Asteroids

2023KZ1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.980

Aphelion (Q)

1.643

Eccentricity (e)

0.253

Inclination (i)

23.5

deg

Orbit period (P)

548.6

Earth MOID

0.00104

U parameter

6.5

Next Earth close approach

Date

2026-05-24

Nominal distance (from Earth center)

0.02346

3509880

Maximum Brightness

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

2023-05-22

Observatory

Catalina Sky 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

1.311497

1-sigma variation

0.000114

Unit

Eccentricity (e)

Value

0.252567

1-sigma variation

0.000065

Unit

Inclination (i)

Value

23.5143

1-sigma variation

0.0031

Unit

Long. of Ascending Node (Ω)

Value

61.8539

1-sigma variation

1.050E-5

Unit

Arg. of Perihelion (ω)

Value

213.9593

1-sigma variation

0.0032

Unit

Mean Anomaly (M)

Value

218.71257

1-sigma variation

0.07289

Unit

Perihelion distance

Value

0.980256

1-sigma variation

Unit

Aphelion distance

Value

1.642738

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.565810

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.001093

1-sigma variation

Unit

MOID

Value

0.001035

1-sigma variation

Unit

Orbit Period

Value

548.5921

1-sigma variation

Unit

U parameter

Value

6.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.29760E-8	7.42791E-9	3.48133E-7	1.19176E-9	-3.63694E-7	-8.30309E-6
e	7.42791E-9	4.25204E-9	1.99286E-7	6.82269E-10	-2.08173E-7	-4.75300E-6
i	3.48133E-7	1.99286E-7	9.34150E-6	3.19705E-8	-9.75605E-6	-2.22765E-4
Ω	1.19176E-9	6.82269E-10	3.19705E-8	1.10323E-10	-3.33649E-8	-7.62607E-7
ω	-3.63694E-7	-2.08173E-7	-9.75605E-6	-3.33649E-8	1.02052E-5	2.32715E-4
M	-8.30309E-6	-4.75300E-6	-2.22765E-4	-7.62607E-7	2.32715E-4	5.31300E-3

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

26.227

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

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

844

Unit

Source

[1]

Normalized RMS of residuals

Value

0.619113

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-05-22.416049

Unit

Source

[2]

Last Observation

Value

2023-05-24.35851

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

81 (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

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 2023KZ1 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	2017-05-11 20:59	314.9	0.1951340	0.1814722	0.0045547
EARTH	2020-05-17 10:37	194.7	0.0918318	0.0845669	0.0024217
EARTH	2023-05-23 15:28	< 1 s	0.0026403	0.0026392	0.0000004
EARTH	2026-05-24 20:57	219.2	0.0234621	0.0162394	0.0024125
EARTH	2029-05-28 15:10	68.8	0.0850654	0.0827945	0.0007570
EARTH	2032-06-02 14:15	95.6	0.1595714	0.1566007	0.0009902
EARTH	2118-05-17 02:21	> 1 d	0.1296145	0.0338354	0.0319585
EARTH	2121-05-21 08:30	> 1 d	0.0507369	0.0024014	0.0290413
EARTH	2124-05-24 12:46	1321.5	0.0076511	0.0037058	0.0130755

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
333.56471896	139.10613007	0.00253170	MINIMUM
80.97934273	272.51392295	0.43523924	MINIMUM
59.92065212	249.31117731	0.43941196	SADDLE
205.97661452	11.24400740	0.74909476	SADDLE
9.16041585	2.95699592	1.94732653	SADDLE
174.53943595	167.36914936	2.64464776	MAXIMUM

Download:

MOID Plots

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