Asteroids

2025QD help

Last update: 2025-08-18 14:16 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.019

Aphelion (Q)

1.583

Eccentricity (e)

0.217

Inclination (i)

1.3

deg

Orbit period (P)

542.0

Earth MOID

0.00862

U parameter

7.2

Next Earth close approach

Date

2028-06-12

Nominal distance (from Earth center)

0.12784

19125075

Maximum Brightness

25.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.6

mag

Diameter

8 - 18*

Taxonomic type

Rotation period (T)

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

1.301032

1-sigma variation

0.000318

Unit

Eccentricity (e)

Value

0.216935

1-sigma variation

0.000196

Unit

Inclination (i)

Value

1.2772

1-sigma variation

0.0008

Unit

Long. of Ascending Node (Ω)

Value

328.6562

1-sigma variation

0.0013

Unit

Arg. of Perihelion (ω)

Value

333.3463

1-sigma variation

0.0125

Unit

Mean Anomaly (M)

Value

77.84368

1-sigma variation

0.02516

Unit

Perihelion distance

Value

1.018793

1-sigma variation

Unit

Aphelion distance

Value

1.583271

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.026142

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.548837

1-sigma variation

Unit

MOID

Value

0.008622

1-sigma variation

Unit

Orbit Period

Value

542.0388

1-sigma variation

Unit

U parameter

Value

7.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.01357E-7	6.24255E-8	2.29498E-7	3.18721E-7	-2.77212E-6	-7.85566E-6
e	6.24255E-8	3.85182E-8	1.38992E-7	2.03472E-7	-1.78200E-6	-4.79709E-6
i	2.29498E-7	1.38992E-7	6.01322E-7	4.69893E-7	-3.76860E-6	-1.91651E-5
Ω	3.18721E-7	2.03472E-7	4.69893E-7	1.78494E-6	-1.63739E-5	-2.05052E-5
ω	-2.77212E-6	-1.78200E-6	-3.76860E-6	-1.63739E-5	1.55055E-4	1.71145E-4
M	-7.85566E-6	-4.79709E-6	-1.91651E-5	-2.05052E-5	1.71145E-4	6.32981E-4

Date of computation: 2025-08-18 14:16 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

27.64

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

8 - 18*

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

0.678001

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-15.487274

Unit

Source

[2]

Last Observation

Value

2025-08-17.062545

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

21 (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

Close Approaches for 2025QD 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	1965-06-18 01:19	> 1 mo	0.0596168	0.0170237	2.1193664
EARTH	1981-08-24 13:53	> 1 mo	0.0618482	0.0041429	0.8218680
EARTH	2000-08-15 10:20	> 1 w	0.0245006	0.0065943	0.0388792
EARTH	2025-08-09 20:51	< 1 min	0.0132951	0.0132694	0.0000085
EARTH	2028-06-12 10:11	716.1	0.1278432	0.1081697	0.0065714
EARTH	2065-09-01 16:07	> 1 d	0.1186122	0.0011528	0.0589298
EARTH	2068-07-04 04:02	> 1 w	0.0239092	0.0131913	0.0255198
EARTH	2096-08-28 05:01	> 1 mo	0.0716707	0.0013618	0.4346424
EARTH	2099-06-14 16:34	> 1 w	0.1217571	0.0182662	0.2109662

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
6.43879104	209.20120188	0.00862192	MINIMUM
178.97975638	19.67425533	0.59881602	SADDLE
358.55515172	19.21447551	2.00333187	SADDLE
179.05354611	199.72602252	2.60032282	MAXIMUM

Download:

MOID Plots

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