Asteroids

2024PQ4 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.661

Aphelion (Q)

3.553

Eccentricity (e)

0.686

Inclination (i)

2.8

deg

Orbit period (P)

1116.8

Earth MOID

0.00517

U parameter

4.8

Next Earth close approach

Date

2034-01-14

Nominal distance (from Earth center)

0.1923

28767216

Maximum Brightness

24.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.6

mag

Diameter

50 - 110*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-08-12

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

2.106586

1-sigma variation

0.000032

Unit

Eccentricity (e)

Value

0.686384

1-sigma variation

0.000006

Unit

Inclination (i)

Value

2.7895

1-sigma variation

3.322E-5

Unit

Long. of Ascending Node (Ω)

Value

339.3363

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

75.4551

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

131.86673

1-sigma variation

0.00299

Unit

Perihelion distance

Value

0.660660

1-sigma variation

Unit

Aphelion distance

Value

3.552513

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.059617

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.354963

1-sigma variation

Unit

MOID

Value

0.005169

1-sigma variation

Unit

Orbit Period

Value

1116.7793

1-sigma variation

Unit

U parameter

Value

4.8

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.05276E-9	2.01669E-10	5.35557E-10	9.10732E-10	3.57002E-9	-9.69849E-8
e	2.01669E-10	3.86441E-11	1.02656E-10	1.72315E-10	6.87418E-10	-1.85782E-8
i	5.35557E-10	1.02656E-10	1.10353E-9	-4.06516E-9	6.34703E-9	-4.93365E-8
Ω	9.10732E-10	1.72315E-10	-4.06516E-9	2.93923E-8	-2.52616E-8	-8.40701E-8
ω	3.57002E-9	6.87418E-10	6.34703E-9	-2.52616E-8	4.06859E-8	-3.28762E-7
M	-9.69849E-8	-1.85782E-8	-4.93365E-8	-8.40701E-8	-3.28762E-7	8.93468E-6

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

23.624

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

50 - 110*

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

192

Unit

Source

[1]

Unobserved

Value

283

Unit

Source

[1]

Normalized RMS of residuals

Value

0.793327

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-07-28.460573

Unit

Source

[2]

Last Observation

Value

2025-02-05.334811

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (1)

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 2024PQ4 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	1972-09-03 06:07	32.0	0.1168652	0.1159428	0.0003075
EARTH	1982-01-27 16:10	763.1	0.1009567	0.0832283	0.0059397
EARTH	2024-08-21 22:16	< 1 min	0.0714928	0.0714918	0.0000003
EARTH	2034-01-14 16:07	283.6	0.1922970	0.1889853	0.0011040
EARTH	2037-02-12 13:25	126.5	0.1597340	0.1546425	0.0016976
VENUS	2070-08-13 03:53	650.5	0.0427959	0.0280907	0.0050821
EARTH	2082-08-23 02:13	688.1	0.0581344	0.0345571	0.0078601
EARTH	2095-02-04 12:22	724.1	0.0170185	0.0145567	0.0038388

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
319.33150383	231.93056984	0.00513722	MINIMUM
39.29461312	31.33684566	0.02064134	MINIMUM
358.99824665	311.26522398	0.33077340	SADDLE
358.87874510	131.01483116	1.67074519	SADDLE
179.80546689	132.25481028	2.54305659	SADDLE
179.78790883	312.25150967	4.54043040	MAXIMUM

Download:

MOID Plots

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