Asteroids

2023WB help

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

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.895

Aphelion (Q)

4.746

Eccentricity (e)

0.683

Inclination (i)

3.3

deg

Orbit period (P)

1730.3

Earth MOID

0.00395

U parameter

6.7

Next Earth close approach

Date

2084-11-24

Nominal distance (from Earth center)

0.06522

9756969

Maximum Brightness

26.3

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.5

mag

Diameter

13 - 29*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-11-16

Observatory

ATLAS Chile, Rio Hurtado

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

2.820697

1-sigma variation

0.001026

Unit

Eccentricity (e)

Value

0.682552

1-sigma variation

0.000119

Unit

Inclination (i)

Value

3.3280

1-sigma variation

0.0005

Unit

Long. of Ascending Node (Ω)

Value

52.1548

1-sigma variation

2.161E-5

Unit

Arg. of Perihelion (ω)

Value

43.8124

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

105.03683

1-sigma variation

0.05709

Unit

Perihelion distance

Value

0.895425

1-sigma variation

Unit

Aphelion distance

Value

4.745969

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.020367

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.956095

1-sigma variation

Unit

MOID

Value

0.003949

1-sigma variation

Unit

Orbit Period

Value

1730.3465

1-sigma variation

Unit

U parameter

Value

6.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.05346E-6	1.22326E-7	4.83835E-7	-1.65456E-8	2.40494E-7	-5.85977E-5
e	1.22326E-7	1.42043E-8	5.61817E-8	-1.92149E-9	2.79305E-8	-6.80424E-6
i	4.83835E-7	5.61817E-8	2.22545E-7	-7.35509E-9	1.10098E-7	-2.69127E-5
Ω	-1.65456E-8	-1.92149E-9	-7.35509E-9	4.66816E-10	-4.13128E-9	9.20347E-7
ω	2.40494E-7	2.79305E-8	1.10098E-7	-4.13128E-9	5.81606E-8	-1.33775E-5
M	-5.85977E-5	-6.80424E-6	-2.69127E-5	9.20347E-7	-1.33775E-5	3.25943E-3

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

26.525

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

13 - 29*

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

538

Unit

Source

[1]

Normalized RMS of residuals

Value

0.520702

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-11-16.140573

Unit

Source

[2]

Last Observation

Value

2023-11-19.165228

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

58 (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 2023WB 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	1999-11-20 02:41	> 1 w	0.0155903	0.0068620	0.0537908
EARTH	2023-11-18 11:48	< 1 s	0.0044588	0.0044567	0.0000007
EARTH	2084-11-24 07:46	> 1 w	0.0652213	0.0019724	0.0435182

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
342.08737073	314.88786669	0.00405726	MINIMUM
17.26012923	32.06350069	0.05677069	MINIMUM
1.11181536	356.65634613	0.09564977	SADDLE
359.93098707	173.99227072	1.91140334	SADDLE
180.00494636	174.01548399	3.72854446	SADDLE
179.95961189	353.99645387	5.72616610	MAXIMUM

Download:

MOID Plots

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