Asteroids

2024TC15 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.909

Aphelion (Q)

1.774

Eccentricity (e)

0.323

Inclination (i)

10.5

deg

Orbit period (P)

567.5

Earth MOID

0.00692

U parameter

7.7

Next Earth close approach

Date

2038-10-09

Nominal distance (from Earth center)

0.11663

17447542

Maximum Brightness

24.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.8

mag

Diameter

12 - 26*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-10-08

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

1.341446

1-sigma variation

0.000717

Unit

Eccentricity (e)

Value

0.322504

1-sigma variation

0.000403

Unit

Inclination (i)

Value

10.4872

1-sigma variation

0.0107

Unit

Long. of Ascending Node (Ω)

Value

24.0855

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

53.0967

1-sigma variation

0.0080

Unit

Mean Anomaly (M)

Value

226.24473

1-sigma variation

0.17189

Unit

Perihelion distance

Value

0.908824

1-sigma variation

Unit

Aphelion distance

Value

1.774068

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.010219

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.486109

1-sigma variation

Unit

MOID

Value

0.006918

1-sigma variation

Unit

Orbit Period

Value

567.4898

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.14015E-7	2.88880E-7	7.66410E-6	4.57264E-7	-5.73304E-6	-1.23235E-4
e	2.88880E-7	1.62352E-7	4.30728E-6	2.56983E-7	-3.22195E-6	-6.92590E-5
i	7.66410E-6	4.30728E-6	1.14274E-4	6.81778E-6	-8.54786E-5	-1.83747E-3
Ω	4.57264E-7	2.56983E-7	6.81778E-6	4.06853E-7	-5.10083E-6	-1.09629E-4
ω	-5.73304E-6	-3.22195E-6	-8.54786E-5	-5.10083E-6	6.39604E-5	1.37449E-3
M	-1.23235E-4	-6.92590E-5	-1.83747E-3	-1.09629E-4	1.37449E-3	2.95457E-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

26.799

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

12 - 26*

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

393

Unit

Source

[1]

Normalized RMS of residuals

Value

0.723605

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-10-08.420163

Unit

Source

[2]

Last Observation

Value

2024-10-16.267026

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (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 2024TC15 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	1988-10-13 22:31	> 1 mo	0.0508290	0.0043861	1.5086834
EARTH	1999-10-18 16:46	> 1 w	0.0104841	0.0063423	0.0941775
EARTH	2014-02-06 16:26	> 1 d	0.1889192	0.1772937	0.0188638
EARTH	2024-10-17 20:48	< 1 min	0.0122863	0.0122455	0.0000136
EARTH	2038-10-09 18:07	> 1 d	0.1166296	0.0007314	0.0690552
EARTH	2056-02-10 04:44	> 1 d	0.1933107	0.1749861	0.0405161
EARTH	2070-01-03 15:07	> 1 mo	0.1797267	0.1786666	0.0070600
EARTH	2083-11-12 13:46	> 1 w	0.1219744	0.0357091	0.0794285
EARTH	2097-10-25 05:46	> 1 w	0.0473405	0.0056470	0.0637647
EARTH	2111-10-30 12:09	> 1 w	0.0697224	0.0007573	0.1287554
EARTH	2125-11-26 01:04	> 1 mo	0.1487320	0.0794009	0.1070814

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
321.94014558	284.35561597	0.00706171	MINIMUM
41.28333513	30.28475193	0.17604421	MINIMUM
22.70037806	6.07320453	0.18006484	SADDLE
182.87806209	156.33036546	0.78479040	SADDLE
0.13545760	155.11201552	1.91833665	SADDLE
178.32667820	333.03650472	2.75271402	MAXIMUM

Download:

MOID Plots

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