Asteroids

2025XX help

Last update: 2025-12-16 13:15 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.670

Aphelion (Q)

1.550

Eccentricity (e)

0.396

Inclination (i)

28.9

deg

Orbit period (P)

427.0

Earth MOID

0.04462

U parameter

8.3

Next Earth close approach

Date

2032-12-07

Nominal distance (from Earth center)

0.12142

18164554

Maximum Brightness

22.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.5

mag

Diameter

30 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-12-08

Observatory

JPL SynTrack Robotic Telescope, Auberry

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

1.109772

1-sigma variation

0.001084

Unit

Eccentricity (e)

Value

0.396268

1-sigma variation

0.000646

Unit

Inclination (i)

Value

28.9428

1-sigma variation

0.0504

Unit

Long. of Ascending Node (Ω)

Value

254.7868

1-sigma variation

0.0029

Unit

Arg. of Perihelion (ω)

Value

74.5584

1-sigma variation

0.0623

Unit

Mean Anomaly (M)

Value

44.12988

1-sigma variation

0.11567

Unit

Perihelion distance

Value

0.670005

1-sigma variation

Unit

Aphelion distance

Value

1.549540

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.170091

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.060597

1-sigma variation

Unit

MOID

Value

0.044619

1-sigma variation

Unit

Orbit Period

Value

427.0210

1-sigma variation

Unit

U parameter

Value

8.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.17549E-6	6.99896E-7	5.46245E-5	-3.17614E-6	6.74958E-5	-1.25407E-4
e	6.99896E-7	4.16757E-7	3.25247E-5	-1.89107E-6	4.01845E-5	-7.46695E-5
i	5.46245E-5	3.25247E-5	2.53841E-3	-1.47594E-4	3.13640E-3	-5.82763E-3
Ω	-3.17614E-6	-1.89107E-6	-1.47594E-4	8.58194E-6	-1.82372E-4	3.38844E-4
ω	6.74958E-5	4.01845E-5	3.13640E-3	-1.82372E-4	3.87578E-3	-7.20064E-3
M	-1.25407E-4	-7.46695E-5	-5.82763E-3	3.38844E-4	-7.20064E-3	1.33791E-2

Date of computation: 2025-12-16 13:15 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

24.481

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

30 - 80*

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

0.716464

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-12-08.154989

Unit

Source

[2]

Last Observation

Value

2025-12-16.265766

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

53 (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 2025XX 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	1956-12-04 04:07	> 1 w	0.0519169	0.0455685	0.1471332
EARTH	1963-12-07 18:28	> 1 w	0.1237964	0.0450853	0.3084643
EARTH	2003-05-24 13:19	> 1 w	0.1442033	0.1382807	0.0518261
EARTH	2010-05-31 02:55	> 1 w	0.1466236	0.1384234	0.0426057
EARTH	2011-12-01 02:21	> 1 d	0.1680573	0.0469574	0.1133614
EARTH	2017-06-07 05:46	> 1 d	0.1962630	0.1476162	0.0478689
EARTH	2018-12-02 10:41	> 1 d	0.0818689	0.0448308	0.0520982
EARTH	2025-12-04 09:00	< 1 min	0.0473415	0.0471041	0.0000792
EARTH	2032-12-07 04:19	> 1 d	0.1214225	0.0439953	0.0577754
EARTH	2072-05-22 20:15	> 1 w	0.1493925	0.1377246	0.1453856
EARTH	2079-05-29 23:45	> 1 mo	0.1398928	0.1368319	0.0931774
EARTH	2080-11-30 07:21	> 1 d	0.1902267	0.0475915	0.4404866
EARTH	2086-06-05 19:46	> 1 mo	0.1817829	0.1440357	0.3253133
EARTH	2087-12-02 09:38	> 1 w	0.1015637	0.0437702	0.4864223
EARTH	2094-12-04 07:52	> 1 w	0.0433847	0.0432667	0.0422509
EARTH	2101-12-07 21:47	> 1 mo	0.0999553	0.0429948	0.8987951

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
78.04172952	330.84103717	0.04461931	MINIMUM
297.95889275	143.76393520	0.13891473	MINIMUM
7.09175442	239.60103369	0.53078691	SADDLE
188.22252091	51.48487296	0.82320935	SADDLE
1.82730049	50.35474214	1.61176528	SADDLE
174.44186494	221.40616987	2.49248798	MAXIMUM

Download:

MOID Plots

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