Asteroids

2026JZ1 help

Last update: 2026-05-18 13:46 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

1.001

Aphelion (Q)

1.105

Eccentricity (e)

0.049

Inclination (i)

32.3

deg

Orbit period (P)

394.7

Earth MOID

0.02181

U parameter

7.4

Next Earth close approach

Date

2039-05-06

Nominal distance (from Earth center)

0.19305

28880235

Maximum Brightness

25.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.2

mag

Diameter

15 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-05-10

Observatory

JPL SynTrack Robotic Telescope, Auberry

ORBIT VISUALISATION TOOLS

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Long. of Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion distance
Aphelion distance
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period
U parameter

Value

1-sigma variation

Unit

Epoch

Value

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.052978

1-sigma variation

0.000260

Unit

Eccentricity (e)

Value

0.049073

1-sigma variation

0.000109

Unit

Inclination (i)

Value

32.3106

1-sigma variation

0.0200

Unit

Long. of Ascending Node (Ω)

Value

50.0239

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

111.8952

1-sigma variation

0.2340

Unit

Mean Anomaly (M)

Value

88.94593

1-sigma variation

0.24577

Unit

Perihelion distance

Value

1.001305

1-sigma variation

Unit

Aphelion distance

Value

1.104650

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.079746

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.021861

1-sigma variation

Unit

MOID

Value

0.021815

1-sigma variation

Unit

Orbit Period

Value

394.6637

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.76504E-8	2.83719E-8	5.19614E-6	-7.23709E-8	6.08627E-5	-6.39193E-5
e	2.83719E-8	1.19321E-8	2.18099E-6	-3.03792E-8	2.55040E-5	-2.67902E-5
i	5.19614E-6	2.18099E-6	3.99294E-4	-5.56143E-6	4.67358E-3	-4.90859E-3
Ω	-7.23709E-8	-3.03792E-8	-5.56143E-6	7.74622E-8	-6.50909E-5	6.83643E-5
ω	6.08627E-5	2.55040E-5	4.67358E-3	-6.50909E-5	5.47696E-2	-5.75168E-2
M	-6.39193E-5	-2.67902E-5	-4.90859E-3	6.83643E-5	-5.75168E-2	6.04026E-2

Date of computation: 2026-05-18 13:46 UTC

Note: The ASCII file is in a format suitable for Orbfit input.

Download ASCII file:

Physical properties

Rotation Period
Quality
Amplitude
Rotation Direction
Spinvector L
Spinvector B

Rotational properties

Value

Unit

Source

Rotation Period

Value

Unit

Source

[-]

Quality

Value

Unit

Source

[-]

Amplitude

Value

Unit

mag

Source

[-]

Rotation Direction

Value

Unit

Source

[-]

Spinvector L

Value

Unit

Source

[-]

Spinvector B

Value

Unit

Source

[-]

Taxonomy
Taxonomy (all)

Taxonomy

Value

Unit

Source

Taxonomy

Value

Unit

Source

[-]

Taxonomy (all)

Value

Unit

Source

[-]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

26.213

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

15 - 30*

Unit

Source

[2]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Unit

Source

[-]

Download this part as:

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.751721

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-05-10.440678

Unit

Source

[2]

Last Observation

Value

2026-05-12.177437

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

44 (4)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

Unit

Source

[-]

Last Observation

Value

Unit

Source

[-]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[-]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[-]

Note: The ASCII file is in a format suitable for Orbfit input.

Sources

No.	Name	Additional
[1]	ESA Aegis	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2026JZ1 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1958-11-12 11:50	807.9	0.1062705	0.0805833	0.0459474
EARTH	1959-05-11 13:52	> 1 d	0.0305171	0.0215793	0.0511997
EARTH	1972-05-06 04:56	> 1 d	0.1564272	0.0223349	0.0783601
EARTH	1985-11-13 02:21	566.8	0.0905225	0.0806490	0.0312867
EARTH	1986-05-14 18:58	> 1 d	0.1431953	0.0217607	0.0663344
EARTH	1998-11-12 06:49	658.5	0.1412862	0.0825621	0.0450445
EARTH	1999-05-10 12:11	> 1 d	0.0310462	0.0216645	0.0379924
EARTH	2012-11-13 08:10	185.2	0.1475167	0.0917559	0.0236575
EARTH	2025-11-12 07:52	7.0	0.1176755	0.1146578	0.0010069
EARTH	2026-05-11 03:10	< 1 min	0.0226422	0.0225977	0.0000148
EARTH	2039-05-06 05:09	915.8	0.1931248	0.1085815	0.0283400
EARTH	2039-11-14 08:17	91.8	0.1984305	0.1254666	0.0263286
EARTH	2052-11-12 17:36	509.2	0.0806718	0.0800417	0.0064992
EARTH	2053-05-13 05:19	> 1 d	0.0905349	0.0211860	0.0526788
EARTH	2066-05-08 15:28	> 1 d	0.0927936	0.0219691	0.0740411
EARTH	2079-11-14 02:28	488.9	0.1132776	0.0820713	0.0467092
EARTH	2080-05-15 18:43	> 1 d	0.1840585	0.0214389	0.0676703
EARTH	2092-11-12 04:11	572.2	0.1295865	0.0818789	0.0393201
EARTH	2093-05-10 17:32	> 1 d	0.0223752	0.0215766	0.0133648
EARTH	2106-11-15 04:43	1205.6	0.1601634	0.0832988	0.2138928
EARTH	2119-11-14 04:54	> 1 d	0.1095201	0.0815829	0.2657230
EARTH	2120-05-12 08:13	> 1 w	0.0310036	0.0215648	0.2937933

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
65.36972344	124.72689932	0.02181494	MINIMUM
251.32145245	306.81544808	0.07954083	MINIMUM
338.87428672	34.67008812	0.55432661	SADDLE
157.66254207	216.95769108	0.59419036	SADDLE
346.71001404	224.19996567	1.93680299	SADDLE
144.36796469	21.72405188	2.00174277	SADDLE
82.48164715	319.67206481	2.02719143	MAXIMUM
237.86148955	115.73721337	2.08411093	MAXIMUM

Download:

MOID Plots

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