Asteroids

2026DJ help

Last update: 2026-02-21 13:16 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.895

Aphelion (Q)

2.915

Eccentricity (e)

0.530

Inclination (i)

9.5

deg

Orbit period (P)

960.3

Earth MOID

0.01512

U parameter

8.4

Next Earth close approach

Date

2047-02-12

Nominal distance (from Earth center)

0.14596

21835539

Maximum Brightness

25.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.9

mag

Diameter

11 - 25*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-16

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.904838

1-sigma variation

0.004287

Unit

Eccentricity (e)

Value

0.530319

1-sigma variation

0.001130

Unit

Inclination (i)

Value

9.5041

1-sigma variation

0.0150

Unit

Long. of Ascending Node (Ω)

Value

330.4667

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

230.0486

1-sigma variation

0.0031

Unit

Mean Anomaly (M)

Value

311.88362

1-sigma variation

0.16804

Unit

Perihelion distance

Value

0.894667

1-sigma variation

Unit

Aphelion distance

Value

2.915009

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.064279

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.031923

1-sigma variation

Unit

MOID

Value

0.015116

1-sigma variation

Unit

Orbit Period

Value

960.2523

1-sigma variation

Unit

U parameter

Value

8.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.83746E-5	4.84291E-6	6.44055E-5	1.59682E-6	1.25864E-5	7.20326E-4
e	4.84291E-6	1.27643E-6	1.69750E-5	4.20900E-7	3.31998E-6	1.89852E-4
i	6.44055E-5	1.69750E-5	2.25754E-4	5.59644E-6	4.40779E-5	2.52485E-3
Ω	1.59682E-6	4.20900E-7	5.59644E-6	1.38994E-7	1.10489E-6	6.25967E-5
ω	1.25864E-5	3.31998E-6	4.40779E-5	1.10489E-6	9.52870E-6	4.93230E-4
M	7.20326E-4	1.89852E-4	2.52485E-3	6.25967E-5	4.93230E-4	2.82384E-2

Date of computation: 2026-02-21 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

26.897

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

11 - 25*

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

0.627272

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-16.341762

Unit

Source

[2]

Last Observation

Value

2026-02-20.552617

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

18 (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

Close Approaches for 2026DJ 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	1955-03-23 15:36	> 1 mo	0.1333064	0.0409764	0.5282496
EARTH	1976-05-07 21:19	> 1 mo	0.1764598	0.1752706	0.0502979
EARTH	1997-06-07 21:42	> 1 mo	0.1803403	0.1680348	0.1815602
EARTH	2026-02-22 23:12	< 1 min	0.0189733	0.0188715	0.0000339
EARTH	2047-02-12 15:51	> 1 w	0.1459616	0.0095903	0.4303257
EARTH	2060-06-09 04:43	> 1 mo	0.1768578	0.1643779	0.1792462
EARTH	2081-05-08 10:55	> 1 mo	0.1749462	0.1731732	0.0556179
EARTH	2102-04-04 09:23	> 1 mo	0.1546453	0.0752723	0.3453341
EARTH	2123-03-05 20:54	> 1 mo	0.0630745	0.0175717	0.6059490

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
333.88116197	52.91968319	0.01511639	MINIMUM
28.41445519	147.92596952	0.16622082	MINIMUM
11.74159390	119.03150303	0.17730562	SADDLE
2.36725837	282.01767414	1.88820801	SADDLE
181.16717996	279.80612667	1.92938564	SADDLE
180.21954342	99.28212028	3.91241979	MAXIMUM

Download:

MOID Plots

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