32 58 50.6	–	V	K83
2020-02-15 21:47:25	C	10 52 04.54	+32 58 51.6	–	V	K83
2020-02-15 21:51:08	C	10 52 04.21	+32 58 53.1	–	V	K83
2020-02-18 07:51:56	C	10 47 06.52	+33 15 11.1	–	V	703

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1864 Daedalus (1971 FA)