Asteroids

2025PW2 help

Last update: 2025-08-18 03:00 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.773

Aphelion (Q)

1.853

Eccentricity (e)

0.411

Inclination (i)

0.5

deg

Orbit period (P)

549.6

Earth MOID

0.00567

U parameter

8.4

Next Earth close approach

Date

2025-08-20

Nominal distance (from Earth center)

0.00996

1490110

Maximum Brightness

19.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.3

mag

Diameter

9 - 21*

Taxonomic type

Rotation period (T)

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

1.313049

1-sigma variation

0.002170

Unit

Eccentricity (e)

Value

0.411194

1-sigma variation

0.001728

Unit

Inclination (i)

Value

0.4985

1-sigma variation

0.0048

Unit

Long. of Ascending Node (Ω)

Value

80.6474

1-sigma variation

1.2574

Unit

Arg. of Perihelion (ω)

Value

326.2916

1-sigma variation

1.3048

Unit

Mean Anomaly (M)

Value

23.91312

1-sigma variation

0.02050

Unit

Perihelion distance

Value

0.773131

1-sigma variation

Unit

Aphelion distance

Value

1.852967

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.172574

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.644937

1-sigma variation

Unit

MOID

Value

0.005666

1-sigma variation

Unit

Orbit Period

Value

549.5659

1-sigma variation

Unit

U parameter

Value

8.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.70715E-6	3.74148E-6	-9.58276E-6	-2.58682E-3	2.68324E-3	-4.44583E-5
e	3.74148E-6	2.98659E-6	-7.83716E-6	-2.10106E-3	2.17957E-3	-3.54060E-5
i	-9.58276E-6	-7.83716E-6	2.33423E-5	6.04808E-3	-6.27677E-3	9.16930E-5
Ω	-2.58682E-3	-2.10106E-3	6.04808E-3	1.58104E0	-1.64064E0	2.46738E-2
ω	2.68324E-3	2.17957E-3	-6.27677E-3	-1.64064E0	1.70249E0	-2.55946E-2
M	-4.44583E-5	-3.54060E-5	9.16930E-5	2.46738E-2	-2.55946E-2	4.20272E-4

Date of computation: 2025-08-18 03:00 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

27.272

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

9 - 21*

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

0.9

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.718819

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-08-15.466782

Unit

Source

[2]

Last Observation

Value

2025-08-16.386177

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

11 (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 2025PW2 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
MARS	1959-09-02 22:06	> 1 mo	0.0211777	0.0192951	0.3383901
EARTH	1963-08-19 00:40	> 1 mo	0.0340949	0.0083321	16.3440528
EARTH	1966-09-18 15:10	> 1 mo	0.1533041	0.0099527	8.8421016
EARTH	1972-12-11 22:25	> 1 mo	0.1775629	0.0163780	1.7205244
EARTH	1976-01-20 06:11	> 1 mo	0.0146299	0.0049913	1.0985276
MARS	1977-01-31 18:32	> 1 w	0.0363461	0.0327495	0.4017800
EARTH	1979-01-28 17:45	> 1 mo	0.1196110	0.0051914	1.3213117
EARTH	2022-08-12 06:32	> 1 d	0.1389998	0.0081103	0.0460770
EARTH	2025-08-20 15:11	14.4	0.0099608	0.0099301	0.0000102
EARTH	2028-08-25 07:20	> 1 d	0.0498666	0.0081242	0.0445435
EARTH	2031-09-06 22:43	> 1 w	0.1193927	0.0083408	0.0633495
EARTH	2034-09-28 04:58	> 1 mo	0.1753325	0.0312317	0.0485576
MARS	2044-04-25 15:11	> 1 d	0.0309734	0.0194134	0.0540806
EARTH	2049-12-11 23:01	> 1 mo	0.1810061	0.0163082	0.0573092
MARS	2051-11-03 00:39	1333.9	0.0209983	0.0194179	0.0352101
EARTH	2053-01-02 00:09	> 1 mo	0.1297515	0.0073715	0.1413192
EARTH	2056-01-17 04:23	> 1 w	0.0565715	0.0054730	0.2136585
EARTH	2059-01-22 11:35	> 1 w	0.0068241	0.0052499	0.1177218
MARS	2059-05-12 09:25	> 1 d	0.0385233	0.0366498	0.0390147
EARTH	2062-02-02 11:57	> 1 mo	0.1929234	0.0052973	1.2195157
EARTH	2096-08-16 19:33	> 1 mo	0.0760425	0.0069615	44.6116857
EARTH	2099-08-30 10:59	> 1 mo	0.0741925	0.0069082	39.8418611
EARTH	2102-10-09 00:27	> 1 mo	0.1902673	0.0129583	11.6833612
EARTH	2108-12-10 20:24	> 1 mo	0.1847173	0.0118571	0.6052942
EARTH	2112-01-16 00:07	> 1 mo	0.0766836	0.0053196	12.8482083
EARTH	2115-01-28 05:23	> 1 mo	0.0657717	0.0051129	26.3962214
MARS	2121-06-07 07:57	> 1 mo	0.0230599	0.0222100	6.4191772

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
52.51361620	20.02694840	0.00566622	MINIMUM
303.80483316	227.20566093	0.00814177	MINIMUM
357.61656740	303.01460712	0.21790375	SADDLE
179.00760407	124.55235785	0.84228455	SADDLE
357.58975752	122.99363352	1.78364028	SADDLE
179.03396192	304.57817580	2.84375981	MAXIMUM

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MOID Plots

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