Asteroids

2025FS16 help

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

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.840

Aphelion (Q)

3.769

Eccentricity (e)

0.636

Inclination (i)

2.7

deg

Orbit period (P)

1277.6

Earth MOID

0.00045

U parameter

9.0

Next Earth close approach

Date

2025-04-23

Nominal distance (from Earth center)

0.05283

7903731

Maximum Brightness

22.5

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

24.3

mag

Diameter

40 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-29

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

2.304278

1-sigma variation

0.016823

Unit

Eccentricity (e)

Value

0.635556

1-sigma variation

0.002942

Unit

Inclination (i)

Value

2.7494

1-sigma variation

0.0100

Unit

Long. of Ascending Node (Ω)

Value

207.0840

1-sigma variation

0.0120

Unit

Arg. of Perihelion (ω)

Value

54.0612

1-sigma variation

0.0319

Unit

Mean Anomaly (M)

Value

353.58150

1-sigma variation

0.07943

Unit

Perihelion distance

Value

0.839780

1-sigma variation

Unit

Aphelion distance

Value

3.768776

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.003736

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

1.195969

1-sigma variation

Unit

MOID

Value

0.000453

1-sigma variation

Unit

Orbit Period

Value

1277.6171

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.83019E-4	4.94909E-5	1.68868E-4	-2.00486E-4	5.35148E-4	1.33621E-3
e	4.94909E-5	8.65439E-6	2.95303E-5	-3.50491E-5	9.35945E-5	2.33653E-4
i	1.68868E-4	2.95303E-5	1.00778E-4	-1.19511E-4	3.19619E-4	7.97159E-4
Ω	-2.00486E-4	-3.50491E-5	-1.19511E-4	1.44682E-4	-3.76192E-4	-9.48006E-4
ω	5.35148E-4	9.35945E-5	3.19619E-4	-3.76192E-4	1.01747E-3	2.52436E-3
M	1.33621E-3	2.33653E-4	7.97159E-4	-9.48006E-4	2.52436E-3	6.30957E-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

24.305

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

40 - 80*

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

0.481692

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-29.376228

Unit

Source

[2]

Last Observation

Value

2025-04-05.35833

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (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 2025FS16 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	1990-08-20 21:35	> 1 mo	0.1504652	0.0471624	1.2128320
EARTH	1997-08-02 19:01	> 1 mo	0.0692506	0.0470994	0.7047465
EARTH	2004-06-21 18:27	> 1 mo	0.1701833	0.1124169	0.1122926
EARTH	2011-05-24 14:11	> 1 mo	0.1550786	0.0313837	0.2044299
EARTH	2018-05-20 10:48	> 1 mo	0.1514032	0.0230571	0.1243716
EARTH	2025-04-23 03:59	< 1 min	0.0527874	0.0523417	0.0001486
EARTH	2032-04-10 01:04	> 1 w	0.0729522	0.0009790	0.2966354
EARTH	2039-04-04 20:17	> 1 w	0.1906565	0.0004110	0.3668324

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
332.60771942	103.43375354	0.00045285	MINIMUM
28.27030001	215.58129712	0.04556526	MINIMUM
0.89732555	160.39794320	0.17906080	SADDLE
0.50672587	339.56764502	1.82425238	SADDLE
180.13348847	339.02909632	2.77810468	SADDLE
180.09392504	159.01318025	4.77641882	MAXIMUM

Download:

MOID Plots

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