Asteroids

2020FU help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.994

Aphelion (Q)

1.426

Eccentricity (e)

0.178

Inclination (i)

28.9

deg

Orbit period (P)

486.1

Earth MOID

0.02865

U parameter

7.6

Next Earth close approach

Date

2028-03-13

Nominal distance (from Earth center)

0.08648

12937781

Maximum Brightness

23.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

26.2

mag

Diameter

15 - 30*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-03-16

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

1.209870

1-sigma variation

0.000483

Unit

Eccentricity (e)

Value

0.178286

1-sigma variation

0.000251

Unit

Inclination (i)

Value

28.8697

1-sigma variation

0.0211

Unit

Long. of Ascending Node (Ω)

Value

356.7500

1-sigma variation

0.0005

Unit

Arg. of Perihelion (ω)

Value

143.0798

1-sigma variation

0.0669

Unit

Mean Anomaly (M)

Value

121.82899

1-sigma variation

1.00954

Unit

Perihelion distance

Value

0.994167

1-sigma variation

Unit

Aphelion distance

Value

1.425574

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.361214

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.029053

1-sigma variation

Unit

MOID

Value

0.028654

1-sigma variation

Unit

Orbit Period

Value

486.0788

1-sigma variation

Unit

U parameter

Value

7.6

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.33221E-7	1.20927E-7	1.01849E-5	-2.53113E-7	3.22300E-5	-4.87536E-4
e	1.20927E-7	6.27579E-8	5.27876E-6	-1.31267E-7	1.66766E-5	-2.52770E-4
i	1.01849E-5	5.27876E-6	4.44956E-4	-1.10521E-5	1.40881E-3	-2.12918E-2
Ω	-2.53113E-7	-1.31267E-7	-1.10521E-5	2.74720E-7	-3.49632E-5	5.29110E-4
ω	3.22300E-5	1.66766E-5	1.40881E-3	-3.49632E-5	4.47588E-3	-6.73892E-2
M	-4.87536E-4	-2.52770E-4	-2.12918E-2	5.29110E-4	-6.73892E-2	1.01918E0

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

26.245

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

15 - 30*

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

[-]

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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

2043

Unit

Source

[1]

Normalized RMS of residuals

Value

0.612583

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-03-16.45143

Unit

Source

[2]

Last Observation

Value

2020-03-17.93827

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

42 (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 2020FU 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
MARS	1971-10-06 09:04	1326.8	0.0484764	0.0144353	0.0783113
EARTH	2004-03-23 17:45	> 1 d	0.1948733	0.0322970	0.0568039
EARTH	2008-03-21 06:51	> 1 d	0.1302171	0.0273415	0.0455521
EARTH	2012-03-19 04:18	> 1 d	0.0754141	0.0291824	0.0306737
EARTH	2016-03-17 13:32	805.5	0.0383489	0.0297047	0.0098320
EARTH	2020-03-16 14:31	< 1 min	0.0300026	0.0299329	0.0000232
EARTH	2024-03-15 13:41	783.1	0.0444811	0.0296906	0.0115939
EARTH	2028-03-13 22:07	> 1 d	0.0864837	0.0286602	0.0287400
EARTH	2032-03-11 22:18	> 1 d	0.1448022	0.0310475	0.0414756
MARS	2048-11-16 15:58	722.3	0.0136069	0.0128992	0.0190808
EARTH	2117-03-24 11:12	> 1 w	0.1719269	0.0242955	0.4653480
EARTH	2121-03-22 01:18	> 1 w	0.1089812	0.0273443	0.4388989
EARTH	2125-03-20 01:54	> 1 w	0.0582038	0.0289788	0.3476167

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
30.67546420	73.14925073	0.02949056	MINIMUM
236.90559050	265.55922419	0.34565826	MINIMUM
308.79677338	337.34155091	0.51719358	SADDLE
133.33322997	179.78813112	0.66334688	SADDLE
342.45494729	199.80987268	1.97484801	SADDLE
194.62636917	53.11181677	2.39660457	MAXIMUM

Download:

MOID Plots

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