Asteroids

2019KN5 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.991

Aphelion (Q)

2.167

Eccentricity (e)

0.372

Inclination (i)

1.4

deg

Orbit period (P)

724.7

Earth MOID

0.00667

U parameter

6.7

Next Earth close approach

Date

2027-03-19

Nominal distance (from Earth center)

0.11818

17679471

Maximum Brightness

24.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

27.1

mag

Diameter

10 - 23*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2019-05-31

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.578987

1-sigma variation

0.000027

Unit

Eccentricity (e)

Value

0.372361

1-sigma variation

0.000122

Unit

Inclination (i)

Value

1.3628

1-sigma variation

0.0400

Unit

Long. of Ascending Node (Ω)

Value

256.6286

1-sigma variation

0.5532

Unit

Arg. of Perihelion (ω)

Value

320.1927

1-sigma variation

0.4220

Unit

Mean Anomaly (M)

Value

105.64575

1-sigma variation

0.99981

Unit

Perihelion distance

Value

0.991033

1-sigma variation

Unit

Aphelion distance

Value

2.166940

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.041455

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.918439

1-sigma variation

Unit

MOID

Value

0.006672

1-sigma variation

Unit

Orbit Period

Value

724.7132

1-sigma variation

Unit

U parameter

Value

6.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.32642E-10	3.28364E-9	1.08304E-6	-1.49709E-5	1.14228E-5	-2.70580E-5
e	3.28364E-9	1.48410E-8	4.84731E-6	-6.72028E-5	5.12568E-5	-1.21465E-4
i	1.08304E-6	4.84731E-6	1.60140E-3	-2.21253E-2	1.68826E-2	-3.99885E-2
Ω	-1.49709E-5	-6.72028E-5	-2.21253E-2	3.06006E-1	-2.33467E-1	5.53072E-1
ω	1.14228E-5	5.12568E-5	1.68826E-2	-2.33467E-1	1.78126E-1	-4.21965E-1
M	-2.70580E-5	-1.21465E-4	-3.99885E-2	5.53072E-1	-4.21965E-1	9.99618E-1

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

27.069

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

10 - 23*

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

2299

Unit

Source

[1]

Normalized RMS of residuals

Value

0.418523

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2019-05-31.50324

Unit

Source

[2]

Last Observation

Value

2019-06-02.631234

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

9 (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 2019KN5 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	2015-06-17 15:03	> 1 d	0.1618292	0.0600888	0.0339361
EARTH	2017-06-06 17:34	> 1 d	0.0633767	0.0091326	0.0188094
EARTH	2019-05-22 19:13	8.7	0.0082976	0.0082276	0.0000233
EARTH	2021-05-09 15:31	> 1 w	0.0173333	0.0057235	0.0053903
EARTH	2023-04-17 11:06	> 1 w	0.0204049	0.0195126	0.0027353
EARTH	2025-04-01 07:43	> 1 w	0.0336873	0.0207536	0.0225412
EARTH	2027-03-19 04:43	> 1 d	0.1181800	0.0255228	0.0351446
EARTH	2122-06-21 05:47	> 1 w	0.1879647	0.0008588	0.2312415
EARTH	2124-06-11 02:28	> 1 w	0.0845154	0.0036175	0.2049960

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
15.86093340	137.26652149	0.00707960	MINIMUM
350.41986887	99.56145064	0.01954629	MINIMUM
359.56327718	113.09944291	0.02169273	SADDLE
180.92896588	295.63428483	1.17534187	SADDLE
2.06365130	296.83530067	1.98385302	SADDLE
180.98842837	115.67984960	3.17479084	MAXIMUM

Download:

MOID Plots

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