Asteroids

2026KF help

Last update: 2026-05-17 15:15 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.805

Aphelion (Q)

2.707

Eccentricity (e)

0.542

Inclination (i)

1.2

deg

Orbit period (P)

850.0

Earth MOID

0.00249

U parameter

8.5

Next Earth close approach

Date

2026-05-22

Nominal distance (from Earth center)

0.00441

659157

Maximum Brightness

16.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.2

mag

Diameter

15 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-05-16

Observatory

MAPS, San Pedro de Atacama

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.756141

1-sigma variation

0.004036

Unit

Eccentricity (e)

Value

0.541558

1-sigma variation

0.001220

Unit

Inclination (i)

Value

1.2444

1-sigma variation

0.0028

Unit

Long. of Ascending Node (Ω)

Value

234.2874

1-sigma variation

0.0026

Unit

Arg. of Perihelion (ω)

Value

71.9960

1-sigma variation

0.0124

Unit

Mean Anomaly (M)

Value

348.34173

1-sigma variation

0.05390

Unit

Perihelion distance

Value

0.805089

1-sigma variation

Unit

Aphelion distance

Value

2.707193

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.051006

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.504055

1-sigma variation

Unit

MOID

Value

0.002490

1-sigma variation

Unit

Orbit Period

Value

850.0361

1-sigma variation

Unit

U parameter

Value

8.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.62876E-5	4.91758E-6	1.05505E-5	9.98253E-6	-1.78439E-5	2.17506E-4
e	4.91758E-6	1.48815E-6	3.12578E-6	2.97543E-6	-4.70860E-6	6.56423E-5
i	1.05505E-5	3.12578E-6	7.90724E-6	7.17134E-6	-2.33992E-5	1.41362E-4
Ω	9.98253E-6	2.97543E-6	7.17134E-6	6.59385E-6	-1.86084E-5	1.33614E-4
ω	-1.78439E-5	-4.70860E-6	-2.33992E-5	-1.86084E-5	1.54098E-4	-2.43694E-4
M	2.17506E-4	6.56423E-5	1.41362E-4	1.33614E-4	-2.43694E-4	2.90480E-3

Date of computation: 2026-05-17 15:15 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

26.181

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

15 - 30*

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

[-]

Download this part as:

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

0.8

Unit

Source

[1]

Normalized RMS of residuals

Value

0.757432

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-05-16.1715

Unit

Source

[2]

Last Observation

Value

2026-05-17.596866

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

16 (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

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 2026KF 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	1955-09-04 10:22	> 1 mo	0.1519712	0.0173022	20.4091887
EARTH	1974-07-08 14:00	> 1 mo	0.1925783	0.0180405	4.2494399
EARTH	1981-10-14 08:05	> 1 mo	0.1959033	0.0168824	8.1337929
EARTH	1993-05-21 01:21	> 1 w	0.0133397	0.0023852	0.3089803
EARTH	2007-10-09 13:43	> 1 w	0.0962291	0.0165723	0.3799284
EARTH	2026-05-22 01:23	6.0	0.0044062	0.0043747	0.0000105
EARTH	2033-05-13 21:43	> 1 w	0.1137856	0.0022318	0.1495527
EARTH	2091-10-16 15:42	> 1 mo	0.1839871	0.0141506	0.9542082
EARTH	2098-10-11 16:36	> 1 mo	0.1019840	0.0141748	0.7442999
EARTH	2105-10-09 12:34	> 1 w	0.0597812	0.0142585	0.3792467
EARTH	2112-10-09 16:12	> 1 w	0.0636045	0.0143523	0.2830580
EARTH	2119-10-12 19:29	> 1 mo	0.0979998	0.0142134	0.7456611
EARTH	2126-10-16 10:48	> 1 mo	0.1566201	0.0139305	0.9114504

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
321.45811186	135.88660169	0.00249044	MINIMUM
37.50050188	266.64071350	0.01521698	MINIMUM
359.38604419	201.18128013	0.21139686	SADDLE
179.80834346	21.63915760	1.72284608	SADDLE
359.35413507	21.10804173	1.78964247	SADDLE
179.79157665	201.62605712	3.72267658	MAXIMUM

Download:

MOID Plots

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