Asteroids

2025FK2 help

Last update: 2025-03-28 13:33 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

1.014

Aphelion (Q)

1.660

Eccentricity (e)

0.241

Inclination (i)

1.9

deg

Orbit period (P)

564.5

Earth MOID

0.02517

U parameter

7.6

Next Earth close approach

Date

2042-03-25

Nominal distance (from Earth center)

0.02899

4337342

Maximum Brightness

20.6

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

26.8

mag

Diameter

11 - 25*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-22

Observatory

Kitt Peak-Bok

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

1.336777

1-sigma variation

0.000690

Unit

Eccentricity (e)

Value

0.241449

1-sigma variation

0.000369

Unit

Inclination (i)

Value

1.9402

1-sigma variation

0.0026

Unit

Long. of Ascending Node (Ω)

Value

19.3619

1-sigma variation

0.0009

Unit

Arg. of Perihelion (ω)

Value

147.6494

1-sigma variation

0.0038

Unit

Mean Anomaly (M)

Value

35.90510

1-sigma variation

0.03132

Unit

Perihelion distance

Value

1.014013

1-sigma variation

Unit

Aphelion distance

Value

1.659541

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.583812

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.043805

1-sigma variation

Unit

MOID

Value

0.025174

1-sigma variation

Unit

Orbit Period

Value

564.5298

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.75663E-7	2.54616E-7	1.79153E-6	1.47615E-7	1.92099E-6	-2.15912E-5
e	2.54616E-7	1.36293E-7	9.58940E-7	7.96924E-8	1.02613E-6	-1.15566E-5
i	1.79153E-6	9.58940E-7	6.75097E-6	5.08136E-7	7.37499E-6	-8.13749E-5
Ω	1.47615E-7	7.96924E-8	5.08136E-7	7.64356E-7	-1.57510E-6	-5.85113E-6
ω	1.92099E-6	1.02613E-6	7.37499E-6	-1.57510E-6	1.45395E-5	-8.98930E-5
M	-2.15912E-5	-1.15566E-5	-8.13749E-5	-5.85113E-6	-8.98930E-5	9.81147E-4

Date of computation: 2025-03-27 14:54 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

26.848

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

11 - 25*

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

0.528175

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-22.236477

Unit

Source

[2]

Last Observation

Value

2025-03-27.21383

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

20 (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 2025FK2 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	1968-04-01 13:32	> 1 mo	0.0486965	0.0149611	0.1979077
EARTH	1988-04-01 01:44	> 1 w	0.0463628	0.0157475	0.0654189
EARTH	2005-02-16 10:43	> 1 w	0.0693167	0.0194674	0.0466525
EARTH	2025-03-25 23:13	< 1 min	0.0302820	0.0302042	0.0000259
EARTH	2042-04-01 09:08	> 1 w	0.0427322	0.0156975	0.0326921
EARTH	2056-02-06 03:15	> 1 d	0.1703227	0.0255834	0.0957890
MARS	2060-05-22 13:55	1220.5	0.0438588	0.0254426	0.0779636
EARTH	2073-04-15 09:05	> 1 w	0.1261457	0.0062037	0.1649681
EARTH	2087-02-21 22:30	> 1 w	0.0573127	0.0161040	0.0293699
EARTH	2104-04-09 01:59	> 1 mo	0.0690320	0.0104059	0.2410304
EARTH	2118-02-08 12:39	> 1 w	0.1591640	0.0244725	0.2843909

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
7.81912779	73.89894048	0.02517609	MINIMUM
181.91531072	246.80690322	0.65345952	SADDLE
3.41121935	248.28821324	2.02030972	SADDLE
182.11574474	66.95750450	2.65270622	MAXIMUM

Download:

MOID Plots

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