Asteroids

2026MX1 help

Last update: 2026-06-23 13:01 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.948

Aphelion (Q)

3.754

Eccentricity (e)

0.597

Inclination (i)

0.7

deg

Orbit period (P)

1316.7

Earth MOID

0.00011

U parameter

6.8

Next Earth close approach

Date

2065-07-09

Nominal distance (from Earth center)

0.03449

5160309

Maximum Brightness

30.1

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

28.2

mag

Diameter

6 - 14*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-06-22

Observatory

University of Arizona Mt. Lemmon Survey

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

2.351031

1-sigma variation

0.000640

Unit

Eccentricity (e)

Value

0.596606

1-sigma variation

0.000113

Unit

Inclination (i)

Value

0.6708

1-sigma variation

0.0001

Unit

Long. of Ascending Node (Ω)

Value

91.2206

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

215.1250

1-sigma variation

0.0004

Unit

Mean Anomaly (M)

Value

348.65758

1-sigma variation

0.00493

Unit

Perihelion distance

Value

0.948393

1-sigma variation

Unit

Aphelion distance

Value

3.753670

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.964603

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.002296

1-sigma variation

Unit

MOID

Value

0.000114

1-sigma variation

Unit

Orbit Period

Value

1316.6976

1-sigma variation

Unit

U parameter

Value

6.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.09950E-7	7.26339E-8	5.24195E-8	-5.31030E-8	9.72104E-8	3.15894E-6
e	7.26339E-8	1.28693E-8	9.29730E-9	-9.42088E-9	1.73837E-8	5.59664E-7
i	5.24195E-8	9.29730E-9	7.41448E-9	-7.48819E-9	1.90881E-8	4.02799E-7
Ω	-5.31030E-8	-9.42088E-9	-7.48819E-9	7.80390E-9	-2.09889E-8	-4.07780E-7
ω	9.72104E-8	1.73837E-8	1.90881E-8	-2.09889E-8	1.29298E-7	7.30569E-7
M	3.15894E-6	5.59664E-7	4.02799E-7	-4.07780E-7	7.30569E-7	2.43449E-5

Date of computation: 2026-06-23 13:01 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

28.174

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

6 - 14*

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

1.0

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.313256

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-06-22.198795

Unit

Source

[2]

Last Observation

Value

2026-06-23.18554

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 2026MX1 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	1961-07-17 10:59	> 1 d	0.0505105	0.0436375	0.0022918
EARTH	1979-09-15 17:52	> 1 w	0.1064776	0.0113323	0.0823514
EARTH	2026-06-23 13:36	< 1 min	0.0010683	0.0010678	0.0000002
MARS	2061-05-15 12:35	> 1 d	0.0259125	0.0024231	0.0628252
EARTH	2065-07-09 05:04	> 1 w	0.0344945	0.0002338	0.0282128
MARS	2069-09-12 18:29	452.7	0.0340999	0.0116540	0.0078284
1 Ceres	2081-12-03 13:00	> 1 d	0.0110999	0.0076038	0.0920094
EARTH	2120-09-03 04:00	> 1 mo	0.0933226	0.0084762	0.6439183
EARTH	2124-07-20 06:24	> 1 mo	0.0071486	0.0030588	0.0913041

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
342.08264819	166.90024663	0.00011401	MINIMUM
16.94719504	235.74376281	0.01095462	MINIMUM
359.57044664	201.45578020	0.06757340	SADDLE
359.51720624	21.33652049	1.93304509	SADDLE
179.87671238	21.78122404	2.76901341	SADDLE
179.86999813	201.77495301	4.76928102	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out

Level lines of the squared distance function

2026MX1

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2065-06-26.482	75462.482	-0.106	0.000	1.18 ± 0.025	6.82E4	1.10E-5	2.06E-2	-6.39	0


Based on 22 optical observations (of which 0 are rejected as outliers) from 2026/06/22.199 to 2026/06/22.754.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.48 and 1.48 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260622 194955.222 UTC.

Download this part as:

Download Impactor Table as: