Asteroids

2025DU29 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Amor

Perihelion (q)

1.096

Aphelion (Q)

1.400

Eccentricity (e)

0.122

Inclination (i)

29.4

deg

Orbit period (P)

509.0

Earth MOID

0.13338

U parameter

7.8

Next Earth close approach

Date

2064-03-15

Nominal distance (from Earth center)

0.15743

23550986

Maximum Brightness

21.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.3

mag

Diameter

40 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-26

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.247632

1-sigma variation

0.000688

Unit

Eccentricity (e)

Value

0.121934

1-sigma variation

0.000357

Unit

Inclination (i)

Value

29.4266

1-sigma variation

0.0291

Unit

Long. of Ascending Node (Ω)

Value

352.1120

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

223.6050

1-sigma variation

0.0770

Unit

Mean Anomaly (M)

Value

286.28700

1-sigma variation

0.17706

Unit

Perihelion distance

Value

1.095504

1-sigma variation

Unit

Aphelion distance

Value

1.399761

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.341846

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.135759

1-sigma variation

Unit

MOID

Value

0.133382

1-sigma variation

Unit

Orbit Period

Value

509.0124

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.73025E-7	2.45627E-7	1.99904E-5	3.02687E-7	-5.29748E-5	-1.21773E-4
e	2.45627E-7	1.27547E-7	1.03804E-5	1.57178E-7	-2.75077E-5	-6.32333E-5
i	1.99904E-5	1.03804E-5	8.44817E-4	1.27917E-5	-2.23873E-3	-5.14624E-3
Ω	3.02687E-7	1.57178E-7	1.27917E-5	1.93792E-7	-3.38969E-5	-7.79233E-5
ω	-5.29748E-5	-2.75077E-5	-2.23873E-3	-3.38969E-5	5.93306E-3	1.36373E-2
M	-1.21773E-4	-6.32333E-5	-5.14624E-3	-7.79233E-5	1.36373E-2	3.13488E-2

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

24.265

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

40 - 80*

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

414

Unit

Source

[1]

Normalized RMS of residuals

Value

0.506897

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-26.372562

Unit

Source

[2]

Last Observation

Value

2025-03-22.07579

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (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

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 2025DU29 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	1979-03-15 14:36	770.7	0.1743967	0.1365490	0.1449719
EARTH	1986-03-15 02:22	1266.3	0.1525844	0.1339461	0.0889781
MARS	1986-10-17 02:36	> 1 d	0.0448083	0.0430006	0.0440898
MARS	2024-05-29 23:53	171.6	0.0432734	0.0405743	0.0015007
EARTH	2025-03-15 06:08	< 1 min	0.1332055	0.1328006	0.0001350
MARS	2062-01-10 21:56	> 1 d	0.0492776	0.0432014	0.0715171
EARTH	2064-03-15 04:10	315.7	0.1574286	0.1347668	0.0953170
EARTH	2071-03-15 11:58	> 1 d	0.1680415	0.1354982	0.1327444
EARTH	2110-03-16 18:20	> 1 d	0.1337577	0.1335049	0.0247402

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
323.43079161	72.29286576	0.13203404	MINIMUM
121.80688648	243.80765040	0.33095453	MINIMUM
45.71553679	165.82336144	0.55946088	SADDLE
222.37171308	331.44457117	0.69133375	SADDLE
24.89056287	319.30684054	2.03596862	SADDLE
164.03224060	97.75433294	2.37943579	MAXIMUM

Download:

MOID Plots

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