Asteroids

2013TJ6 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.026

Aphelion (Q)

1.339

Eccentricity (e)

0.132

Inclination (i)

27.1

deg

Orbit period (P)

469.6

Earth MOID

0.02965

U parameter

9.0

Next Earth close approach

Date

2031-10-08

Nominal distance (from Earth center)

0.03022

4521586

Maximum Brightness

18.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.2

mag

Diameter

25 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2013-10-05

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

1.182452

1-sigma variation

0.004270

Unit

Eccentricity (e)

Value

0.132065

1-sigma variation

0.003039

Unit

Inclination (i)

Value

27.1103

1-sigma variation

0.0357

Unit

Long. of Ascending Node (Ω)

Value

14.0608

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

13.0472

1-sigma variation

0.2437

Unit

Mean Anomaly (M)

Value

144.19519

1-sigma variation

8.06850

Unit

Perihelion distance

Value

1.026291

1-sigma variation

Unit

Aphelion distance

Value

1.338613

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.029667

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.331989

1-sigma variation

Unit

MOID

Value

0.029653

1-sigma variation

Unit

Orbit Period

Value

469.6493

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.82371E-5	1.29796E-5	1.52273E-4	2.73066E-6	-1.04059E-3	-3.44565E-2
e	1.29796E-5	9.23769E-6	1.08374E-4	1.94344E-6	-7.40601E-4	-2.45231E-2
i	1.52273E-4	1.08374E-4	1.27145E-3	2.28007E-5	-8.68849E-3	-2.87699E-1
Ω	2.73066E-6	1.94344E-6	2.28007E-5	4.08908E-7	-1.55803E-4	-5.15920E-3
ω	-1.04059E-3	-7.40601E-4	-8.68849E-3	-1.55803E-4	5.93768E-2	1.96605E0
M	-3.44565E-2	-2.45231E-2	-2.87699E-1	-5.15920E-3	1.96605E0	6.51007E1

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

25.165

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

25 - 60*

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

4366

Unit

Source

[1]

Normalized RMS of residuals

Value

0.545104

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2013-10-05.33965

Unit

Source

[2]

Last Observation

Value

2013-10-12.17277

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 2013TJ6 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	1986-10-01 04:56	> 1 d	0.1870589	0.0246728	0.1985553
EARTH	1995-10-04 14:42	> 1 d	0.1005123	0.0285732	0.1504563
EARTH	2004-10-06 03:48	> 1 d	0.0427466	0.0297829	0.0572096
EARTH	2013-10-07 05:58	< 1 min	0.0306721	0.0304805	0.0000639
EARTH	2022-10-07 17:17	> 1 d	0.0299003	0.0298961	0.0012214
EARTH	2031-10-08 03:52	> 1 w	0.0302249	0.0299494	0.0513888
EARTH	2040-10-07 22:28	> 1 mo	0.0354954	0.0297901	0.9187212
EARTH	2049-10-09 23:51	> 1 mo	0.0782240	0.0292042	4.0744398
EARTH	2058-10-12 23:09	> 1 mo	0.1569920	0.0266701	5.7161054
EARTH	2107-10-02 23:51	> 1 mo	0.1799604	0.0249523	6.6286013
EARTH	2116-10-05 08:54	> 1 mo	0.0954645	0.0285303	5.4061005
EARTH	2125-10-07 19:54	> 1 mo	0.0406383	0.0297346	2.2545986

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
348.64691321	272.82657081	0.03022057	MINIMUM
161.95094345	88.64991057	0.33228396	MINIMUM
78.42487017	11.74725583	0.52002956	SADDLE
253.99277085	170.34991484	0.55552586	SADDLE
13.90432997	118.83006783	2.02597870	SADDLE
171.56244665	276.17770423	2.33426290	MAXIMUM

Download:

MOID Plots

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