Asteroids

2025FD help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.569

Aphelion (Q)

4.377

Eccentricity (e)

0.770

Inclination (i)

18.1

deg

Orbit period (P)

1420.6

Earth MOID

0.00846

U parameter

7.8

Next Earth close approach

Date

2032-09-28

Nominal distance (from Earth center)

0.14136

21147753

Maximum Brightness

22.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.8

mag

Diameter

50 - 100*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-19

Observatory

Palomar Mountain--ZTF

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.473094

1-sigma variation

0.003958

Unit

Eccentricity (e)

Value

0.769840

1-sigma variation

0.000408

Unit

Inclination (i)

Value

18.1056

1-sigma variation

0.0087

Unit

Long. of Ascending Node (Ω)

Value

175.5135

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

272.6383

1-sigma variation

0.0040

Unit

Mean Anomaly (M)

Value

124.69132

1-sigma variation

0.30253

Unit

Perihelion distance

Value

0.569208

1-sigma variation

Unit

Aphelion distance

Value

4.376979

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.021522

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.039008

1-sigma variation

Unit

MOID

Value

0.008460

1-sigma variation

Unit

Orbit Period

Value

1420.5591

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.56636E-5	1.61359E-6	3.45997E-5	-1.11235E-6	1.59880E-5	-1.19734E-3
e	1.61359E-6	1.66223E-7	3.56429E-6	-1.14584E-7	1.64697E-6	-1.23344E-4
i	3.45997E-5	3.56429E-6	7.64307E-5	-2.45589E-6	3.53122E-5	-2.64483E-3
Ω	-1.11235E-6	-1.14584E-7	-2.45589E-6	7.95717E-8	-1.13709E-6	8.50290E-5
ω	1.59880E-5	1.64697E-6	3.53122E-5	-1.13709E-6	1.63270E-5	-1.22214E-3
M	-1.19734E-3	-1.23344E-4	-2.64483E-3	8.50290E-5	-1.22214E-3	9.15260E-2

Date of computation: 2026-03-17 23:26 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

23.831

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

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

418

Unit

Source

[1]

Normalized RMS of residuals

Value

0.497861

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-19.224554

Unit

Source

[2]

Last Observation

Value

2025-03-28.37292

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

188 (5)

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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2025FD from 1950 to 2126

Body	Date in UTC	Time uncert. in min	Nominal distance in au	Min. possible distance in au	Distance uncert. in au
EARTH	1986-03-13 00:53	> 1 mo	0.0761322	0.0328215	0.6141426
EARTH	2025-03-18 04:25	< 1 s	0.0130052	0.0129854	0.0000066
EARTH	2032-09-28 00:37	> 1 w	0.1413640	0.0112057	0.1170415
EARTH	2056-03-10 10:24	> 1 w	0.1427820	0.0372343	0.3576194
EARTH	2086-09-19 15:21	> 1 mo	0.0254868	0.0140439	0.9379125
EARTH	2106-03-24 11:32	> 1 mo	0.0812457	0.0370015	1.5694066
EARTH	2113-09-17 05:53	> 1 mo	0.0508160	0.0190065	2.1624360

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
38.97878010	74.73600078	0.00907064	MINIMUM
320.20916619	257.46421140	0.01410993	MINIMUM
359.35972802	345.55778504	0.47718434	SADDLE
359.54768350	166.10420923	1.56845917	SADDLE
179.89334964	166.88037993	3.42381833	SADDLE
179.99810310	346.92209083	5.32079728	MAXIMUM

Download:

MOID Plots

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