Asteroids

2024TK13 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.887

Aphelion (Q)

1.660

Eccentricity (e)

0.303

Inclination (i)

2.3

deg

Orbit period (P)

525.2

Earth MOID

0.00100

U parameter

6.6

Next Earth close approach

Date

2037-06-29

Nominal distance (from Earth center)

0.09556

14294997

Maximum Brightness

29.1

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

28.6

mag

Diameter

5 - 11*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2024-10-12

Observatory

Catalina Sky 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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.273930

1-sigma variation

0.000127

Unit

Eccentricity (e)

Value

0.303415

1-sigma variation

0.000091

Unit

Inclination (i)

Value

2.3436

1-sigma variation

0.0006

Unit

Long. of Ascending Node (Ω)

Value

199.2250

1-sigma variation

4.374E-5

Unit

Arg. of Perihelion (ω)

Value

120.0565

1-sigma variation

0.0007

Unit

Mean Anomaly (M)

Value

310.69493

1-sigma variation

0.04791

Unit

Perihelion distance

Value

0.887400

1-sigma variation

Unit

Aphelion distance

Value

1.660460

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.360706

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.006043

1-sigma variation

Unit

MOID

Value

0.000999

1-sigma variation

Unit

Orbit Period

Value

525.1905

1-sigma variation

Unit

U parameter

Value

6.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.60156E-8	1.15524E-8	7.45635E-8	5.46138E-9	-8.74697E-8	-6.06252E-6
e	1.15524E-8	8.33304E-9	5.37870E-8	3.93997E-9	-6.31227E-8	-4.37301E-6
i	7.45635E-8	5.37870E-8	3.47678E-7	2.54975E-8	-4.08246E-7	-2.82248E-5
Ω	5.46138E-9	3.93997E-9	2.54975E-8	1.91293E-9	-3.00793E-8	-2.06726E-6
ω	-8.74697E-8	-6.31227E-8	-4.08246E-7	-3.00793E-8	4.86529E-7	3.31073E-5
M	-6.06252E-6	-4.37301E-6	-2.82248E-5	-2.06726E-6	3.31073E-5	2.29490E-3

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

28.589

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

5 - 11*

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

388

Unit

Source

[1]

Normalized RMS of residuals

Value

0.566904

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2024-10-11.431957

Unit

Source

[2]

Last Observation

Value

2024-10-21.33729

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

41 (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 2024TK13 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	1950-10-23 23:58	> 1 mo	0.1665538	0.0009476	38.5617697
EARTH	1953-10-16 23:24	> 1 mo	0.0648984	0.0019446	23.2702495
EARTH	1956-10-09 05:56	> 1 mo	0.0092389	0.0022385	1.6128032
EARTH	1959-08-09 13:38	> 1 mo	0.1220148	0.1076174	0.0325467
EARTH	1962-06-10 22:04	> 1 mo	0.0222604	0.0215227	0.0758801
EARTH	1993-10-06 22:14	> 1 d	0.0280316	0.0010293	0.0172235
EARTH	1996-07-12 20:34	> 1 w	0.1034477	0.0777032	0.0086751
EARTH	1999-05-30 13:46	> 1 d	0.1510472	0.0942467	0.0190494
EARTH	2024-10-10 21:59	< 1 s	0.0011433	0.0011424	0.0000003
EARTH	2037-06-29 14:00	> 1 d	0.0955562	0.0744894	0.0071894
EARTH	2047-10-19 03:44	> 1 d	0.0840029	0.0335679	0.0168116
EARTH	2050-05-24 19:16	893.7	0.1903997	0.1491784	0.0138038
EARTH	2060-09-01 18:17	704.8	0.1161789	0.1153554	0.0002746
EARTH	2073-06-13 18:45	> 1 d	0.0545894	0.0349278	0.0104706
EARTH	2083-10-20 10:22	> 1 d	0.1008315	0.0231911	0.0258838
EARTH	2086-05-26 16:20	> 1 d	0.1617725	0.0938751	0.0230388
EARTH	2096-09-22 03:49	> 1 d	0.0830714	0.0521417	0.0103256
EARTH	2109-07-12 19:04	> 1 d	0.1128322	0.1049320	0.0026508
EARTH	2122-06-03 19:55	> 1 d	0.0647042	0.0353048	0.0201011

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
44.50607829	276.45324182	0.00107253	MINIMUM
311.63286427	153.49583682	0.03484249	MINIMUM
357.15095838	213.76542874	0.13032973	SADDLE
178.79174802	35.85946264	0.67513421	SADDLE
358.05947681	35.01122547	1.87389433	SADDLE
178.99377869	215.99738238	2.67305305	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2024TK13

Date in UTC	MJD	σ	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS
2066-10-11.643	75934.643	-4.814	1.34 ± 0.001	2.60E5	3.82E-11	1.02E-2	-12.11
2092-10-11.209	85431.209	-4.571	1.64 ± 0.001	1.37E5	1.28E-10	1.02E-2	-11.80
2093-10-11.653	85796.653	-3.667	1.26 ± 0.000	5.63E5	2.11E-9	1.02E-2	-10.58
2098-10-12.049	87623.049	-4.773	0.91 ± 0.000	4.01E5	3.26E-11	1.02E-2	-12.43
2102-10-12.733	89083.733	-3.925	0.93 ± 0.001	1.51E5	3.43E-9	1.02E-2	-10.43
2102-10-12.750	89083.750	-4.331	1.53 ± 0.001	5.66E5	9.07E-11	1.02E-2	-12.00
2111-10-13.179	92371.179	-3.797	0.86 ± 0.001	1.65E5	5.26E-9	1.02E-2	-10.29


Based on 41 optical observations (of which 0 are rejected as outliers) from 2024/10/11.432 to 2024/10/21.337.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.71 and 1.71 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20250805 130500.123 UTC.

Download this part as:

Download Impactor Table as: