Asteroids

2023KC3 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.030

Aphelion (Q)

1.639

Eccentricity (e)

0.228

Inclination (i)

18.6

deg

Orbit period (P)

563.0

Earth MOID

0.02767

U parameter

7.7

Next Earth close approach

Date

2060-05-22

Nominal distance (from Earth center)

0.06133

9175357

Maximum Brightness

22.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.4

mag

Diameter

14 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-05-25

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

1.334359

1-sigma variation

0.000743

Unit

Eccentricity (e)

Value

0.228441

1-sigma variation

0.000412

Unit

Inclination (i)

Value

18.5795

1-sigma variation

0.0187

Unit

Long. of Ascending Node (Ω)

Value

243.0880

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

21.3414

1-sigma variation

0.0092

Unit

Mean Anomaly (M)

Value

209.26962

1-sigma variation

0.46814

Unit

Perihelion distance

Value

1.029537

1-sigma variation

Unit

Aphelion distance

Value

1.639181

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.028486

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.619451

1-sigma variation

Unit

MOID

Value

0.027668

1-sigma variation

Unit

Orbit Period

Value

562.9986

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.51578E-7	3.05979E-7	1.38811E-5	-1.98605E-7	-6.29584E-6	-3.47678E-4
e	3.05979E-7	1.69750E-7	7.69877E-6	-1.10186E-7	-3.48001E-6	-1.92876E-4
i	1.38811E-5	7.69877E-6	3.49569E-4	-4.99657E-6	-1.59942E-4	-8.74885E-3
Ω	-1.98605E-7	-1.10186E-7	-4.99657E-6	7.15593E-8	2.25358E-6	1.25195E-4
ω	-6.29584E-6	-3.48001E-6	-1.59942E-4	2.25358E-6	8.42723E-5	3.96109E-3
M	-3.47678E-4	-1.92876E-4	-8.74885E-3	1.25195E-4	3.96109E-3	2.19158E-1

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

26.39

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

14 - 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

843

Unit

Source

[1]

Normalized RMS of residuals

Value

0.720418

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-05-25.318609

Unit

Source

[2]

Last Observation

Value

2023-05-26.984122

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

43 (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 2023KC3 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	1966-05-21 12:05	> 1 d	0.0751828	0.0258609	0.0766251
EARTH	1986-05-31 07:11	> 1 w	0.0914536	0.0235920	0.1481981
EARTH	2003-05-14 17:38	> 1 d	0.1983838	0.0115096	0.1009762
EARTH	2023-05-26 09:03	< 1 min	0.0296953	0.0295961	0.0000331
EARTH	2060-05-22 03:56	> 1 w	0.0613335	0.0275399	0.1465367
EARTH	2080-05-29 03:42	> 1 d	0.0660057	0.0280070	0.0164372
EARTH	2117-05-28 02:07	> 1 w	0.0366086	0.0295008	0.1412793

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
343.98629568	141.41274021	0.02913421	MINIMUM
198.43436994	355.42595214	0.68246343	SADDLE
5.96600912	348.23501858	2.00890258	SADDLE
177.80634327	159.68845458	2.65061528	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out