Asteroids

2022AQ2

Last update: 2022-08-17 23:50 UTC

Orbital Properties

Epoch

59800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.971

Aphelion (Q)

1.311

Eccentricity (e)

0.149

Inclination (i)

3.1

deg

Orbit period (P)

445.2

Earth MOID

0.01508

U parameter

7.7

Next Earth close approach

Date

2049-12-17

Nominal distance (from Earth center)

0.14726

22029842

Maximum Brightness

24.2

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.3

mag

Diameter

20*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-01-07

Observatory

Mt. Lemmon Survey

Orbit Visualiser

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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
U parameter

Value

1-sigma variation

Unit

Epoch

Value

59800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.140976

1-sigma variation

0.000483

Unit

Eccentricity (e)

Value

0.149047

1-sigma variation

0.000384

Unit

Inclination (i)

Value

3.1168

1-sigma variation

0.0074

Unit

Ascending Node (Ω)

Value

105.9041

1-sigma variation

0.0056

Unit

Arg. of Perihelion (ω)

Value

45.8647

1-sigma variation

0.0040

Unit

Mean Anomaly (M)

Value

140.32068

1-sigma variation

0.08716

Unit

Perihelion

Value

0.970917

1-sigma variation

Unit

Aphelion

Value

1.311036

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.028886

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.228029

1-sigma variation

Unit

MOID

Value

0.015080

1-sigma variation

Unit

Orbit Period

Value

445.1572

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.33771E-7	1.85797E-7	3.58964E-6	2.70381E-6	1.03680E-6	-4.21253E-5
e	1.85797E-7	1.47685E-7	2.85365E-6	2.14947E-6	8.37896E-7	-3.34903E-5
i	3.58964E-6	2.85365E-6	5.51486E-5	4.15405E-5	1.64791E-5	-6.47248E-4
Ω	2.70381E-6	2.14947E-6	4.15405E-5	3.12905E-5	1.24330E-5	-4.87539E-4
ω	1.03680E-6	8.37896E-7	1.64791E-5	1.24330E-5	1.60877E-5	-1.95012E-4
M	-4.21253E-5	-3.34903E-5	-6.47248E-4	-4.87539E-4	-1.95012E-4	7.59676E-3

Date of computation: 2022-08-02 08:47 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

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

Observational Information

Arc Length
Unobserved

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

218

Unit

Source

[1]

Astrometry Summary

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

Optical

Value

Unit

Source

RMS of Residuals

Value

0.590539

Unit

arcsec

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 2122

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 07:06	> 1 mo	0.1686886	0.1213280	0.0135710
EARTH	1973-04-14 09:14	> 1 d	0.0855033	0.0126454	0.0148257
EARTH	1984-04-09 14:43	> 1 w	0.0672718	0.0132741	0.0264174
EARTH	1995-04-23 15:19	> 1 d	0.1784511	0.0144993	0.0622938
EARTH	2011-01-02 03:19	> 1 d	0.1797635	0.0146408	0.0426000
EARTH	2022-01-13 02:22	< 1 min	0.0361837	0.0359192	0.0000879
EARTH	2022-05-20 06:49	348.3	0.1487995	0.1476917	0.0003680
EARTH	2049-12-17 22:52	> 1 mo	0.1472604	0.0144856	0.0661304
EARTH	2050-04-12 04:50	> 1 w	0.0659406	0.0144949	0.0409507
EARTH	2061-03-26 15:55	> 1 w	0.0536583	0.0442391	0.0028642
EARTH	2071-11-21 15:52	> 1 w	0.1892936	0.1535227	0.0107975
EARTH	2072-04-19 04:59	> 1 d	0.1129924	0.0386539	0.0166291
EARTH	2099-01-12 17:34	> 1 d	0.0492528	0.0167382	0.0360993
EARTH	2099-05-25 13:32	> 1 mo	0.1561691	0.0457882	0.0237910
EARTH	2110-01-07 13:39	> 1 w	0.1175513	0.0166199	0.1431512
EARTH	2110-06-14 21:32	> 1 mo	0.1937560	0.0173111	0.0673030

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