Asteroids

2024FX help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.242

Aphelion (Q)

4.052

Eccentricity (e)

0.887

Inclination (i)

7.9

deg

Orbit period (P)

1148.8

Earth MOID

0.01682

U parameter

7.6

Next Earth close approach

Date

2046-02-28

Nominal distance (from Earth center)

0.17449

26103760

Maximum Brightness

20.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

21.5

mag

Diameter

130 - 300*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-03-17

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

2.146630

1-sigma variation

0.002252

Unit

Eccentricity (e)

Value

0.887402

1-sigma variation

0.000157

Unit

Inclination (i)

Value

7.8649

1-sigma variation

0.0011

Unit

Long. of Ascending Node (Ω)

Value

95.2151

1-sigma variation

0.0264

Unit

Arg. of Perihelion (ω)

Value

301.4528

1-sigma variation

0.0244

Unit

Mean Anomaly (M)

Value

208.87746

1-sigma variation

0.33105

Unit

Perihelion distance

Value

0.241707

1-sigma variation

Unit

Aphelion distance

Value

4.051554

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.671888

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.167992

1-sigma variation

Unit

MOID

Value

0.016818

1-sigma variation

Unit

Orbit Period

Value

1148.7734

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.07055E-6	3.53083E-7	2.40637E-6	-5.70973E-5	5.21597E-5	-7.45458E-4
e	3.53083E-7	2.45916E-8	1.67769E-7	-3.96186E-6	3.61752E-6	-5.19096E-5
i	2.40637E-6	1.67769E-7	1.15446E-6	-2.62998E-5	2.39430E-5	-3.53794E-4
Ω	-5.70973E-5	-3.96186E-6	-2.62998E-5	6.97880E-4	-6.43117E-4	8.39311E-3
ω	5.21597E-5	3.61752E-6	2.39430E-5	-6.43117E-4	5.93243E-4	-7.66717E-3
M	-7.45458E-4	-5.19096E-5	-3.53794E-4	8.39311E-3	-7.66717E-3	1.09595E-1

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

21.479

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

130 - 300*

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

566

Unit

Source

[1]

Normalized RMS of residuals

Value

0.627795

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-03-17.301284

Unit

Source

[2]

Last Observation

Value

2024-04-04.1576

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

57 (2)

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 2024FX 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	1958-03-08 08:34	> 1 d	0.1445647	0.1142498	0.0688373
MERCURY	1980-01-22 09:59	> 1 w	0.0493819	0.0232922	0.3677142
EARTH	1980-03-10 06:27	> 1 w	0.1854027	0.1163409	0.2168399
EARTH	2002-03-03 13:26	> 1 w	0.1273672	0.1240851	0.0415657
EARTH	2024-03-03 03:03	< 1 min	0.1276139	0.1274959	0.0000393
EARTH	2046-02-28 08:04	> 1 w	0.1744929	0.1337596	0.1259173
EARTH	2058-06-25 22:48	> 1 w	0.1351336	0.0075738	0.2761033
MERCURY	2061-09-16 17:13	> 1 w	0.0146908	0.0115375	0.2619477
MERCURY	2071-03-10 02:27	> 1 w	0.0486513	0.0238694	0.5342533
EARTH	2080-06-25 00:38	> 1 w	0.1144331	0.0044160	0.3118688
EARTH	2102-06-22 02:26	> 1 w	0.0201049	0.0032871	0.2700643
EARTH	2124-06-25 04:22	> 1 mo	0.0892999	0.0068123	2.3119897

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
306.46783940	165.92733457	0.01666568	MINIMUM
52.22055511	60.45371312	0.12639064	MINIMUM
357.81423552	289.33906504	0.75462478	SADDLE
357.91650730	109.79008745	1.24608849	SADDLE
179.80849419	114.41678413	3.05404075	SADDLE
179.94078154	294.45214472	5.03917014	MAXIMUM

Download:

MOID Plots

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