Asteroids

2023WK help

Last update: 2025-04-30 02:31 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.798

Aphelion (Q)

4.583

Eccentricity (e)

0.703

Inclination (i)

8.1

deg

Orbit period (P)

1611.9

Earth MOID

0.04496

U parameter

8.3

Next Earth close approach

Date

2045-11-17

Nominal distance (from Earth center)

0.08879

13283290

Maximum Brightness

22.2

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

24.7

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-11-17

Observatory

Pan-STARRS 2, 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.690478

1-sigma variation

0.010652

Unit

Eccentricity (e)

Value

0.703283

1-sigma variation

0.001248

Unit

Inclination (i)

Value

8.1432

1-sigma variation

0.0124

Unit

Long. of Ascending Node (Ω)

Value

63.6025

1-sigma variation

0.0019

Unit

Arg. of Perihelion (ω)

Value

282.5278

1-sigma variation

0.0008

Unit

Mean Anomaly (M)

Value

129.82182

1-sigma variation

0.77578

Unit

Perihelion distance

Value

0.798310

1-sigma variation

Unit

Aphelion distance

Value

4.582646

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.192345

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.592478

1-sigma variation

Unit

MOID

Value

0.044955

1-sigma variation

Unit

Orbit Period

Value

1611.9168

1-sigma variation

Unit

U parameter

Value

8.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.13463E-4	1.32961E-5	1.31664E-4	-2.03945E-5	7.38374E-6	-8.26349E-3
e	1.32961E-5	1.55810E-6	1.54288E-5	-2.38986E-6	8.64741E-7	-9.68351E-4
i	1.31664E-4	1.54288E-5	1.52799E-4	-2.36739E-5	8.60873E-6	-9.58904E-3
Ω	-2.03945E-5	-2.38986E-6	-2.36739E-5	3.67090E-6	-1.34665E-6	1.48532E-3
ω	7.38374E-6	8.64741E-7	8.60873E-6	-1.34665E-6	6.42198E-7	-5.37760E-4
M	-8.26349E-3	-9.68351E-4	-9.58904E-3	1.48532E-3	-5.37760E-4	6.01827E-1

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

24.716

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

514

Unit

Source

[1]

Normalized RMS of residuals

Value

0.63532

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-11-17.389007

Unit

Source

[2]

Last Observation

Value

2023-12-03.451

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

43 (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 2023WK 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	1961-10-07 19:51	> 1 mo	0.1796369	0.0670010	0.5561469
EARTH	1970-07-30 16:54	> 1 mo	0.1855325	0.0686381	0.6895177
EARTH	2023-11-09 20:01	< 1 min	0.0465497	0.0463383	0.0000705
EARTH	2045-11-17 11:40	> 1 mo	0.0887933	0.0311678	0.7180548
EARTH	2076-07-21 16:31	> 1 mo	0.1769959	0.0979289	0.3535665
EARTH	2098-11-17 02:39	> 1 mo	0.1470257	0.0254831	1.3083789

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
26.80757862	304.70949735	0.04510883	MINIMUM
331.12985100	180.67782437	0.09350385	MINIMUM
358.00596926	240.66738603	0.24382309	SADDLE
358.79374477	62.57466593	1.78599054	SADDLE
179.74111436	64.10603302	3.60427004	SADDLE
179.84938494	244.14869875	5.58327516	MAXIMUM

Download:

MOID Plots

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