Asteroids

2024FH2 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.410

Aphelion (Q)

1.424

Eccentricity (e)

0.553

Inclination (i)

16.0

deg

Orbit period (P)

320.7

Earth MOID

0.02608

U parameter

7.8

Next Earth close approach

Date

2031-04-11

Nominal distance (from Earth center)

0.11643

17417129

Maximum Brightness

20.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

22.3

mag

Diameter

90 - 200*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-03-20

Observatory

Mt. Lemmon Survey

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

0.916996

1-sigma variation

0.000348

Unit

Eccentricity (e)

Value

0.552918

1-sigma variation

0.000509

Unit

Inclination (i)

Value

16.0088

1-sigma variation

0.0216

Unit

Long. of Ascending Node (Ω)

Value

23.7302

1-sigma variation

0.0013

Unit

Arg. of Perihelion (ω)

Value

305.4274

1-sigma variation

0.0074

Unit

Mean Anomaly (M)

Value

238.82773

1-sigma variation

0.29371

Unit

Perihelion distance

Value

0.409972

1-sigma variation

Unit

Aphelion distance

Value

1.424019

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.514739

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.067263

1-sigma variation

Unit

MOID

Value

0.026084

1-sigma variation

Unit

Orbit Period

Value

320.7372

1-sigma variation

Unit

U parameter

Value

7.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.20799E-7	1.76965E-7	7.52450E-6	4.51036E-7	-2.57063E-6	-1.02082E-4
e	1.76965E-7	2.59249E-7	1.10233E-5	6.60625E-7	-3.76551E-6	-1.49545E-4
i	7.52450E-6	1.10233E-5	4.68712E-4	2.80868E-5	-1.60103E-4	-6.35861E-3
Ω	4.51036E-7	6.60625E-7	2.80868E-5	1.68853E-6	-9.60769E-6	-3.81161E-4
ω	-2.57063E-6	-3.76551E-6	-1.60103E-4	-9.60769E-6	5.47279E-5	2.17236E-3
M	-1.02082E-4	-1.49545E-4	-6.35861E-3	-3.81161E-4	2.17236E-3	8.62654E-2

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

22.322

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

90 - 200*

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

534

Unit

Source

[1]

Normalized RMS of residuals

Value

0.568336

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-03-20.327557

Unit

Source

[2]

Last Observation

Value

2024-04-06.157318

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

44 (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 2024FH2 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	1952-04-07 03:04	58.3	0.0493767	0.0453335	0.0013971
EARTH	1959-04-10 22:12	529.2	0.0887319	0.0281645	0.0247959
EARTH	1988-04-05 17:39	> 1 d	0.0921660	0.0264104	0.1009270
EARTH	1995-04-10 06:40	> 1 d	0.0478438	0.0264067	0.0822685
EARTH	2002-04-10 14:34	> 1 d	0.1864704	0.0193398	0.0709552
EARTH	2017-04-02 02:02	1264.0	0.1991543	0.1302396	0.0230776
EARTH	2024-04-07 18:30	< 1 min	0.0410240	0.0408775	0.0000488
EARTH	2031-04-11 13:43	203.1	0.1164263	0.0506247	0.0226061
MERCURY	2044-08-19 04:33	> 1 d	0.0498812	0.0427076	0.0600859
EARTH	2053-04-04 13:04	> 1 d	0.1406112	0.0245955	0.0995876
MERCURY	2059-07-23 20:37	> 1 w	0.0461243	0.0426083	0.0634111
EARTH	2060-04-08 21:46	> 1 d	0.0244978	0.0244804	0.0044835
EARTH	2067-04-11 17:42	369.3	0.1348588	0.0221032	0.3271301
MERCURY	2086-10-10 19:20	> 1 mo	0.0447476	0.0431211	0.3079471
EARTH	2089-04-03 17:53	> 1 mo	0.1661933	0.0239790	0.8239659
EARTH	2096-04-08 04:29	> 1 w	0.0381158	0.0236505	0.7251292
EARTH	2103-04-12 14:12	> 1 w	0.0885410	0.0227503	0.7260476

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
261.52989947	95.82472270	0.02561823	MINIMUM
89.39600497	349.39055516	0.25554723	MINIMUM
172.90460139	43.66648680	0.51488450	SADDLE
353.31374165	216.73856084	0.62214370	SADDLE
355.68162565	41.34838969	1.39009982	SADDLE
180.59358994	227.81388553	2.41969456	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out