Asteroids

2024PT5 help

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

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

1.007

Aphelion (Q)

1.038

Eccentricity (e)

0.015

Inclination (i)

1.7

deg

Orbit period (P)

377.5

Earth MOID

0.01995

U parameter

0.5

Next Earth close approach

Date

2055-11-08

Nominal distance (from Earth center)

0.03578

5352442

Maximum Brightness

22.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.5

mag

Diameter

9 - 19*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-08-07

Observatory

ATLAS South Africa, Sutherland

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

1.022167

1-sigma variation

9.059E-9

Unit

Eccentricity (e)

Value

0.015274

1-sigma variation

1.093E-8

Unit

Inclination (i)

Value

1.7134

1-sigma variation

2.498E-7

Unit

Long. of Ascending Node (Ω)

Value

288.5691

1-sigma variation

1.733E-5

Unit

Arg. of Perihelion (ω)

Value

196.7517

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

117.25325

1-sigma variation

0.00007

Unit

Perihelion distance

Value

1.006555

1-sigma variation

Unit

Aphelion distance

Value

1.037779

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.020303

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.023647

1-sigma variation

Unit

MOID

Value

0.019953

1-sigma variation

Unit

Orbit Period

Value

377.4690

1-sigma variation

Unit

U parameter

Value

0.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.20687E-17	6.12155E-17	-3.16418E-16	-1.31652E-13	7.14728E-13	-6.13350E-13
e	6.12155E-17	1.19504E-16	1.14658E-15	-3.55655E-14	2.11234E-13	-2.18015E-13
i	-3.16418E-16	1.14658E-15	6.23934E-14	2.60000E-12	-9.18904E-12	6.40572E-12
Ω	-1.31652E-13	-3.55655E-14	2.60000E-12	3.00236E-10	-1.44286E-9	1.17587E-9
ω	7.14728E-13	2.11234E-13	-9.18904E-12	-1.44286E-9	7.64712E-9	-6.38221E-9
M	-6.13350E-13	-2.18015E-13	6.40572E-12	1.17587E-9	-6.38221E-9	5.36768E-9

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

27.463

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

9 - 19*

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

190

Unit

Source

[1]

Unobserved

Value

609

Unit

Source

[1]

Normalized RMS of residuals

Value

0.610457

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-07-31.127192

Unit

Source

[2]

Last Observation

Value

2025-02-06.11827

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

410 (5)

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 2024PT5 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	1959-08-01 19:29	1.2	0.1288138	0.1282078	0.0002020
EARTH	1960-03-18 14:51	1012.1	0.0554896	0.0554228	0.0000225
EARTH	1960-10-09 01:58	5.5	0.0982782	0.0974178	0.0002868
EARTH	1981-07-31 03:42	< 1 min	0.1575893	0.1575426	0.0000156
EARTH	1982-04-02 02:38	100.6	0.0557340	0.0557188	0.0000051
EARTH	1982-10-07 03:38	< 1 min	0.0804622	0.0803732	0.0000297
EARTH	2002-07-29 13:24	< 1 min	0.0899863	0.0899744	0.0000040
EARTH	2003-02-11 05:12	16.6	0.0572270	0.0572260	0.0000003
EARTH	2003-10-03 01:07	< 1 min	0.1535628	0.1535500	0.0000043
EARTH	2024-08-08 19:59	< 1 s	0.0037897	0.0037897	0.0000000
EARTH	2025-01-09 02:09	< 1 min	0.0120360	0.0120360	0.0000000
EARTH	2055-11-08 16:34	3.8	0.0357789	0.0357782	0.0000002
EARTH	2084-01-07 08:46	32.2	0.0114145	0.0113897	0.0000084
EARTH	2084-05-09 00:21	452.0	0.0214210	0.0212518	0.0000575
EARTH	2108-02-20 18:27	1039.2	0.0896230	0.0331115	0.0210166
EARTH	2108-07-29 13:00	> 1 mo	0.0471430	0.0368216	0.0058901
EARTH	2109-03-19 12:28	238.0	0.1455596	0.1212553	0.0081362

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
156.21015332	177.43818211	0.01995325	MINIMUM
351.96342313	12.54785951	0.02322677	MINIMUM
71.37341158	92.18116619	0.03436894	SADDLE
255.61471389	276.60950525	0.04112079	SADDLE
87.82400581	288.74271242	2.01594032	SADDLE
271.97299023	112.89168375	2.02784932	MAXIMUM

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MOID Plots

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