Asteroids

2025QK3 help

Last update: 2025-08-25 13:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

1.014

Aphelion (Q)

1.232

Eccentricity (e)

0.097

Inclination (i)

24.2

deg

Orbit period (P)

434.7

Earth MOID

0.02080

U parameter

7.8

Next Earth close approach

Date

2025-08-26

Nominal distance (from Earth center)

0.03003

4492738

Maximum Brightness

19.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.9

mag

Diameter

27 - 60*

Taxonomic type

Rotation period (T)

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

1.123109

1-sigma variation

0.000569

Unit

Eccentricity (e)

Value

0.096894

1-sigma variation

0.000394

Unit

Inclination (i)

Value

24.1655

1-sigma variation

0.0350

Unit

Long. of Ascending Node (Ω)

Value

153.7379

1-sigma variation

0.0019

Unit

Arg. of Perihelion (ω)

Value

216.4509

1-sigma variation

0.1114

Unit

Mean Anomaly (M)

Value

41.96425

1-sigma variation

0.06346

Unit

Perihelion distance

Value

1.014287

1-sigma variation

Unit

Aphelion distance

Value

1.231931

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.216491

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.020907

1-sigma variation

Unit

MOID

Value

0.020797

1-sigma variation

Unit

Orbit Period

Value

434.7418

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.23982E-7	2.24077E-7	1.99348E-5	1.06900E-6	-6.33613E-5	3.60930E-5
e	2.24077E-7	1.54989E-7	1.37897E-5	7.39360E-7	-4.38130E-5	2.49554E-5
i	1.99348E-5	1.37897E-5	1.22718E-3	6.57784E-5	-3.89623E-3	2.21890E-3
Ω	1.06900E-6	7.39360E-7	6.57784E-5	3.52743E-6	-2.09058E-4	1.19086E-4
ω	-6.33613E-5	-4.38130E-5	-3.89623E-3	-2.09058E-4	1.24024E-2	-7.06729E-3
M	3.60930E-5	2.49554E-5	2.21890E-3	1.19086E-4	-7.06729E-3	4.02769E-3

Date of computation: 2025-08-25 13:30 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

24.941

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

27 - 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

0.9

Unit

Source

[1]

Normalized RMS of residuals

Value

0.434768

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-21.861209

Unit

Source

[2]

Last Observation

Value

2025-08-24.950737

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

64 (0)

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 2025QK3 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	1969-08-27 09:10	> 1 d	0.0217951	0.0214528	0.0185728
EARTH	1994-08-31 02:53	> 1 d	0.1095918	0.0201297	0.1240303
EARTH	2000-08-21 22:02	> 1 d	0.1473971	0.0183800	0.1090236
EARTH	2025-08-26 15:42	< 1 min	0.0300321	0.0298932	0.0000463
EARTH	2050-08-25 21:02	> 1 d	0.0565105	0.0212504	0.1022642
EARTH	2069-08-31 21:13	> 1 d	0.1360737	0.0210064	0.0417531
EARTH	2075-08-21 14:12	741.4	0.1816389	0.1348400	0.0156254
EARTH	2094-08-28 10:47	> 1 d	0.0292847	0.0216646	0.0471091
EARTH	2119-08-30 23:19	> 1 w	0.0604346	0.0213966	0.2119205

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
326.99038451	233.46597443	0.02079700	MINIMUM
135.46394460	47.88469312	0.21409067	MINIMUM
52.78211043	327.14575767	0.43234712	SADDLE
231.21110838	134.61271297	0.49026719	SADDLE
15.69454236	104.62481555	1.99474742	SADDLE
159.35232116	247.88451928	2.22778577	MAXIMUM

Download:

MOID Plots

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