Asteroids

2025WA5 help

Last update: 2025-11-28 13:01 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.992

Aphelion (Q)

3.919

Eccentricity (e)

0.596

Inclination (i)

16.2

deg

Orbit period (P)

1405.5

Earth MOID

0.00596

U parameter

7.3

Next Earth close approach

Date

2064-11-15

Nominal distance (from Earth center)

0.09122

13645653

Maximum Brightness

24.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.4

mag

Diameter

9 - 20*

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

2.455584

1-sigma variation

0.001506

Unit

Eccentricity (e)

Value

0.595821

1-sigma variation

0.000247

Unit

Inclination (i)

Value

16.2293

1-sigma variation

0.0042

Unit

Long. of Ascending Node (Ω)

Value

243.6942

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

176.9515

1-sigma variation

0.0004

Unit

Mean Anomaly (M)

Value

359.24178

1-sigma variation

0.00071

Unit

Perihelion distance

Value

0.992495

1-sigma variation

Unit

Aphelion distance

Value

3.918674

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

2.896005

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.005992

1-sigma variation

Unit

MOID

Value

0.005959

1-sigma variation

Unit

Orbit Period

Value

1405.4993

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.26711E-6	3.72105E-7	6.28959E-6	-1.49591E-7	-4.42055E-7	1.07022E-6
e	3.72105E-7	6.10742E-8	1.03233E-6	-2.45526E-8	-7.25670E-8	1.75660E-7
i	6.28959E-6	1.03233E-6	1.74612E-5	-4.15081E-7	-1.25743E-6	2.97540E-6
Ω	-1.49591E-7	-2.45526E-8	-4.15081E-7	9.87195E-9	2.93788E-8	-7.06593E-8
ω	-4.42055E-7	-7.25670E-8	-1.25743E-6	2.93788E-8	1.79997E-7	-2.27753E-7
M	1.07022E-6	1.75660E-7	2.97540E-6	-7.06593E-8	-2.27753E-7	5.09091E-7

Date of computation: 2025-11-28 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

27.396

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

9 - 20*

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

0.901741

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-11-26.114277

Unit

Source

[2]

Last Observation

Value

2025-11-27.275553

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

38 (4)

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 2025WA5 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	1952-11-19 02:16	> 1 w	0.0529176	0.0178390	0.0526293
EARTH	2002-11-08 18:22	> 1 w	0.1164760	0.0303137	0.1109469
EARTH	2025-11-26 16:15	< 1 s	0.0078207	0.0078131	0.0000025
EARTH	2064-11-15 17:52	> 1 w	0.0912156	0.0298729	0.1831948

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
1.47543013	322.87506187	0.00595892	MINIMUM
358.83763852	137.92589637	2.00619267	SADDLE
179.66445379	139.13587145	2.90491771	SADDLE
179.85509218	319.23266838	4.90624288	MAXIMUM

Download:

MOID Plots

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