Asteroids

2020FN3 help

Last update: 2026-07-30 14:25 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.802

Aphelion (Q)

1.223

Eccentricity (e)

0.208

Inclination (i)

0.9

deg

Orbit period (P)

372.2

Earth MOID

0.00204

U parameter

1.7

Next Earth close approach

Date

2026-10-20

Nominal distance (from Earth center)

0.03164

4733117

Maximum Brightness

19.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.4

mag

Diameter

40 - 80*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-03-22

Observatory

Pan-STARRS 1, 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.012703

1-sigma variation

4.744E-8

Unit

Eccentricity (e)

Value

0.207995

1-sigma variation

0.000001

Unit

Inclination (i)

Value

0.8956

1-sigma variation

4.255E-6

Unit

Long. of Ascending Node (Ω)

Value

20.6181

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

269.8056

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

305.06906

1-sigma variation

0.00011

Unit

Perihelion distance

Value

0.802067

1-sigma variation

Unit

Aphelion distance

Value

1.223340

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.029272

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.032743

1-sigma variation

Unit

MOID

Value

0.002039

1-sigma variation

Unit

Orbit Period

Value

372.2390

1-sigma variation

Unit

U parameter

Value

1.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	2.25057E-15	3.24302E-14	8.71117E-14	-6.18245E-13	1.31524E-12	-4.61652E-12
e	3.24302E-14	4.71213E-13	1.27118E-12	-5.82364E-12	1.78613E-11	-6.92088E-11
i	8.71117E-14	1.27118E-12	1.81085E-11	-3.22328E-10	3.59855E-10	-1.93438E-10
Ω	-6.18245E-13	-5.82364E-12	-3.22328E-10	2.55938E-8	-2.31380E-8	-2.55220E-9
ω	1.31524E-12	1.78613E-11	3.59855E-10	-2.31380E-8	2.26775E-8	-1.42659E-9
M	-4.61652E-12	-6.92088E-11	-1.93438E-10	-2.55220E-9	-1.42659E-9	1.31568E-8

Date of computation: 2026-07-30 14:25 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

24.397

Unit

mag

Source

[1]

Slope Parameter (G)

Value

0.15**

Unit

Source

[1]

Albedo
Diameter

Size and albedo

Value

Unit

Source

Albedo

Value

0.05 - 0.25

Unit

Source

[2]

Diameter

Value

40 - 80*

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

2090

Unit

Source

[1]

Unobserved

Value

262

Unit

Source

[1]

Normalized RMS of residuals

Value

0.590574

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-03-22.36744

Unit

Source

[2]

Last Observation

Value

2025-12-11.41845

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

63 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 2020FN3 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	1955-02-16 22:47	> 1 d	0.1818759	0.1790238	0.0009516
EARTH	1955-05-28 20:27	> 1 d	0.1911911	0.1881596	0.0010108
EARTH	1956-03-01 20:54	1284.9	0.1534252	0.1503874	0.0010132
EARTH	1956-05-10 20:06	> 1 d	0.1626990	0.1594365	0.0010877
EARTH	1957-03-21 14:01	473.7	0.1099159	0.1073597	0.0008523
EARTH	1958-03-31 02:01	12.7	0.0550370	0.0546668	0.0001234
EARTH	1959-03-30 16:03	30.3	0.0062884	0.0047355	0.0005834
EARTH	1960-03-29 23:38	14.7	0.0116086	0.0105795	0.0003450
EARTH	1961-03-31 05:13	7.9	0.0530707	0.0516496	0.0004737
EARTH	1962-03-27 17:46	125.9	0.1027372	0.1012587	0.0004928
EARTH	1963-03-07 09:27	370.8	0.1472005	0.1461327	0.0003559
EARTH	1963-05-06 09:16	508.3	0.1502421	0.1492375	0.0003349
EARTH	1964-02-21 10:13	375.5	0.1788452	0.1780948	0.0002501
EARTH	1964-05-23 02:17	510.5	0.1789496	0.1782939	0.0002186
EARTH	1965-06-05 11:05	482.4	0.1974895	0.1970567	0.0001443
EARTH	1972-08-23 19:58	349.8	0.1838737	0.1834693	0.0001348
EARTH	1972-11-29 11:20	248.8	0.1841725	0.1836989	0.0001578
EARTH	1973-09-08 10:03	327.2	0.1591492	0.1585966	0.0001842
EARTH	1973-11-17 06:07	232.9	0.1564439	0.1558418	0.0002007
EARTH	1974-10-30 16:55	148.0	0.1182488	0.1174772	0.0002572
EARTH	1975-10-20 00:17	4.7	0.0715473	0.0708066	0.0002469
EARTH	1976-10-19 19:10	7.2	0.0249165	0.0243559	0.0001869
EARTH	1977-10-20 19:53	< 1 min	0.0051657	0.0051278	0.0000126
EARTH	1978-10-26 03:19	< 1 min	0.1331110	0.1330692	0.0000139
EARTH	2018-03-26 18:19	< 1 min	0.1720383	0.1720363	0.0000007
EARTH	2019-04-01 11:14	< 1 min	0.0374650	0.0374636	0.0000005
EARTH	2020-04-04 04:49	< 1 min	0.0832636	0.0832623	0.0000004
EARTH	2021-02-26 12:54	< 1 min	0.1779855	0.1779838	0.0000006
EARTH	2021-05-25 06:24	< 1 min	0.1738369	0.1738352	0.0000006
EARTH	2024-08-12 08:13	< 1 min	0.1965329	0.1965312	0.0000006
EARTH	2025-09-15 16:13	< 1 min	0.1454467	0.1454456	0.0000003
EARTH	2025-11-10 23:35	< 1 min	0.1450624	0.1450614	0.0000003
EARTH	2026-10-20 10:05	< 1 min	0.0316389	0.0316378	0.0000004
EARTH	2027-10-24 12:48	< 1 min	0.0743358	0.0743340	0.0000006
EARTH	2028-10-28 07:49	< 1 min	0.1866077	0.1866050	0.0000009
EARTH	2073-03-25 06:45	< 1 min	0.1920729	0.1920263	0.0000155
EARTH	2074-03-30 04:10	< 1 min	0.0797358	0.0796897	0.0000154
EARTH	2075-04-03 09:25	< 1 min	0.0272935	0.0272523	0.0000137
EARTH	2076-03-12 16:11	2.4	0.1438255	0.1438185	0.0000023
EARTH	2076-05-06 07:00	2.6	0.1442070	0.1441991	0.0000026
EARTH	2077-06-11 09:32	7.5	0.1972738	0.1972711	0.0000009
EARTH	2080-09-02 16:40	43.6	0.1655269	0.1654566	0.0000234
EARTH	2080-11-20 01:19	36.5	0.1683083	0.1682275	0.0000269
EARTH	2081-10-18 19:18	< 1 min	0.0606204	0.0604416	0.0000596
EARTH	2082-10-23 06:49	2.6	0.0594223	0.0592297	0.0000642
EARTH	2083-10-28 15:32	2.0	0.1850934	0.1849220	0.0000571
EARTH	2124-03-27 23:17	14.4	0.1525484	0.1517530	0.0002651
EARTH	2125-04-02 04:30	16.1	0.0283812	0.0275697	0.0002705
EARTH	2126-04-05 10:19	2.7	0.0775232	0.0772647	0.0000862

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
85.41957066	284.43191525	0.00203880	MINIMUM
273.71204659	86.71661808	0.00227727	MINIMUM
359.46051481	185.46722202	0.21516130	SADDLE
179.64581433	5.65566371	0.24036317	SADDLE
359.47427515	5.48072536	1.78560195	SADDLE
179.63275534	185.64271562	2.24003165	MAXIMUM

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MOID Plots

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