Asteroids

2025FF2 help

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

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.450

Aphelion (Q)

2.075

Eccentricity (e)

0.643

Inclination (i)

4.8

deg

Orbit period (P)

518.4

Earth MOID

0.00516

U parameter

8.3

Next Earth close approach

Date

2030-08-07

Nominal distance (from Earth center)

0.11824

17688690

Maximum Brightness

25.3

mag

Risk

Object is not in risk list

Object is in priority list

Physical Properties

Absolute Magnitude (H)

27.1

mag

Diameter

10 - 23*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-03-21

Observatory

Mt. Lemmon Survey

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

1.262853

1-sigma variation

0.001568

Unit

Eccentricity (e)

Value

0.643274

1-sigma variation

0.000769

Unit

Inclination (i)

Value

4.8408

1-sigma variation

0.0079

Unit

Long. of Ascending Node (Ω)

Value

174.6714

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

250.0226

1-sigma variation

0.0041

Unit

Mean Anomaly (M)

Value

68.39478

1-sigma variation

0.15593

Unit

Perihelion distance

Value

0.450493

1-sigma variation

Unit

Aphelion distance

Value

2.075213

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.046192

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.397677

1-sigma variation

Unit

MOID

Value

0.005158

1-sigma variation

Unit

Orbit Period

Value

518.3553

1-sigma variation

Unit

U parameter

Value

8.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.45728E-6	1.20450E-6	1.22671E-5	4.74804E-7	-5.03085E-6	-2.44431E-4
e	1.20450E-6	5.90653E-7	6.02269E-6	2.46851E-7	-2.50594E-6	-1.19822E-4
i	1.22671E-5	6.02269E-6	6.16616E-5	2.98343E-6	-2.67767E-5	-1.22058E-3
Ω	4.74804E-7	2.46851E-7	2.98343E-6	9.85804E-7	-3.39295E-6	-4.77374E-5
ω	-5.03085E-6	-2.50594E-6	-2.67767E-5	-3.39295E-6	1.70535E-5	5.01858E-4
M	-2.44431E-4	-1.19822E-4	-1.22058E-3	-4.77374E-5	5.01858E-4	2.43143E-2

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

27.071

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

10 - 23*

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

0.6959

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-03-21.247737

Unit

Source

[2]

Last Observation

Value

2025-03-23.258808

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

27 (1)

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 2025FF2 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	1950-03-14 04:50	> 1 d	0.1035506	0.0040481	0.1200328
EARTH	1955-07-29 18:07	> 1 d	0.1036010	0.0625759	0.0548598
EARTH	1967-03-12 03:33	> 1 d	0.1684682	0.0210851	0.0492134
EARTH	1972-07-25 21:01	> 1 d	0.1657401	0.0617491	0.0874732
EARTH	2008-03-23 03:22	> 1 w	0.1077124	0.0050947	0.1780583
EARTH	2013-08-07 05:26	> 1 d	0.1235146	0.0615167	0.1068390
EARTH	2025-03-19 03:46	< 1 min	0.0090273	0.0089901	0.0000124
EARTH	2030-08-07 19:22	> 1 d	0.1223722	0.0602641	0.0572888
EARTH	2052-03-12 09:39	> 1 w	0.1550173	0.0062166	0.2419593
EARTH	2057-07-31 19:18	> 1 w	0.0772388	0.0596277	0.1580086
EARTH	2069-03-20 18:30	> 1 w	0.0388165	0.0059492	0.2301187
EARTH	2074-08-10 13:44	> 1 d	0.1699409	0.0651653	0.0396445
EARTH	2084-07-25 20:04	> 1 w	0.1890290	0.0594809	0.2841062
EARTH	2096-03-17 16:22	> 1 w	0.0341542	0.0064947	0.6390116
EARTH	2101-08-06 17:42	> 1 w	0.0803872	0.0591031	0.1385158
EARTH	2113-03-26 18:20	> 1 w	0.1448954	0.0072012	0.6876481

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
70.75657857	75.00398567	0.00515849	MINIMUM
288.29294836	208.62889666	0.05995655	MINIMUM
358.76809921	321.03966622	0.53919359	SADDLE
179.81654395	142.02960963	1.06883449	SADDLE
358.52605298	140.56552448	1.46220837	SADDLE
179.62222520	321.94548178	3.06038897	MAXIMUM

Download:

MOID Plots

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