Asteroids

2025TQ help

Last update: 2025-10-04 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.905

Aphelion (Q)

2.138

Eccentricity (e)

0.405

Inclination (i)

6.5

deg

Orbit period (P)

685.5

Earth MOID

0.00151

U parameter

7.2

Next Earth close approach

Date

2040-10-08

Nominal distance (from Earth center)

0.07628

11411815

Maximum Brightness

25.9

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

28.9

mag

Diameter

4 - 10*

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

1.521441

1-sigma variation

0.000459

Unit

Eccentricity (e)

Value

0.405359

1-sigma variation

0.000204

Unit

Inclination (i)

Value

6.5304

1-sigma variation

0.0024

Unit

Long. of Ascending Node (Ω)

Value

188.7652

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

130.8357

1-sigma variation

0.0008

Unit

Mean Anomaly (M)

Value

46.75728

1-sigma variation

0.02306

Unit

Perihelion distance

Value

0.904712

1-sigma variation

Unit

Aphelion distance

Value

2.138171

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.730110

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.003760

1-sigma variation

Unit

MOID

Value

0.001513

1-sigma variation

Unit

Orbit Period

Value

685.4586

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.10642E-7	9.33987E-8	1.09663E-6	3.99299E-8	-2.62358E-7	-1.05849E-5
e	9.33987E-8	4.14148E-8	4.86694E-7	1.76880E-8	-1.17144E-7	-4.69305E-6
i	1.09663E-6	4.86694E-7	5.84839E-6	2.02711E-7	-1.58010E-6	-5.50219E-5
Ω	3.99299E-8	1.76880E-8	2.02711E-7	7.83558E-9	-4.15265E-8	-2.00982E-6
ω	-2.62358E-7	-1.17144E-7	-1.58010E-6	-4.15265E-8	7.01398E-7	1.30384E-5
M	-1.05849E-5	-4.69305E-6	-5.50219E-5	-2.00982E-6	1.30384E-5	5.31960E-4

Date of computation: 2025-10-04 13:00 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

28.863

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

4 - 10*

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

[-]

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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

0.507763

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-10-02.357149

Unit

Source

[2]

Last Observation

Value

2025-10-03.479137

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (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 2025TQ 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	1954-10-04 07:49	> 1 d	0.0288496	0.0028367	0.0311264
EARTH	1956-06-13 10:28	> 1 d	0.1166008	0.1070764	0.0106116
EARTH	1979-07-21 17:14	> 1 w	0.1344575	0.1280779	0.0032140
EARTH	2002-09-16 04:48	> 1 w	0.0766443	0.0082911	0.0455345
EARTH	2025-10-01 03:32	< 1 min	0.0020778	0.0020752	0.0000009
EARTH	2040-10-08 17:03	> 1 d	0.0762833	0.0010378	0.0418713
EARTH	2057-06-09 04:29	1435.6	0.1454621	0.1230240	0.0091677
EARTH	2072-06-28 19:58	> 1 d	0.1221507	0.1156325	0.0036003
EARTH	2087-08-13 19:33	> 1 w	0.1369519	0.1172033	0.0089612
EARTH	2102-09-21 20:17	> 1 w	0.0636001	0.0059246	0.0550422
EARTH	2117-10-02 07:45	1204.7	0.0050003	0.0004685	0.0062925

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
32.64612470	267.76564604	0.00151340	MINIMUM
324.11909869	165.04181014	0.11359147	MINIMUM
351.68191066	206.18021559	0.14285584	SADDLE
178.67440290	37.33406182	1.15789517	SADDLE
358.13120186	36.24120875	1.88992412	SADDLE
179.61499034	217.93491753	3.15001194	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2025TQ

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2093-10-01.857	85786.857	-1.590	1.15 ± 0.006	9.79E5	2.23E-7	7.82E-3	-8.65
2100-10-02.513	88343.513	2.647	0.21 ± 0.014	4.94E5	7.23E-8	7.89E-3	-9.18
2100-10-02.515	88343.515	-0.979	0.62 ± 0.004	1.72E6	3.94E-7	7.81E-3	-8.44
2101-10-02.757	88708.757	-1.743	0.09 ± 0.179	2.81E7	9.26E-9	7.81E-3	-10.08
2102-10-03.057	89074.057	-0.926	0.38 ± 0.004	1.20E5	6.34E-6	7.81E-3	-7.25
2102-10-03.064	89074.064	2.298	1.19 ± 0.006	5.15E3	1.13E-5	7.88E-3	-6.99
2102-10-03.068	89074.068	-0.537	0.82 ± 0.006	4.22E3	2.06E-4	7.82E-3	-5.73
2107-10-03.251	90900.251	-1.773	1.23 ± 0.008	1.66E6	8.91E-8	7.79E-3	-9.13
2107-10-03.305	90900.305	-2.110	0.83 ± 0.006	1.21E5	8.92E-7	7.79E-3	-8.13


Based on 22 optical observations (of which 1 are rejected as outliers) from 2025/10/02.357 to 2025/10/03.479.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.50 and 1.50 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20251004 131446.030 UTC.

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Download Impactor Table as: