Asteroids

2024CH2 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.856

Aphelion (Q)

1.967

Eccentricity (e)

0.394

Inclination (i)

1.7

deg

Orbit period (P)

612.4

Earth MOID

0.00805

U parameter

7.6

Next Earth close approach

Date

2029-04-01

Nominal distance (from Earth center)

0.14065

21040492

Maximum Brightness

32.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.1

mag

Diameter

16 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-02-07

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

1.411298

1-sigma variation

0.000790

Unit

Eccentricity (e)

Value

0.393536

1-sigma variation

0.000428

Unit

Inclination (i)

Value

1.6962

1-sigma variation

0.0019

Unit

Long. of Ascending Node (Ω)

Value

312.0500

1-sigma variation

0.0007

Unit

Arg. of Perihelion (ω)

Value

254.4787

1-sigma variation

0.0039

Unit

Mean Anomaly (M)

Value

351.40723

1-sigma variation

0.29107

Unit

Perihelion distance

Value

0.855902

1-sigma variation

Unit

Aphelion distance

Value

1.966695

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.318151

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.092743

1-sigma variation

Unit

MOID

Value

0.008047

1-sigma variation

Unit

Orbit Period

Value

612.3881

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.24793E-7	3.38495E-7	1.46540E-6	5.76453E-7	3.09374E-6	-2.30075E-4
e	3.38495E-7	1.83387E-7	7.93915E-7	3.12307E-7	1.67613E-6	-1.24648E-4
i	1.46540E-6	7.93915E-7	3.43733E-6	1.35260E-6	7.25640E-6	-5.39623E-4
Ω	5.76453E-7	3.12307E-7	1.35260E-6	5.35526E-7	2.85075E-6	-2.12274E-4
ω	3.09374E-6	1.67613E-6	7.25640E-6	2.85075E-6	1.53313E-5	-1.13925E-3
M	-2.30075E-4	-1.24648E-4	-5.39623E-4	-2.12274E-4	-1.13925E-3	8.47230E-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

26.059

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

16 - 40*

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

588

Unit

Source

[1]

Normalized RMS of residuals

Value

0.480164

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-01-19.569477

Unit

Source

[2]

Last Observation

Value

2024-02-13.8723

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (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 2024CH2 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	1952-06-17 13:43	> 1 d	0.0387672	0.0208876	0.0175584
EARTH	1957-06-22 00:12	1056.2	0.0209849	0.0209302	0.0005615
EARTH	1962-06-27 16:28	> 1 d	0.0652190	0.0207222	0.0306233
EARTH	1967-07-04 20:14	> 1 d	0.1649461	0.0447718	0.0409241
EARTH	2014-02-04 09:35	> 1 d	0.1760661	0.0755175	0.0335479
EARTH	2019-02-12 03:06	> 1 d	0.0595905	0.0077439	0.0264460
EARTH	2024-02-18 23:22	< 1 min	0.0145792	0.0145344	0.0000149
EARTH	2029-04-01 16:40	> 1 w	0.1406470	0.1182687	0.0074626
EARTH	2034-05-20 03:47	> 1 w	0.1268824	0.0591160	0.0228978
EARTH	2039-06-24 16:21	> 1 d	0.0279851	0.0198955	0.0493366
EARTH	2066-02-06 07:28	> 1 d	0.1523854	0.0051612	0.0737388
EARTH	2071-03-05 03:43	> 1 w	0.0852275	0.0087346	0.0499760
EARTH	2076-05-11 09:21	> 1 w	0.1385367	0.1049321	0.0112139
EARTH	2081-06-27 18:29	1233.6	0.0605825	0.0350016	0.0089050
EARTH	2108-03-03 10:11	> 1 mo	0.0765364	0.0067421	0.1170501
EARTH	2113-05-19 23:15	> 1 mo	0.1289858	0.0194915	0.0497823
EARTH	2118-07-04 01:50	> 1 d	0.1239263	0.0189815	0.0806333

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
319.44026262	45.10968922	0.00803000	MINIMUM
44.82580511	168.15105836	0.02005851	MINIMUM
2.62311053	107.22039168	0.15094043	SADDLE
181.09550830	285.47195130	0.97192065	SADDLE
2.44478793	286.95855741	1.85099199	SADDLE
181.06617779	105.45662326	2.97052450	MAXIMUM

Download:

MOID Plots

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