Asteroids

2024CZ help

Last update: 2026-06-04 23:11 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.962

Aphelion (Q)

1.057

Eccentricity (e)

0.047

Inclination (i)

10.5

deg

Orbit period (P)

370.5

Earth MOID

0.01273

U parameter

5.9

Next Earth close approach

Date

2087-07-27

Nominal distance (from Earth center)

0.15862

23729677

Maximum Brightness

25.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.5

mag

Diameter

13 - 29*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-02-05

Observatory

University of Arizona 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.009472

1-sigma variation

0.000027

Unit

Eccentricity (e)

Value

0.046910

1-sigma variation

0.000038

Unit

Inclination (i)

Value

10.4503

1-sigma variation

0.0096

Unit

Long. of Ascending Node (Ω)

Value

135.2267

1-sigma variation

0.0019

Unit

Arg. of Perihelion (ω)

Value

262.8669

1-sigma variation

0.0102

Unit

Mean Anomaly (M)

Value

205.04403

1-sigma variation

0.05524

Unit

Perihelion distance

Value

0.962118

1-sigma variation

Unit

Aphelion distance

Value

1.056827

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.027365

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.012998

1-sigma variation

Unit

MOID

Value

0.012729

1-sigma variation

Unit

Orbit Period

Value

370.4589

1-sigma variation

Unit

U parameter

Value

5.9

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.03294E-10	9.94690E-10	2.55031E-7	4.94059E-8	2.67176E-7	-1.46474E-6
e	9.94690E-10	1.40758E-9	3.60963E-7	6.99093E-8	3.77153E-7	-2.07103E-6
i	2.55031E-7	3.60963E-7	9.26638E-5	1.79376E-5	9.63325E-5	-5.30655E-4
Ω	4.94059E-8	6.99093E-8	1.79376E-5	3.47337E-6	1.87037E-5	-1.02839E-4
ω	2.67176E-7	3.77153E-7	9.63325E-5	1.87037E-5	1.03181E-4	-5.57961E-4
M	-1.46474E-6	-2.07103E-6	-5.30655E-4	-1.02839E-4	-5.57961E-4	3.05196E-3

Date of computation: 2026-06-04 23:11 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

26.523

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

13 - 29*

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

[-]

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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

888

Unit

Source

[1]

Normalized RMS of residuals

Value

0.587443

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-02-05.39779

Unit

Source

[2]

Last Observation

Value

2024-02-13.18666

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

26 (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 2024CZ 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	1953-07-31 14:57	118.5	0.1160036	0.1081560	0.0026203
EARTH	1954-08-06 01:55	38.2	0.0362696	0.0359627	0.0001044
EARTH	1955-02-16 08:03	62.9	0.1662251	0.1626877	0.0011841
EARTH	1955-08-10 12:32	265.9	0.0283831	0.0218372	0.0023045
EARTH	1956-02-10 03:02	335.6	0.0994306	0.0912741	0.0027381
EARTH	1956-08-16 05:26	320.7	0.1006689	0.0887957	0.0039746
EARTH	1957-02-04 06:24	338.1	0.0334746	0.0266203	0.0028483
EARTH	1957-08-24 19:44	251.3	0.1682906	0.1539303	0.0048037
EARTH	1958-02-01 17:05	201.2	0.0513295	0.0379683	0.0047865
EARTH	1959-01-31 09:32	24.9	0.1298946	0.1122622	0.0059100
EARTH	2020-07-30 12:17	10.5	0.1158343	0.1145568	0.0004259
EARTH	2021-08-05 03:25	37.3	0.0363759	0.0349982	0.0004609
EARTH	2022-02-14 21:57	28.7	0.1596255	0.1578862	0.0005800
EARTH	2022-08-09 18:57	42.3	0.0290960	0.0281050	0.0003312
EARTH	2023-02-08 23:27	21.8	0.0934380	0.0924596	0.0003263
EARTH	2023-08-16 12:17	25.2	0.1002559	0.1001625	0.0000311
EARTH	2024-02-04 07:12	< 1 min	0.0308681	0.0307846	0.0000278
EARTH	2024-08-24 09:06	7.2	0.1670530	0.1661125	0.0003136
EARTH	2025-01-31 13:02	5.2	0.0571134	0.0562339	0.0002936
EARTH	2026-01-30 03:07	5.0	0.1355199	0.1337427	0.0005926
EARTH	2087-07-27 15:54	696.7	0.1586231	0.1247054	0.0113347
EARTH	2088-08-01 08:19	959.7	0.0751414	0.0440171	0.0105379
EARTH	2089-02-20 11:54	1321.1	0.1849892	0.1591153	0.0087351
EARTH	2089-08-06 20:45	946.3	0.0128474	0.0128150	0.0005807
EARTH	2090-02-09 14:54	462.0	0.1108468	0.0614173	0.0218689
EARTH	2090-08-12 08:01	> 1 d	0.0633121	0.0162855	0.0355654
EARTH	2091-02-05 04:25	> 1 d	0.0506515	0.0314006	0.0387130
EARTH	2091-08-19 06:34	> 1 d	0.1254092	0.0270493	0.0544238
EARTH	2092-02-02 03:20	> 1 d	0.0314198	0.0248578	0.0411124
EARTH	2092-08-24 21:51	> 1 d	0.1932635	0.0412031	0.0866348
EARTH	2093-01-29 18:33	> 1 d	0.0995450	0.0286515	0.0902791
EARTH	2094-01-28 22:07	> 1 d	0.1849687	0.0363768	0.1117973

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
279.31720267	213.62312621	0.01421441	MINIMUM
93.13126975	31.73249518	0.02603128	MINIMUM
5.95312072	303.48992688	0.18017713	SADDLE
186.56856692	121.83436636	0.19356346	SADDLE
345.50368837	101.90186666	1.96035893	SADDLE
148.70293921	265.05841946	2.04616713	MAXIMUM

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MOID Plots

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