Asteroids

2025DW5 help

Last update: 2025-12-06 22:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.877

Aphelion (Q)

1.311

Eccentricity (e)

0.198

Inclination (i)

3.9

deg

Orbit period (P)

417.9

Earth MOID

0.03501

U parameter

0.0

Next Earth close approach

Date

2033-04-10

Nominal distance (from Earth center)

0.08175

12230215

Maximum Brightness

24.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.7

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-02-23

Observatory

Pan-STARRS 1, Haleakala

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

1.093902

1-sigma variation

3.643E-9

Unit

Eccentricity (e)

Value

0.198190

1-sigma variation

1.713E-7

Unit

Inclination (i)

Value

3.8860

1-sigma variation

6.738E-6

Unit

Long. of Ascending Node (Ω)

Value

212.0207

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

41.2932

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

157.31798

1-sigma variation

0.00002

Unit

Perihelion distance

Value

0.877102

1-sigma variation

Unit

Aphelion distance

Value

1.310703

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.092050

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.240445

1-sigma variation

Unit

MOID

Value

0.035006

1-sigma variation

Unit

Orbit Period

Value

417.8941

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.32699E-17	-7.34127E-17	1.42740E-14	-4.95660E-13	4.48124E-13	3.32849E-14
e	-7.34127E-17	2.93297E-14	3.21039E-13	1.89831E-12	3.26159E-12	-1.69828E-12
i	1.42740E-14	3.21039E-13	4.53961E-11	-8.43708E-10	8.84807E-10	-7.17868E-12
Ω	-4.95660E-13	1.89831E-12	-8.43708E-10	2.72296E-8	-2.48311E-8	-2.04439E-9
ω	4.48124E-13	3.26159E-12	8.84807E-10	-2.48311E-8	2.38379E-8	1.26476E-9
M	3.32849E-14	-1.69828E-12	-7.17868E-12	-2.04439E-9	1.26476E-9	5.68745E-10

Date of computation: 2025-12-06 22:30 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

24.704

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

30 - 70*

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

3219

Unit

Source

[1]

Unobserved

Value

103

Unit

Source

[1]

Normalized RMS of residuals

Value

0.395368

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2017-02-02.506773

Unit

Source

[2]

Last Observation

Value

2025-11-26.249642

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

34 (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 2025DW5 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	1954-05-19 12:32	2.2	0.1347658	0.1347637	0.0000007
EARTH	1962-06-16 23:07	2.1	0.1439909	0.1439903	0.0000002
EARTH	1970-07-20 00:39	1.7	0.1233048	0.1233025	0.0000008
EARTH	1978-08-23 19:05	< 1 min	0.0702515	0.0702495	0.0000007
EARTH	1986-08-29 05:37	< 1 min	0.0664642	0.0664625	0.0000006
EARTH	1994-09-03 20:16	< 1 min	0.1526835	0.1526801	0.0000011
EARTH	2001-03-13 09:37	< 1 min	0.1378737	0.1378701	0.0000012
EARTH	2009-03-20 16:18	< 1 min	0.0443829	0.0443816	0.0000004
EARTH	2017-03-24 00:41	< 1 min	0.0348201	0.0348198	0.0000001
EARTH	2025-03-26 22:20	< 1 min	0.0423136	0.0423132	0.0000001
EARTH	2033-04-10 13:09	< 1 min	0.0817539	0.0817535	0.0000002
EARTH	2041-05-10 01:41	< 1 min	0.1258625	0.1258619	0.0000002
EARTH	2049-06-06 15:20	< 1 min	0.1441927	0.1441922	0.0000002
EARTH	2057-07-05 17:45	< 1 min	0.1361361	0.1361351	0.0000003
EARTH	2057-09-16 21:31	< 1 min	0.1701069	0.1701044	0.0000008
EARTH	2065-08-17 01:02	< 1 min	0.0932445	0.0932422	0.0000008
EARTH	2073-08-27 02:29	< 1 min	0.0590194	0.0590191	0.0000001
EARTH	2081-08-31 22:43	< 1 min	0.1016160	0.1016111	0.0000016
EARTH	2096-03-16 07:30	< 1 min	0.0928521	0.0928466	0.0000018
EARTH	2104-03-23 14:09	< 1 min	0.0347883	0.0347874	0.0000003
EARTH	2112-03-26 09:58	< 1 min	0.0365726	0.0365715	0.0000004
EARTH	2120-04-04 09:31	2.0	0.0653426	0.0653313	0.0000038

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
299.48160195	80.08575927	0.03500553	MINIMUM
70.04366757	234.03086219	0.05874751	MINIMUM
6.77547845	159.82782174	0.14681658	SADDLE
183.50396639	335.12636049	0.32954090	SADDLE
2.69244609	334.76184886	1.86195681	SADDLE
181.41561019	153.44826068	2.32632675	MAXIMUM

Download:

MOID Plots

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