Asteroids

2026LK1 help

Last update: 2026-06-12 13:01 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.990

Aphelion (Q)

1.920

Eccentricity (e)

0.319

Inclination (i)

0.4

deg

Orbit period (P)

641.0

Earth MOID

0.00496

U parameter

6.3

Next Earth close approach

Date

2045-08-27

Nominal distance (from Earth center)

0.10194

15250574

Maximum Brightness

25.4

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

27.9

mag

Diameter

7 - 16*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-06-10

Observatory

JPL SynTrack Robotic Telescope, Auberry

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

1.454997

1-sigma variation

0.000115

Unit

Eccentricity (e)

Value

0.319263

1-sigma variation

0.000057

Unit

Inclination (i)

Value

0.3821

1-sigma variation

0.0001

Unit

Long. of Ascending Node (Ω)

Value

215.1451

1-sigma variation

0.0078

Unit

Arg. of Perihelion (ω)

Value

73.9477

1-sigma variation

0.0081

Unit

Mean Anomaly (M)

Value

344.16393

1-sigma variation

0.00210

Unit

Perihelion distance

Value

0.990470

1-sigma variation

Unit

Aphelion distance

Value

1.919524

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.191610

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.443777

1-sigma variation

Unit

MOID

Value

0.004956

1-sigma variation

Unit

Orbit Period

Value

641.0496

1-sigma variation

Unit

U parameter

Value

6.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.32766E-8	6.51224E-9	5.07695E-9	-2.23697E-7	2.52815E-7	2.41759E-7
e	6.51224E-9	3.19448E-9	2.46947E-9	-1.12779E-7	1.27184E-7	1.18527E-7
i	5.07695E-9	2.46947E-9	4.60168E-9	3.04156E-7	-3.06441E-7	9.86722E-8
Ω	-2.23697E-7	-1.12779E-7	3.04156E-7	6.08715E-5	-6.33332E-5	-3.15914E-6
ω	2.52815E-7	1.27184E-7	-3.06441E-7	-6.33332E-5	6.59384E-5	3.65240E-6
M	2.41759E-7	1.18527E-7	9.86722E-8	-3.15914E-6	3.65240E-6	4.41943E-6

Date of computation: 2026-06-12 13:01 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

27.876

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

7 - 16*

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

0.818381

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-06-10.419092

Unit

Source

[2]

Last Observation

Value

2026-06-12.251891

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

55 (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 2026LK1 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	1952-08-22 12:52	> 1 mo	0.0863067	0.0075634	3.7680509
EARTH	1982-05-19 11:55	> 1 mo	0.1863999	0.0034993	0.7809738
EARTH	1989-06-24 19:09	> 1 mo	0.0181143	0.0047076	0.0835453
EARTH	2019-06-09 20:05	> 1 d	0.0144974	0.0051610	0.0037768
EARTH	2026-06-12 21:42	< 1 s	0.0059879	0.0059852	0.0000009
EARTH	2045-08-27 02:41	> 1 d	0.1019438	0.0623349	0.0132074
EARTH	2052-05-22 22:43	1036.8	0.1437218	0.1119807	0.0105820
MARS	2052-11-04 12:22	54.0	0.0133807	0.0041718	0.0084564
EARTH	2071-07-11 04:29	> 1 w	0.0276871	0.0234218	0.0014668
EARTH	2090-08-31 16:17	> 1 w	0.1500444	0.0031097	0.1506540
EARTH	2097-05-25 04:06	> 1 w	0.1186821	0.0050690	0.1761998
EARTH	2116-07-24 16:57	> 1 d	0.0237842	0.0141746	0.0032282

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
340.98259156	158.08255492	0.00495645	MINIMUM
18.52648712	210.75752772	0.00666288	MINIMUM
359.84892521	184.55460052	0.02708659	SADDLE
179.88652121	4.56657682	0.93600395	SADDLE
359.78223733	4.45762958	1.97401988	SADDLE
179.87987855	184.56054247	2.93630219	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2026LK1

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2116-08-11.349	94135.349	-3.055	0.000	1.88 ± 0.918	3.76E5	2.06E-8	2.11E-2	-9.46	0
2121-08-11.174	95961.174	1.820	0.183	2.21 ± 0.846	1.21E6	9.09E-10	2.00E-2	-10.86	0
2126-08-10.088	97786.088	-0.677	0.000	0.84 ± 1.063	1.43E7	7.59E-8	2.11E-2	-8.94	n/a
2126-08-10.203	97786.203	-0.625	0.935	2.21 ± 0.886	4.16E6	7.11E-11	2.00E-2	-11.99	n/a


Based on 39 optical observations (of which 0 are rejected as outliers) from 2026/06/10.419 to 2026/06/10.962.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 2.22 and 2.22 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260611 025228.317 UTC.

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