Asteroids

2026DS5 help

Last update: 2026-02-28 13:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.683

Aphelion (Q)

2.710

Eccentricity (e)

0.598

Inclination (i)

5.2

deg

Orbit period (P)

807.1

Earth MOID

0.01133

U parameter

8.3

Next Earth close approach

Date

2028-08-21

Nominal distance (from Earth center)

0.08582

12838868

Maximum Brightness

24.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.4

mag

Diameter

14 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2026-02-23

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

1.696546

1-sigma variation

0.002998

Unit

Eccentricity (e)

Value

0.597567

1-sigma variation

0.000878

Unit

Inclination (i)

Value

5.1886

1-sigma variation

0.0075

Unit

Long. of Ascending Node (Ω)

Value

150.7732

1-sigma variation

0.0009

Unit

Arg. of Perihelion (ω)

Value

90.1253

1-sigma variation

0.0006

Unit

Mean Anomaly (M)

Value

293.92293

1-sigma variation

0.18762

Unit

Perihelion distance

Value

0.682746

1-sigma variation

Unit

Aphelion distance

Value

2.710345

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.102874

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.077235

1-sigma variation

Unit

MOID

Value

0.011326

1-sigma variation

Unit

Orbit Period

Value

807.1360

1-sigma variation

Unit

U parameter

Value

8.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.98892E-6	2.63386E-6	2.23428E-5	2.72439E-6	-1.60895E-6	5.62521E-4
e	2.63386E-6	7.71754E-7	6.54667E-6	7.98239E-7	-4.71269E-7	1.64826E-4
i	2.23428E-5	6.54667E-6	5.55445E-5	6.77935E-6	-4.01494E-6	1.39820E-3
Ω	2.72439E-6	7.98239E-7	6.77935E-6	8.32343E-7	-5.01257E-7	1.70491E-4
ω	-1.60895E-6	-4.71269E-7	-4.01494E-6	-5.01257E-7	3.34416E-7	-1.00688E-4
M	5.62521E-4	1.64826E-4	1.39820E-3	1.70491E-4	-1.00688E-4	3.52023E-2

Date of computation: 2026-02-28 13:00 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

26.422

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

14 - 30*

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

0.462398

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2026-02-23.297366

Unit

Source

[2]

Last Observation

Value

2026-02-27.979525

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

31 (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 2026DS5 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	1973-02-28 10:52	> 1 mo	0.0128135	0.0127144	0.3502217
EARTH	1975-08-22 02:34	> 1 mo	0.0944545	0.0134906	2.4031807
VENUS	1986-07-04 08:46	> 1 mo	0.0222546	0.0219950	0.0444713
MARS	1986-10-18 11:40	> 1 w	0.0391115	0.0048559	0.2587597
EARTH	2017-08-03 07:19	> 1 w	0.1556305	0.0068191	0.1202152
VENUS	2024-01-20 03:02	> 1 w	0.0413994	0.0185384	0.0243462
EARTH	2026-03-01 03:22	< 1 min	0.0153221	0.0152590	0.0000210
EARTH	2028-08-21 13:40	> 1 d	0.0858225	0.0106016	0.0350835
MARS	2037-08-01 05:17	> 1 d	0.0209223	0.0080041	0.1292602
EARTH	2070-08-06 15:27	> 1 w	0.1327226	0.0065038	0.2301024
VENUS	2072-08-18 03:36	> 1 mo	0.0264784	0.0227794	0.1282778
EARTH	2079-02-27 17:52	> 1 mo	0.0402151	0.0170687	0.5558991
EARTH	2081-08-18 06:45	> 1 mo	0.0152870	0.0086760	0.4120656
EARTH	2090-03-17 20:19	> 1 mo	0.1739641	0.0099453	1.9884677
EARTH	2121-02-22 01:39	> 1 mo	0.1654820	0.0179942	9.3037531
EARTH	2123-08-14 11:45	> 1 mo	0.0694892	0.0061299	6.6670251

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
47.77354617	223.14262481	0.01132633	MINIMUM
313.86730905	58.08518836	0.01500419	MINIMUM
1.18816928	141.04551976	0.33981668	SADDLE
1.19730139	321.08931933	1.66856003	SADDLE
180.30827713	319.98654911	1.72911917	SADDLE
180.32147473	139.99939727	3.72133895	MAXIMUM

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MOID Plots

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