Asteroids

2025XH help

Last update: 2025-12-29 13:01 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.963

Aphelion (Q)

1.534

Eccentricity (e)

0.229

Inclination (i)

13.2

deg

Orbit period (P)

509.7

Earth MOID

0.01027

U parameter

6.8

Next Earth close approach

Date

2032-12-06

Nominal distance (from Earth center)

0.01731

2589789

Maximum Brightness

19.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.4

mag

Diameter

14 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-12-07

Observatory

Catalina Sky Survey

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

1.248701

1-sigma variation

0.000158

Unit

Eccentricity (e)

Value

0.228582

1-sigma variation

0.000101

Unit

Inclination (i)

Value

13.2445

1-sigma variation

0.0044

Unit

Long. of Ascending Node (Ω)

Value

254.8219

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

214.8728

1-sigma variation

0.0021

Unit

Mean Anomaly (M)

Value

326.59868

1-sigma variation

0.00854

Unit

Perihelion distance

Value

0.963270

1-sigma variation

Unit

Aphelion distance

Value

1.534131

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.440393

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.011239

1-sigma variation

Unit

MOID

Value

0.010270

1-sigma variation

Unit

Orbit Period

Value

509.6663

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.48538E-8	1.58798E-8	6.97190E-7	-2.08190E-8	-3.26441E-7	1.34579E-6
e	1.58798E-8	1.01460E-8	4.45452E-7	-1.33020E-8	-2.08543E-7	8.59845E-7
i	6.97190E-7	4.45452E-7	1.95608E-5	-5.83962E-7	-9.15713E-6	3.77515E-5
Ω	-2.08190E-8	-1.33020E-8	-5.83962E-7	1.74471E-8	2.73268E-7	-1.12721E-6
ω	-3.26441E-7	-2.08543E-7	-9.15713E-6	2.73268E-7	4.30676E-6	-1.76873E-5
M	1.34579E-6	8.59845E-7	3.77515E-5	-1.12721E-6	-1.76873E-5	7.28788E-5

Date of computation: 2025-12-29 13:01 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

26.398

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

14 - 30*

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

0.642713

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-12-07.095227

Unit

Source

[2]

Last Observation

Value

2025-12-12.3013

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

37 (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

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 2025XH 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	1972-12-11 21:39	> 1 d	0.0446931	0.0075585	0.0277143
EARTH	1979-12-01 10:02	> 1 d	0.0887284	0.0040008	0.0482531
MARS	2001-06-01 05:57	77.8	0.0375939	0.0375622	0.0007717
EARTH	2018-12-26 20:33	1337.5	0.1514965	0.1276585	0.0079750
EARTH	2025-12-08 13:27	< 1 s	0.0116803	0.0116677	0.0000042
EARTH	2032-12-06 14:13	1021.6	0.0173117	0.0101766	0.0066779
EARTH	2071-12-14 04:12	> 1 w	0.0581689	0.0065843	0.0967087
EARTH	2078-12-01 10:10	> 1 d	0.0891336	0.0179263	0.0238703
MARS	2082-04-17 10:58	584.7	0.0435371	0.0395610	0.0041616
EARTH	2117-12-18 02:29	> 1 mo	0.0873951	0.0006566	0.3798620
EARTH	2124-12-04 16:53	> 1 w	0.0538786	0.0090107	0.2794231

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
332.91338782	334.96285680	0.01026952	MINIMUM
193.59970879	198.62321038	0.54854994	SADDLE
4.28554359	192.79956146	1.97632481	SADDLE
177.96548794	6.14003576	2.51284167	MAXIMUM

Download:

MOID Plots

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