Asteroids

2020FA5 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.381

Aphelion (Q)

3.448

Eccentricity (e)

0.801

Inclination (i)

6.6

deg

Orbit period (P)

967.3

Earth MOID

0.00990

U parameter

6.2

Next Earth close approach

Date

2025-10-26

Nominal distance (from Earth center)

0.03313

4956518

Maximum Brightness

15.7

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

170 - 400*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-03-22

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

1.914113

1-sigma variation

0.000048

Unit

Eccentricity (e)

Value

0.801149

1-sigma variation

0.000065

Unit

Inclination (i)

Value

6.5670

1-sigma variation

0.0029

Unit

Long. of Ascending Node (Ω)

Value

39.3248

1-sigma variation

0.0040

Unit

Arg. of Perihelion (ω)

Value

242.1803

1-sigma variation

0.0018

Unit

Mean Anomaly (M)

Value

26.09007

1-sigma variation

0.20232

Unit

Perihelion distance

Value

0.380623

1-sigma variation

Unit

Aphelion distance

Value

3.447604

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.102008

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.509659

1-sigma variation

Unit

MOID

Value

0.009900

1-sigma variation

Unit

Orbit Period

Value

967.2750

1-sigma variation

Unit

U parameter

Value

6.2

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.33145E-9	3.11489E-9	1.41870E-7	-1.86286E-7	6.88932E-8	-9.76604E-6
e	3.11489E-9	4.17179E-9	1.89392E-7	-2.48235E-7	9.38918E-8	-1.30324E-5
i	1.41870E-7	1.89392E-7	8.63944E-6	-1.14117E-5	4.22959E-6	-5.94516E-4
Ω	-1.86286E-7	-2.48235E-7	-1.14117E-5	1.59706E-5	-6.40537E-6	7.81614E-4
ω	6.88932E-8	9.38918E-8	4.22959E-6	-6.40537E-6	3.36387E-6	-2.86104E-4
M	-9.76604E-6	-1.30324E-5	-5.94516E-4	7.81614E-4	-2.86104E-4	4.09314E-2

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

20.982

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

170 - 400*

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

1980

Unit

Source

[1]

Normalized RMS of residuals

Value

0.727833

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-02-19.241089

Unit

Source

[2]

Last Observation

Value

2020-04-14.85593

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

22 (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 2020FA5 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	1964-10-28 21:08	> 1 d	0.0570432	0.0195135	0.0408307
EARTH	1975-03-13 17:22	152.7	0.1142207	0.1110206	0.0011011
VENUS	2020-04-26 04:55	1.9	0.0408806	0.0406668	0.0000713
EARTH	2025-10-26 10:44	605.2	0.0331323	0.0108813	0.0085731
EARTH	2036-03-06 22:46	694.6	0.1102120	0.0939373	0.0065928
EARTH	2078-10-30 12:05	301.1	0.0437946	0.0294007	0.0048038
EARTH	2086-10-20 04:58	388.5	0.1722654	0.1541563	0.0060364
EARTH	2089-03-16 21:21	419.7	0.1410409	0.1269694	0.0048205
EARTH	2097-03-07 11:42	423.2	0.1077931	0.0958910	0.0042770
MERCURY	2102-07-30 17:45	533.5	0.0308133	0.0143430	0.0061562
MERCURY	2105-03-26 21:06	552.1	0.0143401	0.0113626	0.0029133
MERCURY	2107-11-21 09:05	516.2	0.0313712	0.0224562	0.0030753
MERCURY	2118-07-21 13:26	552.7	0.0202010	0.0090019	0.0040126
MERCURY	2121-03-18 10:10	506.8	0.0249574	0.0074023	0.0066373
MERCURY	2123-11-11 21:48	517.0	0.0438615	0.0199148	0.0081016

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
53.12606652	292.97857002	0.00995062	MINIMUM
307.38032101	66.39993628	0.08720545	MINIMUM
0.35687636	180.22321368	0.63865196	SADDLE
0.17665048	359.65429018	1.36303140	SADDLE
180.09511265	359.17089661	2.47356934	SADDLE
179.95029303	179.12297241	4.46244206	MAXIMUM

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MOID Plots

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

Level lines of the squared distance function

2020FA5

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2110-10-29.274	92022.274	-2.291	0.000	0.81 ± 0.107	4.33E5	9.34E-8	1.16E3	-4.99	0


Based on 22 optical observations (of which 0 are rejected as outliers) from 2020/02/19.241 to 2020/04/14.856.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 1.08 and 1.08 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
Aegis software version= 4.0, Date of computation=20250805 130500.123 UTC.

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Download Impactor Table as: