Asteroids

2023KK2

Last update: 2023-06-03 23:50 UTC

Orbital Properties

Epoch

60000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.808

Aphelion (Q)

2.208

Eccentricity (e)

0.464

Inclination (i)

27.3

deg

Orbit period (P)

676.3

Earth MOID

0.01674

U parameter

9.0

Next Earth close approach

Date

2034-11-12

Nominal distance (from Earth center)

0.04594

6873068

Maximum Brightness

18.6

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

22.8

mag

Diameter

100*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-05-22

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

60000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.507907

1-sigma variation

0.011456

Unit

Eccentricity (e)

Value

0.464244

1-sigma variation

0.003867

Unit

Inclination (i)

Value

27.2831

1-sigma variation

0.2841

Unit

Ascending Node (Ω)

Value

229.1905

1-sigma variation

0.0393

Unit

Arg. of Perihelion (ω)

Value

111.2216

1-sigma variation

0.2502

Unit

Mean Anomaly (M)

Value

267.28978

1-sigma variation

1.14594

Unit

Perihelion

Value

0.807870

1-sigma variation

Unit

Aphelion

Value

2.207943

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.412207

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.021833

1-sigma variation

Unit

MOID

Value

0.016743

1-sigma variation

Unit

Orbit Period

Value

676.3323

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.31237E-4	4.42933E-5	3.25145E-3	4.48196E-4	-2.86538E-3	1.31275E-2
e	4.42933E-5	1.49556E-5	1.09634E-3	1.51003E-4	-9.66622E-4	4.43113E-3
i	3.25145E-3	1.09634E-3	8.07377E-2	1.11501E-2	-7.10682E-2	3.25150E-1
Ω	4.48196E-4	1.51003E-4	1.11501E-2	1.54225E-3	-9.80533E-3	4.48101E-2
ω	-2.86538E-3	-9.66622E-4	-7.10682E-2	-9.80533E-3	6.25973E-2	-2.86583E-1
M	1.31275E-2	4.43113E-3	3.25150E-1	4.48101E-2	-2.86583E-1	1.31317E0

Date of computation: 2023-05-26 13:32 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

22.833

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

100*

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

Unit

Source

[1]

Astrometry Summary

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

Optical

Value

Unit

Source

RMS of Residuals

Value

0.459595

Unit

arcsec

Source

[1]

First Observation

Value

2023-05-22.330527

Unit

Source

[2]

Last Observation

Value

2023-05-26.29454

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (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

[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 2023KK2 from 1950 to 2123

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possibile distance in au	Distance uncert. in au
EARTH	1971-11-20 00:31	> 1 mo	0.1968194	0.0105827	25.1700998
EARTH	1984-11-10 02:28	> 1 mo	0.0185680	0.0181579	0.1372628
EARTH	1997-10-31 09:46	> 1 mo	0.1937824	0.0028858	1.7072121
EARTH	2034-11-12 18:03	> 1 mo	0.0459436	0.0159944	0.7807754
EARTH	2047-11-04 17:10	> 1 mo	0.1244676	0.0117962	0.7931657
EARTH	2097-11-14 05:10	> 1 w	0.0793956	0.0143936	0.4728421
EARTH	2110-11-07 23:44	> 1 w	0.0770149	0.0126040	0.5655415

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