Asteroids

2026UQ help

Last update: 2026-10-23 13:18 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Aten

Perihelion (q)

0.586

Aphelion (Q)

1.013

Eccentricity (e)

0.267

Inclination (i)

6.1

deg

Orbit period (P)

261.0

Earth MOID

0.01494

U parameter

7.4

Next Earth close approach

Date

2031-10-15

Nominal distance (from Earth center)

0.01654

2473951

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.7

mag

Diameter

8 - 17*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-19

Observatory

GINOP-KHK, Piszkesteto

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

0.799315

1-sigma variation

0.000133

Unit

Eccentricity (e)

Value

0.267127

1-sigma variation

0.000228

Unit

Inclination (i)

Value

6.0584

1-sigma variation

0.0068

Unit

Long. of Ascending Node (Ω)

Value

24.4734

1-sigma variation

0.0005

Unit

Arg. of Perihelion (ω)

Value

174.5122

1-sigma variation

0.0031

Unit

Mean Anomaly (M)

Value

284.44352

1-sigma variation

0.02222

Unit

Perihelion distance

Value

0.585797

1-sigma variation

Unit

Aphelion distance

Value

1.012833

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.015419

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.415693

1-sigma variation

Unit

MOID

Value

0.014940

1-sigma variation

Unit

Orbit Period

Value

261.0209

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.77650E-8	-3.04176E-8	-9.05832E-7	-7.23038E-8	-4.13502E-7	-2.96018E-6
e	-3.04176E-8	5.20821E-8	1.55098E-6	1.23790E-7	7.07774E-7	5.06890E-6
i	-9.05832E-7	1.55098E-6	4.61907E-5	3.68761E-6	2.10924E-5	1.50924E-4
Ω	-7.23038E-8	1.23790E-7	3.68761E-6	2.94755E-7	1.68990E-6	1.20355E-5
ω	-4.13502E-7	7.07774E-7	2.10924E-5	1.68990E-6	9.79125E-6	6.86094E-5
M	-2.96018E-6	5.06890E-6	1.50924E-4	1.20355E-5	6.86094E-5	4.93769E-4

Date of computation: 2026-10-23 13:18 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

27.745

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

8 - 17*

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

[-]

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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

0.598916

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-19.321815

Unit

Source

[2]

Last Observation

Value

2026-10-22.892248

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

49 (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

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 2026UQ 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	1953-09-21 23:20	> 1 d	0.1393237	0.0434754	0.1563901
EARTH	1958-09-26 05:44	> 1 w	0.0647952	0.0341535	0.1315226
EARTH	1963-10-07 08:35	> 1 w	0.0276845	0.0217013	0.0449314
EARTH	1968-10-14 04:04	> 1 w	0.0182572	0.0163773	0.0120475
VENUS	1969-10-03 12:25	> 1 d	0.0489840	0.0474723	0.0122362
EARTH	1973-10-13 17:12	> 1 d	0.0186913	0.0164746	0.0058899
EARTH	1978-10-05 01:54	1271.5	0.0311204	0.0268407	0.0016646
EARTH	1983-09-24 13:17	1321.3	0.0783957	0.0467164	0.0119250
EARTH	1988-09-21 01:59	100.8	0.1585867	0.0788952	0.0279901
EARTH	2011-11-09 04:15	1053.6	0.1105428	0.0339937	0.0413858
EARTH	2016-11-02 01:13	> 1 d	0.0374588	0.0213751	0.0187377
EARTH	2021-10-23 06:49	> 1 d	0.0153400	0.0148289	0.0010943
EARTH	2026-10-19 21:56	< 1 min	0.0142669	0.0142267	0.0000134
EARTH	2031-10-15 03:57	> 1 d	0.0165373	0.0154422	0.0014621
EARTH	2036-10-03 21:56	> 1 d	0.0293778	0.0228190	0.0084860
EARTH	2041-09-22 13:38	> 1 d	0.0787285	0.0381174	0.0264631
EARTH	2046-09-20 04:27	401.5	0.1718980	0.0742145	0.0348189
EARTH	2064-11-06 10:18	674.5	0.0824995	0.0491764	0.0117186
EARTH	2069-10-18 05:02	420.0	0.0155143	0.0145633	0.0003291
EARTH	2074-09-21 21:11	> 1 d	0.0781718	0.0462221	0.0120612
EARTH	2087-11-07 16:57	604.9	0.1891379	0.0683290	0.0421847
EARTH	2092-10-30 02:27	> 1 w	0.0312071	0.0208599	0.0258246
EARTH	2097-09-28 13:28	> 1 d	0.0393501	0.0280707	0.0164272
EARTH	2102-09-20 04:19	283.9	0.1787199	0.1400332	0.0131057
EARTH	2115-11-07 16:50	> 1 d	0.0822756	0.0323482	0.0283941
EARTH	2120-10-12 12:27	> 1 w	0.0189805	0.0178119	0.0077498
EARTH	2125-09-20 00:38	934.4	0.1208345	0.0432505	0.0655100

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
190.63021325	284.97476303	0.01493983	MINIMUM
5.64819891	101.92295974	0.41567568	SADDLE
5.46989218	281.69860791	1.58237325	SADDLE
183.24235612	99.39890130	2.01396837	MAXIMUM

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MOID Plots

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