Asteroids

2024UE4 help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.821

Aphelion (Q)

2.544

Eccentricity (e)

0.512

Inclination (i)

4.6

deg

Orbit period (P)

797.4

Earth MOID

0.00145

U parameter

3.6

Next Earth close approach

Date

2038-03-14

Nominal distance (from Earth center)

0.07058

10558499

Maximum Brightness

22.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.4

mag

Diameter

22 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-10-25

Observatory

Kitt Peak-Bok

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.682941

1-sigma variation

0.000003

Unit

Eccentricity (e)

Value

0.511910

1-sigma variation

0.000001

Unit

Inclination (i)

Value

4.6465

1-sigma variation

1.137E-5

Unit

Long. of Ascending Node (Ω)

Value

231.4491

1-sigma variation

7.598E-6

Unit

Arg. of Perihelion (ω)

Value

239.2056

1-sigma variation

3.420E-5

Unit

Mean Anomaly (M)

Value

239.98515

1-sigma variation

0.00061

Unit

Perihelion distance

Value

0.821426

1-sigma variation

Unit

Aphelion distance

Value

2.544456

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.673745

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.006185

1-sigma variation

Unit

MOID

Value

0.001448

1-sigma variation

Unit

Orbit Period

Value

797.4471

1-sigma variation

Unit

U parameter

Value

3.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.16725E-12	2.94219E-12	2.88448E-11	-1.18190E-11	7.20848E-11	-1.72920E-9
e	2.94219E-12	1.06612E-12	1.05160E-11	-4.22694E-12	2.77094E-11	-6.23273E-10
i	2.88448E-11	1.05160E-11	1.29344E-10	-6.36847E-11	3.13463E-10	-6.11454E-9
Ω	-1.18190E-11	-4.22694E-12	-6.36847E-11	5.77274E-11	-1.38711E-10	2.50155E-9
ω	7.20848E-11	2.77094E-11	3.13463E-10	-1.38711E-10	1.16988E-9	-1.53587E-8
M	-1.72920E-9	-6.23273E-10	-6.11454E-9	2.50155E-9	-1.53587E-8	3.66133E-7

Date of computation: 2026-06-04 23:11 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

25.397

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

22 - 50*

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

572

Unit

Source

[1]

Normalized RMS of residuals

Value

0.598891

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-10-25.372597

Unit

Source

[2]

Last Observation

Value

2024-11-12.045941

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

99 (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

2024-11-11

Unit

Source

[3]

Last Observation

Value

2024-11-11

Unit

Source

[3]

Delay (Discarded)

Value

2 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

2 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

4 (0)

Unit

Source

[1]

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
[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

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 2024UE4 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	1950-01-20 05:42	62.4	0.1713466	0.1713108	0.0000119
EARTH	1961-02-20 17:24	23.8	0.1269490	0.1268274	0.0000405
EARTH	1972-03-11 22:53	< 1 min	0.0710016	0.0710010	0.0000002
EARTH	1983-03-23 19:36	4.6	0.1674783	0.1673109	0.0000558
EARTH	2013-11-06 19:42	18.4	0.0703622	0.0698452	0.0001723
EARTH	2024-11-11 22:35	< 1 s	0.0086425	0.0086425	0.0000000
EARTH	2038-03-14 22:21	29.7	0.0705792	0.0704498	0.0000442
EARTH	2048-11-28 22:16	186.8	0.0990477	0.0975904	0.0004858
EARTH	2073-01-21 09:34	311.8	0.1728425	0.1726552	0.0000626
EARTH	2083-11-05 06:52	42.4	0.1099523	0.1085848	0.0004558
EARTH	2097-03-10 09:57	8.5	0.0751618	0.0750939	0.0000227
EARTH	2107-11-20 23:00	98.4	0.0467235	0.0452981	0.0004751

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
323.61175397	310.01226944	0.00135409	MINIMUM
37.64045056	70.40643833	0.06949718	MINIMUM
2.03666735	12.58719450	0.17446672	SADDLE
180.29392289	189.48966815	1.53067334	SADDLE
0.50799131	189.93977234	1.83823569	SADDLE
180.02673745	9.33441706	3.52654838	MAXIMUM

Download:

MOID Plots

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