Asteroids

2026TX help

Last update: 2026-10-08 14:46 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.714

Aphelion (Q)

1.485

Eccentricity (e)

0.351

Inclination (i)

1.9

deg

Orbit period (P)

421.2

Earth MOID

0.00296

U parameter

7.1

Next Earth close approach

Date

2028-04-11

Nominal distance (from Earth center)

0.08585

12842731

Maximum Brightness

25.5

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

2026-10-03

Observatory

Pan-STARRS 2, Haleakala

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

61400.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.099608

1-sigma variation

0.000175

Unit

Eccentricity (e)

Value

0.350618

1-sigma variation

0.000214

Unit

Inclination (i)

Value

1.8943

1-sigma variation

0.0014

Unit

Long. of Ascending Node (Ω)

Value

189.5663

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

280.8246

1-sigma variation

0.0021

Unit

Mean Anomaly (M)

Value

11.98107

1-sigma variation

0.00958

Unit

Perihelion distance

Value

0.714066

1-sigma variation

Unit

Aphelion distance

Value

1.485150

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.092666

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.032010

1-sigma variation

Unit

MOID

Value

0.002955

1-sigma variation

Unit

Orbit Period

Value

421.1679

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.06300E-8	3.74314E-8	2.42925E-7	6.99486E-8	-3.69923E-7	1.67713E-6
e	3.74314E-8	4.57482E-8	2.96856E-7	8.54465E-8	-4.51496E-7	2.04963E-6
i	2.42925E-7	2.96856E-7	1.92685E-6	5.55118E-7	-2.93537E-6	1.33010E-5
Ω	6.99486E-8	8.54465E-8	5.55118E-7	1.60515E-7	-8.49153E-7	3.82935E-6
ω	-3.69923E-7	-4.51496E-7	-2.93537E-6	-8.49153E-7	4.53197E-6	-2.02444E-5
M	1.67713E-6	2.04963E-6	1.33010E-5	3.82935E-6	-2.02444E-5	9.18317E-5

Date of computation: 2026-10-08 14:46 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

27.733

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

[-]

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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

0.708868

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-03.360883

Unit

Source

[2]

Last Observation

Value

2026-10-07.491828

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (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 2026TX 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	1962-10-08 07:20	> 1 d	0.0159597	0.0010891	0.0598485
EARTH	1964-04-14 05:36	> 1 d	0.0096668	0.0075935	0.0148121
EARTH	1969-10-05 18:09	748.6	0.0436243	0.0200887	0.0078637
EARTH	1971-04-13 08:31	1131.8	0.0292779	0.0081058	0.0125812
EARTH	1976-09-29 03:28	778.4	0.1684235	0.1300265	0.0127994
EARTH	1978-03-22 09:59	> 1 d	0.1637969	0.1335485	0.0101009
EARTH	2019-10-16 10:50	1261.0	0.1154773	0.0865840	0.0096312
EARTH	2021-04-20 16:43	573.3	0.1180309	0.0918451	0.0087359
EARTH	2026-10-08 00:16	< 1 s	0.0056284	0.0056175	0.0000036
VENUS	2026-12-02 19:50	101.3	0.0387990	0.0385643	0.0000783
EARTH	2028-04-11 07:11	121.0	0.0858484	0.0820098	0.0012800
EARTH	2041-09-29 03:07	724.8	0.1827974	0.1459025	0.0122987
EARTH	2049-10-21 15:20	> 1 d	0.1487510	0.1234271	0.0084414
EARTH	2051-04-20 05:36	555.7	0.0548499	0.0339715	0.0070295
EARTH	2064-10-08 18:53	1112.8	0.0135757	0.0033906	0.0135926
EARTH	2066-04-14 20:04	383.9	0.0299261	0.0088739	0.0170548
EARTH	2079-11-08 14:27	> 1 mo	0.1809613	0.0078311	0.1606408
EARTH	2081-04-22 19:47	> 1 w	0.1326247	0.0103602	0.2349362
VENUS	2091-07-01 23:24	> 1 mo	0.0319582	0.0318632	0.0135666
EARTH	2101-10-05 21:07	> 1 mo	0.0679195	0.0037717	0.9557653
EARTH	2103-04-08 12:14	> 1 mo	0.1269067	0.0123578	0.9069421
EARTH	2116-10-11 18:26	> 1 w	0.0495928	0.0044913	0.2947909
EARTH	2118-04-17 13:49	> 1 w	0.0104680	0.0104218	0.0126001

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
285.17844360	272.72744739	0.00295536	MINIMUM
75.28592346	102.62770783	0.00961503	MINIMUM
0.33623356	7.75436805	0.27073756	SADDLE
180.15317656	187.62682969	0.47198859	SADDLE
0.45641600	187.91869789	1.72868344	SADDLE
180.22703259	7.67602354	2.46827663	MAXIMUM

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MOID Plots

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