Asteroids

2026UE2 help

Last update: 2026-10-30 12:15 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.911

Aphelion (Q)

1.846

Eccentricity (e)

0.339

Inclination (i)

2.8

deg

Orbit period (P)

591.0

Earth MOID

0.00102

U parameter

6.3

Next Earth close approach

Date

2048-01-01

Nominal distance (from Earth center)

0.07674

11479411

Maximum Brightness

30.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

29.4

mag

Diameter

3 - 8*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-28

Observatory

University of Arizona Catalina Sky 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

61400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.378248

1-sigma variation

0.000101

Unit

Eccentricity (e)

Value

0.339186

1-sigma variation

0.000053

Unit

Inclination (i)

Value

2.7834

1-sigma variation

0.0009

Unit

Long. of Ascending Node (Ω)

Value

34.3007

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

48.8293

1-sigma variation

0.0012

Unit

Mean Anomaly (M)

Value

11.71540

1-sigma variation

0.00020

Unit

Perihelion distance

Value

0.910766

1-sigma variation

Unit

Aphelion distance

Value

1.845730

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.004181

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.564896

1-sigma variation

Unit

MOID

Value

0.001023

1-sigma variation

Unit

Orbit Period

Value

591.0028

1-sigma variation

Unit

U parameter

Value

6.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.01580E-8	5.32438E-9	9.00225E-8	2.12240E-8	-1.23703E-7	-1.91134E-8
e	5.32438E-9	2.79097E-9	4.71636E-8	1.11215E-8	-6.47760E-8	-1.00418E-8
i	9.00225E-8	4.71636E-8	8.02329E-7	1.88780E-7	-1.10484E-6	-1.66350E-7
Ω	2.12240E-8	1.11215E-8	1.88780E-7	4.44531E-8	-2.59705E-7	-3.94977E-8
ω	-1.23703E-7	-6.47760E-8	-1.10484E-6	-2.59705E-7	1.53048E-6	2.23921E-7
M	-1.91134E-8	-1.00418E-8	-1.66350E-7	-3.94977E-8	2.23921E-7	3.92217E-8

Date of computation: 2026-10-30 12:15 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

29.437

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

3 - 8*

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

0.6

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.799308

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-28.283034

Unit

Source

[2]

Last Observation

Value

2026-10-28.904972

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 2026UE2 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	1950-11-20 12:28	> 1 mo	0.0622322	0.0187325	0.4811181
EARTH	1955-10-22 08:45	> 1 mo	0.0430372	0.0014822	1.2009785
EARTH	1994-02-02 16:52	> 1 mo	0.1166997	0.0711962	0.3913107
EARTH	1998-12-22 22:32	> 1 mo	0.0813926	0.0810136	0.0093700
EARTH	2003-10-27 00:11	> 1 d	0.0124189	0.0003673	0.0135245
EARTH	2022-02-09 10:37	265.2	0.1781218	0.1690345	0.0030454
EARTH	2026-10-29 01:24	< 1 s	0.0008269	0.0008265	0.0000001
EARTH	2048-01-01 15:01	> 1 d	0.0767351	0.0682270	0.0032094
EARTH	2060-10-11 13:03	1233.2	0.1763135	0.1292690	0.0156825
EARTH	2069-02-05 03:49	> 1 d	0.0696241	0.0488391	0.0097861
MARS	2072-09-03 14:24	28.2	0.0367967	0.0182238	0.0070137
EARTH	2081-11-02 01:52	87.2	0.0186632	0.0183271	0.0001123
EARTH	2094-11-04 21:32	> 1 d	0.0281291	0.0005602	0.0103163
EARTH	2108-01-18 06:16	> 1 w	0.0602185	0.0482654	0.0286147
MARS	2108-05-29 14:53	927.4	0.0349879	0.0150023	0.0465172
EARTH	2121-02-14 00:13	> 1 w	0.1599537	0.0473212	0.1429982

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
325.46689647	293.27091631	0.00102253	MINIMUM
32.60435199	24.99820529	0.04773524	MINIMUM
1.67310010	342.81335344	0.08139414	SADDLE
179.74965679	159.79300431	0.83322670	SADDLE
359.10341772	159.22389289	1.92443107	SADDLE
179.46681918	339.59781580	2.82955718	MAXIMUM

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MOID Plots

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