Asteroids

2014HQ124 help

Last update: 2025-04-06 00:05 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Aten

Perihelion (q)

0.630

Aphelion (Q)

1.071

Eccentricity (e)

0.259

Inclination (i)

26.4

deg

Orbit period (P)

286.7

Earth MOID

0.00799

U parameter

1.3

Next Earth close approach

Date

2025-06-06

Nominal distance (from Earth center)

0.07231

10817002

Maximum Brightness

16.8

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

18.8

mag

Diameter

370

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2014-04-23

Observatory

WISE

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.850903

1-sigma variation

1.523E-8

Unit

Eccentricity (e)

Value

0.259165

1-sigma variation

1.222E-7

Unit

Inclination (i)

Value

26.3707

1-sigma variation

6.771E-6

Unit

Long. of Ascending Node (Ω)

Value

257.5373

1-sigma variation

6.416E-7

Unit

Arg. of Perihelion (ω)

Value

144.5182

1-sigma variation

2.013E-5

Unit

Mean Anomaly (M)

Value

198.29132

1-sigma variation

0.00013

Unit

Perihelion distance

Value

0.630378

1-sigma variation

Unit

Aphelion distance

Value

1.071427

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.008730

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.329641

1-sigma variation

Unit

MOID

Value

0.007992

1-sigma variation

Unit

Orbit Period

Value

286.6937

1-sigma variation

Unit

U parameter

Value

1.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.31905E-16	4.70655E-16	-1.43817E-14	3.32040E-15	-1.57257E-13	-1.87487E-12
e	4.70655E-16	1.49383E-14	-4.16631E-13	5.69746E-14	-2.36093E-12	5.12533E-13
i	-1.43817E-14	-4.16631E-13	4.58461E-11	5.50842E-13	6.42807E-11	-3.95377E-12
Ω	3.32040E-15	5.69746E-14	5.50842E-13	4.11652E-13	-9.65005E-12	-1.11923E-11
ω	-1.57257E-13	-2.36093E-12	6.42807E-11	-9.65005E-12	4.05084E-10	6.41282E-10
M	-1.87487E-12	5.12533E-13	-3.95377E-12	-1.11923E-11	6.41282E-10	1.64917E-8

Date of computation: 2025-03-29 00:36 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

[1]

Quality

Value

Unit

Source

[1]

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

18.811

Unit

mag

Source

[2]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[2]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.29

Unit

Source

[3]

Diameter

Value

370

Unit

Source

[1]

Color Index Information

Color Index Information

Value

Unit

Source

Color Index Information

Value

Unit

mag

Source

[-]

Sightings

Sightings

Value

Unit

Source

Sightings

Value

Radar R

Unit

Source

[4]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) High Resolution Radar at Arecibo Observatory Reveals Asteroid As a Beauty, Not a Beast
[2]	ESA Aegis	ESA orbit determination and impact monitoring system
[3]	EARN	1.) Nugent, C.R. et al. (2015) Astrophys. J. 814_117 (13pp) (NEOWISE Reactivation Mission Year One: Preliminary Asteroid Diameters and Albedos)(201 NEOs)
[4]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage 2.) High Resolution Radar at Arecibo Observatory Reveals Asteroid As a Beauty, Not a Beast

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

2594

Unit

Source

[1]

Unobserved

Value

1406

Unit

Source

[1]

Normalized RMS of residuals

Value

0.278177

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2014-04-23.802684

Unit

Source

[2]

Last Observation

Value

2021-05-31.272392

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

305 (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

2014-06-08

Unit

Source

[3]

Last Observation

Value

2014-06-10

Unit

Source

[3]

Delay (Discarded)

Value

5 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

3 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

8 (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

Close Approaches for 2014HQ124 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	1952-06-07 14:16	< 1 s	0.0086133	0.0086130	0.0000001
EARTH	1963-06-07 20:21	< 1 min	0.0386192	0.0386163	0.0000010
EARTH	1974-06-05 23:03	< 1 min	0.1232885	0.1232838	0.0000016
EARTH	1992-06-07 21:35	< 1 min	0.1290855	0.1290797	0.0000019
EARTH	2003-06-08 20:11	< 1 s	0.0447093	0.0447039	0.0000018
EARTH	2014-06-08 05:55	< 1 s	0.0083638	0.0083638	0.0000000
EARTH	2025-06-06 22:59	< 1 min	0.0723072	0.0723020	0.0000017
EARTH	2036-06-04 17:35	< 1 min	0.1617959	0.1617879	0.0000027
EARTH	2043-06-08 02:44	< 1 min	0.1751211	0.1751126	0.0000028
EARTH	2054-06-08 18:58	< 1 s	0.0877004	0.0876900	0.0000034
EARTH	2065-06-08 07:48	< 1 min	0.0195505	0.0195424	0.0000027
EARTH	2076-06-08 05:13	< 1 min	0.0327442	0.0327243	0.0000066
EARTH	2087-06-09 02:57	< 1 min	0.1027804	0.1027608	0.0000065
EARTH	2098-06-07 20:19	< 1 min	0.1869475	0.1869322	0.0000051
EARTH	2102-06-05 22:11	< 1 min	0.1797382	0.1797244	0.0000046
EARTH	2113-06-07 18:25	< 1 min	0.0944195	0.0944142	0.0000018
EARTH	2124-06-08 19:10	< 1 min	0.0232759	0.0232723	0.0000012

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
224.79175488	154.54207787	0.00799164	MINIMUM
40.75089027	350.11899468	0.31681930	MINIMUM
117.36169869	69.27558553	0.44441774	SADDLE
322.62960913	254.52030619	0.49713176	SADDLE
341.24755606	99.89125304	1.61426000	SADDLE
186.74701467	306.95712098	2.04676221	MAXIMUM

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MOID Plots

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