Asteroids

2025XQ3 help

Last update: 2025-12-20 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.826

Aphelion (Q)

2.132

Eccentricity (e)

0.442

Inclination (i)

19.1

deg

Orbit period (P)

656.9

Earth MOID

0.02275

U parameter

8.0

Next Earth close approach

Date

2034-12-17

Nominal distance (from Earth center)

0.04566

6830587

Maximum Brightness

20.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

26 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-12-13

Observatory

JPL SynTrack Robotic Telescope, Auberry

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

1.478934

1-sigma variation

0.001307

Unit

Eccentricity (e)

Value

0.441570

1-sigma variation

0.000548

Unit

Inclination (i)

Value

19.1398

1-sigma variation

0.0184

Unit

Long. of Ascending Node (Ω)

Value

84.7575

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

67.2805

1-sigma variation

0.0112

Unit

Mean Anomaly (M)

Value

318.67830

1-sigma variation

0.06593

Unit

Perihelion distance

Value

0.825881

1-sigma variation

Unit

Aphelion distance

Value

2.131988

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.032926

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.417818

1-sigma variation

Unit

MOID

Value

0.022754

1-sigma variation

Unit

Orbit Period

Value

656.9339

1-sigma variation

Unit

U parameter

Value

8.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.70776E-6	7.16226E-7	2.39815E-5	-1.60623E-7	-1.46634E-5	8.61622E-5
e	7.16226E-7	3.00382E-7	1.00577E-5	-6.73636E-8	-6.14973E-6	3.61361E-5
i	2.39815E-5	1.00577E-5	3.36767E-4	-2.25571E-6	-2.05914E-4	1.20995E-3
Ω	-1.60623E-7	-6.73636E-8	-2.25571E-6	1.51266E-8	1.37938E-6	-8.10403E-6
ω	-1.46634E-5	-6.14973E-6	-2.05914E-4	1.37938E-6	1.25914E-4	-7.39821E-4
M	8.61622E-5	3.61361E-5	1.20995E-3	-8.10403E-6	-7.39821E-4	4.34718E-3

Date of computation: 2025-12-20 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

25.048

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

26 - 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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.567164

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-12-11.278377

Unit

Source

[2]

Last Observation

Value

2025-12-19.87347

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

62 (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 2025XQ3 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
MARS	1956-05-02 02:28	> 1 d	0.0321104	0.0136190	0.0918508
EARTH	2007-12-29 02:53	> 1 w	0.1393472	0.0109776	0.1001131
EARTH	2016-12-22 04:51	> 1 d	0.0548166	0.0216434	0.0696531
EARTH	2025-12-19 15:39	< 1 s	0.0229799	0.0229089	0.0000236
EARTH	2034-12-17 14:42	> 1 d	0.0456597	0.0229511	0.0656528
MARS	2037-03-16 10:26	> 1 d	0.0255083	0.0072797	0.0561182
EARTH	2043-12-11 23:23	> 1 d	0.1548503	0.0170281	0.0682813
MARS	2076-09-16 08:37	867.5	0.0415888	0.0026232	0.0206715
EARTH	2113-12-31 09:36	> 1 w	0.1611771	0.0096961	0.1144029
EARTH	2122-12-24 10:53	> 1 w	0.0650852	0.0246624	0.1119734

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
317.18216869	346.38878095	0.02275440	MINIMUM
56.58579315	133.20343623	0.20957239	MINIMUM
12.22300470	68.90875035	0.34038159	SADDLE
184.35531508	232.76443190	1.20885796	SADDLE
4.12402135	235.41215887	1.81470706	SADDLE
179.19512663	49.39106874	3.08981257	MAXIMUM

Download:

MOID Plots

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