Asteroids

2025QL11 help

Last update: 2025-09-06 13:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.980

Aphelion (Q)

1.419

Eccentricity (e)

0.183

Inclination (i)

7.4

deg

Orbit period (P)

479.9

Earth MOID

0.00983

U parameter

7.2

Next Earth close approach

Date

2025-09-12

Nominal distance (from Earth center)

0.01563

2338784

Maximum Brightness

19.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.8

mag

Diameter

11 - 25*

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

1.199569

1-sigma variation

0.000269

Unit

Eccentricity (e)

Value

0.182795

1-sigma variation

0.000186

Unit

Inclination (i)

Value

7.3559

1-sigma variation

0.0061

Unit

Long. of Ascending Node (Ω)

Value

168.5664

1-sigma variation

0.0008

Unit

Arg. of Perihelion (ω)

Value

221.1527

1-sigma variation

0.0107

Unit

Mean Anomaly (M)

Value

24.71247

1-sigma variation

0.00127

Unit

Perihelion distance

Value

0.980294

1-sigma variation

Unit

Aphelion distance

Value

1.418844

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.350634

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.011920

1-sigma variation

Unit

MOID

Value

0.009834

1-sigma variation

Unit

Orbit Period

Value

479.8842

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.21634E-8	4.99864E-8	1.65120E-6	2.20427E-7	-2.84979E-6	2.69280E-7
e	4.99864E-8	3.46338E-8	1.14430E-6	1.52083E-7	-1.96946E-6	1.84174E-7
i	1.65120E-6	1.14430E-6	3.78149E-5	5.00701E-6	-6.49321E-5	6.01937E-6
Ω	2.20427E-7	1.52083E-7	5.00701E-6	7.14190E-7	-9.00880E-6	9.79302E-7
ω	-2.84979E-6	-1.96946E-6	-6.49321E-5	-9.00880E-6	1.14829E-4	-1.18171E-5
M	2.69280E-7	1.84174E-7	6.01937E-6	9.79302E-7	-1.18171E-5	1.61666E-6

Date of computation: 2025-09-06 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

26.841

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

11 - 25*

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.394639

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-28.316257

Unit

Source

[2]

Last Observation

Value

2025-09-05.533581

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

17 (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 2025QL11 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	1959-09-23 00:32	> 1 mo	0.0409241	0.0038799	0.3564878
EARTH	1988-09-21 18:40	> 1 w	0.0392087	0.0047043	0.0470686
EARTH	1992-08-27 04:49	> 1 d	0.1708597	0.0113686	0.0541089
EARTH	2021-11-18 18:37	1347.1	0.1573140	0.1410299	0.0057514
EARTH	2025-09-12 04:33	< 1 min	0.0156338	0.0155913	0.0000142
EARTH	2046-10-03 12:47	> 1 w	0.0741060	0.0157266	0.0351592
EARTH	2071-09-15 14:18	233.0	0.0126016	0.0114762	0.0004118
EARTH	2100-12-01 19:26	1026.5	0.1875069	0.1635881	0.0084552
EARTH	2104-09-16 00:17	> 1 d	0.0135043	0.0111584	0.0060421
EARTH	2108-08-31 15:27	> 1 d	0.1308896	0.0009307	0.0922132

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
327.41255563	250.56914978	0.00983406	MINIMUM
182.64506322	109.71442078	0.42514622	SADDLE
355.93902320	104.29273045	1.98426358	SADDLE
175.35569272	283.64787302	2.41289282	MAXIMUM

Download:

MOID Plots

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