Asteroids

2022AQ2

Last update: 2022-01-24 23:50 UTC

Orbital Properties

Epoch

59600.0

MJD

Orbit type

Apollo

Perihelion (q)

0.971

Aphelion (Q)

1.315

Eccentricity (e)

0.15

Inclination (i)

3.1

deg

Orbit period (P)

446.3

days

Earth MOID

0.01436

Next Earth close approach

Date

2022-05-20

Nominal distance (from Earth center)

0.1488

22260079

Maximum Brightness

Orbit Visualiser

Click the button to start Orbit Visualiser

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.3

Diameter

20*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-01-07

Observatory

Mt. Lemmon Survey

External links

Proper elements

Epoch

Near present day

Near middle of observation arc

Orbit properties

Epoch
Semimajor Axis
Eccentricity (e)
Inclination (i)
Ascending Node (Ω)
Arg. of Perihelion (ω)
Mean Anomaly (M)
Perihelion
Aphelion
Asc. Node-Earth Sep.
Desc. Node-Earth Sep.
MOID
Orbit Period

Value

1-sigma variation

Unit

Epoch

Value

59600.0

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.14

1-sigma variation

4.76322E-4

Unit

Eccentricity (e)

Value

0.150407825065132

1-sigma variation

3.78042E-4

Unit

Inclination (i)

Value

3.12

1-sigma variation

7.383E-3

Unit

Ascending Node (Ω)

Value

106.09

1-sigma variation

4.235E-3

Unit

Arg. of Perihelion (ω)

Value

45.74

1-sigma variation

4.544E-3

Unit

Mean Anomaly (M)

Value

338.57

1-sigma variation

1.609E-2

Unit

Perihelion

Value

9.710E-1

1-sigma variation

Unit

Aphelion

Value

1.31

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

2.774E-2

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

2.326E-1

1-sigma variation

Unit

MOID

Value

1.436E-2

1-sigma variation

Unit

Orbit Period

Value

446.26

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.26883E-7	1.80059E-7	3.51559E-6	2.01649E-6	1.42882E-6	7.57949E-6
e	1.80059E-7	1.42916E-7	2.79073E-6	1.60071E-6	1.14785E-6	6.00551E-6
i	3.51559E-6	2.79073E-6	5.45036E-5	3.12624E-5	2.27092E-5	1.17046E-4
Ω	2.01649E-6	1.60071E-6	3.12624E-5	1.79319E-5	1.30164E-5	6.71420E-5
ω	1.42882E-6	1.14785E-6	2.27092E-5	1.30164E-5	2.06457E-5	3.95718E-5
M	7.57949E-6	6.00551E-6	1.17046E-4	6.71420E-5	3.95718E-5	2.58927E-4

Date of computation: 2022-01-12 11:58 UTC

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

26.286

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

Unit

Source

[-]

Diameter

Value

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

[-]

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Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	Estimation	Estimated from absolute magnitude

**Estimated value

Observational Information

Arc Length
Unobserved

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

days

Source

[1]

Unobserved

Value

Unit

days

Source

[1]

Astrometry Summary

RMS of Residuals
First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

RMS of Residuals

Value

0.590537

Unit

arcseconds

Source

[1]

First Observation

Value

2022-01-06.617863

Unit

Source

[2]

Last Observation

Value

2022-01-12.440942

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

26 (2)

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

[3]

Last Observation

Value

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

0 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

0 (0)

Unit

Source

[1]

Note: The ASCII file is in a format suitable for OrbFit input.

Sources

No.	Name	Additional
[1]	ESA ODIM	ESA orbit determination and impact monitoring system
[2]	MPC	Minor Planet Center: https://www.minorplanetcenter.net
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2022AQ2 from 1950 to

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1972-11-29 07:07	> 1 mo	0.1686876	0.1213128	0.0135745
EARTH	1973-04-14 09:13	> 1 d	0.0855023	0.0126454	0.0148293
EARTH	1984-04-09 14:44	> 1 w	0.0672737	0.0132740	0.0264192
EARTH	1995-04-23 15:20	> 1 d	0.1784555	0.0144993	0.0622933
EARTH	2011-01-02 03:19	> 1 d	0.1797605	0.0146408	0.0425999
EARTH	2022-01-13 02:22	< 1 min	0.0361837	0.0359192	0.0000879
EARTH	2022-05-20 06:49	348.3	0.1487994	0.1476917	0.0003680
EARTH	2049-12-17 23:05	> 1 mo	0.1472557	0.0144857	0.0661378
EARTH	2050-04-12 04:49	> 1 w	0.0659377	0.0144950	0.0409465
EARTH	2061-03-26 15:53	> 1 w	0.0536581	0.0442320	0.0028661
EARTH	2071-11-21 15:53	> 1 w	0.1892929	0.1533769	0.0108367
EARTH	2072-04-19 04:59	> 1 d	0.1129912	0.0381212	0.0166892
EARTH	2099-01-12 17:35	> 1 d	0.0492503	0.0167366	0.0360999
EARTH	2099-05-25 13:31	> 1 mo	0.1561674	0.0457771	0.0237918
EARTH	2110-01-07 13:38	> 1 w	0.1175614	0.0166203	0.1431328
EARTH	2110-06-14 21:36	> 1 mo	0.1937608	0.0173118	0.0672921

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