Asteroids

2026KA help

Last update: 2026-05-17 13:15 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.796

Aphelion (Q)

3.423

Eccentricity (e)

0.622

Inclination (i)

2.2

deg

Orbit period (P)

1119.4

Earth MOID

0.00305

U parameter

7.2

Next Earth close approach

Date

2032-09-26

Nominal distance (from Earth center)

0.03497

5232147

Maximum Brightness

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

26.4

mag

Diameter

14 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-05-16

Observatory

Catalina Sky Survey

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

2.109890

1-sigma variation

0.000877

Unit

Eccentricity (e)

Value

0.622493

1-sigma variation

0.000174

Unit

Inclination (i)

Value

2.2141

1-sigma variation

0.0005

Unit

Long. of Ascending Node (Ω)

Value

60.9604

1-sigma variation

0.0009

Unit

Arg. of Perihelion (ω)

Value

238.8750

1-sigma variation

0.0011

Unit

Mean Anomaly (M)

Value

353.53246

1-sigma variation

0.00527

Unit

Perihelion distance

Value

0.796499

1-sigma variation

Unit

Aphelion distance

Value

3.423281

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.914989

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.033760

1-sigma variation

Unit

MOID

Value

0.003053

1-sigma variation

Unit

Orbit Period

Value

1119.4071

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.68544E-7	1.52910E-7	3.35355E-7	2.29865E-7	-2.22969E-7	4.61607E-6
e	1.52910E-7	3.04246E-8	6.69937E-8	4.49382E-8	-4.31347E-8	9.18372E-7
i	3.35355E-7	6.69937E-8	2.21766E-7	-1.22528E-7	2.03329E-7	2.00656E-6
Ω	2.29865E-7	4.49382E-8	-1.22528E-7	7.28100E-7	-9.53976E-7	1.40301E-6
ω	-2.22969E-7	-4.31347E-8	2.03329E-7	-9.53976E-7	1.30697E-6	-1.37480E-6
M	4.61607E-6	9.18372E-7	2.00656E-6	1.40301E-6	-1.37480E-6	2.77266E-5

Date of computation: 2026-05-17 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

26.374

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

14 - 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

[-]

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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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.378648

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-05-15.994929

Unit

Source

[2]

Last Observation

Value

2026-05-16.89093

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

32 (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 2026KA 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
1 Ceres	1953-01-31 12:28	> 1 w	0.0086158	0.0066102	0.1279744
EARTH	1955-05-15 22:45	> 1 d	0.0118429	0.0048253	0.0717497
EARTH	1958-08-13 21:25	> 1 w	0.1972285	0.1091756	0.0301573
EARTH	1992-06-07 13:55	> 1 w	0.1481018	0.0105690	0.0817539
EARTH	1995-09-13 01:57	> 1 w	0.1111709	0.0309767	0.0953083
EARTH	2026-05-17 13:19	< 1 min	0.0032589	0.0032566	0.0000008
EARTH	2032-09-26 02:44	> 1 d	0.0349747	0.0331126	0.0072900
EARTH	2075-06-06 09:32	> 1 mo	0.1403887	0.0071638	0.3212825
EARTH	2081-10-05 10:10	> 1 w	0.1108320	0.0310041	0.4257618
MARS	2112-01-13 05:19	> 1 d	0.0254353	0.0129394	0.0828768
EARTH	2118-05-12 15:52	> 1 w	0.1013647	0.0007500	0.2215292
EARTH	2124-09-21 15:34	> 1 w	0.0649662	0.0309644	0.1948485

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
326.79851151	131.28300939	0.00305333	MINIMUM
32.67625538	258.96143510	0.03306473	MINIMUM
359.81432323	195.34733989	0.22174238	SADDLE
359.64313028	14.97472783	1.78033999	SADDLE
179.92813071	15.30253885	2.43994401	SADDLE
179.89514295	195.28434119	4.43909416	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2026KA

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2124-05-19.588	96973.588	-0.720	0.000	0.47 ± 0.012	1.24E5	5.89E-6	3.97E-1	-6.02	0
2124-05-19.783	96973.783	-1.672	0.000	0.14 ± 0.012	1.71E5	1.41E-6	3.97E-1	-6.64	0


Based on 32 optical observations (of which 0 are rejected as outliers) from 2026/05/15.995 to 2026/05/16.891.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.23 and 1.23 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260517 135040.526 UTC.

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Download Impactor Table as: