Asteroids

2026TS2 help

Last update: 2026-10-07 14:31 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Aten

Perihelion (q)

0.860

Aphelion (Q)

1.099

Eccentricity (e)

0.122

Inclination (i)

5.3

deg

Orbit period (P)

354.1

Earth MOID

0.00351

U parameter

5.3

Next Earth close approach

Date

2027-10-01

Nominal distance (from Earth center)

0.1882

28153807

Maximum Brightness

28.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

4 - 9*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-05

Observatory

TransAstra TKO at SkiesAway

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

0.979609

1-sigma variation

0.000009

Unit

Eccentricity (e)

Value

0.121795

1-sigma variation

0.000049

Unit

Inclination (i)

Value

5.2625

1-sigma variation

0.0031

Unit

Long. of Ascending Node (Ω)

Value

11.1253

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

108.8790

1-sigma variation

0.0031

Unit

Mean Anomaly (M)

Value

348.27704

1-sigma variation

0.00299

Unit

Perihelion distance

Value

0.860298

1-sigma variation

Unit

Aphelion distance

Value

1.098921

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.005338

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.069946

1-sigma variation

Unit

MOID

Value

0.003513

1-sigma variation

Unit

Orbit Period

Value

354.1423

1-sigma variation

Unit

U parameter

Value

5.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.75696E-11	-4.47785E-10	-2.87139E-8	-5.12081E-9	-2.93434E-8	-2.58437E-8
e	-4.47785E-10	2.36131E-9	1.50712E-7	2.68981E-8	1.47956E-7	1.41782E-7
i	-2.87139E-8	1.50712E-7	9.62830E-6	1.71817E-6	9.50815E-6	8.99646E-6
Ω	-5.12081E-9	2.68981E-8	1.71817E-6	3.06623E-7	1.69507E-6	1.60717E-6
ω	-2.93434E-8	1.47956E-7	9.50815E-6	1.69507E-6	9.89373E-6	8.37850E-6
M	-2.58437E-8	1.41782E-7	8.99646E-6	1.60717E-6	8.37850E-6	8.92332E-6

Date of computation: 2026-10-07 14:31 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

29.049

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

4 - 9*

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

0.472252

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-05.273722

Unit

Source

[2]

Last Observation

Value

2026-10-06.774678

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

21 (3)

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 2026TS2 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	1960-05-15 01:39	> 1 d	0.0959104	0.0666773	0.0120961
EARTH	1961-02-19 14:55	> 1 d	0.1428815	0.1410164	0.0008517
EARTH	1961-10-05 23:28	829.3	0.0181597	0.0021853	0.0088595
EARTH	1982-05-19 03:57	463.1	0.1621221	0.1427312	0.0065604
EARTH	1983-03-28 05:04	> 1 d	0.0979082	0.0879566	0.0038227
EARTH	1983-08-09 00:28	> 1 d	0.1177200	0.1107244	0.0025049
EARTH	1983-12-17 02:01	> 1 w	0.1419472	0.1336759	0.0027717
EARTH	1984-10-04 11:03	307.8	0.1110283	0.0861023	0.0083096
EARTH	2005-04-25 07:27	122.2	0.0613004	0.0611357	0.0000549
EARTH	2006-01-24 13:31	130.5	0.1515859	0.1513159	0.0000900
EARTH	2006-10-06 16:32	1.9	0.0252813	0.0244406	0.0002803
EARTH	2025-05-10 02:54	54.8	0.0769414	0.0766873	0.0000854
EARTH	2026-02-11 00:00	166.5	0.1473244	0.1470746	0.0000833
EARTH	2026-10-06 05:24	< 1 min	0.0032559	0.0032516	0.0000014
EARTH	2027-10-01 01:47	2.7	0.1881966	0.1879448	0.0000839
EARTH	2055-05-07 22:19	242.4	0.1072642	0.1004036	0.0023127
EARTH	2056-03-29 02:43	> 1 d	0.0873322	0.0829907	0.0014990
EARTH	2057-01-17 08:15	> 1 d	0.1474997	0.1471731	0.0001129
EARTH	2057-10-03 02:41	402.5	0.0395056	0.0331946	0.0021080
EARTH	2058-10-02 07:11	35.7	0.1346140	0.1313605	0.0010845
EARTH	2088-05-11 09:08	> 1 d	0.1852114	0.0944229	0.0317589
EARTH	2089-04-25 08:33	> 1 d	0.0470347	0.0466070	0.0044314
EARTH	2090-02-25 23:04	> 1 mo	0.1237338	0.1002683	0.0159814
EARTH	2090-08-05 13:19	> 1 mo	0.1213320	0.0965517	0.0117448
EARTH	2090-12-21 03:57	> 1 mo	0.1397758	0.1069980	0.0110022
EARTH	2091-10-05 19:26	264.8	0.0076904	0.0039537	0.0439667
EARTH	2112-05-16 03:48	> 1 mo	0.1231583	0.0612200	6.0209510
EARTH	2113-03-14 15:06	> 1 mo	0.1188451	0.0979320	2.8115801
EARTH	2113-08-12 08:59	> 1 mo	0.1113541	0.0873031	2.1531537
EARTH	2113-12-11 23:38	> 1 mo	0.1388213	0.0421786	2.5929745
EARTH	2114-10-04 16:52	> 1 mo	0.1106611	0.0046930	6.5861333

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
259.54514389	270.68681955	0.00351256	MINIMUM
87.74366955	110.83561105	0.04713389	MINIMUM
171.89308287	190.06588181	0.12609420	SADDLE
354.61049729	10.81261104	0.14786362	SADDLE
2.15589104	199.20991455	1.87274683	SADDLE
182.91078440	19.98199338	2.08109805	MAXIMUM

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MOID Plots

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