Asteroids

2025WZ3 help

Last update: 2025-12-05 00:04 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.703

Aphelion (Q)

3.731

Eccentricity (e)

0.683

Inclination (i)

0.3

deg

Orbit period (P)

1205.5

Earth MOID

0.00046

U parameter

6.7

Next Earth close approach

Date

2042-04-27

Nominal distance (from Earth center)

0.00226

337705

Maximum Brightness

16.1

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

11 - 24*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-11-23

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.216780

1-sigma variation

0.000469

Unit

Eccentricity (e)

Value

0.682869

1-sigma variation

0.000076

Unit

Inclination (i)

Value

0.3291

1-sigma variation

3.630E-5

Unit

Long. of Ascending Node (Ω)

Value

243.3584

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

258.2176

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

344.26444

1-sigma variation

0.00553

Unit

Perihelion distance

Value

0.703010

1-sigma variation

Unit

Aphelion distance

Value

3.730551

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.370123

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

1205.5423

1-sigma variation

Unit

U parameter

Value

6.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.19843E-7	3.56269E-8	1.62504E-8	4.28131E-8	3.56854E-8	2.59268E-6
e	3.56269E-8	5.77361E-9	2.63301E-9	6.93564E-9	5.80138E-9	4.20158E-7
i	1.62504E-8	2.63301E-9	1.31752E-9	4.01598E-9	1.66903E-9	1.91649E-7
Ω	4.28131E-8	6.93564E-9	4.01598E-9	1.51675E-8	-5.12591E-10	5.04929E-7
ω	3.56854E-8	5.80138E-9	1.66903E-9	-5.12591E-10	1.80773E-8	4.20651E-7
M	2.59268E-6	4.20158E-7	1.91649E-7	5.04929E-7	4.20651E-7	3.05762E-5

Date of computation: 2025-12-05 00:04 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

26.998

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

11 - 24*

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

0.606836

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

2025-11-29.864666

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

64 (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 100 points and a final date not exceeding 2080/07/22 14:12.

Close Approaches for 2025WZ3 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	1963-04-05 04:41	> 1 w	0.1757776	0.0703023	0.0351759
EARTH	1972-12-14 21:43	> 1 d	0.1453111	0.0652484	0.0266909
EARTH	1996-04-30 11:08	> 1 d	0.0744229	0.0041989	0.0493818
EARTH	2006-04-02 11:14	> 1 d	0.1771537	0.0956765	0.0271622
EARTH	2025-11-30 16:19	< 1 s	0.0029605	0.0029596	0.0000003
EARTH	2042-04-27 10:02	> 1 d	0.0022574	0.0020738	0.0115589
EARTH	2051-11-25 17:19	> 1 mo	0.1120338	0.0028578	18.3662467
VENUS	2055-04-08 20:52	> 1 mo	0.0380351	0.0378292	1.5144423
EARTH	2078-04-12 19:39	> 1 mo	0.1432085	0.0001452	113.2526351
EARTH	2091-05-09 11:16	> 1 mo	0.1561117	0.0001595	134.9211671
EARTH	2100-12-12 19:04	> 1 mo	0.0911393	0.0056028	98.9596940
EARTH	2114-04-03 01:44	> 1 mo	0.1907121	0.0095206	1.2279486
VENUS	2117-06-23 06:36	> 1 mo	0.0479087	0.0477779	0.8939691

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
324.38174539	327.79931802	0.00046174	MINIMUM
37.01689319	114.64846985	0.00262362	MINIMUM
0.99088990	41.62367849	0.28474350	SADDLE
1.01639343	221.65756686	1.71686874	SADDLE
180.18741902	220.52261269	2.71657598	SADDLE
180.18229392	40.51582070	4.71812780	MAXIMUM

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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	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2081-04-29.121	81248.121	-0.009	0.000	1.10 ± 0.003	2.59E7	2.97E-8	1.99E-1	-8.31
2098-04-28.620	87456.620	0.086	0.000	0.88 ± 0.001	2.38E7	3.04E-8	1.96E-1	-8.42
2106-04-30.175	90379.175	-0.283	0.000	1.18 ± 0.002	7.79E4	1.09E-6	1.97E-1	-6.91
2106-04-30.203	90379.203	-1.185	0.000	0.39 ± 0.002	2.33E6	1.90E-7	1.98E-1	-7.67
2109-04-30.118	91475.118	-0.282	0.000	1.04 ± 0.004	8.47E7	5.10E-9	1.98E-1	-9.26
2109-04-30.509	91475.509	-0.203	0.000	0.92 ± 0.002	1.74E6	5.13E-7	2.00E-1	-7.25
2113-04-29.444	92935.444	-1.210	0.000	0.83 ± 0.002	8.49E6	5.03E-8	1.97E-1	-8.29
2115-05-01.330	93667.330	-1.205	0.927	1.18 ± 0.003	1.51E7	2.62E-10	2.01E-1	-10.57


Based on 67 optical observations (of which 2 are rejected as outliers) from 2025/11/23.503 to 2025/11/29.938.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.18 and 1.18 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20251205 134932.509 UTC.

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Download Impactor Table as: