Asteroids

2026DT8 help

Last update: 2026-02-26 08:45 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.705

Aphelion (Q)

1.031

Eccentricity (e)

0.188

Inclination (i)

6.9

deg

Orbit period (P)

295.3

Earth MOID

0.02964

U parameter

7.3

Next Earth close approach

Date

2030-01-07

Nominal distance (from Earth center)

0.15404

23044090

Maximum Brightness

26.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.2

mag

Diameter

10 - 22*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-24

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

0.867868

1-sigma variation

0.000144

Unit

Eccentricity (e)

Value

0.187507

1-sigma variation

0.000277

Unit

Inclination (i)

Value

6.9216

1-sigma variation

0.0119

Unit

Long. of Ascending Node (Ω)

Value

335.0508

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

348.3226

1-sigma variation

0.0123

Unit

Mean Anomaly (M)

Value

81.79847

1-sigma variation

0.01861

Unit

Perihelion distance

Value

0.705137

1-sigma variation

Unit

Aphelion distance

Value

1.030599

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.303441

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.035269

1-sigma variation

Unit

MOID

Value

0.029644

1-sigma variation

Unit

Orbit Period

Value

295.3104

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.06978E-8	-3.98890E-8	-1.70324E-6	-1.38957E-7	9.15728E-7	1.53828E-6
e	-3.98890E-8	7.69188E-8	3.27472E-6	2.66909E-7	-1.83341E-6	-2.86506E-6
i	-1.70324E-6	3.27472E-6	1.41771E-4	1.16166E-5	-6.23396E-5	-1.45454E-4
Ω	-1.38957E-7	2.66909E-7	1.16166E-5	9.53572E-7	-4.67368E-6	-1.24647E-5
ω	9.15728E-7	-1.83341E-6	-6.23396E-5	-4.67368E-6	1.50851E-4	-9.19200E-5
M	1.53828E-6	-2.86506E-6	-1.45454E-4	-1.24647E-5	-9.19200E-5	3.46281E-4

Date of computation: 2026-02-26 08:45 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

27.167

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

10 - 22*

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

0.389739

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-24.318258

Unit

Source

[2]

Last Observation

Value

2026-02-26.12842

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (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 2026DT8 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
VENUS	1952-10-26 17:55	> 1 d	0.0496446	0.0300412	0.0081962
EARTH	1954-03-17 17:23	9.7	0.1714963	0.1398090	0.0106460
EARTH	1958-02-19 13:14	> 1 d	0.0472500	0.0398982	0.0051956
EARTH	1962-01-07 08:01	103.9	0.1853365	0.1432775	0.0148459
EARTH	1975-03-02 11:09	> 1 d	0.0339843	0.0325218	0.0021970
EARTH	1979-01-07 04:01	136.8	0.1660234	0.1380716	0.0097912
EARTH	1992-02-18 13:55	1335.7	0.0499658	0.0487453	0.0005045
VENUS	1998-12-22 07:55	1232.7	0.0279529	0.0232494	0.0024360
EARTH	2005-03-17 00:28	214.0	0.1612977	0.1313950	0.0100727
EARTH	2009-02-09 21:09	> 1 d	0.0579260	0.0487733	0.0046831
VENUS	2014-05-07 23:30	> 1 d	0.0341009	0.0235224	0.0133249
EARTH	2026-03-02 12:09	2.8	0.0313768	0.0312312	0.0000485
EARTH	2030-01-07 02:07	122.8	0.1540402	0.1398178	0.0048853
VENUS	2042-09-14 04:41	> 1 d	0.0479031	0.0323827	0.0148602
EARTH	2043-03-10 12:53	> 1 d	0.0381621	0.0328078	0.0080673
EARTH	2047-01-09 07:55	> 1 d	0.1165358	0.0864231	0.0149926
VENUS	2058-01-21 03:01	> 1 d	0.0253878	0.0218936	0.0124079
EARTH	2060-03-13 05:30	> 1 d	0.0558819	0.0367542	0.0209641
EARTH	2064-01-11 22:46	> 1 d	0.0992841	0.0818094	0.0175920
VENUS	2073-06-10 09:53	> 1 w	0.0299431	0.0235604	0.0250629
EARTH	2077-03-11 21:41	> 1 d	0.0454572	0.0358456	0.0204192
EARTH	2081-01-08 11:58	> 1 d	0.1111055	0.0864210	0.0199272
EARTH	2094-03-06 19:59	1415.5	0.0341398	0.0341304	0.0000514
EARTH	2098-01-06 02:55	277.6	0.1423121	0.1378879	0.0014787
EARTH	2111-02-28 01:40	> 1 d	0.0388923	0.0367992	0.0037334
EARTH	2115-01-06 20:35	214.3	0.1732471	0.1184479	0.0195073
VENUS	2122-01-04 14:35	> 1 d	0.0283271	0.0228793	0.0136862

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
204.69669871	61.67624583	0.02964442	MINIMUM
350.87155666	211.94196398	0.31088160	SADDLE
354.91889348	36.87724756	1.69237629	SADDLE
177.28857812	219.30041017	2.04433292	MAXIMUM

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MOID Plots

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