Asteroids

2026LL help

Last update: 2026-06-07 13:16 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Amor

Perihelion (q)

1.020

Aphelion (Q)

1.600

Eccentricity (e)

0.221

Inclination (i)

13.2

deg

Orbit period (P)

547.7

Earth MOID

0.01387

U parameter

7.3

Next Earth close approach

Date

2029-06-03

Nominal distance (from Earth center)

0.02841

4249682

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.7

mag

Diameter

8 - 17*

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.310075

1-sigma variation

0.000370

Unit

Eccentricity (e)

Value

0.221215

1-sigma variation

0.000217

Unit

Inclination (i)

Value

13.2056

1-sigma variation

0.0083

Unit

Long. of Ascending Node (Ω)

Value

254.7087

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

17.5845

1-sigma variation

0.0067

Unit

Mean Anomaly (M)

Value

351.02864

1-sigma variation

0.00678

Unit

Perihelion distance

Value

1.020267

1-sigma variation

Unit

Aphelion distance

Value

1.599883

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.014371

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.593339

1-sigma variation

Unit

MOID

Value

0.013866

1-sigma variation

Unit

Orbit Period

Value

547.6997

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.37200E-7	8.04104E-8	3.04633E-6	-3.63805E-8	-4.62399E-7	2.01615E-6
e	8.04104E-8	4.71533E-8	1.78185E-6	-2.14028E-8	-2.37154E-7	1.16094E-6
i	3.04633E-6	1.78185E-6	6.81490E-5	-7.96535E-7	-1.48478E-5	4.75652E-5
Ω	-3.63805E-8	-2.14028E-8	-7.96535E-7	9.92942E-9	1.75357E-8	-4.70397E-7
ω	-4.62399E-7	-2.37154E-7	-1.48478E-5	1.75357E-8	4.54724E-5	-3.36381E-5
M	2.01615E-6	1.16094E-6	4.75652E-5	-4.70397E-7	-3.36381E-5	4.60357E-5

Date of computation: 2026-06-07 13:16 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

27.666

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

8 - 17*

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

0.9

Unit

Source

[1]

Unobserved

Value

0.5

Unit

Source

[1]

Normalized RMS of residuals

Value

0.65436

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-06-06.273114

Unit

Source

[2]

Last Observation

Value

2026-06-07.215574

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

19 (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 2026LL 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	2017-07-02 14:28	> 1 d	0.1963006	0.1617247	0.0116094
EARTH	2020-06-19 21:15	> 1 d	0.1121713	0.0815560	0.0102145
EARTH	2023-06-11 09:44	1293.6	0.0420419	0.0211723	0.0072631
EARTH	2026-06-06 20:46	< 1 min	0.0140098	0.0139807	0.0000097
EARTH	2029-06-03 18:37	1132.0	0.0284074	0.0134018	0.0067568
EARTH	2032-05-27 09:03	821.9	0.1026016	0.0809431	0.0072208
EARTH	2035-05-20 19:40	453.6	0.1967800	0.1800340	0.0055831
EARTH	2108-06-21 14:17	> 1 d	0.1162628	0.0268590	0.0301327
EARTH	2111-06-12 12:38	> 1 d	0.0431167	0.0120376	0.0246893
EARTH	2114-06-07 09:23	936.5	0.0148212	0.0145075	0.0011860
EARTH	2117-05-31 13:20	> 1 d	0.0729791	0.0090800	0.0242295
EARTH	2120-05-23 22:49	> 1 d	0.1629170	0.0551185	0.0359850

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
346.63349269	150.71189825	0.01386626	MINIMUM
188.14922597	353.89636540	0.62440751	SADDLE
2.82421002	350.76641207	2.00263625	SADDLE
179.16186584	166.93545682	2.61488272	MAXIMUM

Download:

MOID Plots

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