Asteroids

2026DQ11 help

Last update: 2026-03-09 13:16 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.920

Aphelion (Q)

2.507

Eccentricity (e)

0.463

Inclination (i)

5.8

deg

Orbit period (P)

819.1

Earth MOID

0.02664

U parameter

8.6

Next Earth close approach

Date

2073-06-16

Nominal distance (from Earth center)

0.14778

22108235

Maximum Brightness

23.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.6

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-26

Observatory

Mt. Lemmon 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

1.713275

1-sigma variation

0.005522

Unit

Eccentricity (e)

Value

0.463030

1-sigma variation

0.001866

Unit

Inclination (i)

Value

5.7778

1-sigma variation

0.0161

Unit

Long. of Ascending Node (Ω)

Value

5.9568

1-sigma variation

0.0150

Unit

Arg. of Perihelion (ω)

Value

202.8500

1-sigma variation

0.0029

Unit

Mean Anomaly (M)

Value

26.75455

1-sigma variation

0.12111

Unit

Perihelion distance

Value

0.919978

1-sigma variation

Unit

Aphelion distance

Value

2.506573

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.345030

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.053987

1-sigma variation

Unit

MOID

Value

0.026643

1-sigma variation

Unit

Orbit Period

Value

819.1043

1-sigma variation

Unit

U parameter

Value

8.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.04936E-5	1.03020E-5	8.88846E-5	8.27640E-5	-1.58666E-5	-6.68776E-4
e	1.03020E-5	3.48045E-6	3.00290E-5	2.79611E-5	-5.36034E-6	-2.25941E-4
i	8.88846E-5	3.00290E-5	2.59088E-4	2.41239E-4	-4.62389E-5	-1.94939E-3
Ω	8.27640E-5	2.79611E-5	2.41239E-4	2.24665E-4	-4.31044E-5	-1.81515E-3
ω	-1.58666E-5	-5.36034E-6	-4.62389E-5	-4.31044E-5	8.31507E-6	3.47975E-4
M	-6.68776E-4	-2.25941E-4	-1.94939E-3	-1.81515E-3	3.47975E-4	1.46674E-2

Date of computation: 2026-03-09 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

24.571

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

30 - 70*

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

0.494396

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-26.255769

Unit

Source

[2]

Last Observation

Value

2026-03-09.465697

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 2026DQ11 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	1990-06-17 07:06	> 1 mo	0.1613092	0.0970577	0.5748331
EARTH	1999-05-26 18:04	> 1 mo	0.0921436	0.0919848	0.0224337
EARTH	2008-04-20 20:00	> 1 mo	0.0940727	0.0864239	0.0684648
EARTH	2017-03-21 20:33	> 1 mo	0.0474049	0.0302320	0.1553452
EARTH	2026-03-09 12:57	< 1 min	0.0332098	0.0328630	0.0001156
EARTH	2073-06-16 12:00	> 1 mo	0.1477844	0.0969370	0.8275222
EARTH	2082-05-18 20:13	> 1 mo	0.0961901	0.0947766	0.1192519
EARTH	2091-04-07 14:05	> 1 mo	0.0796093	0.0510366	0.4933066
EARTH	2100-03-11 02:05	> 1 mo	0.0299388	0.0252499	0.5331031

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
337.11389066	66.63036795	0.02664346	MINIMUM
23.73873576	141.94118673	0.09211232	MINIMUM
8.97624744	118.11389222	0.09842407	SADDLE
180.96487694	285.24857060	1.51207267	SADDLE
2.11762553	286.79343149	1.91513831	SADDLE
180.58935795	105.02540968	3.51028102	MAXIMUM

Download:

MOID Plots

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