Asteroids

2023KW3 help

Last update: 2025-02-19 13:28 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Amor

Perihelion (q)

1.022

Aphelion (Q)

2.634

Eccentricity (e)

0.441

Inclination (i)

6.3

deg

Orbit period (P)

902.7

Earth MOID

0.00885

U parameter

7.0

Next Earth close approach

Date

2065-05-27

Nominal distance (from Earth center)

0.00919

1374944

Maximum Brightness

18.7

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.8

mag

Diameter

7 - 16*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-05-28

Observatory

Catalina Sky Survey

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.828007

1-sigma variation

0.000570

Unit

Eccentricity (e)

Value

0.441121

1-sigma variation

0.000170

Unit

Inclination (i)

Value

6.3266

1-sigma variation

0.0018

Unit

Long. of Ascending Node (Ω)

Value

244.3225

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

359.7856

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

282.69730

1-sigma variation

0.13256

Unit

Perihelion distance

Value

1.021634

1-sigma variation

Unit

Aphelion distance

Value

2.634379

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.008872

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.647381

1-sigma variation

Unit

MOID

Value

0.008849

1-sigma variation

Unit

Orbit Period

Value

902.7450

1-sigma variation

Unit

U parameter

Value

7.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.24972E-7	9.71348E-8	1.01824E-6	-4.74546E-8	2.51737E-7	-7.55704E-5
e	9.71348E-8	2.90338E-8	3.04355E-7	-1.41843E-8	7.52444E-8	-2.25882E-5
i	1.01824E-6	3.04355E-7	3.19117E-6	-1.48511E-7	7.87713E-7	-2.36786E-4
Ω	-4.74546E-8	-1.41843E-8	-1.48511E-7	7.00671E-9	-3.70426E-8	1.10354E-5
ω	2.51737E-7	7.52444E-8	7.87713E-7	-3.70426E-8	2.04931E-7	-5.85436E-5
M	-7.55704E-5	-2.25882E-5	-2.36786E-4	1.10354E-5	-5.85436E-5	1.75735E-2

Date of computation: 2025-02-19 13:28 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

27.832

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

7 - 16*

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

712

Unit

Source

[1]

Normalized RMS of residuals

Value

0.734299

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-05-25.21538

Unit

Source

[2]

Last Observation

Value

2023-05-30.266958

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

39 (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

[-]

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 2023KW3 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	1964-05-25 18:43	> 1 mo	0.0077063	0.0077033	0.0064625
EARTH	1991-06-07 14:47	> 1 w	0.0337261	0.0004098	0.0543613
EARTH	2023-05-28 02:59	< 1 s	0.0090457	0.0090368	0.0000030
EARTH	2065-05-27 04:02	> 1 w	0.0091909	0.0086638	0.0216691
EARTH	2117-06-20 13:51	> 1 mo	0.0725862	0.0194634	12.5428978
EARTH	2122-05-03 08:33	> 1 mo	0.0866216	0.0173108	8.4427641

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
0.41047147	142.18410771	0.00861595	MINIMUM
180.44629986	322.61950477	1.64876788	SADDLE
1.15199337	323.39937655	2.00775444	SADDLE
180.46074638	142.63444203	3.64799399	MAXIMUM

Download:

MOID Plots

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