Asteroids

2024FJ2 help

Last update: 2026-07-30 14:25 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.718

Aphelion (Q)

4.392

Eccentricity (e)

0.719

Inclination (i)

3.7

deg

Orbit period (P)

1491.4

Earth MOID

0.05457

U parameter

6.3

Next Earth close approach

Date

2061-05-18

Nominal distance (from Earth center)

0.14533

21740916

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

20.8

mag

Diameter

180 - 400*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-03-19

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.554669

1-sigma variation

0.000504

Unit

Eccentricity (e)

Value

0.719079

1-sigma variation

0.000061

Unit

Inclination (i)

Value

3.6505

1-sigma variation

0.0004

Unit

Long. of Ascending Node (Ω)

Value

302.1828

1-sigma variation

0.0032

Unit

Arg. of Perihelion (ω)

Value

347.4337

1-sigma variation

0.0023

Unit

Mean Anomaly (M)

Value

174.14701

1-sigma variation

0.05057

Unit

Perihelion distance

Value

0.717659

1-sigma variation

Unit

Aphelion distance

Value

4.391679

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.291074

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

3.152867

1-sigma variation

Unit

MOID

Value

0.054567

1-sigma variation

Unit

Orbit Period

Value

1491.4212

1-sigma variation

Unit

U parameter

Value

6.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.53653E-7	3.07544E-8	1.77673E-7	1.60352E-6	-1.16204E-6	-2.54677E-5
e	3.07544E-8	3.72909E-9	2.15486E-8	1.94550E-7	-1.40957E-7	-3.08786E-6
i	1.77673E-7	2.15486E-8	1.24768E-7	1.13069E-6	-8.19639E-7	-1.78392E-5
Ω	1.60352E-6	1.94550E-7	1.13069E-6	1.03471E-5	-7.52034E-6	-1.61004E-4
ω	-1.16204E-6	-1.40957E-7	-8.19639E-7	-7.52034E-6	5.47964E-6	1.16676E-4
M	-2.54677E-5	-3.08786E-6	-1.78392E-5	-1.61004E-4	1.16676E-4	2.55704E-3

Date of computation: 2026-07-30 14:25 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

20.835

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

180 - 400*

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

903

Unit

Source

[1]

Normalized RMS of residuals

Value

0.502988

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-03-19.429502

Unit

Source

[2]

Last Observation

Value

2024-05-08.152023

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

57 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 2024FJ2 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	1951-04-21 00:23	> 1 d	0.1600034	0.0530301	0.0919498
EARTH	2020-04-18 09:28	602.4	0.1294922	0.1109310	0.0063636
EARTH	2024-05-11 02:20	< 1 min	0.1616426	0.1615958	0.0000156
EARTH	2061-05-18 10:13	> 1 d	0.1453290	0.0658449	0.0374121
EARTH	2065-09-18 23:54	> 1 d	0.0508628	0.0508290	0.0017421
EARTH	2094-05-15 12:46	> 1 w	0.1384219	0.0652982	0.1785563
EARTH	2102-10-06 21:08	> 1 w	0.1868650	0.0568109	0.2015797
VENUS	2126-11-21 21:13	> 1 w	0.0424234	0.0340098	0.0169607

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
32.14715872	257.05493129	0.05456693	MINIMUM
327.57817043	112.89507061	0.06381011	MINIMUM
359.72294111	184.66160018	0.29937308	SADDLE
359.86141748	5.00776756	1.70119049	SADDLE
179.96747190	5.20313363	3.40822570	SADDLE
179.98962293	185.21138386	5.40837567	MAXIMUM

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MOID Plots

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