Asteroids

2025UE8 help

Last update: 2025-10-29 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.745

Aphelion (Q)

1.375

Eccentricity (e)

0.297

Inclination (i)

3.0

deg

Orbit period (P)

398.7

Earth MOID

0.00586

U parameter

7.1

Next Earth close approach

Date

2035-04-08

Nominal distance (from Earth center)

0.05966

8924946

Maximum Brightness

24.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.2

mag

Diameter

9 - 21*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-10-28

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

1.060095

1-sigma variation

0.000182

Unit

Eccentricity (e)

Value

0.297067

1-sigma variation

0.000260

Unit

Inclination (i)

Value

2.9680

1-sigma variation

0.0031

Unit

Long. of Ascending Node (Ω)

Value

218.6623

1-sigma variation

0.0013

Unit

Arg. of Perihelion (ω)

Value

78.0006

1-sigma variation

0.0108

Unit

Mean Anomaly (M)

Value

84.73058

1-sigma variation

0.03993

Unit

Perihelion distance

Value

0.745176

1-sigma variation

Unit

Aphelion distance

Value

1.375015

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.098452

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.037761

1-sigma variation

Unit

MOID

Value

0.005862

1-sigma variation

Unit

Orbit Period

Value

398.6722

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.29541E-8	4.51348E-8	5.56413E-7	-2.13768E-7	1.23801E-6	-7.24210E-6
e	4.51348E-8	6.78104E-8	7.62787E-7	-2.52792E-7	1.04959E-6	-1.00430E-5
i	5.56413E-7	7.62787E-7	9.40310E-6	-3.61510E-6	2.08361E-5	-1.22293E-4
Ω	-2.13768E-7	-2.52792E-7	-3.61510E-6	1.66749E-6	-1.23547E-5	4.61501E-5
ω	1.23801E-6	1.04959E-6	2.08361E-5	-1.23547E-5	1.16164E-4	-2.58701E-4
M	-7.24210E-6	-1.00430E-5	-1.22293E-4	4.61501E-5	-2.58701E-4	1.59411E-3

Date of computation: 2025-10-29 13:00 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

27.238

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

9 - 21*

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

0.9

Unit

Source

[1]

Unobserved

Value

0.8

Unit

Source

[1]

Normalized RMS of residuals

Value

0.570088

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-10-28.137203

Unit

Source

[2]

Last Observation

Value

2025-10-29.086773

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

37 (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 2025UE8 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	1960-04-10 11:21	> 1 w	0.0505065	0.0201651	0.1996069
EARTH	1962-10-27 00:34	> 1 mo	0.0332827	0.0071603	0.6902869
EARTH	1985-04-06 15:25	> 1 w	0.0523513	0.0177154	0.1863538
EARTH	1987-10-24 04:56	> 1 w	0.0467764	0.0064394	0.2128364
EARTH	1998-04-11 11:18	> 1 d	0.0518760	0.0185106	0.0677974
EARTH	2000-10-27 07:34	> 1 d	0.0482374	0.0066269	0.1225407
EARTH	2023-04-09 16:11	192.5	0.0172522	0.0172109	0.0000659
EARTH	2025-10-26 02:47	< 1 min	0.0098836	0.0098556	0.0000093
EARTH	2035-04-08 06:04	1296.7	0.0596596	0.0162516	0.0190991
EARTH	2037-10-26 12:11	1367.5	0.0106657	0.0053808	0.0174049
EARTH	2047-04-29 11:29	> 1 mo	0.1527979	0.0270079	0.2639725
EARTH	2058-04-04 03:24	> 1 mo	0.1717623	0.0156208	0.9388554
EARTH	2060-10-24 10:10	> 1 mo	0.0366612	0.0048030	1.1117249
EARTH	2070-04-12 05:55	> 1 w	0.0186190	0.0153724	0.1264648
EARTH	2072-11-01 14:20	> 1 mo	0.1586686	0.0033353	0.9028751
EARTH	2083-10-21 02:07	> 1 mo	0.1064075	0.0037354	3.6771130
EARTH	2093-04-15 01:23	> 1 mo	0.0665489	0.0149567	3.7120347
EARTH	2104-04-04 07:55	> 1 w	0.1768813	0.0151341	0.2603959
EARTH	2106-10-26 05:16	> 1 mo	0.0227571	0.0044638	1.2158943
EARTH	2116-04-14 12:33	> 1 mo	0.0529025	0.0161324	1.3170798
EARTH	2118-11-04 15:16	> 1 mo	0.1981240	0.0037816	2.0389838

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
78.13015415	291.87308050	0.00586212	MINIMUM
280.89517848	97.82351927	0.01675974	MINIMUM
359.29047881	194.71906766	0.27591996	SADDLE
179.67437745	14.91682128	0.39528673	SADDLE
359.02036043	14.33184236	1.72874687	SADDLE
179.35740643	194.67993751	2.39183399	MAXIMUM

Download:

MOID Plots

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