Asteroids

2024CN2 help

Last update: 2026-07-30 14:25 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.744

Aphelion (Q)

1.956

Eccentricity (e)

0.449

Inclination (i)

22.9

deg

Orbit period (P)

572.9

Earth MOID

0.03020

U parameter

8.0

Next Earth close approach

Date

2031-08-16

Nominal distance (from Earth center)

0.0998

14930238

Maximum Brightness

23.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

17 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-02-10

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.349955

1-sigma variation

0.001123

Unit

Eccentricity (e)

Value

0.448677

1-sigma variation

0.000522

Unit

Inclination (i)

Value

22.9090

1-sigma variation

0.0228

Unit

Long. of Ascending Node (Ω)

Value

318.4305

1-sigma variation

0.0007

Unit

Arg. of Perihelion (ω)

Value

95.8818

1-sigma variation

0.0203

Unit

Mean Anomaly (M)

Value

211.23452

1-sigma variation

0.73127

Unit

Perihelion distance

Value

0.744262

1-sigma variation

Unit

Aphelion distance

Value

1.955649

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.116247

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.044535

1-sigma variation

Unit

MOID

Value

0.030204

1-sigma variation

Unit

Orbit Period

Value

572.8983

1-sigma variation

Unit

U parameter

Value

8.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.26142E-6	5.86121E-7	2.56151E-5	-8.22015E-7	2.28304E-5	-8.21312E-4
e	5.86121E-7	2.72374E-7	1.19025E-5	-3.81732E-7	1.06035E-5	-3.81624E-4
i	2.56151E-5	1.19025E-5	5.20176E-4	-1.66905E-5	4.63548E-4	-1.66780E-2
Ω	-8.22015E-7	-3.81732E-7	-1.66905E-5	5.37439E-7	-1.49084E-5	5.35212E-4
ω	2.28304E-5	1.06035E-5	4.63548E-4	-1.49084E-5	4.13884E-4	-1.48648E-2
M	-8.21312E-4	-3.81624E-4	-1.66780E-2	5.35212E-4	-1.48648E-2	5.34756E-1

Date of computation: 2026-07-30 14:25 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

25.955

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

17 - 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

902

Unit

Source

[1]

Normalized RMS of residuals

Value

0.853882

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-02-10.303015

Unit

Source

[2]

Last Observation

Value

2024-02-16.32689

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

17 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 2024CN2 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	1962-08-23 06:46	> 1 w	0.1467632	0.0676417	0.2216103
EARTH	1966-02-06 20:03	> 1 w	0.0630657	0.0315163	0.2406538
EARTH	1973-08-17 21:06	> 1 w	0.0754654	0.0718202	0.0747253
EARTH	1977-01-31 08:08	> 1 w	0.0965604	0.0297198	0.2551275
EARTH	2013-02-12 07:36	> 1 d	0.1843284	0.0252534	0.0854240
EARTH	2020-08-21 04:30	1111.2	0.1044391	0.0739327	0.0168943
EARTH	2024-02-05 10:05	< 1 min	0.0308614	0.0307670	0.0000315
EARTH	2031-08-16 21:38	> 1 d	0.0998025	0.0741363	0.0401310
EARTH	2035-01-29 23:35	> 1 d	0.1393365	0.0251434	0.0858179
EARTH	2071-02-13 02:23	> 1 w	0.1858705	0.0233815	0.2507841
EARTH	2078-08-22 07:34	> 1 w	0.1169128	0.0751707	0.1896745
EARTH	2082-02-05 20:59	> 1 w	0.0381027	0.0283449	0.1694330
EARTH	2089-08-18 12:45	> 1 w	0.0786995	0.0768477	0.0581559
EARTH	2093-02-01 14:59	> 1 w	0.0720631	0.0271352	0.2904246
EARTH	2100-08-14 10:25	> 1 w	0.1610528	0.0739361	0.2786864

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
55.45189731	30.54564721	0.03020386	MINIMUM
298.56632895	222.04096886	0.07391096	MINIMUM
356.25722169	304.96106316	0.42027409	SADDLE
177.88242990	128.57614071	1.09644062	SADDLE
357.40320006	126.96959470	1.72073789	SADDLE
179.87216027	309.92370667	2.89326179	MAXIMUM

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MOID Plots

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