Asteroids

2025WJ6 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.867

Aphelion (Q)

2.269

Eccentricity (e)

0.447

Inclination (i)

1.7

deg

Orbit period (P)

717.2

Earth MOID

0.00119

U parameter

7.3

Next Earth close approach

Date

2027-11-04

Nominal distance (from Earth center)

0.09502

14214544

Maximum Brightness

28.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.1

mag

Diameter

10 - 22*

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

1.568054

1-sigma variation

0.000574

Unit

Eccentricity (e)

Value

0.446803

1-sigma variation

0.000234

Unit

Inclination (i)

Value

1.7029

1-sigma variation

0.0007

Unit

Long. of Ascending Node (Ω)

Value

60.5082

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

309.6309

1-sigma variation

0.0022

Unit

Mean Anomaly (M)

Value

17.35202

1-sigma variation

0.01144

Unit

Perihelion distance

Value

0.867442

1-sigma variation

Unit

Aphelion distance

Value

2.268665

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.011420

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.742901

1-sigma variation

Unit

MOID

Value

0.001195

1-sigma variation

Unit

Orbit Period

Value

717.1991

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.29241E-7	1.34506E-7	4.07133E-7	-1.95126E-7	-8.45002E-7	-6.56262E-6
e	1.34506E-7	5.49691E-8	1.66719E-7	-7.88057E-8	-3.51991E-7	-2.67952E-6
i	4.07133E-7	1.66719E-7	5.13976E-7	-2.16101E-7	-1.19291E-6	-8.08305E-6
Ω	-1.95126E-7	-7.88057E-8	-2.16101E-7	1.76527E-7	1.54289E-7	3.96418E-6
ω	-8.45002E-7	-3.51991E-7	-1.19291E-6	1.54289E-7	4.64412E-6	1.62853E-5
M	-6.56262E-6	-2.67952E-6	-8.08305E-6	3.96418E-6	1.62853E-5	1.30937E-4

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

27.123

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 - 22*

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

0.96113

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-11-27.139496

Unit

Source

[2]

Last Observation

Value

2025-11-28.355554

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

55 (3)

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 2025WJ6 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
MARS	1955-07-23 18:27	> 1 d	0.0463853	0.0062983	0.0313550
EARTH	1974-12-07 23:03	> 1 d	0.1623575	0.0759643	0.0287977
EARTH	1976-11-16 17:45	> 1 d	0.0493692	0.0023838	0.0217709
EARTH	1978-09-20 13:52	> 1 d	0.1333264	0.1237846	0.0032211
EARTH	1980-08-01 19:46	509.2	0.0321391	0.0284651	0.0027634
MARS	2000-09-11 12:17	> 1 d	0.0167637	0.0061607	0.0560448
EARTH	2025-11-26 01:53	< 1 s	0.0083713	0.0083599	0.0000038
EARTH	2027-11-04 06:20	> 1 d	0.0950184	0.0826294	0.0041316
EARTH	2029-10-02 21:20	> 1 d	0.1340740	0.1324442	0.0005547
EARTH	2031-08-31 07:13	> 1 d	0.1054778	0.0769393	0.0097032
EARTH	2033-08-06 10:46	> 1 d	0.0295926	0.0284304	0.0061028
EARTH	2035-07-27 00:36	> 1 d	0.1102048	0.0285131	0.0460958
EARTH	2116-12-09 18:00	> 1 mo	0.1594770	0.0037569	0.6820333
EARTH	2118-11-30 23:06	> 1 mo	0.0339817	0.0023523	0.6167250
MARS	2119-03-11 18:49	> 1 w	0.0078459	0.0067097	0.2435433
EARTH	2120-11-19 01:22	> 1 mo	0.0483147	0.0054585	0.2810994
EARTH	2122-10-25 12:08	> 1 mo	0.1161403	0.0343428	0.0310569
EARTH	2124-09-29 15:28	> 1 mo	0.1335440	0.1014421	0.0289513

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
33.98020929	322.03691600	0.00119472	MINIMUM
321.97377091	211.07545367	0.02865055	MINIMUM
357.34540840	265.69455438	0.13587772	SADDLE
179.08701552	87.84464560	1.26892992	SADDLE
357.69216788	86.25332145	1.86728024	SADDLE
179.13975733	267.87669595	3.26968346	MAXIMUM

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MOID Plots

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