Asteroids

2022WA6 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.817

Aphelion (Q)

3.055

Eccentricity (e)

0.578

Inclination (i)

5.2

deg

Orbit period (P)

984.2

Earth MOID

0.00071

U parameter

8.2

Next Earth close approach

Date

2031-03-21

Nominal distance (from Earth center)

0.11697

17498111

Maximum Brightness

25.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.9

mag

Diameter

17 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-11-24

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

1.936415

1-sigma variation

0.003591

Unit

Eccentricity (e)

Value

0.577862

1-sigma variation

0.000870

Unit

Inclination (i)

Value

5.2041

1-sigma variation

0.0061

Unit

Long. of Ascending Node (Ω)

Value

254.0004

1-sigma variation

0.0027

Unit

Arg. of Perihelion (ω)

Value

238.1788

1-sigma variation

0.0057

Unit

Mean Anomaly (M)

Value

20.79348

1-sigma variation

1.07400

Unit

Perihelion distance

Value

0.817433

1-sigma variation

Unit

Aphelion distance

Value

3.055396

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.839613

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.002954

1-sigma variation

Unit

MOID

Value

0.000708

1-sigma variation

Unit

Orbit Period

Value

984.2285

1-sigma variation

Unit

U parameter

Value

8.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.28931E-5	3.12361E-6	2.19167E-5	-9.49148E-6	1.96738E-5	-3.85642E-3
e	3.12361E-6	7.56782E-7	5.31035E-6	-2.30156E-6	4.77388E-6	-9.34295E-4
i	2.19167E-5	5.31035E-6	3.72714E-5	-1.61872E-5	3.36295E-5	-6.55545E-3
Ω	-9.49148E-6	-2.30156E-6	-1.61872E-5	7.16998E-6	-1.51318E-5	2.83901E-3
ω	1.96738E-5	4.77388E-6	3.36295E-5	-1.51318E-5	3.23730E-5	-5.88470E-3
M	-3.85642E-3	-9.34295E-4	-6.55545E-3	2.83901E-3	-5.88470E-3	1.15348E0

Date of computation: 2025-09-10 00:30 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

25.935

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

17 - 40*

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

1089

Unit

Source

[1]

Normalized RMS of residuals

Value

0.476539

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-11-24.517913

Unit

Source

[2]

Last Observation

Value

2022-12-01.032111

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

29 (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 2022WA6 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	1966-03-03 23:13	> 1 mo	0.1580710	0.0949975	0.4587656
EARTH	1985-01-08 03:43	> 1 mo	0.1559293	0.0462447	0.2393315
EARTH	2003-12-12 02:42	> 1 mo	0.0465276	0.0018652	0.2861606
EARTH	2022-12-06 00:53	< 1 min	0.0112573	0.0112096	0.0000159
EARTH	2031-03-21 15:10	> 1 w	0.1169676	0.0804566	0.0832658
EARTH	2057-12-22 23:11	> 1 mo	0.1049584	0.0065790	0.5135416
EARTH	2066-04-03 02:13	> 1 mo	0.0784637	0.0781257	0.0598927
EARTH	2093-02-05 00:48	> 1 mo	0.1853933	0.1839661	0.0316037
EARTH	2119-12-08 02:54	> 1 mo	0.0095191	0.0051631	0.8364339

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
328.17825038	332.65244796	0.00064894	MINIMUM
33.72589066	89.86082477	0.07989701	MINIMUM
2.54343256	34.12766127	0.18301719	SADDLE
1.01095137	211.19202846	1.83003449	SADDLE
180.36747448	210.18377807	2.04628684	SADDLE
180.14071750	30.06136845	4.03943681	MAXIMUM

Download:

MOID Plots

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