Asteroids

2025FW12 help

Last update: 2025-04-15 07:30 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Amor

Perihelion (q)

1.032

Aphelion (Q)

1.871

Eccentricity (e)

0.289

Inclination (i)

34.2

deg

Orbit period (P)

638.5

Earth MOID

0.14058

U parameter

8.2

Next Earth close approach

Date

2032-04-08

Nominal distance (from Earth center)

0.1566

23426282

Maximum Brightness

20.5

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

22.8

mag

Diameter

70 - 160*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-27

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.451061

1-sigma variation

0.001782

Unit

Eccentricity (e)

Value

0.289061

1-sigma variation

0.000741

Unit

Inclination (i)

Value

34.1990

1-sigma variation

0.0387

Unit

Long. of Ascending Node (Ω)

Value

16.0775

1-sigma variation

0.0026

Unit

Arg. of Perihelion (ω)

Value

237.9375

1-sigma variation

0.0698

Unit

Mean Anomaly (M)

Value

344.70367

1-sigma variation

0.06902

Unit

Perihelion distance

Value

1.031615

1-sigma variation

Unit

Aphelion distance

Value

1.870507

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.572243

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.152106

1-sigma variation

Unit

MOID

Value

0.140577

1-sigma variation

Unit

Orbit Period

Value

638.4503

1-sigma variation

Unit

U parameter

Value

8.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.17711E-6	1.32049E-6	6.90054E-5	4.54886E-6	-1.24319E-4	1.23021E-4
e	1.32049E-6	5.48871E-7	2.86813E-5	1.89064E-6	-5.16590E-5	5.11262E-5
i	6.90054E-5	2.86813E-5	1.49880E-3	9.87993E-5	-2.69989E-3	2.67184E-3
Ω	4.54886E-6	1.89064E-6	9.87993E-5	6.51310E-6	-1.77991E-4	1.76134E-4
ω	-1.24319E-4	-5.16590E-5	-2.69989E-3	-1.77991E-4	4.86774E-3	-4.81501E-3
M	1.23021E-4	5.11262E-5	2.67184E-3	1.76134E-4	-4.81501E-3	4.76397E-3

Date of computation: 2025-04-10 09:29 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

22.804

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

70 - 160*

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

Unit

Source

[1]

Normalized RMS of residuals

Value

0.555099

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-24.438874

Unit

Source

[2]

Last Observation

Value

2025-04-06.064009

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

28 (1)

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 2025FW12 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	2004-04-12 05:51	> 1 d	0.1958547	0.1418238	0.1736770
EARTH	2011-04-12 04:29	> 1 d	0.1624729	0.1411038	0.0803904
EARTH	2018-04-11 02:47	> 1 d	0.1440615	0.1407425	0.0166837
EARTH	2025-04-09 22:47	< 1 min	0.1418040	0.1412927	0.0001704
EARTH	2032-04-08 15:38	> 1 d	0.1565950	0.1409209	0.0340582
EARTH	2039-04-08 02:40	> 1 d	0.1888394	0.1409154	0.1058390

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
319.40046295	97.14474263	0.14057654	MINIMUM
80.40954338	253.71157205	0.46832654	MINIMUM
27.92328215	190.01170906	0.61705483	SADDLE
200.07635528	343.62603000	1.14443474	SADDLE
11.38699687	343.52669319	1.94304661	SADDLE
169.10134665	138.63447766	2.81076884	MAXIMUM

Download:

MOID Plots

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