Asteroids

2025DK7 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.737

Aphelion (Q)

1.187

Eccentricity (e)

0.234

Inclination (i)

4.0

deg

Orbit period (P)

344.6

Earth MOID

0.00553

U parameter

6.5

Next Earth close approach

Date

2038-10-28

Nominal distance (from Earth center)

0.18928

28315828

Maximum Brightness

26.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.3

mag

Diameter

9 - 21*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-21

Observatory

Kitt Peak-Bok

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

0.961999

1-sigma variation

0.000052

Unit

Eccentricity (e)

Value

0.234167

1-sigma variation

0.001002

Unit

Inclination (i)

Value

3.9811

1-sigma variation

0.0178

Unit

Long. of Ascending Node (Ω)

Value

342.8433

1-sigma variation

0.0039

Unit

Arg. of Perihelion (ω)

Value

296.0381

1-sigma variation

0.0129

Unit

Mean Anomaly (M)

Value

182.95459

1-sigma variation

0.08206

Unit

Perihelion distance

Value

0.736731

1-sigma variation

Unit

Aphelion distance

Value

1.187267

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.184353

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.021016

1-sigma variation

Unit

MOID

Value

0.005535

1-sigma variation

Unit

Orbit Period

Value

344.6357

1-sigma variation

Unit

U parameter

Value

6.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.72413E-9	5.22273E-8	9.27702E-7	-2.03359E-7	6.70439E-7	4.27611E-6
e	5.22273E-8	1.00415E-6	1.78371E-5	-3.90940E-6	1.29325E-5	8.22282E-5
i	9.27702E-7	1.78371E-5	3.16849E-4	-6.94453E-5	2.29735E-4	1.46065E-3
Ω	-2.03359E-7	-3.90940E-6	-6.94453E-5	1.52226E-5	-5.03443E-5	-3.20132E-4
ω	6.70439E-7	1.29325E-5	2.29735E-4	-5.03443E-5	1.67188E-4	1.05922E-3
M	4.27611E-6	8.22282E-5	1.46065E-3	-3.20132E-4	1.05922E-3	6.73360E-3

Date of computation: 2025-09-10 00:30 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

27.271

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

9 - 21*

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

207

Unit

Source

[1]

Normalized RMS of residuals

Value

0.442788

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-21.3899

Unit

Source

[2]

Last Observation

Value

2025-03-03.177367

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 2025DK7 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	1957-10-24 16:19	> 1 d	0.0719708	0.0470438	0.0476389
EARTH	1960-03-07 07:07	1278.5	0.0119548	0.0038898	0.0386979
VENUS	1965-02-22 16:15	> 1 w	0.0358632	0.0145657	0.1659180
EARTH	1973-10-21 04:52	> 1 d	0.0506966	0.0496680	0.0189221
EARTH	1976-03-06 19:09	> 1 d	0.0562262	0.0060064	0.0939280
EARTH	1989-10-24 23:42	> 1 d	0.1114737	0.0500011	0.0911659
EARTH	1990-12-07 21:47	> 1 mo	0.1980970	0.1190802	0.0282009
EARTH	1992-02-14 11:49	> 1 mo	0.1459003	0.0296048	0.0915054
EARTH	1993-03-02 04:10	> 1 d	0.1940254	0.0052027	0.1527671
EARTH	2006-10-21 13:01	1007.7	0.1025719	0.0626565	0.0153430
EARTH	2009-03-07 13:29	501.0	0.0218113	0.0053139	0.0102294
VENUS	2009-06-10 13:47	> 1 d	0.0363287	0.0114952	0.0141775
EARTH	2022-10-21 19:45	144.5	0.0564482	0.0509482	0.0023718
EARTH	2025-03-08 03:22	< 1 min	0.0246214	0.0243171	0.0001014
EARTH	2038-10-28 20:02	169.1	0.1892796	0.1807633	0.0028413
EARTH	2039-09-19 02:17	> 1 d	0.1755896	0.1695677	0.0020295
EARTH	2039-11-17 12:32	> 1 d	0.1636180	0.1593270	0.0014343
EARTH	2041-01-23 09:02	> 1 d	0.1933113	0.1852855	0.0026808
EARTH	2042-03-06 13:25	263.7	0.0850433	0.0639879	0.0070251
EARTH	2055-10-22 16:30	48.2	0.0512736	0.0510040	0.0002554
EARTH	2058-03-02 15:24	270.2	0.0976169	0.0958549	0.0005875
EARTH	2072-10-20 07:59	41.6	0.0786119	0.0558023	0.0089964
EARTH	2075-03-08 19:40	120.4	0.0291531	0.0088921	0.0073103
VENUS	2080-02-18 10:08	> 1 d	0.0478626	0.0351986	0.0043330
EARTH	2089-10-21 00:28	> 1 d	0.1003463	0.0501971	0.0224925
EARTH	2092-03-07 17:45	335.4	0.0066890	0.0066277	0.0044595
VENUS	2094-04-16 22:50	> 1 mo	0.0344707	0.0015206	0.4925442
EARTH	2105-11-12 21:20	> 1 mo	0.1484631	0.0422733	1.8207766
EARTH	2107-01-26 13:46	> 1 mo	0.1858310	0.0723141	0.9843646
EARTH	2108-03-05 11:41	> 1 mo	0.1224111	0.0073072	3.0473192
EARTH	2120-10-26 16:11	> 1 mo	0.1080799	0.0494622	2.0766787
EARTH	2121-12-11 21:15	> 1 mo	0.1990271	0.0935358	0.5902277
EARTH	2123-02-20 22:44	> 1 mo	0.1301376	0.0233787	2.7910513

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
261.67084321	64.26179429	0.00557843	MINIMUM
95.88269870	286.64433153	0.04992409	MINIMUM
178.17076677	355.29232760	0.21422275	SADDLE
358.86863303	175.12372001	0.28487770	SADDLE
0.04351516	356.65395811	1.71948354	SADDLE
180.38462175	177.01693930	2.20205167	MAXIMUM

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MOID Plots

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