Asteroids

2026DR11 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.968

Aphelion (Q)

1.374

Eccentricity (e)

0.174

Inclination (i)

6.4

deg

Orbit period (P)

462.7

Earth MOID

0.00202

U parameter

5.9

Next Earth close approach

Date

2026-07-08

Nominal distance (from Earth center)

0.19568

29273407

Maximum Brightness

26.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

28.2

mag

Diameter

6 - 14*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-27

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

1.170763

1-sigma variation

0.000039

Unit

Eccentricity (e)

Value

0.173584

1-sigma variation

0.000030

Unit

Inclination (i)

Value

6.4456

1-sigma variation

0.0008

Unit

Long. of Ascending Node (Ω)

Value

340.4874

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

214.4915

1-sigma variation

0.0009

Unit

Mean Anomaly (M)

Value

53.22452

1-sigma variation

0.00174

Unit

Perihelion distance

Value

0.967536

1-sigma variation

Unit

Aphelion distance

Value

1.373989

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.315752

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.002699

1-sigma variation

Unit

MOID

Value

0.002022

1-sigma variation

Unit

Orbit Period

Value

462.7023

1-sigma variation

Unit

U parameter

Value

5.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.54063E-9	1.15815E-9	3.22667E-8	2.98499E-9	-3.54998E-8	-6.82676E-8
e	1.15815E-9	8.70652E-10	2.42583E-8	2.24411E-9	-2.66634E-8	-5.13344E-8
i	3.22667E-8	2.42583E-8	6.76069E-7	6.25211E-8	-7.41798E-7	-1.43091E-6
Ω	2.98499E-9	2.24411E-9	6.25211E-8	5.78877E-9	-6.86482E-8	-1.32360E-7
ω	-3.54998E-8	-2.66634E-8	-7.41798E-7	-6.86482E-8	8.34589E-7	1.56202E-6
M	-6.82676E-8	-5.13344E-8	-1.43091E-6	-1.32360E-7	1.56202E-6	3.03235E-6

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

28.188

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

6 - 14*

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

0.674288

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-27.228083

Unit

Source

[2]

Last Observation

Value

2026-03-02.020494

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

73 (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 2026DR11 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
MARS	1958-06-29 19:41	> 1 mo	0.0398256	0.0204817	6.1416677
EARTH	1971-05-05 04:14	> 1 mo	0.1135432	0.0921241	1.2109010
EARTH	1975-02-27 15:45	> 1 mo	0.0156271	0.0008016	0.2053098
EARTH	1996-02-27 06:17	1278.5	0.0198398	0.0028725	0.0056817
MARS	1998-01-08 10:06	1053.5	0.0376841	0.0357656	0.0011777
EARTH	2009-05-23 18:04	569.6	0.1496172	0.1413001	0.0028763
EARTH	2026-03-01 16:12	< 1 s	0.0034885	0.0034871	0.0000004
EARTH	2026-07-08 23:49	29.5	0.1956667	0.1955834	0.0000278
EARTH	2045-03-03 04:53	> 1 d	0.0076406	0.0018030	0.0051137
EARTH	2045-06-25 05:16	> 1 d	0.1909507	0.1789022	0.0040336
EARTH	2054-02-21 15:40	> 1 mo	0.0609976	0.0018863	0.4891404
EARTH	2086-04-28 10:37	> 1 mo	0.1026763	0.0879476	0.4990464
EARTH	2095-03-04 22:24	> 1 mo	0.0140785	0.0020261	1.5067532
EARTH	2104-06-06 08:27	> 1 mo	0.1829177	0.1120632	35.3641167
EARTH	2117-02-14 13:12	> 1 mo	0.1589092	0.0095538	99.4911149
EARTH	2126-04-13 00:02	> 1 mo	0.0887093	0.0604442	55.0725575

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
331.37983347	55.95976240	0.00202201	MINIMUM
189.28585882	278.88002842	0.38408750	SADDLE
6.58870010	277.26338819	1.96526113	SADDLE
183.09984276	93.69744764	2.37337276	MAXIMUM

Download:

MOID Plots

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