Asteroids

2020LQ help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.857

Aphelion (Q)

1.462

Eccentricity (e)

0.261

Inclination (i)

18.9

deg

Orbit period (P)

456.0

Earth MOID

0.03956

U parameter

8.2

Next Earth close approach

Date

2030-06-05

Nominal distance (from Earth center)

0.06863

10266352

Maximum Brightness

21.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

25.1

mag

Diameter

26 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-06-11

Observatory

Mt. Lemmon 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

1.159415

1-sigma variation

0.001040

Unit

Eccentricity (e)

Value

0.260769

1-sigma variation

0.000452

Unit

Inclination (i)

Value

18.8949

1-sigma variation

0.0329

Unit

Long. of Ascending Node (Ω)

Value

79.9529

1-sigma variation

0.0027

Unit

Arg. of Perihelion (ω)

Value

92.7397

1-sigma variation

0.1219

Unit

Mean Anomaly (M)

Value

187.25954

1-sigma variation

1.57425

Unit

Perihelion distance

Value

0.857076

1-sigma variation

Unit

Aphelion distance

Value

1.461755

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.109568

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.050293

1-sigma variation

Unit

MOID

Value

0.039555

1-sigma variation

Unit

Orbit Period

Value

455.9918

1-sigma variation

Unit

U parameter

Value

8.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.08206E-6	4.70389E-7	3.42006E-5	-2.79851E-6	1.26769E-4	-1.63757E-3
e	4.70389E-7	2.04620E-7	1.48709E-5	-1.21667E-6	5.50899E-5	-7.11874E-4
i	3.42006E-5	1.48709E-5	1.08107E-3	-8.84552E-5	4.00630E-3	-5.17583E-2
Ω	-2.79851E-6	-1.21667E-6	-8.84552E-5	7.23786E-6	-3.27844E-4	4.23520E-3
ω	1.26769E-4	5.50899E-5	4.00630E-3	-3.27844E-4	1.48542E-2	-1.91849E-1
M	-1.63757E-3	-7.11874E-4	-5.17583E-2	4.23520E-3	-1.91849E-1	2.47826E0

Date of computation: 2025-11-24 16:53 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

25.058

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

26 - 60*

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

2001

Unit

Source

[1]

Normalized RMS of residuals

Value

0.684458

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-06-11.1901

Unit

Source

[2]

Last Observation

Value

2020-06-15.344843

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

34 (2)

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 2020LQ 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	1953-12-20 14:50	1104.8	0.0860016	0.0812710	0.0391258
EARTH	1958-12-20 07:26	> 1 d	0.0849264	0.0813264	0.0326620
EARTH	1963-12-19 09:56	> 1 d	0.1189421	0.0815602	0.0907078
EARTH	1968-12-16 18:58	> 1 d	0.1806075	0.0812066	0.1156913
EARTH	2010-06-11 12:30	> 1 d	0.1346663	0.0392293	0.0458537
EARTH	2015-06-09 07:55	1335.9	0.0744672	0.0407692	0.0219471
EARTH	2020-06-06 22:55	< 1 min	0.0438092	0.0435984	0.0000703
EARTH	2025-06-06 02:42	1203.3	0.0449596	0.0409100	0.0110309
EARTH	2030-06-05 07:19	> 1 d	0.0686263	0.0406110	0.0545564
EARTH	2035-06-04 10:14	> 1 d	0.1100460	0.0400934	0.0959132
EARTH	2040-06-02 20:25	1142.9	0.1638151	0.0405355	0.1246947
EARTH	2054-12-19 03:45	> 1 w	0.1836655	0.0938769	0.1463028
EARTH	2059-12-20 23:41	> 1 d	0.1371047	0.0867704	0.1363977
EARTH	2064-12-20 17:15	365.7	0.0993907	0.0841364	0.0933517
EARTH	2069-12-20 16:21	> 1 d	0.0840030	0.0838829	0.0085853
EARTH	2074-12-20 01:56	> 1 d	0.1047544	0.0842203	0.1459262
EARTH	2079-12-18 18:40	> 1 d	0.1573579	0.0843170	0.2516076
EARTH	2121-06-13 14:28	> 1 w	0.1579182	0.0359445	0.3417016

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
68.32053245	154.29190831	0.03955549	MINIMUM
291.38223802	347.68102327	0.08431194	MINIMUM
359.43985658	69.62848256	0.33280507	SADDLE
179.78631508	252.05457395	0.60476919	SADDLE
2.91404800	254.37818898	1.83790672	SADDLE
183.43661604	75.01160967	2.42551462	MAXIMUM

Download:

MOID Plots

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