Asteroids

2023WW help

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

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.960

Aphelion (Q)

3.081

Eccentricity (e)

0.525

Inclination (i)

7.2

deg

Orbit period (P)

1048.9

Earth MOID

0.00979

U parameter

8.6

Next Earth close approach

Date

2046-10-31

Nominal distance (from Earth center)

0.19538

29228779

Maximum Brightness

23.8

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

24.6

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-11-17

Observatory

Pan-STARRS 1, 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

2.020326

1-sigma variation

0.008305

Unit

Eccentricity (e)

Value

0.524815

1-sigma variation

0.001992

Unit

Inclination (i)

Value

7.1830

1-sigma variation

0.0206

Unit

Long. of Ascending Node (Ω)

Value

249.4479

1-sigma variation

0.0034

Unit

Arg. of Perihelion (ω)

Value

196.4747

1-sigma variation

0.0036

Unit

Mean Anomaly (M)

Value

173.59297

1-sigma variation

1.06796

Unit

Perihelion distance

Value

0.960028

1-sigma variation

Unit

Aphelion distance

Value

3.080624

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.933847

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.012421

1-sigma variation

Unit

MOID

Value

0.009786

1-sigma variation

Unit

Orbit Period

Value

1048.8917

1-sigma variation

Unit

U parameter

Value

8.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.89659E-5	1.65417E-5	1.71016E-4	-2.85946E-5	2.92658E-5	-8.86897E-3
e	1.65417E-5	3.96757E-6	4.10190E-5	-6.85822E-6	7.02065E-6	-2.12725E-3
i	1.71016E-4	4.10190E-5	4.24096E-4	-7.08783E-5	7.26944E-5	-2.19927E-2
Ω	-2.85946E-5	-6.85822E-6	-7.08783E-5	1.18943E-5	-1.19747E-5	3.67718E-3
ω	2.92658E-5	7.02065E-6	7.26944E-5	-1.19747E-5	1.31076E-5	-3.76382E-3
M	-8.86897E-3	-2.12725E-3	-2.19927E-2	3.67718E-3	-3.76382E-3	1.14054E0

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

24.638

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

531

Unit

Source

[1]

Normalized RMS of residuals

Value

0.549812

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-11-17.283887

Unit

Source

[2]

Last Observation

Value

2023-11-29.061399

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

21 (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 2023WW 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	1961-01-19 16:16	> 1 mo	0.1226913	0.0791922	0.9798436
EARTH	2023-12-05 12:21	< 1 min	0.0198846	0.0196766	0.0000693
EARTH	2046-10-31 07:52	> 1 mo	0.1953823	0.0378602	0.8429076
EARTH	2067-01-08 12:30	> 1 mo	0.0810194	0.0660702	0.4803174
EARTH	2089-11-18 17:26	> 1 mo	0.0417618	0.0146693	1.0668665

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
349.20921200	325.41289974	0.00927929	MINIMUM
359.73136350	163.72691660	1.97550962	SADDLE
180.05023828	163.85388282	2.06496285	SADDLE
179.76456532	343.69754584	4.06286989	MAXIMUM

Download:

MOID Plots

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