Asteroids

2026TF59 help

Last update: 2026-10-12 07:30 UTC

Orbital Properties

Epoch

61400.0

MJD

Orbit type

Aten

Perihelion (q)

0.744

Aphelion (Q)

1.130

Eccentricity (e)

0.206

Inclination (i)

8.3

deg

Orbit period (P)

331.4

Earth MOID

0.00290

U parameter

4.3

Next Earth close approach

Date

2035-05-27

Nominal distance (from Earth center)

0.12038

18009030

Maximum Brightness

28.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.5

mag

Diameter

5 - 12*

Taxonomic type

Rotation period (T)

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

0.937121

1-sigma variation

0.000002

Unit

Eccentricity (e)

Value

0.206165

1-sigma variation

0.000031

Unit

Inclination (i)

Value

8.3154

1-sigma variation

0.0020

Unit

Long. of Ascending Node (Ω)

Value

198.2327

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

300.5169

1-sigma variation

0.0011

Unit

Mean Anomaly (M)

Value

343.11666

1-sigma variation

0.00460

Unit

Perihelion distance

Value

0.743919

1-sigma variation

Unit

Aphelion distance

Value

1.130323

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.188042

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.004699

1-sigma variation

Unit

MOID

Value

0.002902

1-sigma variation

Unit

Orbit Period

Value

331.3537

1-sigma variation

Unit

U parameter

Value

4.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.37304E-12	-9.38258E-12	-1.52278E-10	-1.17758E-11	-6.82501E-10	-7.03084E-10
e	-9.38258E-12	9.45915E-10	6.07819E-8	2.76051E-9	-2.92453E-8	1.40904E-7
i	-1.52278E-10	6.07819E-8	3.98904E-6	1.80202E-7	-2.01114E-6	9.14696E-6
Ω	-1.17758E-11	2.76051E-9	1.80202E-7	8.15285E-9	-8.99220E-8	4.14430E-7
ω	-6.82501E-10	-2.92453E-8	-2.01114E-6	-8.99220E-8	1.19274E-6	-4.56256E-6
M	-7.03084E-10	1.40904E-7	9.14696E-6	4.14430E-7	-4.56256E-6	2.11365E-5

Date of computation: 2026-10-12 07:30 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

28.538

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

5 - 12*

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

0.8

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.587101

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-10-11.438254

Unit

Source

[2]

Last Observation

Value

2026-10-12.273789

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

21 (1)

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 2026TF59 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	1955-04-18 09:36	> 1 mo	0.1735515	0.1588060	0.3696886
EARTH	1955-09-07 06:29	> 1 mo	0.1629980	0.1006592	0.5557882
EARTH	1964-05-17 02:57	> 1 mo	0.1345394	0.1338509	0.0847305
EARTH	1973-06-05 20:41	> 1 mo	0.1685228	0.1383478	0.3407442
EARTH	1974-10-11 02:35	> 1 w	0.1263761	0.0037925	0.5609604
EARTH	1983-10-13 00:30	8.2	0.0015832	0.0014687	0.0001880
EARTH	1993-05-16 14:41	122.1	0.1194923	0.1193546	0.0000483
EARTH	1994-10-11 02:26	19.8	0.1094968	0.1078354	0.0005538
EARTH	2004-04-20 09:51	241.4	0.1600127	0.1595404	0.0001585
EARTH	2004-08-03 10:25	320.7	0.1890667	0.1888469	0.0000735
EARTH	2015-09-29 16:38	98.8	0.1143264	0.1135520	0.0002582
EARTH	2025-05-31 05:22	13.3	0.1467184	0.1466185	0.0000334
EARTH	2026-10-12 17:35	< 1 s	0.0024663	0.0024648	0.0000005
EARTH	2035-05-27 01:38	47.4	0.1203829	0.1203207	0.0000210
EARTH	2036-10-09 23:14	8.4	0.1338674	0.1332614	0.0002020
EARTH	2045-04-23 19:29	242.8	0.1675649	0.1670332	0.0001781
EARTH	2045-08-04 22:54	267.5	0.1820760	0.1819490	0.0000423
EARTH	2055-09-22 01:37	229.3	0.1276629	0.1266272	0.0003455
EARTH	2064-06-09 13:17	39.6	0.1909479	0.1897633	0.0003959
EARTH	2065-10-11 21:30	25.7	0.0246926	0.0233518	0.0004473
EARTH	2075-10-10 05:25	341.6	0.0562149	0.0488242	0.0024663
EARTH	2085-09-14 18:46	1092.1	0.1433216	0.1394420	0.0012989
EARTH	2095-04-22 11:21	1203.2	0.1662937	0.1639315	0.0008079
EARTH	2095-08-03 08:54	1391.0	0.1839797	0.1836772	0.0001047
EARTH	2105-05-18 22:29	412.6	0.1238727	0.1229764	0.0003195
EARTH	2106-10-11 02:09	55.4	0.1425689	0.1385437	0.0013418
EARTH	2115-06-04 01:17	68.2	0.1385101	0.1376840	0.0002779
EARTH	2116-10-13 06:05	5.5	0.0300563	0.0286063	0.0004837
EARTH	2125-06-02 10:08	287.2	0.1302330	0.1277396	0.0009001
EARTH	2126-10-13 07:40	74.6	0.0681452	0.0593802	0.0029230

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
251.32807940	277.09715903	0.00290216	MINIMUM
94.44062227	141.09234375	0.11924147	MINIMUM
166.23303048	205.14271137	0.18359775	SADDLE
354.04810800	28.10430614	0.26595112	SADDLE
2.10535759	217.89643731	1.75241721	SADDLE
183.63972132	39.52897539	2.11291296	MAXIMUM

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MOID Plots

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