Asteroids

2024CA2 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.716

Aphelion (Q)

1.258

Eccentricity (e)

0.274

Inclination (i)

13.5

deg

Orbit period (P)

358.0

Earth MOID

0.02461

U parameter

7.9

Next Earth close approach

Date

2063-09-21

Nominal distance (from Earth center)

0.17255

25813406

Maximum Brightness

24.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.3

mag

Diameter

40 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-02-06

Observatory

Pleasant Groves Observatory

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

0.986771

1-sigma variation

0.000496

Unit

Eccentricity (e)

Value

0.274388

1-sigma variation

0.001268

Unit

Inclination (i)

Value

13.4924

1-sigma variation

0.0614

Unit

Long. of Ascending Node (Ω)

Value

331.3301

1-sigma variation

0.0061

Unit

Arg. of Perihelion (ω)

Value

278.3256

1-sigma variation

0.0272

Unit

Mean Anomaly (M)

Value

214.69799

1-sigma variation

0.32042

Unit

Perihelion distance

Value

0.716013

1-sigma variation

Unit

Aphelion distance

Value

1.257530

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.134167

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.039348

1-sigma variation

Unit

MOID

Value

0.024609

1-sigma variation

Unit

Orbit Period

Value

358.0332

1-sigma variation

Unit

U parameter

Value

7.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.45900E-7	6.25447E-7	3.03824E-5	-2.44098E-6	-1.33369E-5	-1.58856E-4
e	6.25447E-7	1.60727E-6	7.77225E-5	-5.75643E-6	-3.33810E-5	-4.03208E-4
i	3.03824E-5	7.77225E-5	3.76605E-3	-2.89491E-4	-1.63309E-3	-1.96048E-2
Ω	-2.44098E-6	-5.75643E-6	-2.89491E-4	3.68654E-5	1.47102E-4	1.60000E-3
ω	-1.33369E-5	-3.33810E-5	-1.63309E-3	1.47102E-4	7.41314E-4	8.64357E-3
M	-1.58856E-4	-4.03208E-4	-1.96048E-2	1.60000E-3	8.64357E-3	1.02667E-1

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

24.253

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

40 - 80*

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

625

Unit

Source

[1]

Normalized RMS of residuals

Value

0.818461

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-02-06.42887

Unit

Source

[2]

Last Observation

Value

2024-02-09.56452

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

16 (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 2024CA2 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	1965-09-18 13:24	> 1 w	0.1449815	0.0889495	0.2591063
EARTH	1966-09-11 08:08	> 1 w	0.0856379	0.0854734	0.0032062
EARTH	1967-08-31 07:16	> 1 mo	0.1410465	0.0944501	0.2446321
EARTH	1975-02-19 16:09	> 1 w	0.1024047	0.0256467	0.3356669
EARTH	1976-02-15 07:49	> 1 w	0.0322374	0.0250715	0.2096201
EARTH	1977-02-09 08:55	> 1 w	0.1483398	0.0267954	0.3249291
EARTH	2014-09-16 10:06	> 1 d	0.1133656	0.0884530	0.0322437
EARTH	2015-09-07 18:01	> 1 d	0.0989639	0.0877367	0.0203551
EARTH	2016-08-21 22:39	> 1 w	0.1831806	0.1170641	0.0303682
EARTH	2023-02-20 20:06	65.1	0.1445615	0.1306577	0.0046433
EARTH	2024-02-16 23:39	1.8	0.0300917	0.0296702	0.0001405
EARTH	2025-02-11 09:07	261.6	0.1050327	0.0910525	0.0046856
EARTH	2063-09-21 03:09	> 1 w	0.1725520	0.0913539	0.1403029
EARTH	2064-09-13 02:03	> 1 w	0.0922276	0.0873737	0.0526740
EARTH	2065-09-03 03:49	> 1 w	0.1226447	0.0917571	0.1128729
EARTH	2073-02-20 01:19	> 1 d	0.1265402	0.0234265	0.1847789
EARTH	2074-02-16 05:04	> 1 w	0.0238460	0.0229486	0.0487636
EARTH	2075-02-11 19:34	> 1 w	0.1116622	0.0241625	0.2571681
EARTH	2114-09-20 19:58	> 1 mo	0.1563301	0.0917903	2.4649042
EARTH	2115-09-13 17:15	> 1 mo	0.0891249	0.0879560	0.4759357
EARTH	2116-09-02 07:50	> 1 mo	0.1315788	0.0939278	2.3411235
EARTH	2124-02-21 19:54	> 1 mo	0.1289468	0.0227345	4.4601708
EARTH	2125-02-17 02:39	> 1 mo	0.0237462	0.0223241	1.5214790

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
272.93394939	43.80831369	0.02438491	MINIMUM
82.72455757	246.70015435	0.08626722	MINIMUM
358.54782508	144.90478241	0.35772191	SADDLE
177.18391520	325.90490742	0.37560341	SADDLE
1.28460587	328.72565777	1.69081710	SADDLE
182.23077474	149.78355432	2.25641881	MAXIMUM

Download:

MOID Plots

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