Asteroids

2025DU24 help

Last update: 2026-07-30 14:25 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Aten

Perihelion (q)

0.853

Aphelion (Q)

1.062

Eccentricity (e)

0.110

Inclination (i)

3.3

deg

Orbit period (P)

342.2

Earth MOID

0.01969

U parameter

6.0

Next Earth close approach

Date

2038-11-28

Nominal distance (from Earth center)

0.11306

16913941

Maximum Brightness

25.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.5

mag

Diameter

13 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-27

Observatory

University of Arizona Mt. Lemmon 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

0.957408

1-sigma variation

0.000026

Unit

Eccentricity (e)

Value

0.109558

1-sigma variation

0.000084

Unit

Inclination (i)

Value

3.3200

1-sigma variation

0.0024

Unit

Long. of Ascending Node (Ω)

Value

354.2250

1-sigma variation

0.0012

Unit

Arg. of Perihelion (ω)

Value

321.7685

1-sigma variation

0.0011

Unit

Mean Anomaly (M)

Value

338.63277

1-sigma variation

0.02538

Unit

Perihelion distance

Value

0.852517

1-sigma variation

Unit

Aphelion distance

Value

1.062300

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.134756

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.040859

1-sigma variation

Unit

MOID

Value

0.019691

1-sigma variation

Unit

Orbit Period

Value

342.1718

1-sigma variation

Unit

U parameter

Value

6.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.54417E-10	-2.15424E-9	-6.25125E-8	3.04523E-8	-4.18587E-9	-6.47955E-7
e	-2.15424E-9	7.11171E-9	2.06482E-7	-1.00498E-7	8.89418E-9	2.14025E-6
i	-6.25125E-8	2.06482E-7	5.99587E-6	-2.91849E-6	2.32783E-7	6.21456E-5
Ω	3.04523E-8	-1.00498E-7	-2.91849E-6	1.42360E-6	-1.37820E-7	-3.02418E-5
ω	-4.18587E-9	8.89418E-9	2.32783E-7	-1.37820E-7	1.22400E-6	2.37121E-6
M	-6.47955E-7	2.14025E-6	6.21456E-5	-3.02418E-5	2.37121E-6	6.44193E-4

Date of computation: 2026-07-30 14:25 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

26.516

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

13 - 30*

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

565

Unit

Source

[1]

Normalized RMS of residuals

Value

0.479648

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-27.304601

Unit

Source

[2]

Last Observation

Value

2025-03-21.10239

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

37 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 2025DU24 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	1951-12-06 00:24	> 1 d	0.1919692	0.0599440	0.5191808
EARTH	1952-09-05 14:16	> 1 mo	0.1530824	0.1293336	0.1527135
EARTH	1953-03-23 06:20	> 1 mo	0.0422541	0.0229748	0.5187046
EARTH	1966-10-17 00:06	> 1 mo	0.1074789	0.0814658	0.3675429
EARTH	1967-01-21 08:27	> 1 mo	0.0872536	0.0868001	0.0287302
EARTH	1967-06-19 15:10	> 1 mo	0.1499006	0.0642324	0.2085479
EARTH	1980-11-26 00:25	> 1 d	0.0557039	0.0556467	0.0082055
EARTH	1981-07-20 18:59	> 1 mo	0.1661374	0.1623431	0.0109359
EARTH	1982-04-04 16:08	> 1 d	0.1193106	0.0213218	0.1860148
EARTH	1994-12-02 06:56	> 1 d	0.1461865	0.0775873	0.0252374
EARTH	1995-08-25 11:54	> 1 w	0.1592030	0.1582873	0.0009116
EARTH	1996-03-31 16:14	> 1 d	0.0206848	0.0190222	0.0040344
EARTH	2009-11-25 15:55	137.5	0.0614276	0.0574588	0.0015465
EARTH	2010-07-14 04:38	> 1 d	0.1641512	0.1629169	0.0004174
EARTH	2011-04-04 03:02	77.3	0.1368034	0.1265850	0.0034100
EARTH	2023-12-03 10:00	5.7	0.1863179	0.1860768	0.0000804
EARTH	2024-09-06 04:07	25.3	0.1499187	0.1496214	0.0000991
EARTH	2025-03-13 17:12	< 1 min	0.0562461	0.0561306	0.0000385
EARTH	2038-11-28 23:57	149.2	0.1130627	0.1036472	0.0031841
EARTH	2039-08-18 00:07	> 1 d	0.1612171	0.1597924	0.0004881
EARTH	2040-04-01 23:28	505.3	0.0199610	0.0197552	0.0004619
EARTH	2053-10-19 20:21	> 1 mo	0.1036867	0.0748625	0.0425478
EARTH	2054-01-13 22:33	> 1 mo	0.0851960	0.0811207	0.0096231
EARTH	2054-06-23 11:41	> 1 mo	0.1534222	0.1042185	0.0190359
EARTH	2067-11-28 12:48	> 1 d	0.0793566	0.0528557	0.0700502
EARTH	2068-08-06 10:48	> 1 mo	0.1662002	0.1645561	0.0037075
EARTH	2069-04-04 12:06	> 1 d	0.0492234	0.0209240	0.0755274
EARTH	2081-12-02 09:24	> 1 d	0.1569842	0.0527599	0.3013237
EARTH	2082-08-28 01:58	> 1 mo	0.1589698	0.1418181	0.0590685
EARTH	2083-03-28 19:40	> 1 mo	0.0304832	0.0214246	0.2193211
EARTH	2096-11-26 04:57	> 1 w	0.0549549	0.0521845	0.2166136
EARTH	2097-07-17 13:50	> 1 mo	0.1654274	0.1629717	0.0327045
EARTH	2098-04-04 00:02	> 1 w	0.1182577	0.0245200	0.8674863
EARTH	2111-09-16 04:56	> 1 mo	0.1428032	0.1172966	0.7207597
EARTH	2112-02-26 15:17	> 1 mo	0.0730375	0.0516105	0.9234994
EARTH	2125-11-29 08:31	> 1 mo	0.1057131	0.0505204	0.9785603
EARTH	2126-08-16 14:29	> 1 mo	0.1628767	0.1578277	0.0843013

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
241.35170357	86.58701112	0.01969130	MINIMUM
100.75006673	319.06069812	0.05410900	MINIMUM
166.18758804	18.95952093	0.08772574	SADDLE
350.64227759	201.61258906	0.16676581	SADDLE
355.04413911	26.59683809	1.83775396	SADDLE
176.52394360	208.08911859	2.07654927	MAXIMUM

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MOID Plots

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