Asteroids

2023WA help

Last update: 2023-12-08 19:34 UTC

Orbital Properties

Epoch

60200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.647

Aphelion (Q)

2.536

Eccentricity (e)

0.593

Inclination (i)

4.1

deg

Orbit period (P)

733.3

Earth MOID

0.00002

U parameter

6.8

Next Earth close approach

Date

2034-04-26

Nominal distance (from Earth center)

0.05861

8768531

Maximum Brightness

25.3

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

28.5

mag

Diameter

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2023-11-16

Observatory

ATLAS Chile, Rio Hurtado

Orbit Visualiser

Click the button to start Orbit Visualiser

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

60200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.591434

1-sigma variation

0.000274

Unit

Eccentricity (e)

Value

0.593461

1-sigma variation

0.000091

Unit

Inclination (i)

Value

4.0791

1-sigma variation

0.0006

Unit

Long. of Ascending Node (Ω)

Value

54.1421

1-sigma variation

6.627E-6

Unit

Arg. of Perihelion (ω)

Value

85.9363

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

303.83763

1-sigma variation

0.01610

Unit

Perihelion distance

Value

0.646980

1-sigma variation

Unit

Aphelion distance

Value

2.535888

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.000140

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.064050

1-sigma variation

Unit

MOID

Value

0.000017

1-sigma variation

Unit

Orbit Period

Value

733.2995

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.51798E-8	2.49494E-8	1.61844E-7	-1.78213E-9	1.88919E-8	4.41500E-6
e	2.49494E-8	8.28035E-9	5.37293E-8	-5.91641E-10	6.38138E-9	1.46517E-6
i	1.61844E-7	5.37293E-8	3.49564E-7	-3.85751E-9	4.44646E-8	9.50428E-6
Ω	-1.78213E-9	-5.91641E-10	-3.85751E-9	4.39177E-11	-4.91925E-10	-1.04656E-7
ω	1.88919E-8	6.38138E-9	4.44646E-8	-4.91925E-10	2.65763E-8	1.10863E-6
M	4.41500E-6	1.46517E-6	9.50428E-6	-1.04656E-7	1.10863E-6	2.59275E-4

Date of computation: 2023-12-05 12:52 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

28.504

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

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 ODIM	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

0.9

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.339562

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2023-11-16.216892

Unit

Source

[2]

Last Observation

Value

2023-11-17.081741

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

33 (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

[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 2023WA 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
VENUS	1963-07-26 13:21	> 1 mo	0.0238792	0.0196175	0.1539517
VENUS	1985-11-05 15:54	> 1 d	0.0151584	0.0008843	0.0104561
EARTH	2017-11-06 17:01	477.0	0.1816801	0.1608913	0.0069296
EARTH	2019-11-10 15:58	391.0	0.1143922	0.0985469	0.0052818
EARTH	2021-11-14 01:10	268.3	0.0426860	0.0328219	0.0032881
EARTH	2023-11-17 03:40	< 1 s	0.0001830	0.0001829	0.0000000
EARTH	2034-04-26 05:21	1348.6	0.0586140	0.0188302	0.0145767
VENUS	2039-03-29 14:23	> 1 d	0.0030167	0.0028625	0.0037938
EARTH	2056-11-10 15:39	> 1 mo	0.0961936	0.0024487	6.6477017
VENUS	2062-01-08 16:00	> 1 mo	0.0213205	0.0041069	3.5522808
EARTH	2072-04-21 08:26	> 1 mo	0.0199848	0.0117978	17.4630421
VENUS	2084-10-15 18:32	> 1 mo	0.0248811	0.0080620	3.7857496
EARTH	2099-11-11 19:46	> 1 mo	0.0971139	0.0010262	8.3355910
VENUS	2107-07-28 03:39	> 1 mo	0.0330736	0.0245256	0.9181216
EARTH	2115-04-13 00:52	> 1 mo	0.1267443	0.0112783	3.5294054

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