Asteroids

2025DK7 help

Last update: 2025-03-13 23:54 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.737

Aphelion (Q)

1.187

Eccentricity (e)

0.234

Inclination (i)

4.0

deg

Orbit period (P)

344.5

Earth MOID

0.00558

U parameter

6.4

Next Earth close approach

Date

2038-10-28

Nominal distance (from Earth center)

0.18928

28315813

Maximum Brightness

26.9

mag

Risk

Object is not in risk list

Object is not in priority 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.961736

1-sigma variation

0.000043

Unit

Eccentricity (e)

Value

0.234055

1-sigma variation

0.000997

Unit

Inclination (i)

Value

3.9817

1-sigma variation

0.0178

Unit

Long. of Ascending Node (Ω)

Value

342.8504

1-sigma variation

0.0038

Unit

Arg. of Perihelion (ω)

Value

296.0011

1-sigma variation

0.0120

Unit

Mean Anomaly (M)

Value

334.04253

1-sigma variation

0.09918

Unit

Perihelion distance

Value

0.736637

1-sigma variation

Unit

Aphelion distance

Value

1.186836

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.183232

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.021095

1-sigma variation

Unit

MOID

Value

0.005578

1-sigma variation

Unit

Orbit Period

Value

344.4946

1-sigma variation

Unit

U parameter

Value

6.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.82855E-9	4.25322E-8	7.61093E-7	-1.63830E-7	5.07861E-7	4.23373E-6
e	4.25322E-8	9.93513E-7	1.77792E-5	-3.82634E-6	1.19146E-5	9.88535E-5
i	7.61093E-7	1.77792E-5	3.18164E-4	-6.84744E-5	2.13225E-4	1.76900E-3
Ω	-1.63830E-7	-3.82634E-6	-6.84744E-5	1.47388E-5	-4.58819E-5	-3.80722E-4
ω	5.07861E-7	1.19146E-5	2.13225E-4	-4.58819E-5	1.43513E-4	1.18497E-3
M	4.23373E-6	9.88535E-5	1.76900E-3	-3.80722E-4	1.18497E-3	9.83625E-3

Date of computation: 2025-03-03 11:58 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

27.308

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

[-]

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

0.442778

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 16:20	> 1 d	0.0719808	0.0470502	0.0476751
EARTH	1960-03-07 07:07	1275.6	0.0119471	0.0038883	0.0386588
VENUS	1965-02-22 16:23	> 1 w	0.0358959	0.0145593	0.1660074
EARTH	1973-10-21 04:52	> 1 d	0.0506928	0.0496679	0.0189077
EARTH	1976-03-06 19:07	> 1 d	0.0562443	0.0060069	0.0940759
EARTH	1989-10-24 23:41	> 1 d	0.1114560	0.0500009	0.0911026
EARTH	1990-12-07 21:54	> 1 mo	0.1981024	0.1191449	0.0281779
EARTH	1992-02-14 11:59	> 1 mo	0.1458824	0.0295913	0.0915041
EARTH	1993-03-02 04:08	> 1 d	0.1940553	0.0052033	0.1527509
EARTH	2006-10-21 13:01	1008.2	0.1025747	0.0626537	0.0153454
EARTH	2009-03-07 13:29	501.0	0.0218094	0.0053138	0.0102297
VENUS	2009-06-10 13:48	> 1 d	0.0363317	0.0114948	0.0141780
EARTH	2022-10-21 19:45	144.5	0.0564476	0.0509479	0.0023718
EARTH	2025-03-08 03:22	< 1 min	0.0246214	0.0243171	0.0001014
EARTH	2038-10-28 20:02	169.1	0.1892795	0.1807635	0.0028413
EARTH	2039-09-19 02:17	> 1 d	0.1755896	0.1695679	0.0020294
EARTH	2039-11-17 12:33	> 1 d	0.1636179	0.1593272	0.0014343
EARTH	2041-01-23 09:02	> 1 d	0.1933108	0.1852850	0.0026808
EARTH	2042-03-06 13:25	263.7	0.0850445	0.0639893	0.0070250
EARTH	2055-10-22 16:30	48.2	0.0512737	0.0510040	0.0002554
EARTH	2058-03-02 15:24	270.2	0.0976167	0.0958553	0.0005873
EARTH	2072-10-20 07:59	41.5	0.0786102	0.0558017	0.0089960
EARTH	2075-03-08 19:40	120.5	0.0291542	0.0088933	0.0073101
VENUS	2080-02-18 10:07	> 1 d	0.0478631	0.0352024	0.0043318
EARTH	2089-10-21 00:28	> 1 d	0.1003496	0.0501995	0.0224901
EARTH	2092-03-07 17:45	335.5	0.0066898	0.0066277	0.0044872
VENUS	2094-04-16 21:58	> 1 mo	0.0345524	0.0014247	0.4923129
EARTH	2105-11-13 01:00	> 1 mo	0.1487648	0.0423001	1.8121830
EARTH	2107-01-26 16:04	> 1 mo	0.1856670	0.0720530	0.9870353
EARTH	2108-03-05 11:18	> 1 mo	0.1229176	0.0073061	3.0437758
EARTH	2120-10-26 16:33	> 1 mo	0.1084295	0.0494532	2.1285874
EARTH	2121-12-11 18:57	> 1 mo	0.1989274	0.0929853	0.6075060
EARTH	2123-02-20 18:52	> 1 mo	0.1306047	0.0235915	2.8312301

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
261.67083261	64.26179558	0.00557842	MINIMUM
95.88271331	286.64432626	0.04992400	MINIMUM
178.17076891	355.29232481	0.21422246	SADDLE
358.86863532	175.12371922	0.28487744	SADDLE
0.04351626	356.65395532	1.71948380	SADDLE
180.38462180	177.01693536	2.20205141	MAXIMUM

Download:

MOID Plots

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