Asteroids

2014TN17 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.670

Aphelion (Q)

3.845

Eccentricity (e)

0.703

Inclination (i)

16.3

deg

Orbit period (P)

1239.2

Earth MOID

0.01951

U parameter

0.0

Next Earth close approach

Date

2042-03-14

Nominal distance (from Earth center)

0.13087

19578380

Maximum Brightness

20.7

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

21.6

mag

Diameter

130 - 290*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2014-10-02

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.257844

1-sigma variation

3.643E-9

Unit

Eccentricity (e)

Value

0.703051

1-sigma variation

1.523E-8

Unit

Inclination (i)

Value

16.2848

1-sigma variation

1.872E-5

Unit

Long. of Ascending Node (Ω)

Value

0.4723

1-sigma variation

7.289E-6

Unit

Arg. of Perihelion (ω)

Value

106.3676

1-sigma variation

6.660E-6

Unit

Mean Anomaly (M)

Value

140.43811

1-sigma variation

5.102E-7

Unit

Perihelion distance

Value

0.670464

1-sigma variation

Unit

Aphelion distance

Value

3.845223

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.420185

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.042950

1-sigma variation

Unit

MOID

Value

0.019513

1-sigma variation

Unit

Orbit Period

Value

1239.1939

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.32689E-17	6.07887E-18	4.47536E-14	1.95930E-14	-2.25538E-14	-1.27457E-15
e	6.07887E-18	2.32019E-16	-1.43828E-13	-6.01579E-14	-9.38255E-16	2.65715E-15
i	4.47536E-14	-1.43828E-13	3.50414E-10	1.25977E-10	-7.94630E-11	-8.92626E-12
Ω	1.95930E-14	-6.01579E-14	1.25977E-10	5.31228E-11	-3.89796E-11	-3.00999E-12
ω	-2.25538E-14	-9.38255E-16	-7.94630E-11	-3.89796E-11	4.43529E-11	1.91277E-12
M	-1.27457E-15	2.65715E-15	-8.92626E-12	-3.00999E-12	1.91277E-12	2.60290E-13

Date of computation: 2026-03-17 23:26 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

21.581

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

130 - 290*

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

3876

Unit

Source

[1]

Unobserved

Value

379

Unit

Source

[1]

Normalized RMS of residuals

Value

0.56982

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2014-08-25.550541

Unit

Source

[2]

Last Observation

Value

2025-04-05.150045

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

131 (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

2025-03-25

Unit

Source

[3]

Last Observation

Value

2025-03-27

Unit

Source

[3]

Delay (Discarded)

Value

2 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

3 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

5 (0)

Unit

Source

[1]

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
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 2014TN17 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	1963-10-24 02:55	< 1 min	0.1412754	0.1412734	0.0000007
EARTH	2008-04-04 08:27	< 1 s	0.1909701	0.1909695	0.0000002
EARTH	2014-10-19 05:06	< 1 s	0.1233662	0.1233659	0.0000001
EARTH	2025-03-26 11:32	< 1 s	0.0340400	0.0340400	0.0000000
EARTH	2042-03-14 15:22	< 1 min	0.1308734	0.1308728	0.0000002
EARTH	2092-10-15 09:18	< 1 min	0.1449984	0.1449981	0.0000001

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
36.97068996	81.75494669	0.02015700	MINIMUM
320.20989200	283.74972983	0.12549151	MINIMUM
357.16915876	359.16729168	0.38536314	SADDLE
359.40004887	184.55852756	1.67327412	SADDLE
179.57705860	186.01614157	2.87754126	SADDLE
180.29266348	6.32573443	4.79960330	MAXIMUM

Download:

MOID Plots

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