Asteroids

2025KX8 help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.896

Aphelion (Q)

1.708

Eccentricity (e)

0.312

Inclination (i)

6.5

deg

Orbit period (P)

542.7

Earth MOID

0.01331

U parameter

7.7

Next Earth close approach

Date

2028-05-20

Nominal distance (from Earth center)

0.15621

23369000

Maximum Brightness

23.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.9

mag

Diameter

28 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-30

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

1.302023

1-sigma variation

0.000755

Unit

Eccentricity (e)

Value

0.312187

1-sigma variation

0.000515

Unit

Inclination (i)

Value

6.4644

1-sigma variation

0.0084

Unit

Long. of Ascending Node (Ω)

Value

77.4080

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

232.3558

1-sigma variation

0.0007

Unit

Mean Anomaly (M)

Value

81.73404

1-sigma variation

0.06097

Unit

Perihelion distance

Value

0.895548

1-sigma variation

Unit

Aphelion distance

Value

1.708497

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.466774

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.029579

1-sigma variation

Unit

MOID

Value

0.013313

1-sigma variation

Unit

Orbit Period

Value

542.6580

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.69844E-7	3.88944E-7	6.35342E-6	-3.96170E-7	-1.96892E-7	-4.60245E-5
e	3.88944E-7	2.65482E-7	4.33658E-6	-2.69648E-7	-1.32364E-7	-3.14149E-5
i	6.35342E-6	4.33658E-6	7.08396E-5	-4.41384E-6	-2.17347E-6	-5.13156E-4
Ω	-3.96170E-7	-2.69648E-7	-4.41384E-6	3.41500E-7	2.81491E-7	3.19119E-5
ω	-1.96892E-7	-1.32364E-7	-2.17347E-6	2.81491E-7	4.85215E-7	1.56758E-5
M	-4.60245E-5	-3.14149E-5	-5.13156E-4	3.19119E-5	1.56758E-5	3.71738E-3

Date of computation: 2025-11-24 16:53 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

24.91

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

28 - 60*

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

191

Unit

Source

[1]

Normalized RMS of residuals

Value

0.582208

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-21.351678

Unit

Source

[2]

Last Observation

Value

2025-05-31.02414

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

63 (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 2025KX8 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	1951-05-25 09:50	> 1 mo	0.0876920	0.0164343	0.9879767
EARTH	1979-10-10 13:32	> 1 d	0.1366364	0.1093370	0.0300137
EARTH	1982-08-15 20:26	> 1 w	0.1491023	0.1463846	0.0048928
EARTH	1985-06-06 18:08	> 1 w	0.0344109	0.0142295	0.1438161
EARTH	1988-05-18 08:07	> 1 w	0.1862454	0.0204314	0.1672772
MARS	2002-05-16 09:55	> 1 w	0.0400497	0.0158157	0.0678402
EARTH	2019-10-04 20:09	> 1 d	0.1063097	0.1056787	0.0034630
EARTH	2022-08-01 21:10	> 1 w	0.1474061	0.1426340	0.0019216
EARTH	2025-06-04 16:08	< 1 min	0.0214316	0.0213362	0.0000318
EARTH	2028-05-20 08:18	1266.3	0.1562121	0.1084558	0.0159693
EARTH	2065-10-11 16:34	> 1 w	0.1552888	0.1051851	0.1308608
EARTH	2068-09-20 22:05	> 1 mo	0.1224841	0.1064627	0.0744268
EARTH	2071-07-22 18:32	> 1 mo	0.1401490	0.1063086	0.0508755
EARTH	2074-06-06 21:30	> 1 w	0.0308147	0.0122948	0.1653141
EARTH	2077-05-23 22:16	> 1 d	0.1099603	0.0301555	0.0272754
MARS	2115-03-13 16:42	> 1 mo	0.0184722	0.0163469	0.6237265
EARTH	2123-10-08 04:50	> 1 mo	0.1111647	0.1052328	1.2366085

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
315.91754891	149.56723698	0.01331328	MINIMUM
44.90112051	268.99737011	0.10626028	MINIMUM
6.29530421	217.67447234	0.14985410	SADDLE
180.63043964	28.46174148	0.73218646	SADDLE
359.03698522	27.45090187	1.87922987	SADDLE
178.77782104	207.12221843	2.72213907	MAXIMUM

Download:

MOID Plots

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