Asteroids

2014TM help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.960

Aphelion (Q)

1.548

Eccentricity (e)

0.234

Inclination (i)

9.6

deg

Orbit period (P)

512.7

Earth MOID

0.00881

U parameter

9.0

Next Earth close approach

Date

2028-10-28

Nominal distance (from Earth center)

0.11092

16593782

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.4

mag

Diameter

14 - 30*

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.253682

1-sigma variation

0.020443

Unit

Eccentricity (e)

Value

0.234443

1-sigma variation

0.007761

Unit

Inclination (i)

Value

9.6432

1-sigma variation

0.0521

Unit

Long. of Ascending Node (Ω)

Value

9.3170

1-sigma variation

0.0006

Unit

Arg. of Perihelion (ω)

Value

43.2341

1-sigma variation

3.1982

Unit

Mean Anomaly (M)

Value

313.27936

1-sigma variation

24.64090

Unit

Perihelion distance

Value

0.959765

1-sigma variation

Unit

Aphelion distance

Value

1.547598

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.010787

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.428850

1-sigma variation

Unit

MOID

Value

0.008806

1-sigma variation

Unit

Orbit Period

Value

512.7190

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.17925E-4	1.58667E-4	1.06538E-3	-1.30512E-5	-6.53806E-2	-5.03738E-1
e	1.58667E-4	6.02384E-5	4.04471E-4	-4.95492E-6	-2.48220E-2	-1.91246E-1
i	1.06538E-3	4.04471E-4	2.71906E-3	-3.32948E-5	-1.66668E-1	-1.28413E0
Ω	-1.30512E-5	-4.95492E-6	-3.32948E-5	4.07785E-7	2.04174E-3	1.57311E-2
ω	-6.53806E-2	-2.48220E-2	-1.66668E-1	2.04174E-3	1.02282E1	7.88053E1
M	-5.03738E-1	-1.91246E-1	-1.28413E0	1.57311E-2	7.88053E1	6.07172E2

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

26.373

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

14 - 30*

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

4003

Unit

Source

[1]

Normalized RMS of residuals

Value

0.580524

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2014-10-02.21493

Unit

Source

[2]

Last Observation

Value

2014-10-03.30337

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

24 (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 2014TM 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	1957-09-23 23:49	> 1 mo	0.1070401	0.0006106	1.9153256
EARTH	1975-10-05 19:43	> 1 w	0.0109143	0.0081125	0.0831945
EARTH	2007-12-05 09:36	> 1 d	0.1762306	0.1377233	0.0188197
EARTH	2014-10-05 15:43	< 1 min	0.0115304	0.0114870	0.0000145
EARTH	2021-10-04 20:27	> 1 d	0.0096100	0.0089192	0.0111094
EARTH	2028-10-28 16:36	> 1 mo	0.1109226	0.0370425	0.9091614
EARTH	2066-09-19 06:16	> 1 mo	0.1772115	0.0067783	4.5408662
EARTH	2073-10-01 13:58	> 1 mo	0.0266361	0.0090614	3.8673835
EARTH	2080-09-29 23:41	> 1 mo	0.0388153	0.0083112	15.3831359
EARTH	2087-09-20 07:40	> 1 mo	0.1669909	0.0055604	7.1975406

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
326.83892524	269.79021437	0.00924327	MINIMUM
184.45680950	132.96530292	0.55708968	SADDLE
358.53597216	128.82215246	1.96685618	SADDLE
176.72064989	306.84559650	2.53361929	MAXIMUM

Download:

MOID Plots

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