Asteroids

2014WX202 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.975

Aphelion (Q)

1.096

Eccentricity (e)

0.059

Inclination (i)

0.4

deg

Orbit period (P)

384.9

Earth MOID

0.00091

U parameter

2.5

Next Earth close approach

Date

2033-10-25

Nominal distance (from Earth center)

0.18934

28325361

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

29.7

mag

Diameter

3 - 7*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2014-11-24

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

1.035551

1-sigma variation

1.539E-7

Unit

Eccentricity (e)

Value

0.058800

1-sigma variation

0.000001

Unit

Inclination (i)

Value

0.4129

1-sigma variation

1.460E-5

Unit

Long. of Ascending Node (Ω)

Value

243.8854

1-sigma variation

0.0010

Unit

Arg. of Perihelion (ω)

Value

214.1859

1-sigma variation

0.0005

Unit

Mean Anomaly (M)

Value

122.26670

1-sigma variation

0.00121

Unit

Perihelion distance

Value

0.974660

1-sigma variation

Unit

Aphelion distance

Value

1.096441

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.070441

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.003046

1-sigma variation

Unit

MOID

Value

0.000912

1-sigma variation

Unit

Orbit Period

Value

384.9067

1-sigma variation

Unit

U parameter

Value

2.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.36946E-14	-2.98409E-14	-1.00050E-12	-7.23568E-11	-3.90836E-11	-2.81617E-11
e	-2.98409E-14	4.01194E-13	9.10588E-12	6.51864E-10	2.95452E-10	-6.84740E-10
i	-1.00050E-12	9.10588E-12	2.13106E-10	1.51751E-8	6.94718E-9	-1.43551E-8
Ω	-7.23568E-11	6.51864E-10	1.51751E-8	1.08640E-6	4.98399E-7	-1.02469E-6
ω	-3.90836E-11	2.95452E-10	6.94718E-9	4.98399E-7	2.31858E-7	-4.41236E-7
M	-2.81617E-11	-6.84740E-10	-1.43551E-8	-1.02469E-6	-4.41236E-7	1.46000E-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

[1]

Taxonomy (all)

Value

Unit

Source

[2]

Absolute Magnitude (H)
Slope Parameter (G)

H / G

Value

Unit

Source

Absolute Magnitude (H)

Value

29.684

Unit

mag

Source

[3]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[3]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[4]

Diameter

Value

3 - 7*

Unit

Source

[4]

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

[5]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Maxime Devogèle et al 2019 AJ 158 196
[2]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[3]	ESA Aegis	ESA orbit determination and impact monitoring system
[4]	Estimation	Estimated from absolute magnitude
[5]	EARN	1.) href="http://echo.jpl.nasa.gov/asteroids/index.html">JPL's NEO Radar Detection Program Webpage

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

Unit

Source

[1]

Unobserved

Value

3969

Unit

Source

[1]

Normalized RMS of residuals

Value

0.562643

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2014-11-24.39263

Unit

Source

[2]

Last Observation

Value

2014-12-08.106104

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

43 (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

2014-11-27

Unit

Source

[3]

Last Observation

Value

2014-11-27

Unit

Source

[3]

Delay (Discarded)

Value

0 (0)

Unit

Source

[-]

Doppler (Discarded)

Value

1 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

1 (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 2014WX202 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	1977-02-19 11:15	> 1 d	0.1819749	0.1714236	0.0035176
EARTH	1978-02-18 14:44	> 1 w	0.0467924	0.0137079	0.0499976
EARTH	1978-10-15 06:10	> 1 w	0.0222768	0.0186388	0.0037596
EARTH	1979-02-19 18:55	> 1 d	0.0183253	0.0180513	0.0009083
EARTH	1979-09-02 00:15	4.1	0.0022347	0.0021583	0.0000271
EARTH	1980-04-02 18:56	188.0	0.0446103	0.0445339	0.0000254
EARTH	1980-12-27 01:03	2.2	0.0439973	0.0436564	0.0001136
EARTH	2013-08-25 15:52	< 1 min	0.0916229	0.0916133	0.0000032
EARTH	2014-06-07 18:17	5.8	0.0447003	0.0446965	0.0000013
EARTH	2014-12-07 20:14	< 1 min	0.0025111	0.0025110	0.0000000
EARTH	2033-10-25 02:03	< 1 min	0.1893433	0.1892636	0.0000266
EARTH	2034-07-19 23:51	92.3	0.0763689	0.0763603	0.0000029
EARTH	2035-02-23 00:31	1.6	0.1012196	0.1011377	0.0000273
EARTH	2052-10-25 10:46	3.5	0.1826323	0.1823114	0.0001070
EARTH	2053-07-12 03:44	316.6	0.0797365	0.0797093	0.0000091
EARTH	2054-02-22 22:18	5.6	0.1211791	0.1208580	0.0001070
EARTH	2071-11-05 01:20	28.9	0.0413390	0.0406694	0.0002232
EARTH	2072-05-12 22:07	82.2	0.0615806	0.0613359	0.0000816
EARTH	2093-10-29 08:11	527.4	0.0723695	0.0465897	0.0085962
EARTH	2094-06-07 22:12	> 1 w	0.0659628	0.0615005	0.0014991
EARTH	2095-03-03 11:00	400.6	0.1447832	0.1355467	0.0030791
EARTH	2117-12-09 03:33	> 1 mo	0.0100348	0.0060567	0.0241825

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
321.22535359	315.60577503	0.00092278	MINIMUM
34.66157450	32.00918888	0.00668104	MINIMUM
2.06705822	358.10586230	0.00987276	SADDLE
178.95869465	174.82267145	0.08027782	SADDLE
358.34425190	174.22487330	1.99088051	SADDLE
178.62415991	354.50517612	2.08011944	MAXIMUM

Download:

MOID Plots

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