Asteroids

2014WZ365 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.451

Aphelion (Q)

1.127

Eccentricity (e)

0.428

Inclination (i)

1.3

deg

Orbit period (P)

256.0

Earth MOID

0.00100

U parameter

7.7

Next Earth close approach

Date

2028-11-27

Nominal distance (from Earth center)

0.10386

15537451

Maximum Brightness

22.3

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

25.9

mag

Diameter

17 - 40*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2014-11-28

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

0.788963

1-sigma variation

0.000119

Unit

Eccentricity (e)

Value

0.427876

1-sigma variation

0.000753

Unit

Inclination (i)

Value

1.3402

1-sigma variation

0.0032

Unit

Long. of Ascending Node (Ω)

Value

261.5607

1-sigma variation

0.0222

Unit

Arg. of Perihelion (ω)

Value

321.4839

1-sigma variation

0.0314

Unit

Mean Anomaly (M)

Value

112.89051

1-sigma variation

1.98810

Unit

Perihelion distance

Value

0.451384

1-sigma variation

Unit

Aphelion distance

Value

1.126541

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.534030

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.016542

1-sigma variation

Unit

MOID

Value

0.001005

1-sigma variation

Unit

Orbit Period

Value

255.9666

1-sigma variation

Unit

U parameter

Value

7.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.41615E-8	-8.95107E-8	-3.82235E-7	2.62755E-6	-3.73397E-6	-2.36585E-4
e	-8.95107E-8	5.66609E-7	2.42243E-6	-1.66578E-5	2.36024E-5	1.49564E-3
i	-3.82235E-7	2.42243E-6	1.03759E-5	-7.14170E-5	1.00906E-4	6.38762E-3
Ω	2.62755E-6	-1.66578E-5	-7.14170E-5	4.91857E-4	-6.94238E-4	-4.39114E-2
ω	-3.73397E-6	2.36024E-5	1.00906E-4	-6.94238E-4	9.85909E-4	6.23811E-2
M	-2.36585E-4	1.49564E-3	6.38762E-3	-4.39114E-2	6.23811E-2	3.95254E0

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

25.931

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

17 - 40*

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

Unit

Source

[1]

Unobserved

Value

4006

Unit

Source

[1]

Normalized RMS of residuals

Value

0.452945

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2014-11-27.367456

Unit

Source

[2]

Last Observation

Value

2014-12-01.36484

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

23 (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 2014WZ365 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
MERCURY	1950-02-26 10:00	> 1 d	0.0465572	0.0224914	0.0610180
EARTH	1951-10-07 18:52	> 1 d	0.0638228	0.0231201	0.0433336
EARTH	1956-12-09 19:57	> 1 d	0.1543336	0.0008545	0.0568258
MERCURY	1957-10-26 06:35	> 1 w	0.0253062	0.0092191	0.0631042
EARTH	1958-10-13 13:34	> 1 w	0.0939558	0.0246361	0.0323247
MERCURY	1964-10-25 16:02	> 1 d	0.0047269	0.0045501	0.0050009
EARTH	1965-10-23 14:07	> 1 d	0.1221826	0.0929767	0.0098366
MERCURY	1971-10-25 10:37	> 1 d	0.0157028	0.0105051	0.0139041
EARTH	1972-11-03 17:59	> 1 d	0.1346805	0.1292022	0.0018421
MERCURY	1978-10-24 04:59	> 1 d	0.0354130	0.0198744	0.0107423
EARTH	1979-11-15 07:12	> 1 d	0.1300053	0.1269459	0.0010211
EARTH	1986-11-24 13:13	> 1 d	0.1123405	0.1019819	0.0034531
EARTH	1988-10-04 07:42	321.6	0.1900331	0.1646601	0.0084675
MERCURY	1993-06-21 20:32	> 1 d	0.0078936	0.0050194	0.0132873
EARTH	1993-12-01 06:57	> 1 d	0.0891849	0.0517474	0.0124800
EARTH	1995-10-03 23:56	633.1	0.1495795	0.0939365	0.0186737
MERCURY	2000-06-27 02:22	> 1 d	0.0338474	0.0184077	0.0198355
EARTH	2000-12-05 09:41	> 1 d	0.0667797	0.0145863	0.0173984
EARTH	2002-10-03 01:36	596.2	0.1238042	0.0664623	0.0193990
VENUS	2006-08-28 13:06	1045.5	0.0487299	0.0383326	0.0141604
EARTH	2007-12-07 07:46	> 1 d	0.0588579	0.0199167	0.0129817
MERCURY	2008-03-01 11:45	> 1 d	0.0059964	0.0040597	0.0103361
EARTH	2009-10-02 16:56	325.2	0.1164371	0.0852609	0.0104630
EARTH	2014-12-07 04:18	< 1 min	0.0585302	0.0581736	0.0001189
MERCURY	2015-11-09 14:08	494.1	0.0487791	0.0384405	0.0034635
EARTH	2016-10-02 12:30	123.7	0.1220234	0.1043537	0.0059091
EARTH	2021-12-04 08:52	> 1 d	0.0750790	0.0417390	0.0111134
EARTH	2023-10-03 20:34	669.3	0.1495930	0.0893311	0.0202519
VENUS	2026-12-18 09:42	1334.7	0.0447935	0.0387020	0.0146995
EARTH	2028-11-27 09:14	> 1 d	0.1038614	0.0603243	0.0145216
EARTH	2030-10-05 00:01	1280.8	0.1996833	0.1005568	0.0332495
MERCURY	2031-04-10 03:57	> 1 d	0.0428258	0.0113184	0.0440881
EARTH	2035-11-18 11:56	> 1 w	0.1269653	0.0984409	0.0095339
MERCURY	2038-12-27 23:28	> 1 d	0.0129109	0.0042802	0.0363535
EARTH	2042-11-07 18:12	> 1 w	0.1361299	0.1351224	0.0003797
MERCURY	2046-09-17 04:38	> 1 w	0.0080190	0.0040891	0.0232442
EARTH	2049-10-28 07:30	> 1 d	0.1305106	0.1097063	0.0069999
MERCURY	2054-06-07 15:46	> 1 d	0.0272792	0.0154256	0.0127300
EARTH	2056-10-17 18:07	> 1 d	0.1101664	0.0971040	0.0043733
VENUS	2057-02-08 17:59	318.8	0.0464706	0.0390770	0.0034981
EARTH	2061-12-10 14:03	409.8	0.1510377	0.1185392	0.0108328
EARTH	2063-10-09 15:06	> 1 d	0.0749666	0.0498160	0.0085796
EARTH	2068-12-11 08:07	780.9	0.1057025	0.0217339	0.0279896
EARTH	2070-10-05 12:18	> 1 d	0.0459411	0.0215589	0.0217616
EARTH	2075-12-12 07:39	764.5	0.0874558	0.0006378	0.0393576
MERCURY	2077-07-23 04:30	> 1 d	0.0350028	0.0185922	0.0341921
EARTH	2077-10-04 17:00	> 1 d	0.0398287	0.0215712	0.0257032
VENUS	2082-04-29 18:52	> 1 d	0.0442533	0.0393123	0.0176319
EARTH	2082-12-11 17:31	685.6	0.1041429	0.0143158	0.0300033
EARTH	2084-10-06 20:04	> 1 d	0.0595087	0.0208184	0.0172605
MERCURY	2085-03-24 04:22	> 1 d	0.0227026	0.0081506	0.0273259
EARTH	2089-12-10 03:17	338.7	0.1604146	0.1243150	0.0120395
EARTH	2091-10-15 23:09	996.0	0.0999655	0.0950299	0.0016453
MERCURY	2092-03-22 18:59	733.2	0.0038928	0.0034451	0.0012748
EARTH	2098-10-28 10:56	> 1 d	0.1283537	0.1191157	0.0031075
MERCURY	2099-03-20 09:26	> 1 d	0.0094747	0.0067885	0.0062193
EARTH	2105-11-12 06:55	> 1 d	0.1326678	0.1281009	0.0015555
MERCURY	2106-03-16 22:51	> 1 d	0.0134427	0.0090642	0.0124740
EARTH	2112-11-24 21:58	> 1 d	0.1125763	0.0830866	0.0098715
MERCURY	2113-03-13 22:01	> 1 d	0.0224271	0.0147550	0.0184720
EARTH	2114-10-05 23:31	1139.4	0.1849999	0.1044576	0.0269688
EARTH	2119-12-05 03:05	> 1 d	0.0785595	0.0292459	0.0165253
MERCURY	2120-03-12 15:22	> 1 d	0.0486344	0.0246113	0.0293001
EARTH	2121-10-04 07:01	922.0	0.1309933	0.0541951	0.0260582

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
234.53320698	337.31034104	0.00103218	MINIMUM
128.84736464	268.04096306	0.02228572	MINIMUM
181.23349771	302.29759070	0.13608837	SADDLE
3.57621006	124.75005576	0.55744498	SADDLE
3.54345187	304.72960293	1.44236714	SADDLE
181.50856737	122.48258131	2.13494939	MAXIMUM

Download:

MOID Plots

Click on the images to zoom-in and zoom-out

Level lines of the squared distance function

2014WZ365

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2114-12-12.418	93527.418	4.707	0.000	0.90 ± 1.502	6.73E5	1.28E-11	6.00E-1	-11.50	0


Based on 23 optical observations (of which 0 are rejected as outliers) from 2014/11/27.367 to 2014/12/01.365.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.44 and 1.44 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
AstOD software version= 4.0, Date of computation=20250805 130500.123 UTC.

Download this part as:

Download Impactor Table as: