Asteroids

2026AX1 help

Last update: 2026-01-17 13:01 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.682

Aphelion (Q)

1.261

Eccentricity (e)

0.298

Inclination (i)

24.1

deg

Orbit period (P)

349.8

Earth MOID

0.01006

U parameter

7.1

Next Earth close approach

Date

2049-01-14

Nominal distance (from Earth center)

0.10181

15230898

Maximum Brightness

22.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.1

mag

Diameter

25 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-01-10

Observatory

PASTIS Observatory, Banon

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.971650

1-sigma variation

0.000142

Unit

Eccentricity (e)

Value

0.298262

1-sigma variation

0.000171

Unit

Inclination (i)

Value

24.0641

1-sigma variation

0.0173

Unit

Long. of Ascending Node (Ω)

Value

292.0162

1-sigma variation

0.0008

Unit

Arg. of Perihelion (ω)

Value

292.0081

1-sigma variation

0.0179

Unit

Mean Anomaly (M)

Value

226.75407

1-sigma variation

0.05265

Unit

Perihelion distance

Value

0.681844

1-sigma variation

Unit

Aphelion distance

Value

1.261456

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.221609

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.012730

1-sigma variation

Unit

MOID

Value

0.010055

1-sigma variation

Unit

Orbit Period

Value

349.8349

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.01762E-8	2.43213E-8	2.45390E-6	-1.15299E-7	-2.54380E-6	7.47906E-6
e	2.43213E-8	2.93212E-8	2.95836E-6	-1.39002E-7	-3.06625E-6	9.01582E-6
i	2.45390E-6	2.95836E-6	2.98486E-4	-1.40248E-5	-3.09369E-4	9.09650E-4
Ω	-1.15299E-7	-1.39002E-7	-1.40248E-5	6.58976E-7	1.45359E-5	-4.27408E-5
ω	-2.54380E-6	-3.06625E-6	-3.09369E-4	1.45359E-5	3.20729E-4	-9.42945E-4
M	7.47906E-6	9.01582E-6	9.09650E-4	-4.27408E-5	-9.42945E-4	2.77241E-3

Date of computation: 2026-01-17 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

25.117

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

25 - 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

0.766993

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-01-10.907801

Unit

Source

[2]

Last Observation

Value

2026-01-17.093341

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

85 (4)

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

Computation parameters

As seen from:

Initial Date: *

Final Date: *

Output option:

One line per time step

Time step:*

* - these fields are required

Close Approaches for 2026AX1 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	1958-01-14 09:24	1102.6	0.0646531	0.0103375	0.0532188
EARTH	1959-01-07 12:05	> 1 d	0.1952661	0.0459615	0.0498944
VENUS	1966-12-15 19:02	910.3	0.0483547	0.0483500	0.0000752
EARTH	1976-07-30 14:43	1013.8	0.1885199	0.1885116	0.0000464
EARTH	1981-01-11 17:31	726.5	0.0503329	0.0101060	0.0176393
EARTH	2003-01-15 02:52	405.0	0.0892384	0.0124167	0.0277274
EARTH	2004-01-08 23:06	1244.6	0.1672217	0.0855358	0.0272784
EARTH	2026-01-13 21:04	< 1 s	0.0244911	0.0244410	0.0000167
EARTH	2049-01-14 19:30	344.0	0.0958204	0.0173321	0.0274524
EARTH	2050-01-09 01:20	1251.1	0.1539156	0.0699121	0.0280823
EARTH	2068-07-27 23:23	> 1 d	0.1887579	0.1883419	0.0014808
EARTH	2072-01-15 03:09	537.8	0.1966983	0.1363528	0.0201959
EARTH	2073-01-12 00:04	781.2	0.0522768	0.0107123	0.0200645
EARTH	2091-08-02 04:02	> 1 d	0.1906287	0.1896126	0.0024395
EARTH	2096-01-13 21:35	1123.7	0.0151210	0.0113216	0.0217001
EARTH	2118-01-15 19:37	> 1 d	0.0622014	0.0116769	0.1190594
EARTH	2119-01-09 00:46	> 1 d	0.1987050	0.0107163	0.1182339

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
266.01527971	11.32333486	0.01005666	MINIMUM
66.97413188	205.86645443	0.18977875	MINIMUM
349.28027287	107.35669865	0.46899118	SADDLE
163.97030892	292.63721363	0.52408143	SADDLE
357.95905450	300.27078731	1.64239662	SADDLE
188.24730935	131.64206648	2.23282908	MAXIMUM

Download:

MOID Plots

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