Asteroids

2026DX6 help

Last update: 2026-03-18 10:55 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.886

Aphelion (Q)

1.427

Eccentricity (e)

0.234

Inclination (i)

0.3

deg

Orbit period (P)

454.2

Earth MOID

0.00336

U parameter

6.9

Next Earth close approach

Date

2031-02-19

Nominal distance (from Earth center)

0.16757

25068384

Maximum Brightness

27.4

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

28.4

mag

Diameter

6 - 13*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-23

Observatory

University of Arizona 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

1.156431

1-sigma variation

0.000148

Unit

Eccentricity (e)

Value

0.233883

1-sigma variation

0.000143

Unit

Inclination (i)

Value

0.2547

1-sigma variation

0.0001

Unit

Long. of Ascending Node (Ω)

Value

248.6057

1-sigma variation

0.0915

Unit

Arg. of Perihelion (ω)

Value

337.5328

1-sigma variation

0.0914

Unit

Mean Anomaly (M)

Value

35.91658

1-sigma variation

0.00260

Unit

Perihelion distance

Value

0.885962

1-sigma variation

Unit

Aphelion distance

Value

1.426901

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.113907

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.405906

1-sigma variation

Unit

MOID

Value

0.003365

1-sigma variation

Unit

Orbit Period

Value

454.2324

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.20031E-8	2.12674E-8	1.64846E-8	1.34606E-5	-1.34374E-5	-3.84771E-7
e	2.12674E-8	2.05591E-8	1.59284E-8	1.29916E-5	-1.29685E-5	-3.72142E-7
i	1.64846E-8	1.59284E-8	1.23608E-8	1.01221E-5	-1.01058E-5	-2.87878E-7
Ω	1.34606E-5	1.29916E-5	1.01221E-5	8.37618E-3	-8.36615E-3	-2.33873E-4
ω	-1.34374E-5	-1.29685E-5	-1.01058E-5	-8.36615E-3	8.35628E-3	2.33415E-4
M	-3.84771E-7	-3.72142E-7	-2.87878E-7	-2.33873E-4	2.33415E-4	6.74820E-6

Date of computation: 2026-03-18 10:55 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

28.364

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 - 13*

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

[-]

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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

0.55043

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-23.27786

Unit

Source

[2]

Last Observation

Value

2026-02-28.39034

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

35 (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 2026DX6 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	1961-02-16 14:02	> 1 mo	0.1560083	0.0039766	96.3331859
EARTH	1966-02-26 23:29	> 1 mo	0.0092939	0.0041091	3.9149175
EARTH	1971-02-16 09:52	> 1 mo	0.1712990	0.0039566	4.3177636
EARTH	1992-07-28 20:05	> 1 mo	0.1716175	0.0003479	0.9225155
EARTH	1997-07-17 21:47	> 1 d	0.0088490	0.0000207	0.0252763
EARTH	2002-07-30 16:39	1433.5	0.1918791	0.1210599	0.0236064
EARTH	2021-02-18 04:22	335.9	0.1886438	0.1712422	0.0058007
EARTH	2026-03-02 21:53	< 1 min	0.0051364	0.0051279	0.0000028
EARTH	2031-02-19 23:33	369.0	0.1675718	0.1493434	0.0060764
EARTH	2052-07-31 04:46	> 1 d	0.1524075	0.0754068	0.0256740
EARTH	2057-07-19 07:47	> 1 d	0.0086419	0.0033278	0.0239465
EARTH	2062-03-05 06:19	> 1 mo	0.0310677	0.0033488	0.5682694
MARS	2064-01-29 11:02	> 1 w	0.0324955	0.0076732	0.0745057
EARTH	2078-07-16 23:35	> 1 mo	0.0226335	0.0035558	2.1260681
EARTH	2083-02-27 09:46	> 1 mo	0.0098381	0.0035540	6.5258513
EARTH	2089-07-31 10:18	> 1 mo	0.1280954	0.0047552	188.9533474
EARTH	2094-02-19 12:36	> 1 mo	0.1236672	0.0036211	306.2732543
EARTH	2100-07-24 19:08	> 1 mo	0.0180278	0.0042005	335.8594375
EARTH	2105-02-23 20:02	> 1 mo	0.0851050	0.0030672	2433.9688785
EARTH	2116-04-15 03:45	> 1 mo	0.1138088	0.0097466	2470.4283369

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
58.80980880	193.09529317	0.00336488	MINIMUM
307.68216746	57.05510296	0.00441757	MINIMUM
3.67237683	125.51162845	0.12336361	SADDLE
182.28049945	304.08393684	0.43588442	SADDLE
3.61521474	305.45547592	1.87681346	SADDLE
182.32672169	124.13042719	2.43604323	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2026DX6

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2076-03-07.545	79369.545	1.134	0.51 ± 0.040	6.53E5	1.23E-6	1.17E-2	-7.64
2083-02-28.283	81918.283	0.245	1.56 ± 0.032	1.04E6	9.74E-7	1.17E-2	-7.79
2083-03-03.003	81921.003	-1.139	0.16 ± 0.035	3.80E6	2.17E-7	1.17E-2	-8.45
2088-02-28.529	83744.529	0.245	1.86 ± 0.032	4.33E7	1.30E-8	1.17E-2	-9.70
2088-02-29.011	83745.011	0.248	0.57 ± 0.033	5.32E6	2.76E-7	1.17E-2	-8.37
2088-02-29.973	83745.973	0.243	1.62 ± 0.033	3.58E6	2.63E-7	1.17E-2	-8.40
2090-03-08.258	84483.258	1.133	1.74 ± 0.042	1.02E7	3.93E-8	1.17E-2	-9.24
2093-03-01.551	85572.551	1.164	0.77 ± 0.030	1.12E6	6.71E-7	1.17E-2	-8.03
2098-03-01.733	87398.733	1.164	1.23 ± 0.030	4.39E7	1.49E-8	1.17E-2	-9.71
2107-03-01.845	90684.845	0.251	1.91 ± 0.025	1.80E7	2.20E-8	1.17E-2	-9.59
2110-03-08.021	91787.021	0.379	0.40 ± 0.037	3.55E5	4.04E-6	1.17E-2	-7.35
2115-03-08.180	93613.180	0.380	0.34 ± 0.039	6.28E6	2.31E-7	1.17E-2	-8.61
2119-03-05.928	95071.928	-0.207	1.15 ± 0.024	8.82E7	1.43E-8	1.17E-2	-9.84
2119-03-08.129	95074.129	0.379	1.49 ± 0.000	9.66E7	1.48E-8	1.17E-2	-9.82


Based on 35 optical observations (of which 0 are rejected as outliers) from 2026/02/23.278 to 2026/02/28.390.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.97 and 1.97 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20260228 134804.895 UTC.

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