Asteroids

2026TQ help

Last update: 2026-10-06 07:17 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.854

Aphelion (Q)

1.212

Eccentricity (e)

0.173

Inclination (i)

11.3

deg

Orbit period (P)

383.4

Earth MOID

0.01636

U parameter

7.3

Next Earth close approach

Date

2045-03-25

Nominal distance (from Earth center)

0.01852

2769806

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

11 - 24*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-02

Observatory

Pan-STARRS 2, Haleakala

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

1.032931

1-sigma variation

0.000207

Unit

Eccentricity (e)

Value

0.173330

1-sigma variation

0.000335

Unit

Inclination (i)

Value

11.3199

1-sigma variation

0.0209

Unit

Long. of Ascending Node (Ω)

Value

8.5803

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

260.9565

1-sigma variation

0.0275

Unit

Mean Anomaly (M)

Value

158.44063

1-sigma variation

0.09043

Unit

Perihelion distance

Value

0.853893

1-sigma variation

Unit

Aphelion distance

Value

1.211968

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.029810

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.022308

1-sigma variation

Unit

MOID

Value

0.016365

1-sigma variation

Unit

Orbit Period

Value

383.4468

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.30112E-8	6.92168E-8	4.33578E-6	-1.27492E-7	5.69224E-6	-1.87529E-5
e	6.92168E-8	1.11986E-7	6.98671E-6	-2.05223E-7	9.12041E-6	-3.02076E-5
i	4.33578E-6	6.98671E-6	4.37250E-4	-1.28538E-5	5.73163E-4	-1.89082E-3
Ω	-1.27492E-7	-2.05223E-7	-1.28538E-5	3.77970E-7	-1.68681E-5	5.55881E-5
ω	5.69224E-6	9.12041E-6	5.73163E-4	-1.68681E-5	7.56032E-4	-2.47990E-3
M	-1.87529E-5	-3.02076E-5	-1.89082E-3	5.55881E-5	-2.47990E-3	8.17771E-3

Date of computation: 2026-10-06 07:17 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

26.993

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

11 - 24*

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

0.545829

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-02.383831

Unit

Source

[2]

Last Observation

Value

2026-10-04.82998

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

21 (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 2026TQ 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	1957-03-27 06:00	> 1 w	0.0260617	0.0178695	0.2263822
EARTH	1959-09-28 07:46	> 1 d	0.0326985	0.0177515	0.2652325
EARTH	1979-03-18 21:25	> 1 w	0.1407779	0.0220600	0.2746798
EARTH	1980-04-10 19:44	> 1 mo	0.1462502	0.0439921	0.2837081
EARTH	1982-09-30 15:17	> 1 w	0.0785674	0.0172977	0.3367700
EARTH	2002-03-28 05:10	> 1 d	0.0354863	0.0165434	0.0972826
EARTH	2004-09-27 15:26	939.9	0.0202838	0.0191301	0.0114477
EARTH	2024-03-27 01:28	297.4	0.0283596	0.0212733	0.0026706
EARTH	2026-09-27 23:51	< 1 min	0.0206316	0.0205176	0.0000380
EARTH	2045-03-25 14:19	> 1 d	0.0185150	0.0164772	0.0162251
EARTH	2047-09-27 20:56	247.2	0.0460530	0.0209248	0.0884716
EARTH	2067-03-20 07:38	> 1 w	0.1156035	0.0200861	0.3395686
EARTH	2068-04-18 22:29	> 1 mo	0.1713373	0.0659591	0.3026127
EARTH	2069-10-04 17:27	> 1 mo	0.1654189	0.0454898	0.3142685
EARTH	2070-10-01 16:51	> 1 w	0.1209265	0.0175312	0.3262319
EARTH	2090-03-29 08:32	> 1 w	0.0506019	0.0198111	0.0960087
EARTH	2092-09-27 22:16	> 1 d	0.0237793	0.0195608	0.0667145
EARTH	2111-03-26 23:37	> 1 mo	0.0213882	0.0144297	0.5017932
EARTH	2113-09-28 10:38	> 1 d	0.0571921	0.0161643	0.5152060

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
285.58275607	81.46976621	0.01636465	MINIMUM
84.69685597	262.26538427	0.02121758	MINIMUM
5.32735830	172.73307898	0.24362267	SADDLE
184.91686295	350.73292569	0.31293801	SADDLE
1.99451967	348.61569422	1.82880648	SADDLE
180.11038189	166.67806053	2.21599777	MAXIMUM

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MOID Plots

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