Asteroids

2025DW5 help

Last update: 2025-09-10 00:30 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

0.03500

U parameter

6.9

Next Earth close approach

Date

2033-04-09

Nominal distance (from Earth center)

0.0806

12057672

Maximum Brightness

24.8

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

1.093878

1-sigma variation

0.000134

Unit

Eccentricity (e)

Value

0.198154

1-sigma variation

0.000204

Unit

Inclination (i)

Value

3.8854

1-sigma variation

0.0031

Unit

Long. of Ascending Node (Ω)

Value

212.0200

1-sigma variation

0.0036

Unit

Arg. of Perihelion (ω)

Value

41.2933

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

157.32200

1-sigma variation

0.02287

Unit

Perihelion distance

Value

0.877122

1-sigma variation

Unit

Aphelion distance

Value

1.310635

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.092034

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.240397

1-sigma variation

Unit

MOID

Value

0.035000

1-sigma variation

Unit

Orbit Period

Value

417.8804

1-sigma variation

Unit

U parameter

Value

6.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.78344E-8	2.72103E-8	4.17092E-7	4.73580E-7	5.29869E-8	-3.05378E-6
e	2.72103E-8	4.15172E-8	6.36376E-7	7.23088E-7	8.07147E-8	-4.65939E-6
i	4.17092E-7	6.36376E-7	9.75467E-6	1.10764E-5	1.24080E-6	-7.14195E-5
Ω	4.73580E-7	7.23088E-7	1.10764E-5	1.27823E-5	1.31557E-6	-8.11427E-5
ω	5.29869E-8	8.07147E-8	1.24080E-6	1.31557E-6	2.19706E-7	-9.05889E-6
M	-3.05378E-6	-4.65939E-6	-7.14195E-5	-8.11427E-5	-9.05889E-6	5.22915E-4

Date of computation: 2025-09-10 00:30 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

24.656

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

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

Unit

Source

[1]

Unobserved

Value

212

Unit

Source

[1]

Normalized RMS of residuals

Value

0.31973

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-02-23.36772

Unit

Source

[2]

Last Observation

Value

2025-03-21.256946

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

28 (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 2025DW5 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	1954-05-28 12:14	> 1 mo	0.1406968	0.1266328	0.0332943
EARTH	1962-06-25 19:17	> 1 mo	0.1413429	0.1270681	0.0288781
EARTH	1962-09-26 06:03	> 1 mo	0.1915717	0.0946262	0.1347703
EARTH	1970-08-01 18:26	> 1 mo	0.1105711	0.0610650	0.1057785
EARTH	1978-08-25 12:44	> 1 w	0.0624027	0.0581866	0.0410492
EARTH	1986-08-30 08:46	> 1 w	0.0779819	0.0583711	0.1020611
EARTH	1994-09-04 20:09	> 1 d	0.1720029	0.0581693	0.1415204
EARTH	2001-03-14 10:47	> 1 d	0.1205895	0.0365759	0.1200271
EARTH	2009-03-21 11:23	> 1 d	0.0395487	0.0346443	0.0233116
EARTH	2017-03-24 05:28	> 1 d	0.0350500	0.0345732	0.0014869
EARTH	2025-03-26 22:20	< 1 min	0.0423066	0.0421861	0.0000402
EARTH	2033-04-09 23:23	> 1 d	0.0806006	0.0623632	0.0065014
EARTH	2041-05-09 05:31	> 1 w	0.1249149	0.1098463	0.0053872
EARTH	2049-06-05 16:12	> 1 w	0.1439579	0.1406939	0.0014071
EARTH	2057-07-04 09:57	> 1 w	0.1370126	0.1241563	0.0047259
EARTH	2057-09-18 06:38	> 1 w	0.1728282	0.1301840	0.0150307
EARTH	2065-08-15 10:17	> 1 d	0.0959815	0.0608518	0.0152727
EARTH	2073-08-26 20:14	> 1 d	0.0593331	0.0589132	0.0023183
EARTH	2081-08-31 13:52	> 1 d	0.0958540	0.0586419	0.0311816
EARTH	2089-09-05 21:48	> 1 d	0.1959114	0.0799253	0.0420666
EARTH	2096-03-15 19:26	> 1 d	0.1001849	0.0354442	0.0403935
EARTH	2104-03-23 05:58	> 1 d	0.0357510	0.0337273	0.0064036
EARTH	2112-03-25 13:26	> 1 d	0.0345782	0.0336496	0.0079376
EARTH	2120-03-29 00:05	> 1 w	0.0451637	0.0342678	0.1037506

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
299.76800638	79.55197118	0.03462311	MINIMUM
69.67766366	232.69308484	0.05886477	MINIMUM
6.79018722	158.95504945	0.14496209	SADDLE
183.46554807	334.18909612	0.32964979	SADDLE
2.63860351	333.80828667	1.86213437	SADDLE
181.37059423	152.50359035	2.32468393	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out