Asteroids

2024FF4 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.836

Aphelion (Q)

3.261

Eccentricity (e)

0.592

Inclination (i)

2.7

deg

Orbit period (P)

1070.9

Earth MOID

0.00457

U parameter

7.3

Next Earth close approach

Date

2065-08-13

Nominal distance (from Earth center)

0.04768

7132154

Maximum Brightness

20.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.2

mag

Diameter

40 - 90*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-03-17

Observatory

Pan-STARRS 1, 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

2.048536

1-sigma variation

0.001174

Unit

Eccentricity (e)

Value

0.591842

1-sigma variation

0.000260

Unit

Inclination (i)

Value

2.6653

1-sigma variation

0.0010

Unit

Long. of Ascending Node (Ω)

Value

19.1546

1-sigma variation

0.0011

Unit

Arg. of Perihelion (ω)

Value

242.0327

1-sigma variation

0.0026

Unit

Mean Anomaly (M)

Value

250.23365

1-sigma variation

0.21275

Unit

Perihelion distance

Value

0.836127

1-sigma variation

Unit

Aphelion distance

Value

3.260946

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.842269

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.041047

1-sigma variation

Unit

MOID

Value

0.004567

1-sigma variation

Unit

Orbit Period

Value

1070.9371

1-sigma variation

Unit

U parameter

Value

7.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.37900E-6	3.05611E-7	1.13706E-6	-1.29853E-6	3.02601E-6	-2.49830E-4
e	3.05611E-7	6.77289E-8	2.51993E-7	-2.87779E-7	6.70639E-7	-5.53666E-5
i	1.13706E-6	2.51993E-7	9.37774E-7	-1.07103E-6	2.49582E-6	-2.05997E-4
Ω	-1.29853E-6	-2.87779E-7	-1.07103E-6	1.22427E-6	-2.85181E-6	2.35250E-4
ω	3.02601E-6	6.70639E-7	2.49582E-6	-2.85181E-6	6.65038E-6	-5.48213E-4
M	-2.49830E-4	-5.53666E-5	-2.05997E-4	2.35250E-4	-5.48213E-4	4.52608E-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

24.17

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

40 - 90*

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

0.580689

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-03-17.423632

Unit

Source

[2]

Last Observation

Value

2024-04-14.22634

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

37 (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

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 2024FF4 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	1983-08-13 14:53	> 1 w	0.0417373	0.0407073	0.0259086
EARTH	1986-05-14 09:37	> 1 mo	0.1577477	0.0154052	0.0610402
MARS	2018-10-15 07:39	> 1 d	0.0364176	0.0099979	0.0262746
EARTH	2021-07-22 23:50	> 1 d	0.1302591	0.1009975	0.0099212
EARTH	2024-04-18 05:41	< 1 min	0.0412082	0.0411574	0.0000169
EARTH	2065-08-13 05:18	> 1 w	0.0476755	0.0403683	0.0883623
EARTH	2068-06-15 17:03	> 1 mo	0.1702720	0.1637042	0.0041672
EARTH	2071-04-16 17:26	> 1 w	0.0173766	0.0081439	0.2032941
MARS	2112-10-30 12:16	> 1 mo	0.0312034	0.0155535	6.5220169
EARTH	2118-07-27 16:06	> 1 mo	0.0984843	0.0381856	5.9648636
EARTH	2121-05-22 16:38	> 1 mo	0.1383690	0.0013959	3.6255677
EARTH	2124-04-07 19:29	> 1 mo	0.1707870	0.0109576	7.6256392

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
329.25283397	101.85023058	0.00401393	MINIMUM
31.75267759	219.22961419	0.04072113	MINIMUM
0.90788302	161.26532786	0.18681267	SADDLE
0.56576913	340.58803150	1.81846074	SADDLE
180.16896530	340.04560685	2.27787109	SADDLE
180.12688453	160.02778059	4.27769877	MAXIMUM

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MOID Plots

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