Asteroids

2025FK28 help

Last update: 2025-05-03 00:31 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.842

Aphelion (Q)

2.672

Eccentricity (e)

0.521

Inclination (i)

2.5

deg

Orbit period (P)

850.6

Earth MOID

0.03160

U parameter

7.6

Next Earth close approach

Date

2032-04-17

Nominal distance (from Earth center)

0.06698

10020220

Maximum Brightness

20.7

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

23.8

mag

Diameter

50 - 100*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-26

Observatory

Pan-STARRS 2, 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

1.756923

1-sigma variation

0.001130

Unit

Eccentricity (e)

Value

0.520671

1-sigma variation

0.000359

Unit

Inclination (i)

Value

2.4515

1-sigma variation

0.0011

Unit

Long. of Ascending Node (Ω)

Value

79.3420

1-sigma variation

0.0096

Unit

Arg. of Perihelion (ω)

Value

190.6107

1-sigma variation

0.0077

Unit

Mean Anomaly (M)

Value

347.00104

1-sigma variation

0.01517

Unit

Perihelion distance

Value

0.842145

1-sigma variation

Unit

Aphelion distance

Value

2.671701

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.637190

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.167771

1-sigma variation

Unit

MOID

Value

0.031603

1-sigma variation

Unit

Orbit Period

Value

850.6044

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.27705E-6	4.06022E-7	1.25975E-6	1.08828E-5	-8.66619E-6	1.71462E-5
e	4.06022E-7	1.29090E-7	4.00521E-7	3.46008E-6	-2.75532E-6	5.45143E-6
i	1.25975E-6	4.00521E-7	1.24276E-6	1.07326E-5	-8.54609E-6	1.69139E-5
Ω	1.08828E-5	3.46008E-6	1.07326E-5	9.28503E-5	-7.39514E-5	1.46115E-4
ω	-8.66619E-6	-2.75532E-6	-8.54609E-6	-7.39514E-5	5.89047E-5	-1.16355E-4
M	1.71462E-5	5.45143E-6	1.69139E-5	1.46115E-4	-1.16355E-4	2.30213E-4

Date of computation: 2025-04-25 13:01 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

23.807

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

50 - 100*

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

0.52974

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-26.350428

Unit

Source

[2]

Last Observation

Value

2025-04-25.14411

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

44 (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 2025FK28 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	1976-08-30 14:11	> 1 w	0.1281933	0.0410237	0.1928508
EARTH	1983-08-24 08:29	> 1 w	0.0490603	0.0402942	0.0786616
EARTH	1990-08-17 20:32	> 1 w	0.0510616	0.0404280	0.0626652
EARTH	1997-07-31 15:28	> 1 w	0.1181223	0.0471946	0.0715909
EARTH	2004-07-06 14:19	> 1 mo	0.1645429	0.1103878	0.0224529
EARTH	2011-06-13 05:49	> 1 w	0.1683728	0.1409191	0.0107110
EARTH	2018-05-17 01:13	> 1 w	0.1265706	0.0600405	0.0242357
EARTH	2025-04-25 18:30	< 1 min	0.0425777	0.0424973	0.0000268
EARTH	2032-04-17 00:15	> 1 d	0.0669810	0.0318409	0.0364897
MARS	2048-12-11 18:47	> 1 d	0.0281939	0.0272585	0.0253734
MARS	2094-11-13 10:13	> 1 w	0.0210886	0.0168340	0.1540965
EARTH	2097-09-03 13:07	> 1 w	0.1583838	0.0415382	0.3378585
EARTH	2104-08-28 07:45	> 1 w	0.0679191	0.0407528	0.2343455
EARTH	2111-08-24 07:16	> 1 w	0.0405990	0.0405643	0.0057229
EARTH	2118-08-20 09:58	> 1 w	0.0500389	0.0407379	0.1248127
EARTH	2125-08-11 06:02	> 1 mo	0.0925432	0.0428841	0.3054139

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
325.57934161	109.08705090	0.03160264	MINIMUM
35.11547000	227.19419813	0.04057458	MINIMUM
0.56929426	168.49779037	0.17397749	SADDLE
180.13722021	347.85937848	1.68774462	SADDLE
0.38523595	348.17126393	1.82612688	SADDLE
180.11402555	167.84878577	3.68761026	MAXIMUM

Download:

MOID Plots

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