Asteroids

2025JF2 help

Last update: 2025-09-10 00:30 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.852

Aphelion (Q)

1.515

Eccentricity (e)

0.280

Inclination (i)

29.0

deg

Orbit period (P)

470.2

Earth MOID

0.02900

U parameter

8.1

Next Earth close approach

Date

2034-05-10

Nominal distance (from Earth center)

0.07378

11037659

Maximum Brightness

22.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

17 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2025-05-08

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.183357

1-sigma variation

0.000999

Unit

Eccentricity (e)

Value

0.280028

1-sigma variation

0.000543

Unit

Inclination (i)

Value

29.0248

1-sigma variation

0.0416

Unit

Long. of Ascending Node (Ω)

Value

48.4333

1-sigma variation

0.0005

Unit

Arg. of Perihelion (ω)

Value

99.1845

1-sigma variation

0.0833

Unit

Mean Anomaly (M)

Value

200.21429

1-sigma variation

0.31177

Unit

Perihelion distance

Value

0.851984

1-sigma variation

Unit

Aphelion distance

Value

1.514730

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.151400

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.032772

1-sigma variation

Unit

MOID

Value

0.028998

1-sigma variation

Unit

Orbit Period

Value

470.1887

1-sigma variation

Unit

U parameter

Value

8.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	9.97947E-7	5.40060E-7	4.15743E-5	-5.39016E-7	8.28985E-5	-3.11446E-4
e	5.40060E-7	2.94440E-7	2.24723E-5	-2.91318E-7	4.44988E-5	-1.68473E-4
i	4.15743E-5	2.24723E-5	1.73252E-3	-2.24634E-5	3.45790E-3	-1.29756E-2
Ω	-5.39016E-7	-2.91318E-7	-2.24634E-5	2.91266E-7	-4.48386E-5	1.68232E-4
ω	8.28985E-5	4.44988E-5	3.45790E-3	-4.48386E-5	6.94700E-3	-2.58837E-2
M	-3.11446E-4	-1.68473E-4	-1.29756E-2	1.68232E-4	-2.58837E-2	9.72007E-2

Date of computation: 2025-09-10 00:30 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

25.957

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

17 - 40*

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

0.9

Unit

Source

[1]

Unobserved

Value

173

Unit

Source

[1]

Normalized RMS of residuals

Value

0.654884

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2025-05-08.337932

Unit

Source

[2]

Last Observation

Value

2025-05-09.262153

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

33 (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 2025JF2 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	1961-11-16 00:00	> 1 d	0.1682825	0.1294551	0.1704641
EARTH	1970-11-17 11:31	> 1 d	0.1303146	0.1286143	0.0344968
EARTH	1979-11-18 03:08	209.3	0.1450884	0.1297219	0.0894855
EARTH	2007-05-03 18:55	> 1 d	0.1415430	0.0290285	0.1171585
EARTH	2016-05-05 14:01	> 1 d	0.0630928	0.0300365	0.0610605
EARTH	2025-05-07 18:22	< 1 min	0.0305732	0.0304342	0.0000463
EARTH	2034-05-10 09:20	> 1 d	0.0737822	0.0296663	0.0632935
EARTH	2043-05-14 00:44	> 1 d	0.1589860	0.0271481	0.1140547
EARTH	2055-11-17 03:21	> 1 d	0.1587648	0.1312586	0.0896469
EARTH	2064-11-17 09:28	> 1 d	0.1307054	0.1304968	0.0031418
EARTH	2073-11-17 20:25	1085.0	0.1550075	0.1322334	0.1142869
EARTH	2101-05-05 00:24	> 1 w	0.1229864	0.0282917	0.2944815
EARTH	2110-05-07 18:03	> 1 w	0.0505741	0.0292534	0.2205425
EARTH	2119-05-09 17:02	> 1 d	0.0305511	0.0294261	0.0459436

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
63.63594888	124.01547665	0.03051545	MINIMUM
284.79390202	313.47681926	0.12879950	MINIMUM
353.68071831	36.29207719	0.47890479	SADDLE
173.96532853	221.95337239	0.79578729	SADDLE
358.95390849	224.16026384	1.80548744	SADDLE
187.11367830	53.20902315	2.43141769	MAXIMUM

Download:

MOID Plots

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