Asteroids

2025FK3 help

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

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.623

Aphelion (Q)

3.337

Eccentricity (e)

0.685

Inclination (i)

1.5

deg

Orbit period (P)

1017.7

Earth MOID

0.00081

U parameter

7.3

Next Earth close approach

Date

2078-03-17

Nominal distance (from Earth center)

0.14783

22115575

Maximum Brightness

27.9

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

4 - 9*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-23

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

1.980018

1-sigma variation

0.000985

Unit

Eccentricity (e)

Value

0.685437

1-sigma variation

0.000188

Unit

Inclination (i)

Value

1.4775

1-sigma variation

0.0009

Unit

Long. of Ascending Node (Ω)

Value

1.7156

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

267.4325

1-sigma variation

0.0004

Unit

Mean Anomaly (M)

Value

358.22726

1-sigma variation

0.00341

Unit

Perihelion distance

Value

0.622841

1-sigma variation

Unit

Aphelion distance

Value

3.337196

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.080716

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.021399

1-sigma variation

Unit

MOID

Value

0.000814

1-sigma variation

Unit

Orbit Period

Value

1017.6589

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.70117E-7	1.85073E-7	8.40526E-7	5.90136E-7	-3.99667E-7	3.35740E-6
e	1.85073E-7	3.53072E-8	1.60349E-7	1.12583E-7	-7.62274E-8	6.40506E-7
i	8.40526E-7	1.60349E-7	7.31195E-7	5.12941E-7	-3.47699E-7	2.90874E-6
Ω	5.90136E-7	1.12583E-7	5.12941E-7	3.60010E-7	-2.43919E-7	2.04228E-6
ω	-3.99667E-7	-7.62274E-8	-3.47699E-7	-2.43919E-7	1.69548E-7	-1.38318E-6
M	3.35740E-6	6.40506E-7	2.90874E-6	2.04228E-6	-1.38318E-6	1.16194E-5

Date of computation: 2025-03-24 19:37 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

29.031

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

4 - 9*

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

[-]

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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

0.436038

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-21.455287

Unit

Source

[2]

Last Observation

Value

2025-03-23.934295

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

16 (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 2025FK3 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
VENUS	1970-02-05 01:32	> 1 d	0.0389915	0.0186430	0.0633574
511 Davida	1974-11-18 17:49	715.3	0.0124338	0.0097080	0.0417307
VENUS	1975-08-19 14:09	> 1 w	0.0316738	0.0184710	0.1226326
EARTH	1975-09-13 17:39	> 1 w	0.0695443	0.0058715	0.1362587
EARTH	1978-03-19 16:41	> 1 d	0.0797860	0.0005254	0.0892013
VENUS	1981-02-28 21:52	> 1 d	0.0189045	0.0188918	0.0008147
VENUS	1986-09-11 15:06	> 1 d	0.0234690	0.0191063	0.0061659
EARTH	2022-09-20 09:54	1084.1	0.0289993	0.0043970	0.0129587
EARTH	2025-03-24 08:02	< 1 s	0.0008165	0.0008158	0.0000002
VENUS	2072-10-23 19:51	> 1 w	0.0493181	0.0276179	0.0592500
EARTH	2078-03-17 04:06	> 1 d	0.1478335	0.0382230	0.0365401
MARS	2089-03-08 16:48	> 1 d	0.0312665	0.0310117	0.0056851
VENUS	2108-12-16 05:56	> 1 w	0.0381438	0.0374534	0.0514208
EARTH	2114-09-16 19:13	> 1 mo	0.0612650	0.0000015	0.5946333
EARTH	2117-03-26 23:59	> 1 mo	0.0087923	0.0035553	0.5567749

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
316.39436843	80.39164622	0.00081364	MINIMUM
44.05002847	254.05025533	0.00287970	MINIMUM
0.35738517	167.40864070	0.39359012	SADDLE
0.34392208	347.38738021	1.60675833	SADDLE
180.06667045	347.00496318	2.35360467	SADDLE
180.06763192	167.00737474	4.35281628	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2025FK3

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE/σ	IP	Exp. energy	PS	TS
2114-09-20.709	93444.709	-0.638	0.30 ± 0.002	1.28E4	5.60E-5	8.35E-7	-6.14	0
2114-09-20.731	93444.731	-0.823	0.63 ± 0.002	1.14E4	4.72E-5	7.04E-7	-6.22	0
2114-09-20.799	93444.799	1.174	0.94 ± 0.002	8.35E7	3.11E-9	4.65E-11	-10.40	0
2114-09-21.008	93445.008	1.135	0.99 ± 0.002	4.44E7	5.42E-9	8.14E-11	-10.16	0
2120-09-20.011	95636.011	1.165	0.41 ± 0.000	9.43E6	4.87E-8	7.33E-10	-9.23	0
2120-09-20.027	95636.027	1.442	0.52 ± 0.001	2.74E6	1.08E-7	1.64E-9	-8.88	0
2120-09-20.033	95636.033	1.412	0.54 ± 0.001	2.15E6	1.38E-7	2.08E-9	-8.78	0
2120-09-20.519	95636.519	1.499	0.45 ± 0.002	4.39E7	6.19E-9	9.33E-11	-10.13	0
2122-09-20.463	96366.463	-0.640	0.54 ± 0.002	2.46E7	2.67E-8	3.97E-10	-9.50	0
2125-09-20.378	97462.378	-3.307	0.88 ± 0.002	1.07E7	2.81E-10	4.14E-12	-11.50	n/a
2125-09-20.379	97462.379	-0.097	0.97 ± 0.001	3.31E6	1.46E-7	2.18E-9	-8.78	n/a
2125-09-20.468	97462.468	0.971	1.08 ± 0.001	4.28E6	1.26E-7	1.89E-9	-8.84	n/a
2125-09-20.511	97462.511	-4.714	0.26 ± 0.001	1.31E6	1.02E-11	1.50E-13	-12.94	n/a


Based on 16 optical observations (of which 0 are rejected as outliers) from 2025/03/21.455 to 2025/03/23.934.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.14 and 1.14 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 5.0, Date of computation=20250325 014149.551 UTC.

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