Asteroids

2024FD4 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

1.013

Aphelion (Q)

1.425

Eccentricity (e)

0.169

Inclination (i)

6.3

deg

Orbit period (P)

491.6

Earth MOID

0.01242

U parameter

6.7

Next Earth close approach

Date

2055-03-11

Nominal distance (from Earth center)

0.16359

24472914

Maximum Brightness

26.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.3

mag

Diameter

9 - 20*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-03-31

Observatory

MARGO, Nauchnyi

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

1.218981

1-sigma variation

0.000137

Unit

Eccentricity (e)

Value

0.169040

1-sigma variation

0.000089

Unit

Inclination (i)

Value

6.2702

1-sigma variation

0.0026

Unit

Long. of Ascending Node (Ω)

Value

17.4385

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

176.3475

1-sigma variation

0.0019

Unit

Mean Anomaly (M)

Value

223.54340

1-sigma variation

0.10002

Unit

Perihelion distance

Value

1.012924

1-sigma variation

Unit

Aphelion distance

Value

1.425038

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.425437

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.012444

1-sigma variation

Unit

MOID

Value

0.012417

1-sigma variation

Unit

Orbit Period

Value

491.5796

1-sigma variation

Unit

U parameter

Value

6.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.87892E-8	1.22037E-8	3.60185E-7	5.22305E-8	2.62130E-7	-1.37102E-5
e	1.22037E-8	7.92636E-9	2.33941E-7	3.39240E-8	1.70251E-7	-8.90481E-6
i	3.60185E-7	2.33941E-7	6.90611E-6	1.00077E-6	5.03482E-6	-2.62827E-4
Ω	5.22305E-8	3.39240E-8	1.00077E-6	1.45406E-7	7.25354E-7	-3.81094E-5
ω	2.62130E-7	1.70251E-7	5.03482E-6	7.25354E-7	3.73870E-6	-1.91327E-4
M	-1.37102E-5	-8.90481E-6	-2.62827E-4	-3.81094E-5	-1.91327E-4	1.00041E-2

Date of computation: 2026-03-17 23:26 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

27.335

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

9 - 20*

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

733

Unit

Source

[1]

Normalized RMS of residuals

Value

0.628383

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-03-31.00657

Unit

Source

[2]

Last Observation

Value

2024-04-07.081376

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

41 (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

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 2024FD4 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	1955-04-03 21:28	> 1 d	0.0218387	0.0115693	0.0041942
MARS	1968-02-10 20:17	599.6	0.0297645	0.0287782	0.0003620
EARTH	1982-04-17 13:20	1057.5	0.0386754	0.0297393	0.0029914
EARTH	2001-03-16 15:02	> 1 d	0.1113322	0.0517576	0.0201313
EARTH	2024-04-05 12:56	< 1 min	0.0144067	0.0143876	0.0000064
EARTH	2055-03-11 22:15	> 1 d	0.1635913	0.0828436	0.0272758
EARTH	2059-04-21 13:09	> 1 d	0.0537156	0.0006372	0.0232676
MARS	2073-05-01 12:35	> 1 w	0.0339794	0.0326345	0.0101225
EARTH	2086-04-04 19:45	> 1 mo	0.0173694	0.0114740	0.1163975
EARTH	2090-05-03 15:13	> 1 w	0.1139874	0.0213061	0.1781929

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
3.36453528	95.50332842	0.01091545	MINIMUM
183.95834735	276.52158511	0.42570453	SADDLE
5.71672790	278.28539701	2.01214011	SADDLE
184.02868262	96.58321653	2.42712075	MAXIMUM

Download:

MOID Plots

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