Asteroids

2022OJ3 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.898

Aphelion (Q)

3.611

Eccentricity (e)

0.602

Inclination (i)

3.2

deg

Orbit period (P)

1236.5

Earth MOID

0.00588

U parameter

7.3

Next Earth close approach

Date

2049-10-11

Nominal distance (from Earth center)

0.09849

14734220

Maximum Brightness

26.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.9

mag

Diameter

28 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-07-28

Observatory

ATLAS South Africa, Sutherland

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

2.254625

1-sigma variation

0.001632

Unit

Eccentricity (e)

Value

0.601565

1-sigma variation

0.000302

Unit

Inclination (i)

Value

3.2422

1-sigma variation

0.0011

Unit

Long. of Ascending Node (Ω)

Value

139.5208

1-sigma variation

0.0008

Unit

Arg. of Perihelion (ω)

Value

220.1136

1-sigma variation

0.0009

Unit

Mean Anomaly (M)

Value

340.51884

1-sigma variation

0.36759

Unit

Perihelion distance

Value

0.898322

1-sigma variation

Unit

Aphelion distance

Value

3.610928

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.676454

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.028821

1-sigma variation

Unit

MOID

Value

0.005879

1-sigma variation

Unit

Orbit Period

Value

1236.5450

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.66455E-6	4.93051E-7	1.77966E-6	1.31727E-6	-1.49333E-6	-6.00027E-4
e	4.93051E-7	9.12348E-8	3.29311E-7	2.43747E-7	-2.76322E-7	-1.11030E-4
i	1.77966E-6	3.29311E-7	1.18878E-6	8.79429E-7	-9.96751E-7	-4.00760E-4
Ω	1.31727E-6	2.43747E-7	8.79429E-7	6.52350E-7	-7.40097E-7	-2.96634E-4
ω	-1.49333E-6	-2.76322E-7	-9.96751E-7	-7.40097E-7	8.41290E-7	3.36282E-4
M	-6.00027E-4	-1.11030E-4	-4.00760E-4	-2.96634E-4	3.36282E-4	1.35119E-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

24.875

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

28 - 60*

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

1140

Unit

Source

[1]

Normalized RMS of residuals

Value

0.728251

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-07-28.918662

Unit

Source

[2]

Last Observation

Value

2022-08-04.99603

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

156 (5)

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 2022OJ3 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	1964-11-06 19:20	> 1 w	0.0615855	0.0553031	0.0507763
EARTH	2005-07-24 10:49	> 1 w	0.1108775	0.0093503	0.1080350
EARTH	2022-08-04 18:03	< 1 s	0.0127090	0.0126925	0.0000055
EARTH	2049-10-11 11:30	> 1 mo	0.0984922	0.0667198	0.0558649
EARTH	2076-11-11 23:37	> 1 w	0.0771229	0.0558429	0.1361255
EARTH	2093-07-25 15:03	> 1 w	0.1130216	0.0076695	0.1303053
65 Cybele	2102-10-02 10:42	> 1 d	0.0049230	0.0046773	0.0021947
EARTH	2120-08-25 03:53	> 1 mo	0.0753689	0.0116305	0.1018048

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
336.28616404	212.25189779	0.00557008	MINIMUM
21.07536556	299.12466344	0.05540114	MINIMUM
359.77364035	257.92746738	0.11064462	SADDLE
358.72670230	75.81239441	1.89396156	SADDLE
179.71208953	76.96279489	2.61571368	SADDLE
179.63777573	256.92391226	4.61398470	MAXIMUM

Download:

MOID Plots

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