Asteroids

2025MU90 help

Last update: 2025-07-01 13:39 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.636

Aphelion (Q)

1.588

Eccentricity (e)

0.428

Inclination (i)

0.6

deg

Orbit period (P)

428.2

Earth MOID

0.00960

U parameter

7.7

Next Earth close approach

Date

2043-12-05

Nominal distance (from Earth center)

0.08386

12544798

Maximum Brightness

23.6

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-06-30

Observatory

MAP, San Pedro de Atacama

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.111734

1-sigma variation

0.000490

Unit

Eccentricity (e)

Value

0.427953

1-sigma variation

0.000658

Unit

Inclination (i)

Value

0.5935

1-sigma variation

0.0008

Unit

Long. of Ascending Node (Ω)

Value

177.7794

1-sigma variation

0.4938

Unit

Arg. of Perihelion (ω)

Value

351.7971

1-sigma variation

0.5022

Unit

Mean Anomaly (M)

Value

10.81075

1-sigma variation

0.04421

Unit

Perihelion distance

Value

0.635964

1-sigma variation

Unit

Aphelion distance

Value

1.587504

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.357749

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.571920

1-sigma variation

Unit

MOID

Value

0.009601

1-sigma variation

Unit

Orbit Period

Value

428.1539

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.40105E-7	3.19108E-7	-2.79686E-8	1.64874E-4	-1.67349E-4	-2.15305E-5
e	3.19108E-7	4.33391E-7	-1.15634E-7	2.53721E-4	-2.57675E-4	-2.90828E-5
i	-2.79686E-8	-1.15634E-7	6.76508E-7	-3.15716E-4	3.21595E-4	6.47968E-6
Ω	1.64874E-4	2.53721E-4	-3.15716E-4	2.43845E-1	-2.48011E-1	-1.65347E-2
ω	-1.67349E-4	-2.57675E-4	3.21595E-4	-2.48011E-1	2.52250E-1	1.67901E-2
M	-2.15305E-5	-2.90828E-5	6.47968E-6	-1.65347E-2	1.67901E-2	1.95428E-3

Date of computation: 2025-07-01 13:39 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

26.103

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

16 - 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

[-]

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.727252

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-06-30.1704

Unit

Source

[2]

Last Observation

Value

2025-07-01.24017

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

37 (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 2025MU90 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	1950-06-23 12:56	> 1 w	0.0507391	0.0111283	0.1622705
VENUS	1952-09-15 14:47	> 1 mo	0.0286678	0.0186660	0.3980290
EARTH	1957-06-28 07:57	> 1 mo	0.0607961	0.0105803	0.6618745
VENUS	1965-06-14 02:50	> 1 mo	0.0480473	0.0342791	0.4164872
EARTH	1975-11-24 15:32	> 1 w	0.1585218	0.0090395	0.3544908
EARTH	1982-12-01 15:43	> 1 d	0.0111045	0.0091425	0.0262954
MARS	1985-01-18 18:49	> 1 d	0.0480393	0.0149268	0.0287982
EARTH	1991-06-23 16:31	> 1 d	0.0480359	0.0102558	0.0359359
MARS	1994-06-18 22:16	590.4	0.0348733	0.0148392	0.0120723
EARTH	1998-07-03 23:26	434.7	0.1825343	0.1546185	0.0093086
EARTH	2009-11-26 17:19	> 1 d	0.1018878	0.0094673	0.0411916
EARTH	2016-12-06 01:15	> 1 d	0.1154920	0.0195246	0.0325654
EARTH	2018-06-15 20:36	> 1 d	0.1987862	0.1128096	0.0286900
EARTH	2025-06-25 19:35	4.6	0.0109331	0.0109039	0.0000097
EARTH	2043-12-05 18:46	> 1 d	0.0838568	0.0103108	0.0598160
EARTH	2052-06-30 00:06	> 1 d	0.1008097	0.0105328	0.0411138
EARTH	2063-11-30 16:23	599.5	0.0363043	0.0167200	0.0069604
EARTH	2072-06-22 16:18	> 1 d	0.0664656	0.0105353	0.0310497
EARTH	2079-07-04 09:18	> 1 d	0.1753852	0.0731833	0.0341559
EARTH	2090-11-28 07:05	1304.8	0.0846640	0.0246915	0.0204218
EARTH	2097-12-09 21:31	28.9	0.1762865	0.1743806	0.0006353
EARTH	2099-06-20 15:02	119.8	0.1290402	0.1249863	0.0013516
VENUS	2105-01-31 17:06	> 1 d	0.0388042	0.0339467	0.0104575
EARTH	2106-07-03 01:20	1300.0	0.1239757	0.0626456	0.0205137
VENUS	2116-12-17 23:40	> 1 d	0.0175848	0.0164487	0.0186401
EARTH	2117-11-27 11:41	> 1 d	0.1275804	0.0101651	0.0907731
EARTH	2124-12-10 02:09	> 1 w	0.1589128	0.0111549	0.3166517

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
285.28997160	327.18197172	0.00960065	MINIMUM
78.40453032	171.58368631	0.01038419	MINIMUM
2.91154412	70.55911454	0.35802766	SADDLE
181.16358497	248.62815109	0.58152362	SADDLE
2.94574263	250.59773280	1.64168629	SADDLE
181.15311271	68.61493395	2.58124033	MAXIMUM

Download:

MOID Plots

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