Asteroids

2025WZ3 help

Last update: 2025-11-29 13:15 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.703

Aphelion (Q)

3.730

Eccentricity (e)

0.683

Inclination (i)

0.3

deg

Orbit period (P)

1205.5

Earth MOID

0.00046

U parameter

6.8

Next Earth close approach

Date

2025-11-30

Nominal distance (from Earth center)

0.00296

442885

Maximum Brightness

16.6

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

10 - 23*

Taxonomic type

Rotation period (T)

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

2.216685

1-sigma variation

0.000587

Unit

Eccentricity (e)

Value

0.682852

1-sigma variation

0.000095

Unit

Inclination (i)

Value

0.3291

1-sigma variation

4.031E-5

Unit

Long. of Ascending Node (Ω)

Value

243.3584

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

258.2174

1-sigma variation

0.0003

Unit

Mean Anomaly (M)

Value

344.26331

1-sigma variation

0.00692

Unit

Perihelion distance

Value

0.703016

1-sigma variation

Unit

Aphelion distance

Value

3.730353

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.370120

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.045754

1-sigma variation

Unit

MOID

Value

0.000462

1-sigma variation

Unit

Orbit Period

Value

1205.4640

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.44217E-7	5.56662E-8	2.16870E-8	4.00262E-8	5.50973E-8	4.06004E-6
e	5.56662E-8	9.00307E-9	3.50249E-9	6.46389E-9	9.10458E-9	6.56584E-7
i	2.16870E-8	3.50249E-9	1.62488E-9	4.16125E-9	7.85162E-10	2.55795E-7
Ω	4.00262E-8	6.46389E-9	4.16125E-9	1.63028E-8	-7.26161E-9	4.72102E-7
ω	5.50973E-8	9.10458E-9	7.85162E-10	-7.26161E-9	6.64249E-8	6.49826E-7
M	4.06004E-6	6.56584E-7	2.55795E-7	4.72102E-7	6.49826E-7	4.78883E-5

Date of computation: 2025-11-29 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

27.028

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

10 - 23*

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

[-]

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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

0.610605

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-11-23.502819

Unit

Source

[2]

Last Observation

Value

2025-11-28.479735

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

45 (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

Close Approaches for 2025WZ3 from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1963-04-03 21:58	> 1 w	0.1814596	0.0807505	0.0335827
EARTH	1972-12-14 06:31	> 1 d	0.1415419	0.0858088	0.0185789
EARTH	1996-05-01 01:20	> 1 d	0.0835688	0.0041959	0.0619262
EARTH	2006-04-03 16:20	> 1 w	0.1720421	0.0666698	0.0351323
EARTH	2025-11-30 16:19	< 1 min	0.0029605	0.0029593	0.0000004
EARTH	2042-04-27 00:09	> 1 d	0.0049394	0.0020761	0.0335358
EARTH	2058-04-19 05:43	> 1 mo	0.1067769	0.0014538	5.5374507
VENUS	2080-07-22 18:55	> 1 mo	0.0468142	0.0463815	0.2909634

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
324.38099162	327.79937766	0.00046175	MINIMUM
37.01769824	114.64798288	0.00262370	MINIMUM
0.99091832	41.62346109	0.28473785	SADDLE
1.01642259	221.65734973	1.71687439	SADDLE
180.18743484	220.52239890	2.71639752	SADDLE
180.18230928	40.51560643	4.71794934	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2025WZ3

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2081-04-29.117	81248.117	0.139	0.73 ± 0.006	3.27E7	2.33E-8	1.94E-1	-8.43
2098-04-28.619	87456.619	0.214	0.88 ± 0.003	2.99E7	2.38E-8	1.91E-1	-8.54
2106-04-30.170	90379.170	-3.735	0.52 ± 0.003	8.26E5	9.64E-10	1.93E-1	-9.97
2106-04-30.175	90379.175	-0.079	1.18 ± 0.003	9.82E4	4.80E-7	1.92E-1	-7.28
2106-04-30.201	90379.201	-0.796	0.89 ± 0.003	2.94E6	2.21E-7	1.93E-1	-7.61
2107-04-30.428	90744.428	-0.857	1.03 ± 0.003	1.35E8	3.44E-9	1.94E-1	-9.42
2115-05-01.329	93667.329	-0.812	1.17 ± 0.006	1.90E7	2.62E-9	1.96E-1	-9.58
2119-04-29.402	95126.402	-0.088	0.76 ± 0.006	5.20E7	1.43E-8	1.89E-1	-8.87
2119-04-29.976	95126.976	-0.771	0.61 ± 0.004	1.34E8	4.51E-9	1.90E-1	-9.37


Based on 45 optical observations (of which 0 are rejected as outliers) from 2025/11/23.503 to 2025/11/28.480.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.19 and 1.19 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20251129 141609.293 UTC.

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Download Impactor Table as: