Asteroids

2026TO69 help

Last update: 2026-10-16 13:15 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Aten

Perihelion (q)

0.883

Aphelion (Q)

1.061

Eccentricity (e)

0.091

Inclination (i)

23.4

deg

Orbit period (P)

350.1

Earth MOID

0.01222

U parameter

6.5

Next Earth close approach

Date

2048-04-20

Nominal distance (from Earth center)

0.13719

20523793

Maximum Brightness

26.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.9

mag

Diameter

17 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-10-14

Observatory

TransAstra TKO at e-EYE

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

0.972062

1-sigma variation

0.000060

Unit

Eccentricity (e)

Value

0.091494

1-sigma variation

0.000008

Unit

Inclination (i)

Value

23.4331

1-sigma variation

0.0111

Unit

Long. of Ascending Node (Ω)

Value

200.5963

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

299.3683

1-sigma variation

0.0396

Unit

Mean Anomaly (M)

Value

324.99868

1-sigma variation

0.03658

Unit

Perihelion distance

Value

0.883124

1-sigma variation

Unit

Aphelion distance

Value

1.061000

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.078457

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.012410

1-sigma variation

Unit

MOID

Value

0.012219

1-sigma variation

Unit

Orbit Period

Value

350.0576

1-sigma variation

Unit

U parameter

Value

6.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.55119E-9	3.23752E-10	6.59432E-7	5.26032E-9	-2.35916E-6	2.17659E-6
e	3.23752E-10	6.60827E-11	6.20460E-8	4.95503E-10	-2.22267E-7	2.10118E-7
i	6.59432E-7	6.20460E-8	1.22708E-4	9.78931E-7	-4.38414E-4	4.04746E-4
Ω	5.26032E-9	4.95503E-10	9.78931E-7	7.81219E-9	-3.49737E-6	3.22887E-6
ω	-2.35916E-6	-2.22267E-7	-4.38414E-4	-3.49737E-6	1.56868E-3	-1.44829E-3
M	2.17659E-6	2.10118E-7	4.04746E-4	3.22887E-6	-1.44829E-3	1.33783E-3

Date of computation: 2026-10-16 13:15 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

25.919

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

17 - 40*

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

1.14597

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-14.026751

Unit

Source

[2]

Last Observation

Value

2026-10-15.400321

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

47 (8)

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 2026TO69 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	1955-04-23 10:46	> 1 d	0.1648878	0.0747834	0.0425902
EARTH	1956-04-03 22:10	> 1 d	0.1242198	0.0979935	0.0165180
EARTH	1956-10-13 22:13	292.0	0.0115508	0.0115500	0.0000611
EARTH	1979-04-09 17:02	16.6	0.0850427	0.0845935	0.0001498
EARTH	1979-10-15 17:25	5.7	0.0680247	0.0670741	0.0003169
EARTH	1980-10-10 03:25	30.2	0.1789565	0.1764959	0.0008202
EARTH	2002-04-18 01:22	1319.9	0.1077165	0.0876502	0.0081750
EARTH	2002-10-16 13:37	70.5	0.1811039	0.1456610	0.0118334
EARTH	2003-03-30 04:18	1330.9	0.1826276	0.1508365	0.0110135
EARTH	2003-10-13 14:21	355.5	0.0639760	0.0284642	0.0121306
EARTH	2025-04-22 18:24	115.7	0.1603606	0.1578106	0.0008519
EARTH	2026-04-04 01:32	38.4	0.1294281	0.1285776	0.0002851
EARTH	2026-10-14 12:47	< 1 min	0.0115803	0.0115639	0.0000055
EARTH	2048-04-20 14:19	1234.6	0.1371931	0.1113056	0.0094143
EARTH	2049-04-01 06:04	1400.5	0.1561697	0.1270379	0.0103167
EARTH	2049-10-13 19:24	329.4	0.0334067	0.0115729	0.0116679
EARTH	2071-04-08 06:57	> 1 d	0.0974663	0.0811276	0.0170381
EARTH	2071-10-15 14:48	614.4	0.0468185	0.0117951	0.0295080
EARTH	2093-04-20 05:43	51.6	0.1298382	0.1290243	0.0002714
EARTH	2094-03-31 13:04	168.8	0.1664537	0.1630156	0.0011479
EARTH	2094-10-13 22:07	64.0	0.0452644	0.0375210	0.0025997
EARTH	2115-04-27 11:04	> 1 d	0.1940213	0.1329516	0.0222637
EARTH	2116-04-06 19:51	> 1 d	0.1114953	0.0833479	0.0177457
EARTH	2116-10-15 14:57	596.6	0.0261747	0.0115107	0.0243070

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
245.63886656	278.81408613	0.01221938	MINIMUM
57.81056436	98.25686362	0.07760268	MINIMUM
333.37535895	7.80337804	0.39117255	SADDLE
149.83707241	189.69785579	0.42016784	SADDLE
348.66167455	205.52309986	1.86239449	SADDLE
212.04299976	69.33160805	2.02977196	MAXIMUM

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MOID Plots

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