Asteroids

2025XP help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.527

Aphelion (Q)

1.298

Eccentricity (e)

0.423

Inclination (i)

3.7

deg

Orbit period (P)

318.4

Earth MOID

0.00607

U parameter

6.0

Next Earth close approach

Date

2032-12-15

Nominal distance (from Earth center)

0.1778

26597830

Maximum Brightness

25.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.3

mag

Diameter

9 - 21*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-12-08

Observatory

Mt. Lemmon 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

0.912528

1-sigma variation

0.000022

Unit

Eccentricity (e)

Value

0.422632

1-sigma variation

0.000104

Unit

Inclination (i)

Value

3.7306

1-sigma variation

0.0013

Unit

Long. of Ascending Node (Ω)

Value

259.7269

1-sigma variation

0.0005

Unit

Arg. of Perihelion (ω)

Value

50.0742

1-sigma variation

0.0003

Unit

Mean Anomaly (M)

Value

59.59926

1-sigma variation

0.01194

Unit

Perihelion distance

Value

0.526864

1-sigma variation

Unit

Aphelion distance

Value

1.298191

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.427433

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.044186

1-sigma variation

Unit

MOID

Value

0.006068

1-sigma variation

Unit

Orbit Period

Value

318.3960

1-sigma variation

Unit

U parameter

Value

6.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.62719E-10	2.23378E-9	2.89124E-8	-9.65164E-9	-6.45755E-9	-2.56637E-7
e	2.23378E-9	1.08076E-8	1.39770E-7	-4.66497E-8	-3.19353E-8	-1.24098E-6
i	2.89124E-8	1.39770E-7	1.82082E-6	-6.09855E-7	-4.07235E-7	-1.60479E-5
Ω	-9.65164E-9	-4.66497E-8	-6.09855E-7	2.05009E-7	1.34607E-7	5.35598E-6
ω	-6.45755E-9	-3.19353E-8	-4.07235E-7	1.34607E-7	1.15826E-7	3.64722E-6
M	-2.56637E-7	-1.24098E-6	-1.60479E-5	5.35598E-6	3.64722E-6	1.42517E-4

Date of computation: 2025-12-12 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

27.27

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

9 - 21*

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

0.642326

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-12-08.36514

Unit

Source

[2]

Last Observation

Value

2025-12-12.39111

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

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 2025XP 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	1950-12-09 17:15	139.6	0.1224806	0.1135214	0.0029869
EARTH	1957-12-06 01:15	7.6	0.0398795	0.0076393	0.0119563
EARTH	1966-03-17 04:48	> 1 d	0.1825194	0.1615607	0.0070458
EARTH	1973-03-24 21:14	70.0	0.0635304	0.0627024	0.0007337
EARTH	1977-12-12 04:51	90.9	0.1994134	0.1940613	0.0017841
EARTH	1980-03-19 23:59	18.3	0.1694266	0.1670233	0.0008022
EARTH	1984-12-06 22:12	68.7	0.0396226	0.0329573	0.0022283
EARTH	1991-12-07 01:39	127.6	0.0777581	0.0670167	0.0035831
EARTH	1998-12-17 20:48	880.7	0.1914134	0.1828240	0.0028638
EARTH	2007-03-25 14:55	86.2	0.1015874	0.0950823	0.0022179
EARTH	2014-03-24 05:39	74.4	0.0786241	0.0752164	0.0011823
EARTH	2018-12-11 01:26	69.0	0.1549880	0.1504911	0.0014990
EARTH	2025-12-06 14:56	< 1 min	0.0061187	0.0061136	0.0000017
EARTH	2032-12-15 06:45	314.8	0.1777955	0.1744617	0.0011114
EARTH	2041-03-25 07:22	59.0	0.0664421	0.0652403	0.0006176
EARTH	2045-12-11 23:31	190.2	0.1833354	0.1713193	0.0040055
EARTH	2052-12-06 06:45	39.6	0.0269806	0.0128531	0.0048318
EARTH	2061-03-24 00:35	271.3	0.1264415	0.1152716	0.0037972
EARTH	2068-03-21 08:32	702.8	0.1403863	0.1048235	0.0124612
EARTH	2072-12-06 21:51	540.7	0.0179412	0.0052525	0.0190159
EARTH	2079-12-11 20:02	> 1 d	0.1457410	0.0097149	0.0496952
EARTH	2088-03-25 10:07	> 1 d	0.0989541	0.0651102	0.0962598
EARTH	2095-03-23 04:17	> 1 d	0.1228614	0.0659350	0.1480165
EARTH	2099-12-09 04:52	> 1 d	0.0757820	0.0050137	0.1835236
EARTH	2106-12-09 03:26	> 1 d	0.0992929	0.0056572	0.1141801
EARTH	2115-03-25 16:30	606.2	0.1325808	0.1213638	0.0037568
EARTH	2122-03-25 07:39	> 1 d	0.0914324	0.0650051	0.0645509

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
101.00906598	333.54661235	0.00606845	MINIMUM
257.74038032	81.89716779	0.06295622	MINIMUM
180.05133923	28.10994677	0.31766741	SADDLE
358.65805220	207.20011622	0.49058813	SADDLE
358.38062782	26.72431263	1.51193127	SADDLE
179.11824112	207.51148592	2.31360071	MAXIMUM

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MOID Plots

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