Asteroids

2026TL6 help

Last update: 2026-10-09 13:46 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Apollo

Perihelion (q)

0.827

Aphelion (Q)

2.258

Eccentricity (e)

0.464

Inclination (i)

6.4

deg

Orbit period (P)

699.8

Earth MOID

0.00204

U parameter

7.9

Next Earth close approach

Date

2048-01-22

Nominal distance (from Earth center)

0.14407

21552115

Maximum Brightness

29.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

29.3

mag

Diameter

4 - 8*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-08

Observatory

Kitt Peak-Bok

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

1.542570

1-sigma variation

0.001355

Unit

Eccentricity (e)

Value

0.463648

1-sigma variation

0.000550

Unit

Inclination (i)

Value

6.3792

1-sigma variation

0.0075

Unit

Long. of Ascending Node (Ω)

Value

15.7674

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

63.6500

1-sigma variation

0.0039

Unit

Mean Anomaly (M)

Value

16.19487

1-sigma variation

0.01293

Unit

Perihelion distance

Value

0.827360

1-sigma variation

Unit

Aphelion distance

Value

2.257779

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.006349

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.524671

1-sigma variation

Unit

MOID

Value

0.002039

1-sigma variation

Unit

Orbit Period

Value

699.7865

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.83473E-6	7.45013E-7	1.01475E-5	2.01236E-7	-4.94107E-6	-1.75084E-5
e	7.45013E-7	3.02561E-7	4.11675E-6	8.13969E-8	-1.99730E-6	-7.11088E-6
i	1.01475E-5	4.11675E-6	5.64885E-5	1.14317E-6	-2.81857E-5	-9.67044E-5
Ω	2.01236E-7	8.13969E-8	1.14317E-6	2.46716E-8	-6.14269E-7	-1.90930E-6
ω	-4.94107E-6	-1.99730E-6	-2.81857E-5	-6.14269E-7	1.53788E-5	4.68329E-5
M	-1.75084E-5	-7.11088E-6	-9.67044E-5	-1.90930E-6	4.68329E-5	1.67128E-4

Date of computation: 2026-10-09 13:46 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

29.348

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 - 8*

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

0.9

Unit

Source

[1]

Unobserved

Value

1.0

Unit

Source

[1]

Normalized RMS of residuals

Value

0.693132

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-08.336261

Unit

Source

[2]

Last Observation

Value

2026-10-09.26554

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

17 (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 2026TL6 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	1969-02-06 00:07	> 1 mo	0.1042259	0.0986742	0.1045812
EARTH	1970-10-24 02:37	> 1 mo	0.0945827	0.0097823	0.2571124
EARTH	1997-12-26 01:50	> 1 mo	0.1779350	0.1519622	0.0283783
EARTH	1999-10-04 07:35	> 1 w	0.0701490	0.0005378	0.1987817
EARTH	2025-01-17 21:17	> 1 d	0.1520530	0.1289956	0.0082779
EARTH	2026-10-10 05:39	< 1 min	0.0016764	0.0016713	0.0000017
EARTH	2048-01-22 15:29	> 1 mo	0.1440670	0.0894664	0.0914655
EARTH	2049-10-04 14:25	> 1 w	0.0652612	0.0011892	0.1726677
EARTH	2070-12-01 12:20	> 1 mo	0.1758719	0.1216483	0.0285236
EARTH	2092-02-16 06:10	> 1 w	0.0967111	0.0879707	0.1457953
EARTH	2093-10-22 08:53	> 1 mo	0.0845041	0.0024167	0.3235470
EARTH	2115-02-14 14:08	> 1 w	0.0879580	0.0876470	0.0132195
EARTH	2116-10-19 11:24	> 1 w	0.0636496	0.0017746	0.1444996

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
319.52584499	274.67571899	0.00203924	MINIMUM
40.70372737	39.05797339	0.08969537	MINIMUM
2.39039551	340.64430882	0.18176261	SADDLE
180.12640555	156.23256631	1.25328306	SADDLE
359.43145258	155.83611619	1.83870983	SADDLE
179.52432887	335.86917635	3.23901483	MAXIMUM

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MOID Plots

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