Asteroids

2020BN11 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.841

Aphelion (Q)

3.288

Eccentricity (e)

0.593

Inclination (i)

7.7

deg

Orbit period (P)

1083.5

Earth MOID

0.09731

U parameter

1.1

Next Earth close approach

Date

2025-11-07

Nominal distance (from Earth center)

0.15079

22557787

Maximum Brightness

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

22.5

mag

Diameter

350

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-01-18

Observatory

WISE

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

2.064542

1-sigma variation

7.172E-8

Unit

Eccentricity (e)

Value

0.592789

1-sigma variation

0.000003

Unit

Inclination (i)

Value

7.7077

1-sigma variation

2.200E-5

Unit

Long. of Ascending Node (Ω)

Value

27.4306

1-sigma variation

0.0014

Unit

Arg. of Perihelion (ω)

Value

7.6186

1-sigma variation

0.0019

Unit

Mean Anomaly (M)

Value

6.82434

1-sigma variation

0.00009

Unit

Perihelion distance

Value

0.840703

1-sigma variation

Unit

Aphelion distance

Value

3.288381

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.152292

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

2.241134

1-sigma variation

Unit

MOID

Value

0.097309

1-sigma variation

Unit

Orbit Period

Value

1083.5128

1-sigma variation

Unit

U parameter

Value

1.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.14323E-15	-1.94029E-13	-1.36654E-12	-2.37770E-11	7.19017E-11	-6.30356E-12
e	-1.94029E-13	9.71573E-12	5.36633E-11	2.36861E-9	-4.65612E-9	2.53879E-10
i	-1.36654E-12	5.36633E-11	4.83970E-10	1.71405E-8	-3.03342E-8	1.70990E-9
Ω	-2.37770E-11	2.36861E-9	1.71405E-8	2.08803E-6	-2.58901E-6	3.79292E-8
ω	7.19017E-11	-4.65612E-9	-3.03342E-8	-2.58901E-6	3.63385E-6	-1.00240E-7
M	-6.30356E-12	2.53879E-10	1.70990E-9	3.79292E-8	-1.00240E-7	7.88563E-9

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

22.455

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

mag

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.014

Unit

Source

[2]

Diameter

Value

350

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]	EARN	1.) Joseph R. Masiero et al 2021 Planet. Sci. J. 2 162

Observational Information

Arc Length
Unobserved
Normalized RMS of residuals

Arc Information

Value

Unit

Source

Arc Length

Value

1092

Unit

Source

[1]

Unobserved

Value

987

Unit

Source

[1]

Normalized RMS of residuals

Value

0.509224

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-01-17.945515

Unit

Source

[2]

Last Observation

Value

2023-01-14.278057

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

34 (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 2020BN11 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	1951-12-09 12:12	13.5	0.1226261	0.1225856	0.0000135
EARTH	1954-10-18 12:35	23.1	0.1687253	0.1686871	0.0000127
EARTH	1957-08-29 16:56	7.3	0.1104391	0.1104027	0.0000122
EARTH	2022-12-15 02:23	< 1 min	0.1109412	0.1109368	0.0000015
EARTH	2025-11-07 01:51	1.8	0.1507895	0.1507748	0.0000049
EARTH	2028-09-24 10:36	2.1	0.1232806	0.1232474	0.0000111
EARTH	2031-08-30 11:49	< 1 min	0.1187812	0.1187636	0.0000059

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
332.98663956	243.12575009	0.09693192	MINIMUM
24.62058062	339.60237408	0.11063472	MINIMUM
359.75572731	293.29238562	0.15356545	SADDLE
358.66020076	111.17297416	1.84664233	SADDLE
179.72324575	112.35154205	2.28219501	SADDLE
179.60583526	292.29584821	4.28158199	MAXIMUM

Download:

MOID Plots

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