Asteroids

2026QS help

Last update: 2026-08-20 19:15 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.928

Aphelion (Q)

2.011

Eccentricity (e)

0.368

Inclination (i)

6.3

deg

Orbit period (P)

650.7

Earth MOID

0.02998

U parameter

8.0

Next Earth close approach

Date

2042-08-23

Nominal distance (from Earth center)

0.08714

13036523

Maximum Brightness

21.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.3

mag

Diameter

40 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-08-19

Observatory

MAPS, San Pedro de Atacama

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

1.469584

1-sigma variation

0.001394

Unit

Eccentricity (e)

Value

0.368462

1-sigma variation

0.000676

Unit

Inclination (i)

Value

6.2580

1-sigma variation

0.0091

Unit

Long. of Ascending Node (Ω)

Value

336.7244

1-sigma variation

0.0032

Unit

Arg. of Perihelion (ω)

Value

296.0924

1-sigma variation

0.0026

Unit

Mean Anomaly (M)

Value

346.24939

1-sigma variation

0.01205

Unit

Perihelion distance

Value

0.928098

1-sigma variation

Unit

Aphelion distance

Value

2.011070

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.082715

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.525966

1-sigma variation

Unit

MOID

Value

0.029984

1-sigma variation

Unit

Orbit Period

Value

650.7137

1-sigma variation

Unit

U parameter

Value

8.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.94457E-6	9.42445E-7	1.24884E-5	4.22487E-6	-1.18405E-6	1.66845E-5
e	9.42445E-7	4.56821E-7	6.06567E-6	2.04073E-6	-5.93015E-7	8.09751E-6
i	1.24884E-5	6.06567E-6	8.32444E-5	2.54923E-5	-1.16474E-5	1.09646E-4
Ω	4.22487E-6	2.04073E-6	2.54923E-5	1.00878E-5	-4.88383E-7	3.49335E-5
ω	-1.18405E-6	-5.93015E-7	-1.16474E-5	-4.88383E-7	6.78434E-6	-1.36946E-5
M	1.66845E-5	8.09751E-6	1.09646E-4	3.49335E-5	-1.36946E-5	1.45269E-4

Date of computation: 2026-08-20 19:15 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

24.336

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

40 - 80*

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

0.423807

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-08-17.401122

Unit

Source

[2]

Last Observation

Value

2026-08-20.436446

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

26 (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 2026QS 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	1953-05-09 03:37	> 1 w	0.1064735	0.1018354	0.0255945
EARTH	1969-08-02 11:38	> 1 mo	0.0737948	0.0248548	0.1272210
EARTH	1985-08-25 01:04	> 1 w	0.1191056	0.0273326	0.2871358
EARTH	1994-04-26 20:48	> 1 w	0.1249291	0.1022146	0.1416456
EARTH	2010-06-11 20:33	> 1 mo	0.1316069	0.1288951	0.0088546
EARTH	2026-08-11 22:29	< 1 min	0.0398091	0.0396286	0.0000602
EARTH	2042-08-23 07:53	> 1 w	0.0871438	0.0275865	0.1296626
EARTH	2051-04-23 07:24	> 1 w	0.1682956	0.1027026	0.1028266
EARTH	2067-05-11 15:55	> 1 w	0.1088838	0.1040071	0.0181277
EARTH	2083-07-08 07:07	> 1 w	0.1214051	0.0889298	0.0112438
EARTH	2099-08-15 16:01	> 1 d	0.0291260	0.0287715	0.0024982
MARS	2107-12-20 02:41	> 1 d	0.0267335	0.0134339	0.0765073
EARTH	2115-08-29 04:11	> 1 w	0.1406060	0.0233718	0.1880932
EARTH	2124-04-27 03:12	> 1 w	0.1395298	0.1045649	0.1416284

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
34.82646800	218.64346112	0.02998356	MINIMUM
325.79807988	118.73292263	0.10319856	MINIMUM
354.52610724	160.10853059	0.13216315	SADDLE
179.58938590	348.36398859	1.03647243	SADDLE
0.15361996	348.57467588	1.90963771	SADDLE
180.46526650	168.95930688	3.02435180	MAXIMUM

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MOID Plots

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