Asteroids

2022WD help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

1.003

Aphelion (Q)

2.938

Eccentricity (e)

0.491

Inclination (i)

2.4

deg

Orbit period (P)

1010.5

Earth MOID

0.02113

U parameter

7.9

Next Earth close approach

Date

2058-11-07

Nominal distance (from Earth center)

0.08305

12424273

Maximum Brightness

24.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.8

mag

Diameter

7 - 17*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-11-16

Observatory

Mt. Lemmon Survey

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

1.970678

1-sigma variation

0.002333

Unit

Eccentricity (e)

Value

0.490938

1-sigma variation

0.000592

Unit

Inclination (i)

Value

2.4116

1-sigma variation

0.0023

Unit

Long. of Ascending Node (Ω)

Value

53.5906

1-sigma variation

3.541E-5

Unit

Arg. of Perihelion (ω)

Value

19.7793

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

26.04553

1-sigma variation

0.68423

Unit

Perihelion distance

Value

1.003197

1-sigma variation

Unit

Aphelion distance

Value

2.938160

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.034145

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.766676

1-sigma variation

Unit

MOID

Value

0.021126

1-sigma variation

Unit

Orbit Period

Value

1010.4667

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.44182E-6	1.37991E-6	5.29727E-6	6.13248E-8	-9.64516E-7	-1.59614E-3
e	1.37991E-6	3.49910E-7	1.34325E-6	1.55502E-8	-2.44548E-7	-4.04742E-4
i	5.29727E-6	1.34325E-6	5.15716E-6	5.99356E-8	-9.39639E-7	-1.55374E-3
Ω	6.13248E-8	1.55502E-8	5.99356E-8	1.25410E-9	-1.17611E-8	-1.79871E-5
ω	-9.64516E-7	-2.44548E-7	-9.39639E-7	-1.17611E-8	2.10644E-7	2.82891E-4
M	-1.59614E-3	-4.04742E-4	-1.55374E-3	-1.79871E-5	2.82891E-4	4.68166E-1

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

27.776

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

7 - 17*

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

1065

Unit

Source

[1]

Normalized RMS of residuals

Value

0.671331

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-11-16.346816

Unit

Source

[2]

Last Observation

Value

2022-11-26.396769

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (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 2022WD 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	1961-12-14 15:11	> 1 mo	0.0363884	0.0061243	0.2015034
EARTH	1997-12-22 08:26	> 1 mo	0.0533294	0.0142155	0.1709581
MARS	2006-08-09 06:18	> 1 w	0.0427618	0.0166705	0.1273314
EARTH	2022-11-21 12:48	< 1 min	0.0282377	0.0281445	0.0000311
EARTH	2058-11-07 00:50	> 1 mo	0.0830511	0.0054945	0.3108676
EARTH	2070-01-12 13:20	1311.9	0.1871219	0.1586849	0.0094925
EARTH	2105-12-08 05:37	> 1 mo	0.0243415	0.0117964	0.2573086

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
356.77404068	326.12062465	0.02108867	MINIMUM
179.75084877	150.81852690	1.92369202	SADDLE
359.19369708	150.21288094	2.01737030	SADDLE
179.71390015	330.80129860	3.92334890	MAXIMUM

Download:

MOID Plots

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