Asteroids

2026DS5 help

Last update: 2026-06-05 09:04 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.682

Aphelion (Q)

2.713

Eccentricity (e)

0.598

Inclination (i)

5.2

deg

Orbit period (P)

807.9

Earth MOID

0.01112

U parameter

8.1

Next Earth close approach

Date

2028-08-22

Nominal distance (from Earth center)

0.11085

16582917

Maximum Brightness

24.7

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

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

1.697618

1-sigma variation

0.002574

Unit

Eccentricity (e)

Value

0.598102

1-sigma variation

0.000752

Unit

Inclination (i)

Value

5.1602

1-sigma variation

0.0065

Unit

Long. of Ascending Node (Ω)

Value

150.7014

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

90.2398

1-sigma variation

0.0008

Unit

Mean Anomaly (M)

Value

23.10760

1-sigma variation

0.04188

Unit

Perihelion distance

Value

0.682270

1-sigma variation

Unit

Aphelion distance

Value

2.712966

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.104501

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.076127

1-sigma variation

Unit

MOID

Value

0.011125

1-sigma variation

Unit

Orbit Period

Value

807.9015

1-sigma variation

Unit

U parameter

Value

8.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.62355E-6	1.93564E-6	1.66312E-5	2.65150E-6	-2.05297E-6	-1.07781E-4
e	1.93564E-6	5.65665E-7	4.86023E-6	7.74858E-7	-5.99910E-7	-3.14975E-5
i	1.66312E-5	4.86023E-6	4.17610E-5	6.65944E-6	-5.15709E-6	-2.70629E-4
Ω	2.65150E-6	7.74858E-7	6.65944E-6	1.06359E-6	-8.24899E-7	-4.31461E-5
ω	-2.05297E-6	-5.99910E-7	-5.15709E-6	-8.24899E-7	6.47920E-7	3.34062E-5
M	-1.07781E-4	-3.14975E-5	-2.70629E-4	-4.31461E-5	3.34062E-5	1.75385E-3

Date of computation: 2026-06-05 09:04 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

26.42

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

[-]

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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

0.566217

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

2026-03-01.07173

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

41 (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	1953-02-26 01:48	> 1 mo	0.0364193	0.0116370	3.3590934
EARTH	1955-08-20 20:52	> 1 mo	0.0728957	0.0140455	3.7113857
EARTH	1984-02-21 02:40	> 1 w	0.1492504	0.0119917	0.4558286
EARTH	1986-08-14 22:46	> 1 mo	0.0293087	0.0132200	0.7334325
EARTH	1995-03-18 00:50	> 1 mo	0.1790088	0.0055005	0.6206839
VENUS	2024-01-15 04:23	> 1 d	0.0251677	0.0217746	0.0145528
EARTH	2026-03-01 03:22	< 1 s	0.0153367	0.0152827	0.0000180
EARTH	2028-08-22 22:56	> 1 d	0.1108500	0.0218742	0.0302302
EARTH	2059-07-30 07:54	> 1 w	0.1873468	0.0135726	0.0579265
EARTH	2068-03-02 08:21	> 1 d	0.0246058	0.0165178	0.0182623
EARTH	2070-08-25 07:00	854.6	0.1389016	0.1099728	0.0096497
EARTH	2099-03-05 19:41	> 1 w	0.0556660	0.0177150	0.1062090
EARTH	2119-02-22 04:04	> 1 d	0.1652534	0.0172045	0.0688412
EARTH	2121-08-17 22:20	> 1 d	0.0131713	0.0074849	0.0697547

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
47.72700543	220.00670693	0.01112500	MINIMUM
313.94884645	55.15027937	0.01515317	MINIMUM
1.21270996	138.01739771	0.33845128	SADDLE
1.22653651	318.06931657	1.66849730	SADDLE
180.31429154	316.93796049	1.73127021	SADDLE
180.32787061	136.95061930	3.72223393	MAXIMUM

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MOID Plots

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