Asteroids

2014EB4 help

Last update: 2026-03-11 11:45 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.997

Aphelion (Q)

2.595

Eccentricity (e)

0.445

Inclination (i)

10.2

deg

Orbit period (P)

879.2

Earth MOID

0.02183

U parameter

0.6

Next Earth close approach

Date

2079-02-14

Nominal distance (from Earth center)

0.09425

14098914

Maximum Brightness

23.6

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.9

mag

Diameter

18 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2014-03-07

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

1.796122

1-sigma variation

9.342E-9

Unit

Eccentricity (e)

Value

0.445025

1-sigma variation

3.050E-7

Unit

Inclination (i)

Value

10.2148

1-sigma variation

3.825E-5

Unit

Long. of Ascending Node (Ω)

Value

348.7899

1-sigma variation

4.977E-6

Unit

Arg. of Perihelion (ω)

Value

159.1747

1-sigma variation

0.0003

Unit

Mean Anomaly (M)

Value

43.93292

1-sigma variation

0.00009

Unit

Perihelion distance

Value

0.996802

1-sigma variation

Unit

Aphelion distance

Value

2.595442

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.459187

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.024511

1-sigma variation

Unit

MOID

Value

0.021832

1-sigma variation

Unit

Orbit Period

Value

879.2293

1-sigma variation

Unit

U parameter

Value

0.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.72677E-17	5.09820E-16	-3.16434E-13	1.38440E-14	-2.00585E-13	6.51514E-14
e	5.09820E-16	9.30024E-14	-1.28363E-12	-4.55735E-13	-8.40283E-11	2.82831E-11
i	-3.16434E-13	-1.28363E-12	1.46274E-9	-8.96820E-11	4.71774E-10	-1.31940E-10
Ω	1.38440E-14	-4.55735E-13	-8.96820E-11	2.47694E-11	4.18537E-10	-1.48216E-10
ω	-2.00585E-13	-8.40283E-11	4.71774E-10	4.18537E-10	7.69656E-8	-2.58954E-8
M	6.51514E-14	2.82831E-11	-1.31940E-10	-1.48216E-10	-2.58954E-8	8.71564E-9

Date of computation: 2026-03-11 11:45 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

25.874

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

18 - 40*

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

4387

Unit

Source

[1]

Unobserved

Value

Unit

Source

[1]

Normalized RMS of residuals

Value

0.553071

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2014-03-07.29381

Unit

Source

[2]

Last Observation

Value

2026-03-11.311902

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

108 (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

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 2014EB4 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	2002-03-19 23:59	< 1 min	0.0921396	0.0921348	0.0000016
EARTH	2014-03-07 17:18	< 1 min	0.0214835	0.0214833	0.0000001
EARTH	2026-03-12 02:18	< 1 min	0.0380228	0.0380225	0.0000001
EARTH	2079-02-14 10:16	< 1 min	0.0942454	0.0942389	0.0000022
EARTH	2091-03-12 17:46	< 1 min	0.0387800	0.0387754	0.0000015

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
11.10856269	60.62360438	0.02183243	MINIMUM
179.73567844	223.95554316	1.58664375	SADDLE
0.77005003	224.40612308	2.00793350	SADDLE
180.83377907	44.62481733	3.58221957	MAXIMUM

Download:

MOID Plots

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