Asteroids

2026QA help

Last update: 2026-08-19 13:30 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.634

Aphelion (Q)

1.811

Eccentricity (e)

0.481

Inclination (i)

9.7

deg

Orbit period (P)

493.8

Earth MOID

0.03632

U parameter

8.6

Next Earth close approach

Date

2026-08-22

Nominal distance (from Earth center)

0.03756

5619109

Maximum Brightness

20.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.9

mag

Diameter

28 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-08-16

Observatory

JPL SynTrack Robotic Telescope, Auberry

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.222645

1-sigma variation

0.002033

Unit

Eccentricity (e)

Value

0.481401

1-sigma variation

0.001371

Unit

Inclination (i)

Value

9.6736

1-sigma variation

0.0332

Unit

Long. of Ascending Node (Ω)

Value

317.5593

1-sigma variation

0.0074

Unit

Arg. of Perihelion (ω)

Value

111.4524

1-sigma variation

0.0228

Unit

Mean Anomaly (M)

Value

261.86005

1-sigma variation

0.30325

Unit

Perihelion distance

Value

0.634063

1-sigma variation

Unit

Aphelion distance

Value

1.811228

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.125943

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.187439

1-sigma variation

Unit

MOID

Value

0.036320

1-sigma variation

Unit

Orbit Period

Value

493.7979

1-sigma variation

Unit

U parameter

Value

8.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.13311E-6	2.78778E-6	6.75017E-5	1.50454E-5	-4.62047E-5	6.16502E-4
e	2.78778E-6	1.88062E-6	4.55187E-5	1.01397E-5	-3.11280E-5	4.15837E-4
i	6.75017E-5	4.55187E-5	1.10294E-3	2.46100E-4	-7.56139E-4	1.00684E-2
Ω	1.50454E-5	1.01397E-5	2.46100E-4	5.50531E-5	-1.69359E-4	2.24398E-3
ω	-4.62047E-5	-3.11280E-5	-7.56139E-4	-1.69359E-4	5.21593E-4	-6.89100E-3
M	6.16502E-4	4.15837E-4	1.00684E-2	2.24398E-3	-6.89100E-3	9.19588E-2

Date of computation: 2026-08-19 13:30 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

24.85

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

28 - 60*

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

0.507555

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-08-16.33942

Unit

Source

[2]

Last Observation

Value

2026-08-18.95448

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (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 2026QA 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	1953-08-14 22:28	> 1 w	0.1571783	0.0328927	0.6595514
EARTH	1970-03-01 12:06	> 1 w	0.0738450	0.0718368	0.0884324
EARTH	1976-08-14 20:00	> 1 w	0.1562115	0.0335512	0.3486391
EARTH	1993-02-26 16:04	> 1 w	0.0921888	0.0730955	0.1943425
EARTH	2003-08-27 21:59	> 1 w	0.1184469	0.0343503	0.2780950
EARTH	2016-02-13 18:08	> 1 w	0.1931799	0.0925739	0.1371343
EARTH	2020-03-11 07:53	> 1 d	0.1753126	0.0765545	0.0957915
EARTH	2026-08-22 04:23	< 1 min	0.0375614	0.0372188	0.0001142
EARTH	2043-03-05 13:23	> 1 w	0.0821780	0.0739711	0.0822950
EARTH	2049-08-18 23:41	> 1 d	0.0887670	0.0363080	0.1132822
EARTH	2066-03-12 18:40	> 1 w	0.1857621	0.0778967	0.2778084
EARTH	2072-08-27 16:11	> 1 w	0.1156287	0.0367169	0.3757809
EARTH	2085-03-05 03:52	> 1 w	0.0818322	0.0748224	0.1750639
EARTH	2091-08-23 04:00	> 1 w	0.0397197	0.0389278	0.0881190
EARTH	2104-02-24 10:16	> 1 mo	0.1354563	0.0793011	1.0575019
MARS	2105-01-22 04:58	> 1 d	0.0416646	0.0415455	0.0673180
EARTH	2110-08-15 16:08	> 1 mo	0.1944998	0.0372986	1.7674122

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
289.87610859	225.37906489	0.03632048	MINIMUM
64.17055306	56.78652858	0.07328990	MINIMUM
355.95893205	318.97540943	0.37509576	SADDLE
178.21993195	143.50525052	0.82563765	SADDLE
357.72912977	141.96394759	1.64264427	SADDLE
179.80394122	324.46833424	2.78987481	MAXIMUM

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MOID Plots

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