Asteroids

2026QX1 help

Last update: 2026-08-24 13:15 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Amor

Perihelion (q)

1.018

Aphelion (Q)

1.448

Eccentricity (e)

0.174

Inclination (i)

4.1

deg

Orbit period (P)

499.9

Earth MOID

0.00720

U parameter

7.5

Next Earth close approach

Date

2049-09-26

Nominal distance (from Earth center)

0.10026

14999321

Maximum Brightness

25.4

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

2026-08-23

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

1.232647

1-sigma variation

0.000422

Unit

Eccentricity (e)

Value

0.174478

1-sigma variation

0.000278

Unit

Inclination (i)

Value

4.1331

1-sigma variation

0.0095

Unit

Long. of Ascending Node (Ω)

Value

152.1573

1-sigma variation

0.0023

Unit

Arg. of Perihelion (ω)

Value

186.1348

1-sigma variation

0.0496

Unit

Mean Anomaly (M)

Value

300.11928

1-sigma variation

0.03952

Unit

Perihelion distance

Value

1.017577

1-sigma variation

Unit

Aphelion distance

Value

1.447716

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.457154

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.007215

1-sigma variation

Unit

MOID

Value

0.007205

1-sigma variation

Unit

Orbit Period

Value

499.8692

1-sigma variation

Unit

U parameter

Value

7.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.77692E-7	1.17220E-7	3.19655E-6	-6.91997E-7	5.61328E-6	9.97103E-6
e	1.17220E-7	7.73927E-8	2.15470E-6	-4.69347E-7	4.08792E-6	6.32241E-6
i	3.19655E-6	2.15470E-6	9.00614E-5	-2.15430E-5	3.73314E-4	-1.22913E-6
Ω	-6.91997E-7	-4.69347E-7	-2.15430E-5	5.23568E-6	-9.79350E-5	1.16185E-5
ω	5.61328E-6	4.08792E-6	3.73314E-4	-9.79350E-5	2.45624E-3	-1.19632E-3
M	9.97103E-6	6.32241E-6	-1.22913E-6	1.16185E-5	-1.19632E-3	1.56176E-3

Date of computation: 2026-08-24 13:15 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

27.691

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

[-]

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

0.7

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.48527

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-08-23.311525

Unit

Source

[2]

Last Observation

Value

2026-08-23.989348

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

13 (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 2026QX1 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	1960-08-15 15:06	> 1 mo	0.0212396	0.0024589	0.6968411
EARTH	1971-09-23 03:19	> 1 mo	0.0841031	0.0169664	1.9033328
EARTH	2000-08-17 07:27	> 1 w	0.0179971	0.0042641	0.0499981
EARTH	2026-08-22 13:08	9.0	0.0096614	0.0096003	0.0000204
EARTH	2049-09-26 21:07	> 1 w	0.1002643	0.0247459	0.0644568
EARTH	2068-08-25 16:45	> 1 w	0.0073937	0.0072291	0.0063209
EARTH	2087-10-03 03:11	> 1 mo	0.1217388	0.0319284	9.7101342
EARTH	2102-08-02 17:23	> 1 mo	0.0801477	0.0118702	4.5318511
EARTH	2121-08-11 15:19	> 1 mo	0.0382766	0.0011788	15.4799584

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
355.05190901	228.69467967	0.00720471	MINIMUM
177.38388906	51.17108704	0.45783141	SADDLE
356.02349462	49.84688209	2.00736396	SADDLE
177.04275414	230.87711461	2.45797573	MAXIMUM

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MOID Plots

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