Asteroids

2020BN11 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.841

Aphelion (Q)

3.287

Eccentricity (e)

0.593

Inclination (i)

7.7

deg

Orbit period (P)

1083.1

Earth MOID

0.09731

U parameter

1.1

Next Earth close approach

Date

2028-09-24

Nominal distance (from Earth center)

0.12328

18442519

Maximum Brightness

24.5

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

2.064001

1-sigma variation

6.546E-8

Unit

Eccentricity (e)

Value

0.592778

1-sigma variation

0.000003

Unit

Inclination (i)

Value

7.7081

1-sigma variation

2.199E-5

Unit

Long. of Ascending Node (Ω)

Value

27.4158

1-sigma variation

0.0014

Unit

Arg. of Perihelion (ω)

Value

7.6147

1-sigma variation

0.0019

Unit

Mean Anomaly (M)

Value

73.30508

1-sigma variation

0.00009

Unit

Perihelion distance

Value

0.840506

1-sigma variation

Unit

Aphelion distance

Value

3.287497

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.152872

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

2.241907

1-sigma variation

Unit

MOID

Value

0.097305

1-sigma variation

Unit

Orbit Period

Value

1083.0871

1-sigma variation

Unit

U parameter

Value

1.1

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.28503E-15	-1.78766E-13	-1.26503E-12	-2.47690E-11	6.89443E-11	-5.95331E-12
e	-1.78766E-13	9.73470E-12	5.37018E-11	2.36959E-9	-4.65937E-9	2.62352E-10
i	-1.26503E-12	5.37018E-11	4.83638E-10	1.70854E-8	-3.02765E-8	1.76891E-9
Ω	-2.47690E-11	2.36959E-9	1.70854E-8	2.08785E-6	-2.58881E-6	3.90543E-8
ω	6.89443E-11	-4.65937E-9	-3.02765E-8	-2.58881E-6	3.63362E-6	-1.03389E-7
M	-5.95331E-12	2.62352E-10	1.76891E-9	3.90543E-8	-1.03389E-7	8.42528E-9

Date of computation: 2026-03-17 23:26 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

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

1191

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

Note: Ephemerides requests are limited to a maximum of 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2020BN11 from 1950 to 2126

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
332.87901823	243.92032340	0.09730927	MINIMUM
24.60873604	340.51217901	0.11056875	MINIMUM
359.64877462	294.06036854	0.15380933	SADDLE
358.58174480	111.99968594	1.84810557	SADDLE
179.70425565	113.25160065	2.28098420	SADDLE
179.58750848	293.19674749	4.28210798	MAXIMUM

Download:

MOID Plots

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