Asteroids

2025XL help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.706

Aphelion (Q)

1.664

Eccentricity (e)

0.404

Inclination (i)

16.5

deg

Orbit period (P)

470.9

Earth MOID

0.01046

U parameter

7.1

Next Earth close approach

Date

2031-06-09

Nominal distance (from Earth center)

0.03342

4999386

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

23 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-12-07

Observatory

ATLAS-TDO

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

1.184583

1-sigma variation

0.000226

Unit

Eccentricity (e)

Value

0.404326

1-sigma variation

0.000168

Unit

Inclination (i)

Value

16.4883

1-sigma variation

0.0068

Unit

Long. of Ascending Node (Ω)

Value

256.2463

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

271.7610

1-sigma variation

0.0037

Unit

Mean Anomaly (M)

Value

299.91872

1-sigma variation

0.02479

Unit

Perihelion distance

Value

0.705626

1-sigma variation

Unit

Aphelion distance

Value

1.663540

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.037636

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.018196

1-sigma variation

Unit

MOID

Value

0.010461

1-sigma variation

Unit

Orbit Period

Value

470.9194

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.12808E-8	3.80627E-8	1.54928E-6	-4.87670E-8	-8.37897E-7	5.61307E-6
e	3.80627E-8	2.82555E-8	1.15028E-6	-3.62084E-8	-6.21351E-7	4.16622E-6
i	1.54928E-6	1.15028E-6	4.68447E-5	-1.47462E-6	-2.52636E-5	1.69577E-4
Ω	-4.87670E-8	-3.62084E-8	-1.47462E-6	4.64225E-8	7.95105E-7	-5.33781E-6
ω	-8.37897E-7	-6.21351E-7	-2.52636E-5	7.95105E-7	1.37730E-5	-9.17179E-5
M	5.61307E-6	4.16622E-6	1.69577E-4	-5.33781E-6	-9.17179E-5	6.14393E-4

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

25.299

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

23 - 50*

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

0.712746

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-12-06.222925

Unit

Source

[2]

Last Observation

Value

2025-12-09.956066

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

82 (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 2025XL 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	1967-12-07 22:14	> 1 d	0.0564786	0.0079556	0.0364169
EARTH	1973-05-28 10:36	> 1 d	0.1879043	0.1460032	0.0140607
EARTH	1976-12-11 13:30	85.1	0.0428426	0.0426767	0.0000645
EARTH	1982-06-06 18:19	> 1 d	0.0704684	0.0211928	0.0210104
EARTH	1985-12-17 23:59	> 1 d	0.1764862	0.0733793	0.0343703
EARTH	1991-06-13 16:29	> 1 d	0.0559801	0.0207001	0.0455439
EARTH	2016-12-03 04:28	975.7	0.1513043	0.1027327	0.0161999
EARTH	2025-12-10 15:03	< 1 s	0.0155128	0.0154938	0.0000063
EARTH	2031-06-09 10:11	715.9	0.0334188	0.0203912	0.0070563
EARTH	2040-06-19 14:11	1297.9	0.1833391	0.1245184	0.0197030
EARTH	2056-12-05 13:45	> 1 d	0.0981652	0.0088879	0.0341727
EARTH	2062-05-30 07:13	> 1 d	0.1710487	0.0860320	0.0290281
EARTH	2065-12-14 19:14	> 1 d	0.1044166	0.0209976	0.0282915
EARTH	2071-06-12 20:00	> 1 d	0.0391619	0.0214360	0.0158421
EARTH	2087-12-03 14:50	> 1 d	0.1640207	0.0710415	0.0310651
EARTH	2093-05-26 23:54	> 1 d	0.1990184	0.0724330	0.0444080
EARTH	2096-12-14 12:17	> 1 d	0.1013044	0.0096212	0.0557351
EARTH	2102-06-15 09:13	> 1 d	0.0690367	0.0229430	0.0584404
EARTH	2118-12-09 06:05	> 1 d	0.0586038	0.0126028	0.0312756
EARTH	2124-06-06 01:56	772.5	0.0936168	0.0714964	0.0075051

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
293.84547674	337.01378608	0.01046056	MINIMUM
67.85229401	158.02904107	0.02213796	MINIMUM
1.18192819	67.32219988	0.37512405	SADDLE
180.52961757	247.71227249	0.75376241	SADDLE
2.50692890	249.40614990	1.69571795	SADDLE
181.48122638	68.35378508	2.63198722	MAXIMUM

Download:

MOID Plots

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