Asteroids

2016JK17 help

Last update: 2025-04-09 07:59 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.451

Aphelion (Q)

2.232

Eccentricity (e)

0.664

Inclination (i)

44.5

deg

Orbit period (P)

567.5

Earth MOID

0.06408

U parameter

9.0

Next Earth close approach

Date

2030-04-10

Nominal distance (from Earth center)

0.06441

9635012

Maximum Brightness

16.4

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

20.8

mag

Diameter

180 - 400*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2016-05-05

Observatory

Pan-STARRS 1, Haleakala

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

1.341495

1-sigma variation

0.008305

Unit

Eccentricity (e)

Value

0.663733

1-sigma variation

0.001688

Unit

Inclination (i)

Value

44.4610

1-sigma variation

0.1360

Unit

Long. of Ascending Node (Ω)

Value

22.7950

1-sigma variation

0.0292

Unit

Arg. of Perihelion (ω)

Value

61.0675

1-sigma variation

0.2059

Unit

Mean Anomaly (M)

Value

332.21306

1-sigma variation

19.62960

Unit

Perihelion distance

Value

0.451100

1-sigma variation

Unit

Aphelion distance

Value

2.231890

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.428619

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.102749

1-sigma variation

Unit

MOID

Value

0.064083

1-sigma variation

Unit

Orbit Period

Value

567.5211

1-sigma variation

Unit

U parameter

Value

9.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	6.89673E-5	1.39723E-5	1.12521E-3	-2.39118E-4	1.70724E-3	-1.63017E-1
e	1.39723E-5	2.84808E-6	2.29434E-4	-4.78215E-5	3.44282E-4	-3.30274E-2
i	1.12521E-3	2.29434E-4	1.84833E-2	-3.84838E-3	2.77188E-2	-2.65975E0
Ω	-2.39118E-4	-4.78215E-5	-3.84838E-3	8.51427E-4	-5.97626E-3	5.65159E-1
ω	1.70724E-3	3.44282E-4	2.77188E-2	-5.97626E-3	4.24075E-2	-4.03526E0
M	-1.63017E-1	-3.30274E-2	-2.65975E0	5.65159E-1	-4.03526E0	3.85321E2

Date of computation: 2025-04-09 07:59 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

20.803

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

180 - 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

Unit

Source

[1]

Unobserved

Value

3316

Unit

Source

[1]

Normalized RMS of residuals

Value

0.372041

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2016-05-05.26637

Unit

Source

[2]

Last Observation

Value

2016-05-11.19297

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

17 (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 2016JK17 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	1957-04-06 10:59	> 1 mo	0.1240679	0.0679846	2.2707274
EARTH	2016-04-12 20:27	12.4	0.1087707	0.1075616	0.0004030
EARTH	2030-04-10 00:33	> 1 w	0.0644061	0.0641086	0.0576404
EARTH	2044-04-06 13:15	> 1 mo	0.1146822	0.0625723	1.4980666
EARTH	2103-04-15 01:44	> 1 mo	0.1117837	0.0588077	4.2383640
EARTH	2117-04-11 02:11	> 1 mo	0.0589908	0.0588820	0.0254368

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
70.35543858	96.81321287	0.06408329	MINIMUM
317.66652046	267.10154898	0.37720629	MINIMUM
11.67471715	5.65738872	0.72653022	SADDLE
7.41345770	173.57944020	1.38670062	SADDLE
190.80906773	158.32484897	1.57575417	SADDLE
173.99107974	329.49999569	3.07506270	MAXIMUM

Download:

MOID Plots

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