Asteroids

2022AW help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.805

Aphelion (Q)

1.739

Eccentricity (e)

0.367

Inclination (i)

5.2

deg

Orbit period (P)

524.1

Earth MOID

0.02039

U parameter

7.3

Next Earth close approach

Date

2042-06-11

Nominal distance (from Earth center)

0.08556

12798910

Maximum Brightness

22.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.2

mag

Diameter

40 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-01-05

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

1.272185

1-sigma variation

0.000320

Unit

Eccentricity (e)

Value

0.366982

1-sigma variation

0.000230

Unit

Inclination (i)

Value

5.2330

1-sigma variation

0.0033

Unit

Long. of Ascending Node (Ω)

Value

104.6222

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

84.7458

1-sigma variation

0.0017

Unit

Mean Anomaly (M)

Value

207.33345

1-sigma variation

0.34616

Unit

Perihelion distance

Value

0.805316

1-sigma variation

Unit

Aphelion distance

Value

1.739054

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.081700

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.120761

1-sigma variation

Unit

MOID

Value

0.020390

1-sigma variation

Unit

Orbit Period

Value

524.1117

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.02547E-7	7.36608E-8	1.06367E-6	-4.22276E-8	5.29836E-7	-1.10850E-4
e	7.36608E-8	5.29114E-8	7.64047E-7	-3.03311E-8	3.80604E-7	-7.96246E-5
i	1.06367E-6	7.64047E-7	1.10333E-5	-4.37724E-7	5.49633E-6	-1.14978E-3
Ω	-4.22276E-8	-3.03311E-8	-4.37724E-7	1.77329E-8	-2.18222E-7	4.56464E-5
ω	5.29836E-7	3.80604E-7	5.49633E-6	-2.18222E-7	2.74130E-6	-5.72733E-4
M	-1.10850E-4	-7.96246E-5	-1.14978E-3	4.56464E-5	-5.72733E-4	1.19825E-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

24.228

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

40 - 80*

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

1377

Unit

Source

[1]

Normalized RMS of residuals

Value

0.54041

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-01-05.277061

Unit

Source

[2]

Last Observation

Value

2022-01-19.771094

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

112 (1)

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 2022AW 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	1950-11-25 12:59	86.1	0.0177534	0.0161278	0.0043287
EARTH	1956-06-14 09:12	> 1 d	0.0553097	0.0280240	0.0182751
EARTH	1959-01-06 03:07	> 1 d	0.1991813	0.0948731	0.0349263
EARTH	1966-06-21 09:36	> 1 d	0.0461627	0.0293644	0.0500645
EARTH	1969-01-10 22:38	> 1 d	0.1018532	0.0184848	0.0649667
EARTH	1976-06-27 22:22	> 1 d	0.1563553	0.0479223	0.0378073
EARTH	1979-01-18 23:43	> 1 d	0.0256296	0.0198840	0.0176128
EARTH	1989-03-04 10:57	> 1 w	0.1861628	0.1485869	0.0125560
EARTH	1999-04-24 12:49	> 1 w	0.1995732	0.1743699	0.0084036
EARTH	2009-06-15 09:46	> 1 d	0.0497428	0.0283560	0.0217663
EARTH	2012-01-08 06:55	> 1 d	0.1692606	0.1024745	0.0223422
EARTH	2019-06-27 10:59	515.4	0.1329807	0.1124249	0.0068796
EARTH	2022-01-18 15:36	< 1 s	0.0241539	0.0241102	0.0000146
MARS	2041-03-07 16:12	495.7	0.0472941	0.0171404	0.0288176
EARTH	2042-06-11 01:27	> 1 d	0.0855554	0.0258354	0.0350956
EARTH	2045-01-07 13:06	> 1 d	0.1737251	0.0586268	0.0387843
EARTH	2055-02-12 03:05	> 1 w	0.1449798	0.0933007	0.0172268
EARTH	2065-05-11 14:47	352.4	0.1742637	0.1726085	0.0005517
EARTH	2075-06-29 10:14	> 1 d	0.1652864	0.0961991	0.0232365
EARTH	2078-01-29 07:36	> 1 d	0.1010877	0.0255994	0.0262418
EARTH	2088-05-12 14:54	> 1 w	0.1719595	0.1126114	0.0197845
EARTH	2101-02-14 09:39	> 1 w	0.1485816	0.0705300	0.0260176
EARTH	2111-06-03 20:39	> 1 d	0.1255772	0.0587645	0.0225302
EARTH	2114-01-08 06:46	1405.4	0.1934739	0.1279863	0.0218815
EARTH	2124-02-29 01:38	1105.8	0.1765213	0.1741848	0.0007789

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
307.27994014	14.73327269	0.02046972	MINIMUM
57.67388664	164.92087122	0.02840616	MINIMUM
3.13995871	90.58794438	0.21064352	SADDLE
181.46859219	268.66588587	0.74834693	SADDLE
2.96833555	270.33503501	1.80378307	SADDLE
181.33457001	88.57382657	2.73570247	MAXIMUM

Download:

MOID Plots

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