Asteroids

2023KZ help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.035

Aphelion (Q)

1.321

Eccentricity (e)

0.121

Inclination (i)

7.7

deg

Orbit period (P)

467.1

Earth MOID

0.02145

U parameter

7.1

Next Earth close approach

Date

2046-06-07

Nominal distance (from Earth center)

0.12017

17977454

Maximum Brightness

25.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.2

mag

Diameter

10 - 22*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-05-20

Observatory

Mt. Lemmon Survey

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.178215

1-sigma variation

0.000207

Unit

Eccentricity (e)

Value

0.121277

1-sigma variation

0.000138

Unit

Inclination (i)

Value

7.7326

1-sigma variation

0.0064

Unit

Long. of Ascending Node (Ω)

Value

64.2331

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

173.6419

1-sigma variation

0.0043

Unit

Mean Anomaly (M)

Value

346.12634

1-sigma variation

0.18977

Unit

Perihelion distance

Value

1.035325

1-sigma variation

Unit

Aphelion distance

Value

1.321106

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.333053

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.021461

1-sigma variation

Unit

MOID

Value

0.021452

1-sigma variation

Unit

Orbit Period

Value

467.1274

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.28330E-8	2.85221E-8	1.33396E-6	3.37188E-8	8.67698E-7	-3.92751E-5
e	2.85221E-8	1.89926E-8	8.88272E-7	2.24532E-8	5.77753E-7	-2.61529E-5
i	1.33396E-6	8.88272E-7	4.15451E-5	1.05000E-6	2.70277E-5	-1.22316E-3
Ω	3.37188E-8	2.24532E-8	1.05000E-6	2.66334E-8	6.77944E-7	-3.09140E-5
ω	8.67698E-7	5.77753E-7	2.70277E-5	6.77944E-7	1.83397E-5	-7.96212E-4
M	-3.92751E-5	-2.61529E-5	-1.22316E-3	-3.09140E-5	-7.96212E-4	3.60132E-2

Date of computation: 2025-09-10 00:30 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

27.168

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

10 - 22*

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

851

Unit

Source

[1]

Normalized RMS of residuals

Value

0.636088

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-05-20.362279

Unit

Source

[2]

Last Observation

Value

2023-05-26.43578

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

53 (2)

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

Close Approaches for 2023KZ from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1959-06-04 09:07	> 1 d	0.0884735	0.0468252	0.0139957
EARTH	1968-05-19 03:12	> 1 d	0.0596430	0.0169317	0.0558895
EARTH	1991-06-10 11:15	731.3	0.1493679	0.1242918	0.0083595
EARTH	2000-05-16 12:27	> 1 d	0.0815663	0.0116816	0.0328110
EARTH	2023-05-26 01:09	< 1 min	0.0228678	0.0228082	0.0000198
EARTH	2046-06-07 12:50	> 1 d	0.1201719	0.0204142	0.0332897
EARTH	2055-05-12 15:43	> 1 d	0.1279347	0.0503018	0.0258786
EARTH	2078-05-25 18:56	> 1 d	0.0228521	0.0228120	0.0015626
EARTH	2101-06-13 20:37	> 1 mo	0.1691421	0.0106060	1.0326188
EARTH	2110-05-18 04:04	> 1 mo	0.0829451	0.0121680	1.0386913

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
5.51941847	141.27137265	0.02326899	MINIMUM
181.69438722	317.62475518	0.33346279	SADDLE
4.54835240	320.18609707	2.02309219	SADDLE
183.95721111	139.60326610	2.33312461	MAXIMUM

Download:

MOID Plots

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