Asteroids

2014XL7 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.772

Aphelion (Q)

2.537

Eccentricity (e)

0.533

Inclination (i)

7.5

deg

Orbit period (P)

777.3

Earth MOID

0.00243

U parameter

3.0

Next Earth close approach

Date

2029-05-26

Nominal distance (from Earth center)

0.13914

20815525

Maximum Brightness

19.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

20.9

mag

Diameter

180 - 400*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2014-12-11

Observatory

Mt. Lemmon 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

1.654457

1-sigma variation

0.000001

Unit

Eccentricity (e)

Value

0.533140

1-sigma variation

0.000001

Unit

Inclination (i)

Value

7.5003

1-sigma variation

3.318E-5

Unit

Long. of Ascending Node (Ω)

Value

74.4493

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

250.8015

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

103.17330

1-sigma variation

0.00112

Unit

Perihelion distance

Value

0.772400

1-sigma variation

Unit

Aphelion distance

Value

2.536515

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.450223

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.008493

1-sigma variation

Unit

MOID

Value

0.002429

1-sigma variation

Unit

Orbit Period

Value

777.2877

1-sigma variation

Unit

U parameter

Value

3.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.90664E-13	-9.06252E-13	1.21970E-11	-3.06485E-11	-8.42005E-11	-8.58137E-10
e	-9.06252E-13	1.43871E-12	-1.84475E-11	4.71860E-11	1.25043E-10	1.31478E-9
i	1.21970E-11	-1.84475E-11	1.10060E-9	5.47805E-10	-2.94200E-9	-1.77241E-8
Ω	-3.06485E-11	4.71860E-11	5.47805E-10	5.02968E-9	1.16741E-9	4.42734E-8
ω	-8.42005E-11	1.25043E-10	-2.94200E-9	1.16741E-9	1.62949E-8	1.21696E-7
M	-8.58137E-10	1.31478E-9	-1.77241E-8	4.42734E-8	1.21696E-7	1.24794E-6

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

20.884

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

180 - 400*

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

713

Unit

Source

[1]

Unobserved

Value

3243

Unit

Source

[1]

Normalized RMS of residuals

Value

0.488605

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2014-12-11.26868

Unit

Source

[2]

Last Observation

Value

2016-11-23.10321

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

65 (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

Close Approaches for 2014XL7 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
MARS	1970-04-19 22:04	20.6	0.0145037	0.0137098	0.0002654
MARS	2019-03-17 12:50	< 1 min	0.0254048	0.0253523	0.0000175
EARTH	2029-05-26 06:35	4.6	0.1391432	0.1389782	0.0000550
EARTH	2046-05-29 09:08	6.6	0.0927832	0.0925609	0.0000741
EARTH	2063-05-25 23:12	< 1 min	0.1566837	0.1566757	0.0000027
EARTH	2118-11-09 11:04	10.0	0.1593784	0.1590329	0.0001152

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
316.57963148	150.94159205	0.00193163	MINIMUM
42.94009290	295.03134082	0.08243981	MINIMUM
0.56353366	224.74151672	0.26319201	SADDLE
179.92145898	42.55189047	1.56022140	SADDLE
359.01723864	41.85626794	1.75697251	SADDLE
179.45920553	222.29026512	3.54225469	MAXIMUM

Download:

MOID Plots

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