Asteroids

443103 2013WT67 help

Last update: 2025-05-21 08:47 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.836

Aphelion (Q)

1.234

Eccentricity (e)

0.192

Inclination (i)

21.5

deg

Orbit period (P)

384.5

Earth MOID

0.01369

U parameter

0.3

Next Earth close approach

Date

2034-08-18

Nominal distance (from Earth center)

0.06209

9288595

Maximum Brightness

14.4

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

17.9

mag

Diameter

700 - 1600*

Taxonomic type

Rotation period (T)

135

Discovery Information

Discovery Date

2013-11-29

Observatory

Steward Observatory, Kitt Peak-Spacewatch

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

1.034856

1-sigma variation

5.879E-9

Unit

Eccentricity (e)

Value

0.192178

1-sigma variation

3.271E-8

Unit

Inclination (i)

Value

21.4695

1-sigma variation

3.911E-6

Unit

Long. of Ascending Node (Ω)

Value

322.7522

1-sigma variation

1.644E-6

Unit

Arg. of Perihelion (ω)

Value

99.0452

1-sigma variation

4.422E-6

Unit

Mean Anomaly (M)

Value

346.31139

1-sigma variation

0.00003

Unit

Perihelion distance

Value

0.835980

1-sigma variation

Unit

Aphelion distance

Value

1.233732

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.015380

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.020009

1-sigma variation

Unit

MOID

Value

0.013691

1-sigma variation

Unit

Orbit Period

Value

384.5194

1-sigma variation

Unit

U parameter

Value

0.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.45665E-17	1.92161E-16	-1.32483E-14	-3.39288E-15	-1.07812E-14	-1.48860E-13
e	1.92161E-16	1.06991E-15	-7.10433E-14	-1.78658E-14	-5.90797E-14	-8.29300E-13
i	-1.32483E-14	-7.10433E-14	1.52976E-11	6.02651E-12	-2.86641E-12	5.85497E-11
Ω	-3.39288E-15	-1.78658E-14	6.02651E-12	2.70281E-12	-3.43765E-12	1.62466E-11
ω	-1.07812E-14	-5.90797E-14	-2.86641E-12	-3.43765E-12	1.95551E-11	3.64178E-11
M	-1.48860E-13	-8.29300E-13	5.85497E-11	1.62466E-11	3.64178E-11	6.48422E-10

Date of computation: 2025-05-21 08:47 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

135

Unit

Source

[3]

Quality

Value

Unit

Source

[3]

Amplitude

Value

1.1

Unit

mag

Source

[3]

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

17.909

Unit

mag

Source

[4]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[4]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[5]

Diameter

Value

700 - 1600*

Unit

Source

[5]

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

[6]

Download this part as:

Sources

No.	Name	Additional
[1]	EARN	1.) Michaël Marsset et al 2022 AJ 163 165
[2]	EARN	Earth Asteroids Research Node: https://earn.dlr.de
[3]	EARN	1.) Warner, B.D. (2015) MPB 42, 41-53. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2014 JUNE-OCTOBER) (45 NEAs)
[4]	ESA Aegis	ESA orbit determination and impact monitoring system
[5]	Estimation	Estimated from absolute magnitude
[6]	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

2722

Unit

Source

[1]

Unobserved

Value

1516

Unit

Source

[1]

Normalized RMS of residuals

Value

0.428666

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2013-11-29.48337

Unit

Source

[2]

Last Observation

Value

2021-05-13.17023

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

621 (1)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

2014-08-20

Unit

Source

[3]

Last Observation

Value

2017-02-21

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 443103 2013WT67 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	1953-08-10 21:12	< 1 min	0.1771535	0.1771443	0.0000030
EARTH	1954-08-19 13:42	< 1 min	0.1485683	0.1485592	0.0000031
EARTH	1956-02-09 01:37	< 1 min	0.0950874	0.0950772	0.0000034
EARTH	1973-08-13 21:23	< 1 min	0.0909922	0.0909888	0.0000011
EARTH	1976-02-12 18:36	< 1 min	0.0225841	0.0225823	0.0000006
EARTH	1993-08-11 05:48	< 1 min	0.1627719	0.1627690	0.0000010
EARTH	1994-08-19 17:19	< 1 s	0.1519419	0.1519390	0.0000009
EARTH	1996-02-08 12:24	< 1 min	0.1081987	0.1081954	0.0000011
EARTH	2014-08-17 20:18	< 1 s	0.0412438	0.0412438	0.0000000
EARTH	2017-02-17 18:26	< 1 s	0.1134896	0.1134896	0.0000000
EARTH	2034-08-18 09:02	< 1 min	0.0620904	0.0620874	0.0000010
EARTH	2036-02-04 23:05	< 1 min	0.1890345	0.1890317	0.0000009
EARTH	2037-02-19 07:36	< 1 min	0.1475041	0.1475015	0.0000009
EARTH	2053-08-11 13:23	< 1 s	0.1584255	0.1584244	0.0000004
EARTH	2054-08-19 21:19	< 1 s	0.1666322	0.1666312	0.0000003
EARTH	2056-02-09 23:02	< 1 s	0.0795937	0.0795933	0.0000001
EARTH	2073-08-13 12:18	< 1 min	0.1021176	0.1021157	0.0000006
EARTH	2076-02-12 03:24	< 1 min	0.0353472	0.0353449	0.0000008
EARTH	2093-08-10 05:04	< 1 min	0.1903676	0.1903661	0.0000005
EARTH	2094-08-19 14:09	< 1 s	0.1242575	0.1242558	0.0000006
EARTH	2096-02-07 09:06	< 1 min	0.1374944	0.1374927	0.0000006
EARTH	2097-02-21 08:44	< 1 min	0.1882282	0.1882263	0.0000006
EARTH	2114-08-18 14:04	< 1 min	0.0275538	0.0275501	0.0000013
EARTH	2117-02-18 11:05	< 1 min	0.1055062	0.1055039	0.0000008

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
273.04273789	222.03230719	0.01369114	MINIMUM
71.36679661	41.05028031	0.01809108	MINIMUM
352.19863705	310.95972176	0.37147119	SADDLE
172.09176584	132.63325120	0.47041712	SADDLE
354.50630887	133.94532032	1.81604022	SADDLE
180.52434218	320.17470316	2.18374413	MAXIMUM

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MOID Plots

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