Asteroids

2026JX2 help

Last update: 2026-05-14 13:30 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.694

Aphelion (Q)

1.813

Eccentricity (e)

0.446

Inclination (i)

2.7

deg

Orbit period (P)

512.7

Earth MOID

0.00065

U parameter

6.2

Next Earth close approach

Date

2030-11-21

Nominal distance (from Earth center)

0.13012

19466280

Maximum Brightness

27.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.6

mag

Diameter

5 - 11*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-05-12

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

1.253729

1-sigma variation

0.000060

Unit

Eccentricity (e)

Value

0.446112

1-sigma variation

0.000044

Unit

Inclination (i)

Value

2.6625

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

230.8060

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

92.7454

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

337.10130

1-sigma variation

0.00320

Unit

Perihelion distance

Value

0.694426

1-sigma variation

Unit

Aphelion distance

Value

1.813033

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.015590

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.006279

1-sigma variation

Unit

MOID

Value

0.000645

1-sigma variation

Unit

Orbit Period

Value

512.7482

1-sigma variation

Unit

U parameter

Value

6.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.62895E-9	2.64299E-9	2.23043E-8	5.84501E-9	-4.32803E-9	1.92860E-7
e	2.64299E-9	1.92532E-9	1.62528E-8	4.25975E-9	-3.09822E-9	1.40462E-7
i	2.23043E-8	1.62528E-8	1.37903E-7	3.63391E-8	-2.58479E-8	1.18537E-6
Ω	5.84501E-9	4.25975E-9	3.63391E-8	9.65099E-9	-6.81817E-9	3.10636E-7
ω	-4.32803E-9	-3.09822E-9	-2.58479E-8	-6.81817E-9	1.25723E-8	-2.29929E-7
M	1.92860E-7	1.40462E-7	1.18537E-6	3.10636E-7	-2.29929E-7	1.02495E-5

Date of computation: 2026-05-14 13:30 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

28.647

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

5 - 11*

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

0.607796

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-05-12.279483

Unit

Source

[2]

Last Observation

Value

2026-05-13.947545

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

31 (2)

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

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 2026JX2 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	1962-11-20 10:10	1070.9	0.0979475	0.0495371	0.0161381
EARTH	1965-05-05 10:07	747.0	0.1468903	0.1104490	0.0121471
EARTH	1980-11-16 19:09	546.7	0.0337757	0.0128172	0.0069947
EARTH	1983-05-05 00:24	331.2	0.1728843	0.1570519	0.0052775
EARTH	2001-05-16 22:08	723.6	0.0558597	0.0329557	0.0076357
EARTH	2005-11-08 09:43	875.9	0.1033170	0.0802182	0.0077003
EARTH	2023-11-25 18:50	82.8	0.1979278	0.1938547	0.0013577
EARTH	2026-05-13 21:49	< 1 s	0.0016679	0.0016675	0.0000002
EARTH	2030-11-21 00:37	121.9	0.1301240	0.1246093	0.0018383
EARTH	2033-05-23 01:52	411.0	0.1262840	0.1173411	0.0029810
EARTH	2082-11-03 02:37	> 1 d	0.1438037	0.0961350	0.0158937
EARTH	2085-05-06 05:07	983.2	0.1503530	0.1050623	0.0150975
EARTH	2089-11-12 12:14	1103.0	0.0348858	0.0018697	0.0122303
EARTH	2092-05-09 23:18	94.0	0.0680606	0.0598943	0.0027222
EARTH	2096-11-14 02:03	1157.4	0.0066293	0.0019773	0.0137992
EARTH	2099-05-05 10:08	> 1 w	0.1574777	0.0022989	0.1838681
EARTH	2121-11-25 01:52	> 1 mo	0.1829568	0.0035043	1.7256695
EARTH	2124-05-15 04:45	> 1 mo	0.0218107	0.0024299	1.9281566

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
61.84763058	308.03600366	0.00064548	MINIMUM
295.77766731	127.59334421	0.00153711	MINIMUM
358.29770829	217.23643153	0.32117498	SADDLE
179.34180691	38.41436307	0.82823654	SADDLE
358.34810676	37.29698436	1.68101228	SADDLE
179.33780162	218.40340173	2.82545119	MAXIMUM

Download:

MOID Plots

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