Asteroids

2026LD help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.992

Aphelion (Q)

4.102

Eccentricity (e)

0.610

Inclination (i)

3.7

deg

Orbit period (P)

1484.8

Earth MOID

0.00606

U parameter

8.0

Next Earth close approach

Date

2026-06-09

Nominal distance (from Earth center)

0.00764

1142428

Maximum Brightness

18.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.3

mag

Diameter

40 - 80*

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

2.547156

1-sigma variation

0.004722

Unit

Eccentricity (e)

Value

0.610378

1-sigma variation

0.000731

Unit

Inclination (i)

Value

3.6801

1-sigma variation

0.0029

Unit

Long. of Ascending Node (Ω)

Value

260.9877

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

13.7056

1-sigma variation

0.0013

Unit

Mean Anomaly (M)

Value

356.69310

1-sigma variation

0.00961

Unit

Perihelion distance

Value

0.992427

1-sigma variation

Unit

Aphelion distance

Value

4.101885

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.012262

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

2.943143

1-sigma variation

Unit

MOID

Value

0.006059

1-sigma variation

Unit

Orbit Period

Value

1484.8472

1-sigma variation

Unit

U parameter

Value

8.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.22987E-5	3.45269E-6	1.37208E-5	3.29127E-6	5.79864E-6	4.53750E-5
e	3.45269E-6	5.34610E-7	2.12436E-6	5.10289E-7	8.98257E-7	7.02558E-6
i	1.37208E-5	2.12436E-6	8.46666E-6	1.92194E-6	3.51129E-6	2.79516E-5
Ω	3.29127E-6	5.10289E-7	1.92194E-6	9.39764E-7	1.11556E-6	6.55705E-6
ω	5.79864E-6	8.98257E-7	3.51129E-6	1.11556E-6	1.67729E-6	1.17152E-5
M	4.53750E-5	7.02558E-6	2.79516E-5	6.55705E-6	1.17152E-5	9.23765E-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

24.31

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

40 - 80*

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

0.6

Unit

Source

[1]

Normalized RMS of residuals

Value

0.50926

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-06-04.308856

Unit

Source

[2]

Last Observation

Value

2026-06-07.151768

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

20 (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 2026LD 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	2022-05-20 20:56	> 1 w	0.1013580	0.0100956	0.0614919
EARTH	2026-06-09 05:22	< 1 min	0.0076367	0.0076129	0.0000079
EARTH	2030-07-23 03:44	> 1 w	0.0462775	0.0361218	0.0303179
EARTH	2066-08-25 06:16	> 1 mo	0.1996635	0.0577665	0.5373492
EARTH	2070-07-29 22:06	> 1 mo	0.0568225	0.0528867	0.1424240
EARTH	2074-05-30 05:21	> 1 mo	0.0733150	0.0361667	0.3894141
EARTH	2109-08-26 20:33	> 1 w	0.0812551	0.0629612	0.1423179

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
350.86894893	151.40103611	0.00605915	MINIMUM
0.23669785	350.58803189	1.97610393	SADDLE
180.07204154	350.33639245	3.11829239	SADDLE
180.03755952	170.32081279	5.11839571	MAXIMUM

Download:

MOID Plots

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