Asteroids

2013JL22 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.481

Aphelion (Q)

1.892

Eccentricity (e)

0.594

Inclination (i)

3.1

deg

Orbit period (P)

472.4

Earth MOID

0.00271

U parameter

0.0

Next Earth close approach

Date

2033-09-22

Nominal distance (from Earth center)

0.13283

19870988

Maximum Brightness

19.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

21.1

mag

Diameter

160 - 400*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2013-05-12

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

1.186986

1-sigma variation

1.967E-9

Unit

Eccentricity (e)

Value

0.594369

1-sigma variation

4.441E-8

Unit

Inclination (i)

Value

3.0630

1-sigma variation

4.735E-6

Unit

Long. of Ascending Node (Ω)

Value

37.9420

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

69.1073

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

294.37605

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.481479

1-sigma variation

Unit

Aphelion distance

Value

1.892493

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.359255

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.034735

1-sigma variation

Unit

MOID

Value

0.002714

1-sigma variation

Unit

Orbit Period

Value

472.3529

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	3.87023E-18	-6.12391E-17	-4.90096E-17	-1.25672E-14	6.76237E-15	-6.53314E-15
e	-6.12391E-17	1.97230E-15	-1.51855E-14	2.01173E-13	-8.82752E-14	5.96581E-14
i	-4.90096E-17	-1.51855E-14	2.24158E-11	-5.99103E-11	6.22760E-11	-8.08305E-14
Ω	-1.25672E-14	2.01173E-13	-5.99103E-11	5.36341E-9	-5.24685E-9	-1.36587E-11
ω	6.76237E-15	-8.82752E-14	6.22760E-11	-5.24685E-9	5.20028E-9	-1.06445E-11
M	-6.53314E-15	5.96581E-14	-8.08305E-14	-1.36587E-11	-1.06445E-11	4.27244E-11

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

21.066

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

160 - 400*

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

8046

Unit

Source

[1]

Unobserved

Value

430

Unit

Source

[1]

Normalized RMS of residuals

Value

0.62209

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2002-08-24.43147

Unit

Source

[2]

Last Observation

Value

2024-09-03.624769

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

110 (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 2013JL22 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	1951-04-30 19:50	< 1 min	0.0093496	0.0093482	0.0000005
EARTH	1960-05-09 01:30	< 1 s	0.1954224	0.1954212	0.0000004
EARTH	1971-09-08 21:17	< 1 s	0.1863780	0.1863778	0.0000001
VENUS	1978-03-16 00:05	< 1 s	0.0420926	0.0420922	0.0000001
EARTH	1980-09-18 23:38	< 1 s	0.0744453	0.0744447	0.0000002
EARTH	1982-04-27 12:47	< 1 s	0.0865087	0.0865082	0.0000001
MARS	1986-05-08 05:48	< 1 min	0.0282650	0.0282646	0.0000001
EARTH	1991-05-09 22:35	< 1 min	0.1960000	0.1959995	0.0000002
EARTH	2002-09-13 16:49	< 1 min	0.0834932	0.0834924	0.0000003
MARS	2007-01-14 20:25	< 1 min	0.0369215	0.0369211	0.0000001
EARTH	2013-05-04 04:02	< 1 s	0.0735977	0.0735974	0.0000001
EARTH	2024-09-08 12:58	< 1 s	0.1864018	0.1864014	0.0000001
MARS	2027-09-23 19:06	< 1 min	0.0327408	0.0327403	0.0000002
EARTH	2033-09-22 02:35	< 1 s	0.1328294	0.1328288	0.0000002
EARTH	2035-04-30 15:41	< 1 s	0.0237199	0.0237190	0.0000003
EARTH	2055-09-09 01:39	< 1 min	0.1914333	0.1914283	0.0000017
EARTH	2064-09-17 09:32	< 1 min	0.0405205	0.0405181	0.0000008
EARTH	2066-04-25 19:33	< 1 min	0.1489651	0.1489586	0.0000022
EARTH	2075-05-04 18:19	< 1 min	0.0670740	0.0670636	0.0000035
EARTH	2095-09-17 06:51	< 1 min	0.0380875	0.0380870	0.0000002
EARTH	2097-04-25 02:31	< 1 min	0.1679151	0.1679145	0.0000002
EARTH	2106-05-06 21:54	< 1 min	0.0950060	0.0950024	0.0000012

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
75.24283840	117.56994424	0.00257050	MINIMUM
285.19920682	252.57473977	0.03743230	MINIMUM
0.38394524	5.36507081	0.50334453	SADDLE
180.14329347	184.89747565	0.87903164	SADDLE
0.29079509	185.18064984	1.49738070	SADDLE
180.03027076	4.83853558	2.87542832	MAXIMUM

Download:

MOID Plots

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