Asteroids

2014YW14 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.515

Aphelion (Q)

1.048

Eccentricity (e)

0.341

Inclination (i)

6.9

deg

Orbit period (P)

252.2

Earth MOID

0.00281

U parameter

7.1

Next Earth close approach

Date

2025-11-06

Nominal distance (from Earth center)

0.09708

14522655

Maximum Brightness

25.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.5

mag

Diameter

8 - 19*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2014-12-27

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

0.781125

1-sigma variation

0.000058

Unit

Eccentricity (e)

Value

0.341083

1-sigma variation

0.000133

Unit

Inclination (i)

Value

6.8953

1-sigma variation

0.0045

Unit

Long. of Ascending Node (Ω)

Value

275.3546

1-sigma variation

0.0023

Unit

Arg. of Perihelion (ω)

Value

332.5298

1-sigma variation

0.0020

Unit

Mean Anomaly (M)

Value

154.07162

1-sigma variation

0.62172

Unit

Perihelion distance

Value

0.514697

1-sigma variation

Unit

Aphelion distance

Value

1.047554

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.488146

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.006053

1-sigma variation

Unit

MOID

Value

0.002811

1-sigma variation

Unit

Orbit Period

Value

252.1619

1-sigma variation

Unit

U parameter

Value

7.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.30994E-9	-7.64255E-9	-2.58727E-7	1.31227E-7	-1.10366E-7	-3.57686E-5
e	-7.64255E-9	1.76580E-8	5.97154E-7	-3.03007E-7	2.53381E-7	8.25917E-5
i	-2.58727E-7	5.97154E-7	2.02366E-5	-1.02568E-5	8.65686E-6	2.79584E-3
Ω	1.31227E-7	-3.03007E-7	-1.02568E-5	5.20269E-6	-4.37448E-6	-1.41809E-3
ω	-1.10366E-7	2.53381E-7	8.65686E-6	-4.37448E-6	3.86166E-6	1.19226E-3
M	-3.57686E-5	8.25917E-5	2.79584E-3	-1.41809E-3	1.19226E-3	3.86530E-1

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

27.48

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

8 - 19*

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

1.0

Unit

Source

[1]

Unobserved

Value

3925

Unit

Source

[1]

Normalized RMS of residuals

Value

0.569717

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2014-12-27.25212

Unit

Source

[2]

Last Observation

Value

2014-12-28.21247

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

38 (2)

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 2014YW14 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	1952-01-01 04:59	> 1 d	0.1212803	0.0071641	0.5165706
EARTH	1953-12-10 04:40	> 1 mo	0.0711866	0.0394897	0.1793442
EARTH	1955-11-05 18:02	> 1 d	0.1449974	0.0996846	0.2962802
MERCURY	1962-06-07 07:56	> 1 w	0.0441180	0.0393144	0.1123043
EARTH	1968-12-27 19:41	543.7	0.0040488	0.0015618	0.0032657
EARTH	1970-11-04 00:03	182.7	0.1356431	0.1258474	0.0034225
EARTH	1979-12-31 22:33	261.8	0.0608453	0.0301553	0.0102556
EARTH	1981-11-08 13:26	> 1 d	0.1007580	0.0959136	0.0026170
MERCURY	1984-05-06 16:06	> 1 d	0.0469113	0.0459828	0.0022313
EARTH	1990-12-31 03:44	241.3	0.1627356	0.1339854	0.0095868
EARTH	1992-11-27 08:34	> 1 d	0.0875223	0.0837749	0.0015021
MERCURY	1998-01-27 20:16	1257.9	0.0469360	0.0462242	0.0014672
EARTH	2003-12-19 17:42	> 1 d	0.0508417	0.0393829	0.0038533
EARTH	2005-11-03 16:25	63.8	0.1847377	0.1721486	0.0042650
EARTH	2014-12-28 14:34	< 1 s	0.0027798	0.0027760	0.0000013
EARTH	2016-11-01 16:55	4.1	0.1720615	0.1686760	0.0011353
EARTH	2023-12-31 20:04	96.3	0.1242338	0.1070481	0.0057304
EARTH	2025-11-06 18:28	984.0	0.0970780	0.0941878	0.0014558
EARTH	2034-12-04 05:16	> 1 d	0.0817094	0.0732075	0.0031389
EARTH	2043-12-28 09:19	> 1 d	0.0067804	0.0032026	0.0109832
EARTH	2052-12-07 11:23	> 1 mo	0.0781260	0.0468377	0.0949772
EARTH	2061-11-10 17:35	> 1 mo	0.0930962	0.0927977	0.0277169
EARTH	2068-12-31 06:46	> 1 d	0.0927019	0.0074186	0.7155678
EARTH	2070-11-01 12:16	> 1 w	0.1366785	0.0986217	0.4950217
EARTH	2077-12-26 20:01	> 1 mo	0.0157147	0.0042843	0.6087552
EARTH	2086-11-11 01:32	> 1 mo	0.0932426	0.0929487	0.1984651
EARTH	2093-12-29 15:39	> 1 mo	0.0154094	0.0044567	6.4383215
EARTH	2095-11-02 04:30	> 1 mo	0.1974929	0.0714939	3.0870871
EARTH	2102-12-19 01:10	> 1 mo	0.0561602	0.0168388	22.4729245
EARTH	2111-11-25 02:51	> 1 mo	0.0894477	0.0876670	6.6209130
EARTH	2118-12-31 21:51	> 1 mo	0.1651306	0.0115674	100.4012974
EARTH	2120-11-05 10:10	> 1 mo	0.0999262	0.0938088	31.2411774

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
220.10120257	354.42460587	0.00255455	MINIMUM
0.99038300	146.19548296	0.50036191	SADDLE
2.05649697	327.77890406	1.50044601	SADDLE
181.77936173	147.54419259	2.06034864	MAXIMUM

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MOID Plots

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