Asteroids

2024ES4 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.036

Aphelion (Q)

2.292

Eccentricity (e)

0.377

Inclination (i)

2.7

deg

Orbit period (P)

783.9

Earth MOID

0.03422

U parameter

6.3

Next Earth close approach

Date

2039-05-02

Nominal distance (from Earth center)

0.09288

13895387

Maximum Brightness

22.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.8

mag

Diameter

19 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-03-14

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.663852

1-sigma variation

0.000161

Unit

Eccentricity (e)

Value

0.377329

1-sigma variation

0.000058

Unit

Inclination (i)

Value

2.7492

1-sigma variation

0.0003

Unit

Long. of Ascending Node (Ω)

Value

202.7144

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

351.6474

1-sigma variation

0.0004

Unit

Mean Anomaly (M)

Value

274.55644

1-sigma variation

0.04010

Unit

Perihelion distance

Value

1.036032

1-sigma variation

Unit

Aphelion distance

Value

2.291672

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.035079

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.279783

1-sigma variation

Unit

MOID

Value

0.034224

1-sigma variation

Unit

Orbit Period

Value

783.9176

1-sigma variation

Unit

U parameter

Value

6.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.59974E-8	9.28650E-9	4.90021E-8	9.28593E-8	4.45278E-9	-6.46563E-6
e	9.28650E-9	3.31733E-9	1.75080E-8	3.30777E-8	1.73963E-9	-2.30960E-6
i	4.90021E-8	1.75080E-8	9.25620E-8	1.71091E-7	1.43218E-8	-1.21877E-5
Ω	9.28593E-8	3.30777E-8	1.71091E-7	4.16323E-7	-1.12840E-7	-2.30776E-5
ω	4.45278E-9	1.73963E-9	1.43218E-8	-1.12840E-7	2.01645E-7	-1.13494E-6
M	-6.46563E-6	-2.30960E-6	-1.21877E-5	-2.30776E-5	-1.13494E-6	1.60802E-3

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

25.786

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

19 - 40*

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

[-]

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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

553

Unit

Source

[1]

Normalized RMS of residuals

Value

0.735898

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-02-12.409846

Unit

Source

[2]

Last Observation

Value

2024-03-16.217158

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (2)

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 2024ES4 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	1953-04-02 20:05	> 1 d	0.0378535	0.0284369	0.0043717
EARTH	1981-03-09 10:46	> 1 d	0.1329724	0.0795537	0.0178633
EARTH	1996-05-08 04:35	> 1 d	0.1458534	0.0805216	0.0217888
EARTH	2024-03-28 18:35	< 1 min	0.0454508	0.0454323	0.0000062
EARTH	2039-05-02 07:59	> 1 d	0.0928849	0.0587801	0.0113689
EARTH	2082-04-06 17:56	> 1 d	0.0352452	0.0339215	0.0005047
EARTH	2097-05-11 11:07	> 1 d	0.1622818	0.0448099	0.0392912
EARTH	2125-03-07 15:50	> 1 d	0.1809702	0.0156867	0.0601240

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
2.86415788	95.51192974	0.03515085	MINIMUM
180.96533179	273.21300990	1.29248770	SADDLE
2.19048664	274.51238934	2.03461792	SADDLE
181.01327618	93.24595154	3.29212207	MAXIMUM

Download:

MOID Plots

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