Asteroids

2024WA help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.928

Aphelion (Q)

1.956

Eccentricity (e)

0.357

Inclination (i)

8.7

deg

Orbit period (P)

632.7

Earth MOID

0.00088

U parameter

7.2

Next Earth close approach

Date

2050-10-15

Nominal distance (from Earth center)

0.11123

16639490

Maximum Brightness

26.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.8

mag

Diameter

12 - 26*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-11-16

Observatory

ATLAS-MLO, Mauna Loa

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.442291

1-sigma variation

0.000421

Unit

Eccentricity (e)

Value

0.356505

1-sigma variation

0.000209

Unit

Inclination (i)

Value

8.7230

1-sigma variation

0.0040

Unit

Long. of Ascending Node (Ω)

Value

232.8024

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

139.4653

1-sigma variation

0.0011

Unit

Mean Anomaly (M)

Value

229.90203

1-sigma variation

0.10217

Unit

Perihelion distance

Value

0.928106

1-sigma variation

Unit

Aphelion distance

Value

1.956475

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.714546

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.001426

1-sigma variation

Unit

MOID

Value

0.000876

1-sigma variation

Unit

Orbit Period

Value

632.6706

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.77401E-7	8.78566E-8	1.67214E-6	4.11889E-8	-4.71005E-7	-4.30322E-5
e	8.78566E-8	4.35106E-8	8.28116E-7	2.04532E-8	-2.33347E-7	-2.13114E-5
i	1.67214E-6	8.28116E-7	1.57612E-5	3.88689E-7	-4.44037E-6	-4.05611E-4
Ω	4.11889E-8	2.04532E-8	3.88689E-7	2.24874E-8	-1.28791E-7	-9.99155E-6
ω	-4.71005E-7	-2.33347E-7	-4.44037E-6	-1.28791E-7	1.28068E-6	1.14252E-4
M	-4.30322E-5	-2.13114E-5	-4.05611E-4	-9.99155E-6	1.14252E-4	1.04383E-2

Date of computation: 2025-09-10 00:30 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

26.803

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

12 - 26*

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

347

Unit

Source

[1]

Normalized RMS of residuals

Value

0.643316

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-11-16.507734

Unit

Source

[2]

Last Observation

Value

2024-12-01.36557

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 2024WA 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	1952-11-19 21:45	> 1 w	0.0473094	0.0005654	0.0837975
EARTH	1959-12-01 16:39	> 1 d	0.1964314	0.0097764	0.0915286
EARTH	2003-08-13 17:12	> 1 d	0.1393005	0.1371732	0.0062794
EARTH	2010-09-22 02:39	> 1 w	0.1323274	0.1218925	0.0059100
EARTH	2017-10-28 19:54	> 1 d	0.0778028	0.0375371	0.0137973
EARTH	2024-11-14 19:06	< 1 min	0.0008844	0.0008830	0.0000005
EARTH	2050-10-15 23:21	> 1 w	0.1112281	0.0547505	0.0368545
EARTH	2069-11-27 02:50	> 1 d	0.1227307	0.0077799	0.0777232
EARTH	2076-08-17 16:56	> 1 w	0.1563863	0.1531419	0.0102459
EARTH	2095-11-13 06:12	1334.4	0.0176284	0.0009739	0.0057687
EARTH	2114-09-22 05:41	> 1 mo	0.1419381	0.1282013	0.0550111

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
28.36566449	311.05307657	0.00082213	MINIMUM
176.97205248	87.80567907	0.96722579	SADDLE
356.46372206	86.25004790	1.92478148	SADDLE
179.33225449	269.42906722	2.95310692	MAXIMUM

Download:

MOID Plots

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