Asteroids

2025MU34 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.923

Aphelion (Q)

1.373

Eccentricity (e)

0.196

Inclination (i)

4.6

deg

Orbit period (P)

449.3

Earth MOID

0.04028

U parameter

4.6

Next Earth close approach

Date

2040-11-09

Nominal distance (from Earth center)

0.0468

7001442

Maximum Brightness

26.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.5

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-02

Observatory

Simonyi Survey Telescope, Rubin Observatory

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

1.148048

1-sigma variation

0.000005

Unit

Eccentricity (e)

Value

0.196115

1-sigma variation

0.000005

Unit

Inclination (i)

Value

4.5688

1-sigma variation

0.0001

Unit

Long. of Ascending Node (Ω)

Value

59.9171

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

20.7409

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

75.81705

1-sigma variation

0.00253

Unit

Perihelion distance

Value

0.922899

1-sigma variation

Unit

Aphelion distance

Value

1.373197

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.055298

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.339809

1-sigma variation

Unit

MOID

Value

0.040284

1-sigma variation

Unit

Orbit Period

Value

449.3020

1-sigma variation

Unit

U parameter

Value

4.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.15525E-11	2.19673E-11	5.77054E-10	-1.30793E-9	6.65648E-10	-1.17225E-8
e	2.19673E-11	2.27351E-11	6.07050E-10	-1.45275E-9	6.66640E-10	-1.18481E-8
i	5.77054E-10	6.07050E-10	1.66313E-8	-4.30074E-8	1.80660E-8	-3.07786E-7
Ω	-1.30793E-9	-1.45275E-9	-4.30074E-8	1.41275E-7	-5.18582E-8	6.71378E-7
ω	6.65648E-10	6.66640E-10	1.80660E-8	-5.18582E-8	3.41171E-8	-3.62782E-7
M	-1.17225E-8	-1.18481E-8	-3.07786E-7	6.71378E-7	-3.62782E-7	6.40773E-6

Date of computation: 2026-03-17 23:26 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

24.503

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

30 - 70*

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

350

Unit

Source

[1]

Normalized RMS of residuals

Value

0.319831

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-07.571745

Unit

Source

[2]

Last Observation

Value

2025-05-04.154097

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

91 (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 2025MU34 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	1961-02-16 10:06	41.0	0.1895479	0.1880647	0.0004948
EARTH	1965-10-16 22:40	10.1	0.0640874	0.0639290	0.0000529
EARTH	1977-02-15 08:45	88.4	0.1713166	0.1676186	0.0012363
EARTH	1981-10-09 08:38	174.3	0.1205879	0.1159015	0.0015682
EARTH	1993-02-03 09:07	282.3	0.0834906	0.0816905	0.0006275
EARTH	2009-01-07 17:32	399.3	0.0716716	0.0716680	0.0000029
EARTH	2024-12-05 15:48	< 1 min	0.0648644	0.0648585	0.0000020
EARTH	2040-11-09 21:37	359.7	0.0468017	0.0462840	0.0001778
EARTH	2056-10-30 01:26	679.5	0.0400334	0.0398925	0.0001122
EARTH	2072-10-14 04:58	1414.0	0.0766844	0.0572962	0.0071519
EARTH	2084-02-05 02:30	598.1	0.0895686	0.0844490	0.0018505
EARTH	2099-12-24 04:17	> 1 d	0.0706926	0.0701601	0.0004465
EARTH	2115-11-15 10:00	> 1 d	0.0498055	0.0445995	0.0047565
EARTH	2116-03-14 11:26	> 1 w	0.1958257	0.1704116	0.0088335

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
322.08626312	294.88635597	0.04003460	MINIMUM
26.55346351	11.18282342	0.07175417	MINIMUM
22.39848697	6.30734317	0.07176934	SADDLE
180.46371528	159.42187497	0.35776377	SADDLE
358.20701819	157.53670750	1.93968803	SADDLE
178.41752691	337.73730861	2.35772075	MAXIMUM

Download:

MOID Plots

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