Asteroids

2024EH help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.930

Aphelion (Q)

2.608

Eccentricity (e)

0.474

Inclination (i)

2.7

deg

Orbit period (P)

859.5

Earth MOID

0.00048

U parameter

6.8

Next Earth close approach

Date

2031-06-04

Nominal distance (from Earth center)

0.07285

10898852

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.1

mag

Diameter

10 - 23*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-03-02

Observatory

Mt. Lemmon Survey

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

1.769145

1-sigma variation

0.000426

Unit

Eccentricity (e)

Value

0.474159

1-sigma variation

0.000134

Unit

Inclination (i)

Value

2.7233

1-sigma variation

0.0005

Unit

Long. of Ascending Node (Ω)

Value

167.5697

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

36.0482

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

249.30007

1-sigma variation

0.08948

Unit

Perihelion distance

Value

0.930289

1-sigma variation

Unit

Aphelion distance

Value

2.608002

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.002273

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.216351

1-sigma variation

Unit

MOID

Value

0.000483

1-sigma variation

Unit

Orbit Period

Value

859.4955

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.81246E-7	5.71239E-8	2.19541E-7	5.13736E-8	7.44633E-8	-3.80938E-5
e	5.71239E-8	1.80040E-8	6.91936E-8	1.61914E-8	2.34720E-8	-1.20062E-5
i	2.19541E-7	6.91936E-8	2.65974E-7	6.21888E-8	9.03383E-8	-4.61425E-5
Ω	5.13736E-8	1.61914E-8	6.21888E-8	1.46164E-8	2.09790E-8	-1.07976E-5
ω	7.44633E-8	2.34720E-8	9.03383E-8	2.09790E-8	3.22528E-8	-1.56509E-5
M	-3.80938E-5	-1.20062E-5	-4.61425E-5	-1.07976E-5	-1.56509E-5	8.00647E-3

Date of computation: 2025-11-24 16:53 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

27.105

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

10 - 23*

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

728

Unit

Source

[1]

Normalized RMS of residuals

Value

0.560195

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-03-02.18872

Unit

Source

[2]

Last Observation

Value

2024-03-07.165023

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

56 (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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2024EH from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1978-05-11 02:58	> 1 d	0.0552690	0.0463701	0.0076452
EARTH	1995-02-21 16:36	> 1 d	0.1304376	0.0032587	0.0460335
EARTH	2007-06-07 04:48	> 1 d	0.1206893	0.0468843	0.0329458
EARTH	2024-03-07 01:55	< 1 s	0.0033835	0.0033811	0.0000008
EARTH	2031-06-04 03:32	> 1 d	0.0728543	0.0487301	0.0111588
EARTH	2057-02-19 22:31	> 1 d	0.1497349	0.0040894	0.0584976
EARTH	2064-05-04 00:14	> 1 w	0.0755993	0.0576577	0.0147145
EARTH	2097-02-16 13:24	316.4	0.1951424	0.1839762	0.0037222
EARTH	2104-04-04 01:39	> 1 d	0.0746056	0.0569105	0.0059944
EARTH	2111-06-12 11:35	> 1 d	0.1149750	0.0556089	0.0232765

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
337.63654381	64.78668810	0.00048262	MINIMUM
25.38488280	143.02685146	0.04704732	MINIMUM
3.55524804	107.20964775	0.08021488	SADDLE
180.75524619	283.10378399	1.61172787	SADDLE
1.96803804	284.55006146	1.92678325	SADDLE
180.65849413	103.04898961	3.61222516	MAXIMUM

Download:

MOID Plots

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