Asteroids

2025XM6 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.817

Aphelion (Q)

1.383

Eccentricity (e)

0.258

Inclination (i)

2.6

deg

Orbit period (P)

421.3

Earth MOID

0.00198

U parameter

6.8

Next Earth close approach

Date

2032-08-11

Nominal distance (from Earth center)

0.17217

25755686

Maximum Brightness

33.4

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

28.6

mag

Diameter

5 - 11*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-12-14

Observatory

Pan-STARRS 1, Haleakala

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.099846

1-sigma variation

0.000117

Unit

Eccentricity (e)

Value

0.257538

1-sigma variation

0.000164

Unit

Inclination (i)

Value

2.6240

1-sigma variation

0.0016

Unit

Long. of Ascending Node (Ω)

Value

264.8321

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

90.1769

1-sigma variation

0.0022

Unit

Mean Anomaly (M)

Value

209.21624

1-sigma variation

0.04009

Unit

Perihelion distance

Value

0.816594

1-sigma variation

Unit

Aphelion distance

Value

1.383098

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.011537

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.041973

1-sigma variation

Unit

MOID

Value

0.001980

1-sigma variation

Unit

Orbit Period

Value

421.3046

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.37461E-8	1.91520E-8	1.91243E-7	-1.09253E-8	-2.31150E-7	-4.70049E-6
e	1.91520E-8	2.67941E-8	2.64501E-7	-1.53259E-8	-3.31368E-7	-6.55267E-6
i	1.91243E-7	2.64501E-7	2.69812E-6	-1.50731E-7	-3.05580E-6	-6.53272E-5
Ω	-1.09253E-8	-1.53259E-8	-1.50731E-7	9.42151E-9	1.91810E-7	3.73938E-6
ω	-2.31150E-7	-3.31368E-7	-3.05580E-6	1.91810E-7	4.68874E-6	7.93353E-5
M	-4.70049E-6	-6.55267E-6	-6.53272E-5	3.73938E-6	7.93353E-5	1.60747E-3

Date of computation: 2026-03-17 23:26 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

28.606

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

5 - 11*

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

166

Unit

Source

[1]

Normalized RMS of residuals

Value

0.496377

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-12-14.341374

Unit

Source

[2]

Last Observation

Value

2025-12-19.338997

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2025XM6 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
EARTH	1956-06-23 10:04	> 1 d	0.0598077	0.0014031	0.0294493
EARTH	1964-10-09 04:29	> 1 mo	0.1785968	0.1198096	0.0195970
EARTH	1971-06-15 03:57	> 1 d	0.0630088	0.0004471	0.1444246
EARTH	1972-12-16 15:01	> 1 d	0.1635488	0.0057954	0.1353302
EARTH	1979-09-02 00:06	> 1 w	0.1909982	0.1700616	0.0070143
EARTH	1987-12-07 02:35	> 1 d	0.0276533	0.0066434	0.0475312
EARTH	1994-06-20 15:59	> 1 d	0.0315038	0.0007529	0.0340047
EARTH	2002-09-21 03:04	> 1 d	0.1924366	0.1908732	0.0005211
EARTH	2009-06-08 10:26	716.8	0.1775393	0.1499368	0.0092009
EARTH	2010-12-10 21:40	1098.5	0.0450517	0.0072377	0.0142577
EARTH	2017-08-19 13:29	> 1 d	0.1808894	0.1754530	0.0018137
EARTH	2025-12-08 00:36	1.1	0.0072272	0.0072136	0.0000045
EARTH	2032-08-11 18:07	> 1 d	0.1721661	0.1647750	0.0024657
EARTH	2040-12-07 08:57	1352.2	0.0102033	0.0070738	0.0101892
EARTH	2047-06-20 16:50	> 1 d	0.0347712	0.0001863	0.0210790
EARTH	2055-09-14 12:57	> 1 w	0.1944720	0.1914320	0.0010449
EARTH	2063-12-06 23:59	> 1 d	0.0192707	0.0073659	0.0687306
EARTH	2070-06-14 19:27	> 1 w	0.0373607	0.0012420	0.3003670
EARTH	2071-12-15 23:35	> 1 w	0.1403375	0.0076253	0.2282230
EARTH	2078-06-21 05:58	> 1 w	0.0502297	0.0014024	0.1762846
EARTH	2086-08-05 07:29	> 1 mo	0.1667572	0.0303916	0.1684704
EARTH	2094-09-14 06:00	> 1 mo	0.1959384	0.1583370	0.0133909
EARTH	2102-10-27 01:43	> 1 mo	0.1574323	0.0146885	0.3967469
EARTH	2110-12-07 09:12	> 1 mo	0.0291152	0.0068770	0.8238367
EARTH	2117-06-08 15:05	> 1 mo	0.1655137	0.0005446	1.8410368
EARTH	2118-12-09 05:59	> 1 mo	0.0072129	0.0066842	0.9200301
EARTH	2126-11-06 04:12	> 1 mo	0.1420543	0.0129384	89.2302251

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
286.83360422	165.38938274	0.00104339	MINIMUM
66.40041253	334.98903915	0.00722477	MINIMUM
355.88736978	249.47010304	0.19401196	SADDLE
177.52975292	71.10985957	0.39163292	SADDLE
355.78713461	69.32457452	1.81091466	SADDLE
177.43737969	251.03152593	2.38931327	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2025XM6

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2111-12-16.885	92435.885	3.217	0.000	0.66 ± 0.032	7.02E7	1.04E-10	9.35E-3	-12.02	0


Based on 22 optical observations (of which 0 are rejected as outliers) from 2025/12/14.341 to 2025/12/19.339.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.74 and 1.74 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20251220 140003.881 UTC.

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Download Impactor Table as: