Asteroids

2026TS help

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

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.932

Aphelion (Q)

3.840

Eccentricity (e)

0.609

Inclination (i)

3.3

deg

Orbit period (P)

1346.4

Earth MOID

0.00283

U parameter

8.3

Next Earth close approach

Date

2026-10-18

Nominal distance (from Earth center)

0.00607

907951

Maximum Brightness

16.9

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

24.1

mag

Diameter

40 - 90*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-01

Observatory

Pan-STARRS 1, 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

2.386293

1-sigma variation

0.008068

Unit

Eccentricity (e)

Value

0.609342

1-sigma variation

0.001365

Unit

Inclination (i)

Value

3.3045

1-sigma variation

0.0051

Unit

Long. of Ascending Node (Ω)

Value

26.2829

1-sigma variation

0.0033

Unit

Arg. of Perihelion (ω)

Value

30.8311

1-sigma variation

0.0029

Unit

Mean Anomaly (M)

Value

11.78929

1-sigma variation

0.05740

Unit

Perihelion distance

Value

0.932225

1-sigma variation

Unit

Aphelion distance

Value

3.840361

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.010111

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

2.141827

1-sigma variation

Unit

MOID

Value

0.002828

1-sigma variation

Unit

Orbit Period

Value

1346.4309

1-sigma variation

Unit

U parameter

Value

8.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.50856E-5	1.10136E-5	4.15149E-5	1.70088E-5	1.84099E-5	-4.63045E-4
e	1.10136E-5	1.86370E-6	7.02520E-6	2.87509E-6	3.11758E-6	-7.83551E-5
i	4.15149E-5	7.02520E-6	2.64927E-5	1.05783E-5	1.19425E-5	-2.95323E-4
Ω	1.70088E-5	2.87509E-6	1.05783E-5	1.05681E-5	3.15431E-7	-1.21719E-4
ω	1.84099E-5	3.11758E-6	1.19425E-5	3.15431E-7	8.52029E-6	-1.30456E-4
M	-4.63045E-4	-7.83551E-5	-2.95323E-4	-1.21719E-4	-1.30456E-4	3.29437E-3

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

24.142

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

40 - 90*

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

0.7

Unit

Source

[1]

Normalized RMS of residuals

Value

0.546138

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-01.341465

Unit

Source

[2]

Last Observation

Value

2026-10-08.178215

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

29 (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 2026TS 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	1954-01-01 12:56	> 1 w	0.1282205	0.0531927	0.2404650
EARTH	1964-12-07 09:04	> 1 mo	0.0501224	0.0484390	0.0846431
MARS	1968-11-08 21:02	> 1 mo	0.0486558	0.0259060	0.5377589
EARTH	1975-10-01 11:24	> 1 mo	0.1089329	0.0094506	1.2377803
EARTH	2016-01-08 20:37	> 1 w	0.1930416	0.0533842	0.3291063
EARTH	2026-10-18 06:19	3.2	0.0060693	0.0060277	0.0000139
MARS	2027-03-04 03:08	247.0	0.0311591	0.0311151	0.0000174
EARTH	2037-12-26 00:39	> 1 mo	0.0652363	0.0502531	0.2025404
1 Ceres	2070-06-10 01:05	> 1 mo	0.0102088	0.0037307	0.7549682
EARTH	2074-12-27 11:03	> 1 mo	0.0722312	0.0491441	1.1089540
EARTH	2111-12-03 13:47	> 1 mo	0.0514546	0.0492765	0.0426695

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
343.07001003	281.43774772	0.00282750	MINIMUM
13.97944833	342.34247568	0.04915995	MINIMUM
1.20074782	317.20711961	0.06283334	SADDLE
359.11997293	133.05293147	1.94201942	SADDLE
179.81510597	133.85483196	2.83088404	SADDLE
179.75848846	313.83063489	4.82809654	MAXIMUM

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MOID Plots

Click on the images to zoom-in and zoom-out

Level lines of the squared distance function

2026TS

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2078-10-18.047	80324.047	0.954	1.29 ± 0.059	5.67E4	1.09E-5	5.60E0	-4.56
2078-10-18.124	80324.124	1.348	0.64 ± 0.077	1.24E5	3.69E-6	5.60E0	-5.04
2097-10-17.568	87263.568	2.186	0.73 ± 0.021	2.75E4	3.37E-6	5.68E0	-5.20
2100-10-18.332	88359.332	0.245	1.34 ± 0.155	2.69E7	1.51E-8	5.58E0	-7.58
2113-10-18.178	93107.178	-0.920	0.13 ± 0.127	3.30E7	2.29E-8	5.57E0	-7.47
2117-10-18.095	94568.095	-2.948	0.81 ± 0.025	5.72E5	2.19E-8	5.49E0	-7.51
2124-10-17.918	97124.918	-3.558	0.83 ± 0.022	6.71E5	2.55E-9	5.44E0	-8.48


Based on 29 optical observations (of which 0 are rejected as outliers) from 2026/10/01.341 to 2026/10/08.178.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.46 and 1.46 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20261008 154111.193 UTC.

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