Asteroids

523685 2014DN112 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.936

Aphelion (Q)

2.761

Eccentricity (e)

0.494

Inclination (i)

4.3

deg

Orbit period (P)

917.9

Earth MOID

0.00269

U parameter

0.0

Next Earth close approach

Date

2028-09-19

Nominal distance (from Earth center)

0.12166

18200523

Maximum Brightness

18.2

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

20.1

mag

Diameter

250 - 600*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2014-02-28

Observatory

Pan-STARRS 1, Haleakala

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

1.848467

1-sigma variation

9.002E-9

Unit

Eccentricity (e)

Value

0.493734

1-sigma variation

5.948E-8

Unit

Inclination (i)

Value

4.3015

1-sigma variation

4.691E-6

Unit

Long. of Ascending Node (Ω)

Value

260.1830

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

145.9245

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

300.61440

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.935816

1-sigma variation

Unit

Aphelion distance

Value

2.761118

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

1.347305

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.007601

1-sigma variation

Unit

MOID

Value

0.002691

1-sigma variation

Unit

Orbit Period

Value

917.9435

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	8.10383E-17	9.41595E-17	4.49676E-15	7.22741E-14	-1.57313E-13	2.01337E-14
e	9.41595E-17	3.53819E-15	2.64233E-14	3.94132E-13	-1.27880E-12	5.02960E-13
i	4.49676E-15	2.64233E-14	2.20074E-11	3.68426E-10	-3.78897E-10	6.21449E-12
Ω	7.22741E-14	3.94132E-13	3.68426E-10	1.74693E-8	-1.75809E-8	7.00259E-11
ω	-1.57313E-13	-1.27880E-12	-3.78897E-10	-1.75809E-8	1.80325E-8	-2.54981E-10
M	2.01337E-14	5.02960E-13	6.21449E-12	7.00259E-11	-2.54981E-10	1.24174E-10

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

20.147

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

250 - 600*

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

[-]

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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

3666

Unit

Source

[1]

Unobserved

Value

562

Unit

Source

[1]

Normalized RMS of residuals

Value

0.418326

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2014-02-28.46059

Unit

Source

[2]

Last Observation

Value

2024-03-13.1876

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

168 (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 523685 2014DN112 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	1950-12-12 07:43	< 1 min	0.0120164	0.0120106	0.0000019
EARTH	1955-12-27 19:20	< 1 min	0.1517134	0.1517051	0.0000028
EARTH	2028-09-19 09:42	< 1 min	0.1216630	0.1216623	0.0000002
EARTH	2033-10-12 21:52	< 1 min	0.0703464	0.0703459	0.0000001
EARTH	2038-11-19 17:39	< 1 min	0.0578253	0.0578243	0.0000003
EARTH	2043-12-14 19:19	< 1 min	0.0210702	0.0210683	0.0000006
EARTH	2096-10-21 05:17	17.1	0.0713756	0.0713691	0.0000022
EARTH	2101-12-21 14:23	6.9	0.0609227	0.0607957	0.0000423

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
19.09351308	336.47908192	0.00263897	MINIMUM
341.43315159	273.51275334	0.06946483	MINIMUM
352.50383729	292.02591864	0.07315404	SADDLE
179.34549558	123.28070484	1.75380398	SADDLE
358.35290045	121.97716998	1.94404643	SADDLE
179.57691815	303.42084548	3.75148255	MAXIMUM

Download:

MOID Plots

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