Asteroids

2025QD8 help

Last update: 2026-01-27 04:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.844

Aphelion (Q)

2.801

Eccentricity (e)

0.537

Inclination (i)

6.1

deg

Orbit period (P)

899.0

Earth MOID

0.00053

U parameter

3.4

Next Earth close approach

Date

2052-11-26

Nominal distance (from Earth center)

0.15473

23146892

Maximum Brightness

27.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.2

mag

Diameter

16 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-08-26

Observatory

Pan-STARRS 1, Haleakala

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

1.822932

1-sigma variation

0.000003

Unit

Eccentricity (e)

Value

0.536748

1-sigma variation

0.000001

Unit

Inclination (i)

Value

6.0835

1-sigma variation

7.395E-6

Unit

Long. of Ascending Node (Ω)

Value

340.7481

1-sigma variation

1.167E-6

Unit

Arg. of Perihelion (ω)

Value

58.1417

1-sigma variation

1.974E-5

Unit

Mean Anomaly (M)

Value

14.73516

1-sigma variation

0.00003

Unit

Perihelion distance

Value

0.844477

1-sigma variation

Unit

Aphelion distance

Value

2.801388

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.001788

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.819025

1-sigma variation

Unit

MOID

Value

0.000532

1-sigma variation

Unit

Orbit Period

Value

898.9886

1-sigma variation

Unit

U parameter

Value

3.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.61967E-12	2.13535E-12	1.91004E-11	1.10611E-13	-1.28582E-11	-7.13352E-11
e	2.13535E-12	6.02600E-13	5.37707E-12	3.30298E-14	-2.36418E-12	-2.02079E-11
i	1.91004E-11	5.37707E-12	5.46902E-11	-8.23870E-13	-2.35400E-11	-1.80213E-10
Ω	1.10611E-13	3.30298E-14	-8.23870E-13	1.36198E-12	-8.19699E-13	-1.17816E-12
ω	-1.28582E-11	-2.36418E-12	-2.35400E-11	-8.19699E-13	3.89832E-10	5.61260E-11
M	-7.13352E-11	-2.02079E-11	-1.80213E-10	-1.17816E-12	5.61260E-11	6.79115E-10

Date of computation: 2026-01-27 04:30 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

26.156

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

16 - 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

190

Unit

Source

[1]

Normalized RMS of residuals

Value

0.618004

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-16.380224

Unit

Source

[2]

Last Observation

Value

2025-09-03.450396

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

81 (5)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

2025-09-02

Unit

Source

[3]

Last Observation

Value

2025-09-02

Unit

Source

[3]

Delay (Discarded)

Value

1 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

2 (0)

Unit

Source

[1]

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
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2025QD8 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	1958-09-15 19:20	905.9	0.0802432	0.0718926	0.0027857
EARTH	1976-11-21 20:39	911.7	0.1523865	0.1503961	0.0006715
EARTH	1994-12-31 13:40	94.2	0.1514104	0.1491958	0.0007428
EARTH	2007-08-31 20:25	30.8	0.0328857	0.0322077	0.0002260
EARTH	2025-09-03 14:57	< 1 s	0.0014592	0.0014592	0.0000000
MARS	2038-06-08 17:16	11.5	0.0330352	0.0328640	0.0000576
EARTH	2052-11-26 14:09	165.1	0.1547274	0.1543000	0.0001427
EARTH	2057-08-27 06:15	49.4	0.0863058	0.0849163	0.0004632
MARS	2070-05-29 15:47	15.1	0.0440265	0.0437199	0.0001026
EARTH	2080-01-03 22:37	< 1 min	0.1355077	0.1355044	0.0000011
EARTH	2084-09-25 09:36	33.7	0.1152485	0.1150480	0.0000669
EARTH	2111-12-04 09:57	205.2	0.1460465	0.1453266	0.0002405
EARTH	2116-08-28 11:40	63.5	0.0860484	0.0842537	0.0005982

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
326.23492751	240.57810761	0.00053198	MINIMUM
31.74637652	352.58891195	0.09681669	MINIMUM
1.35674044	300.92300074	0.16983318	SADDLE
179.75966899	116.99089961	1.79911678	SADDLE
358.58148784	115.92141609	1.85117059	SADDLE
179.38665167	296.78997267	3.79126686	MAXIMUM

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MOID Plots

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