Asteroids

2022OA help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.930

Aphelion (Q)

2.212

Eccentricity (e)

0.408

Inclination (i)

10.6

deg

Orbit period (P)

719.3

Earth MOID

0.00885

U parameter

7.1

Next Earth close approach

Date

2083-10-14

Nominal distance (from Earth center)

0.18061

27018333

Maximum Brightness

24.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.7

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-07-18

Observatory

MAPS, San Pedro de Atacama

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

1.571159

1-sigma variation

0.000414

Unit

Eccentricity (e)

Value

0.408098

1-sigma variation

0.000170

Unit

Inclination (i)

Value

10.5698

1-sigma variation

0.0033

Unit

Long. of Ascending Node (Ω)

Value

300.9371

1-sigma variation

3.647E-5

Unit

Arg. of Perihelion (ω)

Value

48.6596

1-sigma variation

0.0014

Unit

Mean Anomaly (M)

Value

228.42393

1-sigma variation

0.23585

Unit

Perihelion distance

Value

0.929973

1-sigma variation

Unit

Aphelion distance

Value

2.212346

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.014274

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.808407

1-sigma variation

Unit

MOID

Value

0.008853

1-sigma variation

Unit

Orbit Period

Value

719.3311

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.71183E-7	7.02808E-8	1.37774E-6	1.50732E-8	-5.79056E-7	-9.75803E-5
e	7.02808E-8	2.88545E-8	5.65644E-7	6.18858E-9	-2.37727E-7	-4.00625E-5
i	1.37774E-6	5.65644E-7	1.10886E-5	1.21322E-7	-4.66014E-6	-7.85359E-4
Ω	1.50732E-8	6.18858E-9	1.21322E-7	1.33022E-9	-5.09423E-8	-8.59227E-6
ω	-5.79056E-7	-2.37727E-7	-4.66014E-6	-5.09423E-8	1.96242E-6	3.30081E-4
M	-9.75803E-5	-4.00625E-5	-7.85359E-4	-8.59227E-6	3.30081E-4	5.56241E-2

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

24.661

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

30 - 70*

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

1147

Unit

Source

[1]

Normalized RMS of residuals

Value

0.452506

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-07-18.10828

Unit

Source

[2]

Last Observation

Value

2022-07-26.942635

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

127 (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 2022OA 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	1985-06-30 17:46	> 1 d	0.0315077	0.0315003	0.0012249
EARTH	2016-10-30 00:58	> 1 d	0.1972311	0.1869290	0.0048816
EARTH	2018-09-24 00:05	> 1 d	0.1716048	0.1651428	0.0024415
EARTH	2020-08-14 11:04	> 1 d	0.1026234	0.0913413	0.0037686
EARTH	2022-07-25 12:32	< 1 s	0.0128892	0.0128756	0.0000045
EARTH	2024-07-10 07:33	407.6	0.1900464	0.1751131	0.0049778
MARS	2066-05-19 17:36	> 1 d	0.0482639	0.0228567	0.0770854
EARTH	2083-10-14 10:24	> 1 mo	0.1806064	0.1793342	0.0142755
EARTH	2085-08-16 10:42	> 1 mo	0.1083755	0.0208904	0.1155007
EARTH	2087-07-22 03:03	> 1 w	0.0483822	0.0095287	0.1444084

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
329.03124204	201.39719192	0.00996945	MINIMUM
180.89672604	67.07348237	1.23608538	SADDLE
359.07383992	66.37516274	1.91897118	SADDLE
178.45458221	245.48661765	3.21231119	MAXIMUM

Download:

MOID Plots

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