Asteroids

2025QD8 help

Last update: 2025-09-10 14:45 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.844

Aphelion (Q)

2.802

Eccentricity (e)

0.537

Inclination (i)

6.1

deg

Orbit period (P)

899.3

Earth MOID

0.00053

U parameter

6.3

Next Earth close approach

Date

2052-12-12

Nominal distance (from Earth center)

0.12541

18761777

Maximum Brightness

25.5

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

1.823347

1-sigma variation

0.000189

Unit

Eccentricity (e)

Value

0.536863

1-sigma variation

0.000052

Unit

Inclination (i)

Value

6.0846

1-sigma variation

0.0005

Unit

Long. of Ascending Node (Ω)

Value

340.7481

1-sigma variation

9.825E-6

Unit

Arg. of Perihelion (ω)

Value

58.1405

1-sigma variation

0.0006

Unit

Mean Anomaly (M)

Value

14.73135

1-sigma variation

0.00173

Unit

Perihelion distance

Value

0.844460

1-sigma variation

Unit

Aphelion distance

Value

2.802234

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.001789

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.819302

1-sigma variation

Unit

MOID

Value

0.000532

1-sigma variation

Unit

Orbit Period

Value

899.2956

1-sigma variation

Unit

U parameter

Value

6.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.57014E-8	9.83714E-9	9.14751E-8	1.84375E-9	-1.06524E-7	-3.26931E-7
e	9.83714E-9	2.71052E-9	2.52050E-8	5.08024E-10	-2.93504E-8	-9.00825E-8
i	9.14751E-8	2.52050E-8	2.34387E-7	4.72305E-9	-2.72931E-7	-8.37673E-7
Ω	1.84375E-9	5.08024E-10	4.72305E-9	9.65357E-11	-5.50260E-9	-1.68839E-8
ω	-1.06524E-7	-2.93504E-8	-2.72931E-7	-5.50260E-9	3.18213E-7	9.75419E-7
M	-3.26931E-7	-9.00825E-8	-8.37673E-7	-1.68839E-8	9.75419E-7	2.99384E-6

Date of computation: 2025-09-10 14:45 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

26.155

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.689361

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 (3)

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

Close Approaches for 2025QD8 from 1950 to 2125

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1958-11-13 13:09	> 1 w	0.1611612	0.1443717	0.0085786
EARTH	1976-12-19 20:17	> 1 d	0.1034282	0.1029355	0.0017718
EARTH	1995-01-03 19:25	101.6	0.1898873	0.1859699	0.0013115
EARTH	2007-08-28 20:22	> 1 d	0.0667132	0.0200378	0.0155623
EARTH	2025-09-03 14:57	< 1 s	0.0014595	0.0014591	0.0000001
MARS	2038-06-09 22:04	784.1	0.0297557	0.0294579	0.0012312
EARTH	2052-12-12 10:43	> 1 d	0.1254147	0.0974502	0.0152191
EARTH	2057-09-02 19:25	> 1 d	0.0111765	0.0020630	0.0346001
EARTH	2075-01-05 04:44	> 1 mo	0.1475196	0.0946824	1.5744396
EARTH	2079-09-03 23:30	> 1 mo	0.0087948	0.0033325	2.1377720
MARS	2084-05-23 11:06	> 1 mo	0.0499315	0.0475433	12.2817364
EARTH	2096-08-25 10:25	> 1 mo	0.1147769	0.0009340	162.4196622
EARTH	2109-01-05 01:56	> 1 mo	0.1279087	0.0929868	134.2465577
EARTH	2125-12-23 02:26	> 1 mo	0.1044885	0.0925095	74.9428264

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
326.24085764	240.57814688	0.00053211	MINIMUM
31.74101116	352.58697322	0.09683491	MINIMUM
1.35703656	300.92271355	0.16985411	SADDLE
179.75985983	116.98986708	1.79996429	SADDLE
358.58196348	115.92064369	1.85115332	SADDLE
179.38696305	296.78903819	3.79211218	MAXIMUM

Download:

MOID Plots

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