Asteroids

2025DU7 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.959

Aphelion (Q)

1.082

Eccentricity (e)

0.060

Inclination (i)

4.3

deg

Orbit period (P)

376.4

Earth MOID

0.00413

U parameter

4.0

Next Earth close approach

Date

2026-08-19

Nominal distance (from Earth center)

0.02239

3349841

Maximum Brightness

22.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

29.5

mag

Diameter

3 - 8*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-25

Observatory

University of Arizona Catalina Sky Survey

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.020238

1-sigma variation

0.000002

Unit

Eccentricity (e)

Value

0.060282

1-sigma variation

0.000006

Unit

Inclination (i)

Value

4.3063

1-sigma variation

0.0006

Unit

Long. of Ascending Node (Ω)

Value

336.8517

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

249.3895

1-sigma variation

0.0019

Unit

Mean Anomaly (M)

Value

25.17321

1-sigma variation

0.00264

Unit

Perihelion distance

Value

0.958737

1-sigma variation

Unit

Aphelion distance

Value

1.081740

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.028396

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.005581

1-sigma variation

Unit

MOID

Value

0.004131

1-sigma variation

Unit

Orbit Period

Value

376.4011

1-sigma variation

Unit

U parameter

Value

4.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.62529E-12	9.36620E-12	9.75449E-10	5.70932E-10	2.86704E-9	-4.13494E-9
e	9.36620E-12	3.47271E-11	3.68796E-9	2.14315E-9	1.10624E-8	-1.55226E-8
i	9.75449E-10	3.68796E-9	3.97427E-7	2.29820E-7	1.19874E-6	-1.66064E-6
Ω	5.70932E-10	2.14315E-9	2.29820E-7	1.33122E-7	6.91589E-7	-9.62544E-7
ω	2.86704E-9	1.10624E-8	1.19874E-6	6.91589E-7	3.66201E-6	-5.00692E-6
M	-4.13494E-9	-1.55226E-8	-1.66064E-6	-9.62544E-7	-5.00692E-6	6.96759E-6

Date of computation: 2026-03-17 23:26 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

29.478

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

3 - 8*

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

461

Unit

Source

[1]

Normalized RMS of residuals

Value

0.689128

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-25.304135

Unit

Source

[2]

Last Observation

Value

2025-02-28.412846

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

84 (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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2025DU7 from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1976-02-26 13:44	125.7	0.1444451	0.1419967	0.0008162
EARTH	1977-02-28 15:57	115.0	0.0475562	0.0473872	0.0000566
EARTH	1978-03-02 05:29	12.1	0.0234396	0.0208742	0.0008591
EARTH	1978-12-08 16:49	1090.8	0.1100527	0.1100368	0.0000055
EARTH	1979-09-08 05:23	147.4	0.0609376	0.0603678	0.0001902
EARTH	1980-08-24 06:27	16.8	0.0380732	0.0356021	0.0008288
EARTH	1981-08-25 21:44	18.0	0.1641846	0.1613837	0.0009337
EARTH	2024-02-25 21:46	1.4	0.1259005	0.1258172	0.0000278
EARTH	2025-02-28 12:27	< 1 min	0.0045807	0.0045792	0.0000005
EARTH	2025-11-18 03:01	6.9	0.1191202	0.1190789	0.0000138
EARTH	2026-08-19 21:31	2.9	0.0223923	0.0223844	0.0000027
EARTH	2027-08-19 05:54	1.8	0.1710212	0.1709647	0.0000188
EARTH	2059-02-24 14:34	25.3	0.0606141	0.0590872	0.0005090
EARTH	2060-01-09 18:36	541.4	0.1011683	0.1006447	0.0001748
EARTH	2060-05-17 15:40	733.1	0.0911810	0.0910273	0.0000513
EARTH	2060-09-19 04:26	219.0	0.0821147	0.0816963	0.0001395
EARTH	2061-08-16 18:20	27.4	0.0745697	0.0745110	0.0000196
EARTH	2094-02-20 11:18	213.9	0.1517007	0.1306554	0.0070152
EARTH	2095-02-27 18:59	561.8	0.0258990	0.0063957	0.0066829
EARTH	2095-10-22 04:28	423.8	0.1132332	0.1098872	0.0011553
EARTH	2096-08-12 01:09	> 1 d	0.0519977	0.0344341	0.0060985
EARTH	2123-02-26 07:43	> 1 d	0.0341638	0.0054931	0.1957217
EARTH	2123-12-05 02:49	553.2	0.1185027	0.0719263	0.0183368
EARTH	2124-08-21 09:57	> 1 mo	0.0367397	0.0304616	0.0643565
EARTH	2125-08-16 09:04	> 1 w	0.1452050	0.0153490	0.3178731

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
295.09490814	56.46516762	0.00309714	MINIMUM
96.69008919	226.18684338	0.01940183	MINIMUM
16.77478261	142.51667005	0.09155763	SADDLE
195.18276322	320.23625584	0.11937286	SADDLE
11.97339817	317.35943416	1.94628684	SADDLE
190.39980513	135.78210755	2.09143069	MAXIMUM

Download:

MOID Plots

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