Asteroids

2026DH11 help

Last update: 2026-03-12 13:01 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.898

Aphelion (Q)

3.767

Eccentricity (e)

0.615

Inclination (i)

6.9

deg

Orbit period (P)

1301.1

Earth MOID

0.00533

U parameter

8.2

Next Earth close approach

Date

2058-02-18

Nominal distance (from Earth center)

0.18894

28265705

Maximum Brightness

25.2

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

2026-02-25

Observatory

Kitt Peak-Bok

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

2.332452

1-sigma variation

0.006570

Unit

Eccentricity (e)

Value

0.614842

1-sigma variation

0.001143

Unit

Inclination (i)

Value

6.9204

1-sigma variation

0.0097

Unit

Long. of Ascending Node (Ω)

Value

345.3812

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

224.0903

1-sigma variation

0.0065

Unit

Mean Anomaly (M)

Value

17.01759

1-sigma variation

0.06915

Unit

Perihelion distance

Value

0.898363

1-sigma variation

Unit

Aphelion distance

Value

3.766541

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.589568

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.014504

1-sigma variation

Unit

MOID

Value

0.005326

1-sigma variation

Unit

Orbit Period

Value

1301.1204

1-sigma variation

Unit

U parameter

Value

8.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.31659E-5	7.50707E-6	6.40387E-5	-6.79453E-6	4.26671E-5	-4.54320E-4
e	7.50707E-6	1.30557E-6	1.11371E-5	-1.18165E-6	7.42034E-6	-7.90118E-5
i	6.40387E-5	1.11371E-5	9.50054E-5	-1.00802E-5	6.33001E-5	-6.74007E-4
Ω	-6.79453E-6	-1.18165E-6	-1.00802E-5	1.06971E-6	-6.71675E-6	7.15125E-5
ω	4.26671E-5	7.42034E-6	6.33001E-5	-6.71675E-6	4.21802E-5	-4.49072E-4
M	-4.54320E-4	-7.90118E-5	-6.74007E-4	7.15125E-5	-4.49072E-4	4.78172E-3

Date of computation: 2026-03-12 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

26.185

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.395362

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-25.266572

Unit

Source

[2]

Last Observation

Value

2026-03-09.215747

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

26 (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 2026DH11 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	1966-02-26 19:28	> 1 mo	0.0964005	0.0037062	1.6067017
EARTH	1973-05-17 16:52	> 1 mo	0.1356351	0.1322025	0.1858657
EARTH	2026-03-09 12:07	< 1 min	0.0083635	0.0083230	0.0000135
EARTH	2058-02-18 14:05	> 1 mo	0.1889446	0.0045298	0.9217434
EARTH	2065-06-07 10:38	> 1 mo	0.1186432	0.1186409	0.0030303
EARTH	2104-04-24 06:30	> 1 mo	0.1460137	0.1279546	0.2179516

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
338.90477518	62.46142447	0.00532567	MINIMUM
22.18914504	148.29718480	0.12221918	MINIMUM
6.52481904	117.24622528	0.13963021	SADDLE
1.57910727	287.07792501	1.89206247	SADDLE
180.50261514	285.34899501	2.77562509	SADDLE
180.20168127	105.20435657	4.76811026	MAXIMUM

Download:

MOID Plots

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