Asteroids

2025XN1 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.949

Aphelion (Q)

1.528

Eccentricity (e)

0.234

Inclination (i)

1.9

deg

Orbit period (P)

503.4

Earth MOID

0.01705

U parameter

6.2

Next Earth close approach

Date

2037-03-28

Nominal distance (from Earth center)

0.01751

2620002

Maximum Brightness

20.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.1

mag

Diameter

26 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-12-09

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

1.238401

1-sigma variation

0.000063

Unit

Eccentricity (e)

Value

0.233864

1-sigma variation

0.000044

Unit

Inclination (i)

Value

1.9148

1-sigma variation

0.0003

Unit

Long. of Ascending Node (Ω)

Value

159.2116

1-sigma variation

0.0024

Unit

Arg. of Perihelion (ω)

Value

349.2603

1-sigma variation

0.0016

Unit

Mean Anomaly (M)

Value

82.91499

1-sigma variation

0.00626

Unit

Perihelion distance

Value

0.948783

1-sigma variation

Unit

Aphelion distance

Value

1.528019

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.038429

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.510260

1-sigma variation

Unit

MOID

Value

0.017054

1-sigma variation

Unit

Orbit Period

Value

503.3733

1-sigma variation

Unit

U parameter

Value

6.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.94503E-9	2.77002E-9	1.77763E-8	1.47492E-7	-9.89883E-8	-3.93092E-7
e	2.77002E-9	1.94499E-9	1.24819E-8	1.03555E-7	-6.94946E-8	-2.76013E-7
i	1.77763E-8	1.24819E-8	8.01125E-8	6.63706E-7	-4.45083E-7	-1.77131E-6
Ω	1.47492E-7	1.03555E-7	6.63706E-7	5.59445E-6	-3.78310E-6	-1.46955E-5
ω	-9.89883E-8	-6.94946E-8	-4.45083E-7	-3.78310E-6	2.56958E-6	9.86165E-6
M	-3.93092E-7	-2.76013E-7	-1.77131E-6	-1.46955E-5	9.86165E-6	3.91691E-5

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

25.074

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

140

Unit

Source

[1]

Normalized RMS of residuals

Value

0.406276

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-12-09.452502

Unit

Source

[2]

Last Observation

Value

2026-01-12.6165

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

50 (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 2025XN1 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	1957-03-29 09:20	565.6	0.0152401	0.0151291	0.0001453
EARTH	1968-04-19 14:05	659.1	0.1554456	0.1299133	0.0085229
EARTH	1985-12-29 16:28	1209.6	0.1102286	0.0750576	0.0118952
EARTH	1997-01-27 20:39	> 1 d	0.0316246	0.0286755	0.0010866
EARTH	2008-04-11 19:38	1137.5	0.0719140	0.0500589	0.0073926
EARTH	2026-01-14 06:44	< 1 min	0.0236893	0.0236759	0.0000045
EARTH	2037-03-28 04:36	> 1 d	0.0175136	0.0170672	0.0009214
EARTH	2048-04-19 05:42	> 1 d	0.1525574	0.0212716	0.0987368
EARTH	2065-12-29 04:49	> 1 w	0.1184492	0.0241854	0.1546158
EARTH	2077-01-26 18:06	> 1 w	0.0293543	0.0232073	0.0229339
EARTH	2088-04-13 16:49	> 1 d	0.0902298	0.0182031	0.0572269
EARTH	2106-01-13 01:59	> 1 w	0.0248908	0.0214946	0.0513617
EARTH	2117-02-02 05:08	> 1 mo	0.0331968	0.0255889	0.1798334

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
32.98565006	87.39181944	0.01606168	MINIMUM
333.73004818	13.91446768	0.02325890	MINIMUM
2.21756371	49.20485863	0.04063177	SADDLE
181.95941572	229.20848579	0.51974613	SADDLE
3.35931055	230.62007879	1.96119535	SADDLE
182.02422324	49.24869662	2.52121840	MAXIMUM

Download:

MOID Plots

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