Asteroids

2022OK5 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.712

Aphelion (Q)

1.599

Eccentricity (e)

0.384

Inclination (i)

28.8

deg

Orbit period (P)

453.7

Earth MOID

0.00321

U parameter

7.6

Next Earth close approach

Date

2027-07-26

Nominal distance (from Earth center)

0.16704

24989322

Maximum Brightness

22.6

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

23.2

mag

Diameter

60 - 140*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2022-07-30

Observatory

ATLAS-HKO, Haleakala

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

1.155505

1-sigma variation

0.000392

Unit

Eccentricity (e)

Value

0.383684

1-sigma variation

0.000235

Unit

Inclination (i)

Value

28.7848

1-sigma variation

0.0165

Unit

Long. of Ascending Node (Ω)

Value

129.4923

1-sigma variation

0.0008

Unit

Arg. of Perihelion (ω)

Value

273.9152

1-sigma variation

0.0213

Unit

Mean Anomaly (M)

Value

186.23757

1-sigma variation

0.44345

Unit

Perihelion distance

Value

0.712156

1-sigma variation

Unit

Aphelion distance

Value

1.598854

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.025314

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.004104

1-sigma variation

Unit

MOID

Value

0.003207

1-sigma variation

Unit

Orbit Period

Value

453.6868

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.53703E-7	9.23179E-8	6.48591E-6	-3.10320E-7	-8.33530E-6	-1.73853E-4
e	9.23179E-8	5.54502E-8	3.89577E-6	-1.86395E-7	-5.00621E-6	-1.04420E-4
i	6.48591E-6	3.89577E-6	2.73706E-4	-1.30957E-5	-3.51712E-4	-7.33619E-3
Ω	-3.10320E-7	-1.86395E-7	-1.30957E-5	6.26577E-7	1.68276E-5	3.51002E-4
ω	-8.33530E-6	-5.00621E-6	-3.51712E-4	1.68276E-5	4.52047E-4	9.42803E-3
M	-1.73853E-4	-1.04420E-4	-7.33619E-3	3.51002E-4	9.42803E-3	1.96644E-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

23.202

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

60 - 140*

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 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

1141

Unit

Source

[1]

Normalized RMS of residuals

Value

0.625877

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2022-07-30.336154

Unit

Source

[2]

Last Observation

Value

2022-08-03.238913

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

178 (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 2022OK5 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	1950-08-06 03:29	> 1 d	0.1070771	0.0044500	0.0744118
EARTH	1955-07-29 23:11	> 1 d	0.0748461	0.0034209	0.0688849
EARTH	1962-02-07 17:00	> 1 d	0.1773944	0.0433512	0.0460376
EARTH	1967-01-30 06:38	> 1 d	0.0284418	0.0202762	0.0180470
EARTH	1986-08-08 01:09	> 1 d	0.1570558	0.0075862	0.0522489
EARTH	1991-07-30 18:04	> 1 d	0.0570148	0.0031313	0.0665891
EARTH	1998-02-06 02:14	> 1 d	0.1385087	0.0236344	0.0649174
EARTH	2003-01-27 06:25	> 1 d	0.0937734	0.0227029	0.0591158
EARTH	2022-08-02 20:48	< 1 s	0.0227936	0.0227532	0.0000135
EARTH	2027-07-26 02:08	907.3	0.1670433	0.1215571	0.0151659
EARTH	2034-02-03 16:16	> 1 d	0.0847437	0.0215480	0.0332032
EARTH	2039-01-26 17:12	> 1 d	0.1071015	0.0218798	0.0437931
EARTH	2058-08-08 16:46	> 1 d	0.1717325	0.0049100	0.0624426
EARTH	2063-08-01 06:27	> 1 d	0.0247510	0.0019068	0.0622073
EARTH	2070-02-08 06:32	> 1 d	0.1823879	0.0331699	0.0638392
EARTH	2075-01-29 13:27	> 1 d	0.0477909	0.0212421	0.1446997
EARTH	2094-08-03 06:58	> 1 w	0.0298238	0.0015549	0.3337838
EARTH	2099-07-25 16:15	628.7	0.1800393	0.1425782	0.0125221
EARTH	2106-02-03 03:59	> 1 w	0.0484284	0.0225529	0.3690763
EARTH	2111-01-25 16:10	> 1 w	0.1562700	0.0241936	0.6233988

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
288.75486775	207.55787436	0.00192394	MINIMUM
65.19787553	28.10035154	0.02015267	MINIMUM
356.69244505	297.40216532	0.50296433	SADDLE
177.30944255	119.09769734	0.86382810	SADDLE
356.96329295	117.87936512	1.66772646	SADDLE
179.60923458	300.86795785	2.51391785	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2022OK5

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2120-08-02.708	95587.708	-1.988	0.000	0.78 ± 0.004	1.01E6	9.94E-8	3.88E1	-6.19	0


Based on 178 optical observations (of which 1 are rejected as outliers) from 2022/07/30.336 to 2022/08/03.239.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.17 and 1.17 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20250805 130500.123 UTC.

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Download Impactor Table as: