Asteroids

532874 2013YZ13 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Amor

Perihelion (q)

1.027

Aphelion (Q)

1.754

Eccentricity (e)

0.262

Inclination (i)

31.2

deg

Orbit period (P)

598.9

Earth MOID

0.13510

U parameter

0.0

Next Earth close approach

Date

2055-01-13

Nominal distance (from Earth center)

0.13553

20275533

Maximum Brightness

16.5

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

19.6

mag

Diameter

475

Taxonomic type

Rotation period (T)

23.86

Discovery Information

Discovery Date

2013-12-24

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

1.390523

1-sigma variation

6.422E-9

Unit

Eccentricity (e)

Value

0.261741

1-sigma variation

5.894E-8

Unit

Inclination (i)

Value

31.2162

1-sigma variation

2.239E-5

Unit

Long. of Ascending Node (Ω)

Value

288.3880

1-sigma variation

4.877E-6

Unit

Arg. of Perihelion (ω)

Value

235.5234

1-sigma variation

1.877E-5

Unit

Mean Anomaly (M)

Value

51.50333

1-sigma variation

0.00003

Unit

Perihelion distance

Value

1.026565

1-sigma variation

Unit

Aphelion distance

Value

1.754480

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.502562

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.144423

1-sigma variation

Unit

MOID

Value

0.135099

1-sigma variation

Unit

Orbit Period

Value

598.9154

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.12386E-17	1.70242E-16	5.02956E-15	-2.86083E-16	6.12262E-14	-1.45685E-13
e	1.70242E-16	3.47448E-15	-5.17005E-13	-2.01622E-14	-3.37109E-13	2.25091E-14
i	5.02956E-15	-5.17005E-13	5.01451E-10	-3.09227E-11	1.92819E-10	-1.68872E-10
Ω	-2.86083E-16	-2.01622E-14	-3.09227E-11	2.37844E-11	-1.24094E-11	-6.44840E-12
ω	6.12262E-14	-3.37109E-13	1.92819E-10	-1.24094E-11	3.52211E-10	-4.37317E-10
M	-1.45685E-13	2.25091E-14	-1.68872E-10	-6.44840E-12	-4.37317E-10	7.23718E-10

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

23.86

Unit

Source

[1]

Quality

Value

Unit

Source

[1]

Amplitude

Value

0.93

Unit

mag

Source

[1]

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

19.621

Unit

mag

Source

[2]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[2]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.113

Unit

Source

[3]

Diameter

Value

475

Unit

Source

[3]

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.) Warner, B.D. et al. (2014) MPB 41, 157-168. (NEAR-EARTH ASTEROID LIGHTCURVE ANALYSIS AT CS3-PALMER DIVIDE STATION: 2014 JANUARY-MARCH) (1943,4055,4954,25916,35107,40267,53435, 68031,85990,86039,138127,143409,243566,275677,277570,294739, 357622,377097,1995CR,2006DP14,2009CT,2009QF31,2011BT15, 2012AU10,2013XV8,2013YZ13,2013PD21,2013XF22,2013YZ37, 2013WT44,2014CR,2014EM,2014BR8,2014CG13,2014CU13,2014EY24, 2014AY28,2014EL45,2014BR57,2014DX110)
[2]	ESA Aegis	ESA orbit determination and impact monitoring system
[3]	EARN	1.) Mainzer, A. et al. (2014) Astrophys. J. 792, 30. (Initial Performance of the NEOWISE Reactivation Mission) (prel.diameters & albedos for 61 NEOs)
[4]	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

8417

Unit

Source

[1]

Unobserved

Value

478

Unit

Source

[1]

Normalized RMS of residuals

Value

0.377907

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2001-06-23.31301

Unit

Source

[2]

Last Observation

Value

2024-07-09.494593

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

291 (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

2014-01-05

Unit

Source

[3]

Last Observation

Value

2014-01-05

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 532874 2013YZ13 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	1955-01-10 20:03	< 1 min	0.1930696	0.1930644	0.0000017
EARTH	1973-01-13 15:01	< 1 min	0.1523433	0.1523411	0.0000007
EARTH	2014-01-13 10:59	< 1 s	0.1375673	0.1375669	0.0000001
EARTH	2055-01-13 12:31	< 1 min	0.1355336	0.1355332	0.0000001
EARTH	2096-01-13 15:20	< 1 min	0.1363591	0.1363577	0.0000005

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
320.22233596	10.19611804	0.13501045	MINIMUM
86.30477732	166.12377963	0.42481166	MINIMUM
31.48244589	102.14439050	0.56216327	SADDLE
203.07765820	257.40079290	0.98882242	SADDLE
13.39962870	255.45048837	1.97207620	SADDLE
170.05690897	50.02284881	2.68939416	MAXIMUM

Download:

MOID Plots

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