Asteroids

2025DK help

Last update: 2025-02-22 05:33 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.652

Aphelion (Q)

3.280

Eccentricity (e)

0.668

Inclination (i)

5.7

deg

Orbit period (P)

1007.1

Earth MOID

0.00056

U parameter

9.0

Next Earth close approach

Date

2038-08-30

Nominal distance (from Earth center)

0.10371

15514091

Maximum Brightness

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

27.9

mag

Diameter

7 - 16*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-17

Observatory

MARGO, Nauchnyi

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.966304

1-sigma variation

0.013708

Unit

Eccentricity (e)

Value

0.668204

1-sigma variation

0.002743

Unit

Inclination (i)

Value

5.6783

1-sigma variation

0.0215

Unit

Long. of Ascending Node (Ω)

Value

327.6815

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

98.4091

1-sigma variation

0.0034

Unit

Mean Anomaly (M)

Value

44.04882

1-sigma variation

0.48924

Unit

Perihelion distance

Value

0.652411

1-sigma variation

Unit

Aphelion distance

Value

3.280197

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.194448

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.003415

1-sigma variation

Unit

MOID

Value

0.000564

1-sigma variation

Unit

Orbit Period

Value

1007.1042

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.87922E-4	3.76053E-5	2.94055E-4	-1.31756E-5	-3.84023E-5	-6.70676E-3
e	3.76053E-5	7.52531E-6	5.88449E-5	-2.63563E-6	-7.70116E-6	-1.34210E-3
i	2.94055E-4	5.88449E-5	4.60162E-4	-2.05969E-5	-6.03856E-5	-1.04945E-2
Ω	-1.31756E-5	-2.63563E-6	-2.05969E-5	9.38095E-7	2.46497E-6	4.70228E-4
ω	-3.84023E-5	-7.70116E-6	-6.03856E-5	2.46497E-6	1.17686E-5	1.37047E-3
M	-6.70676E-3	-1.34210E-3	-1.04945E-2	4.70228E-4	1.37047E-3	2.39358E-1

Date of computation: 2025-02-19 16:27 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

27.866

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

7 - 16*

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

0.821604

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-17.81421

Unit

Source

[2]

Last Observation

Value

2025-02-19.19076

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

17 (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 2025DK 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	1976-02-22 16:21	> 1 mo	0.1110900	0.0039995	612.2452247
MARS	1986-08-23 17:39	> 1 mo	0.0305502	0.0139648	210.9300347
EARTH	1995-02-16 12:39	> 1 mo	0.0030136	0.0029219	0.2361505
EARTH	2016-09-09 01:27	> 1 mo	0.0694836	0.0241577	0.4852321
EARTH	2025-02-16 11:11	< 1 min	0.0050918	0.0050345	0.0000191
EARTH	2038-08-30 19:31	> 1 mo	0.1037053	0.0264743	0.8039652
MARS	2046-11-04 06:29	> 1 mo	0.0252814	0.0228598	0.3787149
EARTH	2049-09-13 23:25	> 1 mo	0.1110642	0.0271800	1.0937258
MARS	2088-03-22 07:58	> 1 mo	0.0295504	0.0268019	0.5869839
EARTH	2094-01-27 21:01	> 1 mo	0.1955418	0.0178082	1.5045232
VENUS	2099-07-19 14:12	> 1 mo	0.0441279	0.0213746	1.5398403
VENUS	2105-01-22 20:40	> 1 w	0.0469238	0.0192115	0.1419494
EARTH	2105-02-22 07:15	> 1 w	0.0769634	0.0067768	0.1800162
EARTH	2118-09-16 16:47	> 1 mo	0.1214696	0.0322781	3.1308120

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
41.90391063	44.49450621	0.00056403	MINIMUM
316.60434212	241.11971063	0.02597160	MINIMUM
358.81694308	322.10860146	0.34366268	SADDLE
358.96842748	142.46553683	1.66349404	SADDLE
179.77006019	143.62472293	2.27413354	SADDLE
179.83461384	323.65825395	4.26330032	MAXIMUM

Download:

MOID Plots

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