Asteroids

2024FJ2 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.709

Aphelion (Q)

4.389

Eccentricity (e)

0.722

Inclination (i)

3.6

deg

Orbit period (P)

1486.3

Earth MOID

0.05496

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.548826

1-sigma variation

0.000499

Unit

Eccentricity (e)

Value

0.721887

1-sigma variation

0.000063

Unit

Inclination (i)

Value

3.6442

1-sigma variation

0.0003

Unit

Long. of Ascending Node (Ω)

Value

302.2293

1-sigma variation

0.0033

Unit

Arg. of Perihelion (ω)

Value

347.2303

1-sigma variation

0.0024

Unit

Mean Anomaly (M)

Value

126.22037

1-sigma variation

0.03668

Unit

Perihelion distance

Value

0.708862

1-sigma variation

Unit

Aphelion distance

Value

4.388789

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.300644

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

3.137905

1-sigma variation

Unit

MOID

Value

0.054956

1-sigma variation

Unit

Orbit Period

Value

1486.3075

1-sigma variation

Unit

U parameter

Value

6.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.48705E-7	3.13052E-8	1.71561E-7	1.62228E-6	-1.19663E-6	-1.82913E-5
e	3.13052E-8	3.94075E-9	2.16014E-8	2.04339E-7	-1.50694E-7	-2.30239E-6
i	1.71561E-7	2.16014E-8	1.18634E-7	1.12629E-6	-8.30954E-7	-1.26178E-5
Ω	1.62228E-6	2.04339E-7	1.12629E-6	1.07975E-5	-7.98514E-6	-1.19316E-4
ω	-1.19663E-6	-1.50694E-7	-8.30954E-7	-7.98514E-6	5.91842E-6	8.80099E-5
M	-1.82913E-5	-2.30239E-6	-1.26178E-5	-1.19316E-4	8.80099E-5	1.34526E-3

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

20.835

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

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

536

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

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 2024FJ2 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	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

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
32.81119354	260.48165838	0.05460562	MINIMUM
326.85766236	113.06294919	0.06349903	MINIMUM
359.68728269	186.45001172	0.31143097	SADDLE
359.82330661	6.79133325	1.68873242	SADDLE
179.96129919	7.03528134	3.39743520	SADDLE
179.98377898	187.04340303	5.39716292	MAXIMUM

Download:

MOID Plots

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