Asteroids

2026MX3 help

Last update: 2026-06-27 06:30 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Amor

Perihelion (q)

1.034

Aphelion (Q)

1.189

Eccentricity (e)

0.070

Inclination (i)

25.0

deg

Orbit period (P)

428.2

Earth MOID

0.02910

U parameter

8.2

Next Earth close approach

Date

2033-07-01

Nominal distance (from Earth center)

0.15856

23720731

Maximum Brightness

24.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.8

mag

Diameter

18 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-06-25

Observatory

Kitt Peak-Bok

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

1.111775

1-sigma variation

0.001015

Unit

Eccentricity (e)

Value

0.069850

1-sigma variation

0.000717

Unit

Inclination (i)

Value

24.9707

1-sigma variation

0.0669

Unit

Long. of Ascending Node (Ω)

Value

95.6251

1-sigma variation

0.0030

Unit

Arg. of Perihelion (ω)

Value

214.1149

1-sigma variation

0.2649

Unit

Mean Anomaly (M)

Value

315.50665

1-sigma variation

0.29728

Unit

Perihelion distance

Value

1.034117

1-sigma variation

Unit

Aphelion distance

Value

1.189433

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.190561

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.029228

1-sigma variation

Unit

MOID

Value

0.029099

1-sigma variation

Unit

Orbit Period

Value

428.1774

1-sigma variation

Unit

U parameter

Value

8.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.02974E-6	7.27600E-7	6.78344E-5	3.06920E-6	-2.68224E-4	3.01279E-4
e	7.27600E-7	5.14218E-7	4.79523E-5	2.16943E-6	-1.89344E-4	2.12726E-4
i	6.78344E-5	4.79523E-5	4.47329E-3	2.02354E-4	-1.76321E-2	1.98150E-2
Ω	3.06920E-6	2.16943E-6	2.02354E-4	9.15419E-6	-7.98109E-4	8.96828E-4
ω	-2.68224E-4	-1.89344E-4	-1.76321E-2	-7.98109E-4	7.01773E-2	-7.87416E-2
M	3.01279E-4	2.12726E-4	1.98150E-2	8.96828E-4	-7.87416E-2	8.83736E-2

Date of computation: 2026-06-27 06:30 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

25.817

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

18 - 40*

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

0.75044

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-06-25.389697

Unit

Source

[2]

Last Observation

Value

2026-06-27.056339

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (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 2026MX3 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	1951-12-25 10:24	> 1 mo	0.1908217	0.1907909	0.0153596
EARTH	1958-06-25 00:44	> 1 mo	0.0993316	0.0285101	1.6613518
EARTH	1965-06-30 22:24	> 1 mo	0.1243567	0.0283720	1.5785812
EARTH	1992-06-27 01:21	> 1 w	0.0313678	0.0290686	0.0936542
EARTH	1999-07-03 09:36	> 1 d	0.1935672	0.0280125	0.2095173
EARTH	2026-06-27 09:59	< 1 min	0.0349137	0.0346171	0.0000989
EARTH	2033-07-01 23:46	> 1 d	0.1585633	0.0280410	0.0575719
EARTH	2053-12-25 11:38	> 1 w	0.1888944	0.1887293	0.0074109
EARTH	2060-06-23 08:04	> 1 d	0.1470502	0.0281174	0.2414450
EARTH	2067-06-29 02:47	> 1 w	0.0411038	0.0292755	0.1900790
EARTH	2087-12-28 10:56	> 1 w	0.1979082	0.1919406	0.0751484
EARTH	2094-06-22 20:28	> 1 w	0.1808258	0.0277162	0.3249718
EARTH	2101-06-29 12:34	> 1 w	0.0374817	0.0294105	0.1967112
EARTH	2121-12-26 05:51	> 1 w	0.1899833	0.1899536	0.0049906

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
328.39886760	171.39982811	0.02909915	MINIMUM
140.50319194	348.74840104	0.18926204	MINIMUM
55.01846795	264.94380615	0.45135775	SADDLE
234.58762197	75.38361494	0.48971373	SADDLE
24.42975341	49.73808305	1.99469882	SADDLE
160.56775875	185.68458260	2.19806092	MAXIMUM

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MOID Plots

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