Asteroids

2020KQ1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.795

Aphelion (Q)

2.591

Eccentricity (e)

0.530

Inclination (i)

14.0

deg

Orbit period (P)

804.7

Earth MOID

0.00709

U parameter

7.4

Next Earth close approach

Date

2031-06-15

Nominal distance (from Earth center)

0.12114

18122750

Maximum Brightness

23.1

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.1

mag

Diameter

40 - 90*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-05-16

Observatory

Pan-STARRS 2, 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

1.693176

1-sigma variation

0.000703

Unit

Eccentricity (e)

Value

0.530289

1-sigma variation

0.000224

Unit

Inclination (i)

Value

13.9775

1-sigma variation

0.0048

Unit

Long. of Ascending Node (Ω)

Value

72.2589

1-sigma variation

0.0007

Unit

Arg. of Perihelion (ω)

Value

250.0075

1-sigma variation

0.0011

Unit

Mean Anomaly (M)

Value

150.74387

1-sigma variation

0.53838

Unit

Perihelion distance

Value

0.795304

1-sigma variation

Unit

Aphelion distance

Value

2.591049

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.500707

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.014442

1-sigma variation

Unit

MOID

Value

0.007085

1-sigma variation

Unit

Orbit Period

Value

804.7326

1-sigma variation

Unit

U parameter

Value

7.4

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.94775E-7	1.57561E-7	3.38593E-6	-4.88512E-7	-7.69213E-7	-3.78696E-4
e	1.57561E-7	5.01753E-8	1.07826E-6	-1.55572E-7	-2.44891E-7	-1.20595E-4
i	3.38593E-6	1.07826E-6	2.31728E-5	-3.34368E-6	-5.25904E-6	-2.59156E-3
Ω	-4.88512E-7	-1.55572E-7	-3.34368E-6	4.82618E-7	7.57663E-7	3.73903E-4
ω	-7.69213E-7	-2.44891E-7	-5.25904E-6	7.57663E-7	1.21302E-6	5.88745E-4
M	-3.78696E-4	-1.20595E-4	-2.59156E-3	3.73903E-4	5.88745E-4	2.89850E-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

24.139

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

40 - 90*

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

1939

Unit

Source

[1]

Normalized RMS of residuals

Value

0.512212

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-05-16.475709

Unit

Source

[2]

Last Observation

Value

2020-06-05.17794

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

32 (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

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 2020KQ1 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	1954-10-23 14:48	> 1 d	0.1863178	0.1636398	0.0154065
EARTH	1998-06-19 15:27	> 1 d	0.1505253	0.0240513	0.0429649
EARTH	2009-06-09 03:03	> 1 d	0.0600258	0.0052245	0.0410882
EARTH	2020-06-06 17:38	< 1 s	0.0342402	0.0342016	0.0000129
EARTH	2031-06-15 22:13	> 1 d	0.1211431	0.0016505	0.0400648
EARTH	2086-10-26 03:14	> 1 w	0.1681201	0.1556562	0.0857780
EARTH	2097-11-01 09:06	> 1 w	0.1674839	0.1555929	0.1094266
EARTH	2117-05-28 13:45	> 1 w	0.1352026	0.0093584	0.5399706

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
318.76320889	151.19447713	0.00822715	MINIMUM
43.90573120	293.74020985	0.16097965	MINIMUM
4.36346733	228.44412657	0.30135987	SADDLE
180.70200156	39.63060683	1.64454255	SADDLE
359.78673147	39.83627541	1.77162905	SADDLE
179.11968456	218.73202669	3.58420732	MAXIMUM

Download:

MOID Plots

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