Asteroids

2024GD2 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.934

Aphelion (Q)

1.111

Eccentricity (e)

0.087

Inclination (i)

3.9

deg

Orbit period (P)

377.9

Earth MOID

0.03347

U parameter

8.0

Next Earth close approach

Date

2025-10-22

Nominal distance (from Earth center)

0.04396

6576162

Maximum Brightness

22.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.3

mag

Diameter

23 - 50*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-04-07

Observatory

Kitt Peak-Bok

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

1.022981

1-sigma variation

0.000609

Unit

Eccentricity (e)

Value

0.086522

1-sigma variation

0.001130

Unit

Inclination (i)

Value

3.9382

1-sigma variation

0.0519

Unit

Long. of Ascending Node (Ω)

Value

179.5915

1-sigma variation

0.0606

Unit

Arg. of Perihelion (ω)

Value

140.2477

1-sigma variation

0.4554

Unit

Mean Anomaly (M)

Value

86.74804

1-sigma variation

0.15410

Unit

Perihelion distance

Value

0.934471

1-sigma variation

Unit

Aphelion distance

Value

1.111491

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.090615

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.052077

1-sigma variation

Unit

MOID

Value

0.033468

1-sigma variation

Unit

Orbit Period

Value

377.9199

1-sigma variation

Unit

U parameter

Value

8.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.70780E-7	1.68649E-8	9.90100E-6	3.25970E-5	-2.63321E-4	-6.88376E-5
e	1.68649E-8	1.27655E-6	5.60894E-5	-3.04600E-5	1.49443E-4	-1.21373E-4
i	9.90100E-6	5.60894E-5	2.69103E-3	-5.22372E-4	8.52116E-6	-6.99555E-3
Ω	3.25970E-5	-3.04600E-5	-5.22372E-4	3.66633E-3	-2.71918E-2	-3.09177E-3
ω	-2.63321E-4	1.49443E-4	8.52116E-6	-2.71918E-2	2.07433E-1	3.39222E-2
M	-6.88376E-5	-1.21373E-4	-6.99555E-3	-3.09177E-3	3.39222E-2	2.37452E-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

25.344

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

23 - 50*

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

524

Unit

Source

[1]

Normalized RMS of residuals

Value

0.555534

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-04-07.234311

Unit

Source

[2]

Last Observation

Value

2024-04-10.28934

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

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 2024GD2 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	1963-05-01 03:53	> 1 mo	0.0528776	0.0506926	0.0528760
EARTH	1964-02-18 22:45	> 1 mo	0.1297756	0.1167500	0.0480135
EARTH	1964-09-21 11:53	> 1 mo	0.0610146	0.0437609	0.1633770
EARTH	1965-11-02 12:13	> 1 w	0.1474505	0.0363009	0.3149391
EARTH	1992-05-02 19:59	> 1 d	0.1808946	0.0520846	0.1420078
EARTH	1993-04-23 03:20	> 1 mo	0.0600410	0.0511795	0.0612380
EARTH	1994-02-10 21:11	> 1 mo	0.1327986	0.1244726	0.0164100
EARTH	1994-09-30 13:03	> 1 mo	0.0507422	0.0364441	0.0843139
EARTH	1995-11-02 23:31	> 1 d	0.1619524	0.0368485	0.1491498
EARTH	2023-05-03 22:26	106.4	0.0853525	0.0713097	0.0049644
EARTH	2024-03-17 18:42	270.7	0.1026387	0.0990385	0.0012001
EARTH	2024-07-31 05:45	633.8	0.0960624	0.0923376	0.0012426
EARTH	2025-01-13 02:52	> 1 d	0.1328736	0.1282672	0.0015359
EARTH	2025-10-22 12:06	813.4	0.0439589	0.0352496	0.0048203
EARTH	2052-05-02 15:00	> 1 d	0.1675196	0.0509413	0.1386930
EARTH	2053-04-16 00:56	> 1 mo	0.0693799	0.0553889	0.0737656
EARTH	2054-02-03 11:07	> 1 mo	0.1356348	0.1298651	0.0108059
EARTH	2054-10-09 19:54	> 1 mo	0.0383680	0.0314863	0.0683561
EARTH	2055-11-03 20:03	> 1 d	0.1936205	0.0383386	0.2029896
EARTH	2082-05-03 09:52	> 1 d	0.0798115	0.0491176	1.0086681
EARTH	2083-03-13 18:02	> 1 mo	0.1084040	0.0864742	0.4172259
EARTH	2083-08-06 10:29	> 1 mo	0.0938217	0.0860359	0.1798080
EARTH	2084-01-07 12:35	> 1 mo	0.1316128	0.1105744	0.1883242
EARTH	2084-10-23 20:16	> 1 mo	0.0572571	0.0322628	0.8054868
EARTH	2111-05-05 06:29	> 1 mo	0.0907194	0.0499632	6.7099630
EARTH	2112-03-16 21:41	> 1 mo	0.1063048	0.0843270	2.7808345
EARTH	2112-08-04 02:42	> 1 mo	0.0938759	0.0868428	1.0099389
EARTH	2113-01-09 11:14	> 1 mo	0.1326486	0.1155375	1.0965245
EARTH	2113-10-25 08:35	> 1 mo	0.0588392	0.0328714	5.4144658

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
59.65904719	281.94333694	0.03335859	MINIMUM
264.33748331	115.64875872	0.04977770	MINIMUM
338.94889292	194.48382385	0.09715638	SADDLE
164.15198377	22.25244355	0.13429206	SADDLE
353.35317702	30.39089982	1.91966585	SADDLE
175.40992051	212.45873264	2.12149496	MAXIMUM

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MOID Plots

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