Asteroids

2023EZ help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Amor

Perihelion (q)

1.022

Aphelion (Q)

1.213

Eccentricity (e)

0.086

Inclination (i)

12.3

deg

Orbit period (P)

431.4

Earth MOID

0.03504

U parameter

7.3

Next Earth close approach

Date

2036-03-17

Nominal distance (from Earth center)

0.04365

6530693

Maximum Brightness

20.9

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

2023-03-13

Observatory

Kitt Peak-Bok

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

1.117315

1-sigma variation

0.000245

Unit

Eccentricity (e)

Value

0.085665

1-sigma variation

0.000158

Unit

Inclination (i)

Value

12.2732

1-sigma variation

0.0156

Unit

Long. of Ascending Node (Ω)

Value

358.0520

1-sigma variation

0.0017

Unit

Arg. of Perihelion (ω)

Value

153.0253

1-sigma variation

0.0279

Unit

Mean Anomaly (M)

Value

284.41802

1-sigma variation

0.35423

Unit

Perihelion distance

Value

1.021600

1-sigma variation

Unit

Aphelion distance

Value

1.213030

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.196186

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.035215

1-sigma variation

Unit

MOID

Value

0.035040

1-sigma variation

Unit

Orbit Period

Value

431.3819

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.99523E-8	3.87546E-8	3.82758E-6	-4.05935E-7	6.81823E-6	-8.67344E-5
e	3.87546E-8	2.50520E-8	2.47425E-6	-2.62408E-7	4.40731E-6	-5.60671E-5
i	3.82758E-6	2.47425E-6	2.44380E-4	-2.59183E-5	4.35235E-4	-5.53739E-3
Ω	-4.05935E-7	-2.62408E-7	-2.59183E-5	2.74891E-6	-4.61555E-5	5.87267E-4
ω	6.81823E-6	4.40731E-6	4.35235E-4	-4.61555E-5	7.75989E-4	-9.86458E-3
M	-8.67344E-5	-5.60671E-5	-5.53739E-3	5.87267E-4	-9.86458E-3	1.25481E-1

Date of computation: 2026-06-04 23:11 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

26.222

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

1211

Unit

Source

[1]

Normalized RMS of residuals

Value

0.491202

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-03-13.232557

Unit

Source

[2]

Last Observation

Value

2023-03-26.21021

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

31 (1)

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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 2023EZ 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	1950-10-05 17:16	> 1 mo	0.1907465	0.1905028	0.0170143
EARTH	1964-03-20 02:48	> 1 d	0.1548670	0.0334152	0.2724397
EARTH	1977-03-17 23:29	681.1	0.0349430	0.0348345	0.0032810
EARTH	1990-03-17 14:42	172.9	0.1313044	0.0357583	0.0495234
EARTH	1996-10-03 19:12	> 1 w	0.1912374	0.1910971	0.0013976
EARTH	2010-03-21 02:21	567.9	0.1754410	0.0980647	0.0261804
EARTH	2023-03-18 17:25	< 1 min	0.0416729	0.0415101	0.0000543
EARTH	2036-03-17 10:24	359.6	0.0436550	0.0347625	0.0161196
EARTH	2042-09-21 17:46	> 1 w	0.1957977	0.1939828	0.0057755
EARTH	2049-03-17 12:01	729.3	0.1799416	0.0380946	0.0795936
EARTH	2055-10-11 12:25	> 1 w	0.1960287	0.1947917	0.0090344
EARTH	2069-03-19 19:14	> 1 d	0.1261965	0.0334786	0.1144911
EARTH	2082-03-18 03:27	1358.9	0.0349996	0.0345961	0.0119679
EARTH	2088-09-19 13:57	> 1 mo	0.1972776	0.1948242	0.0361585
EARTH	2095-03-17 20:01	> 1 d	0.1635038	0.0368606	0.4832529
EARTH	2101-10-11 00:45	> 1 mo	0.1959825	0.1948734	0.0552723
EARTH	2115-03-21 07:44	> 1 w	0.1275542	0.0335098	0.7802826

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
24.06774497	75.01337221	0.03377221	MINIMUM
220.15129854	267.45979552	0.19322041	MINIMUM
289.58311309	334.77829443	0.23821563	SADDLE
128.87485371	182.75754139	0.27597355	SADDLE
3.57901426	233.34928125	2.03110183	SADDLE
191.86976088	61.73144097	2.20247386	MAXIMUM

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MOID Plots

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