Asteroids

2020FN3 help

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

Orbital Properties

Epoch

61000.0

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

0.00198

U parameter

2.0

Next Earth close approach

Date

2025-11-10

Nominal distance (from Earth center)

0.14506

21700991

Maximum Brightness

21.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.3

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

61000.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.012679

1-sigma variation

6.845E-8

Unit

Eccentricity (e)

Value

0.208059

1-sigma variation

0.000001

Unit

Inclination (i)

Value

0.8958

1-sigma variation

4.788E-6

Unit

Long. of Ascending Node (Ω)

Value

20.6372

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

269.7862

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

111.63799

1-sigma variation

0.00016

Unit

Perihelion distance

Value

0.801982

1-sigma variation

Unit

Aphelion distance

Value

1.223376

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.028536

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.034903

1-sigma variation

Unit

MOID

Value

0.001985

1-sigma variation

Unit

Orbit Period

Value

372.2256

1-sigma variation

Unit

U parameter

Value

2.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	4.68513E-15	5.61669E-14	1.49019E-13	-6.63542E-13	1.94822E-12	-9.73838E-12
e	5.61669E-14	6.93101E-13	1.84727E-12	-6.64460E-12	2.36653E-11	-1.16243E-10
i	1.49019E-13	1.84727E-12	2.29277E-11	-4.42615E-10	4.92026E-10	-3.13760E-10
Ω	-6.63542E-13	-6.64460E-12	-4.42615E-10	2.96052E-8	-2.71591E-8	-2.69135E-9
ω	1.94822E-12	2.36653E-11	4.92026E-10	-2.71591E-8	2.67929E-8	-2.49776E-9
M	-9.73838E-12	-1.16243E-10	-3.13760E-10	-2.69135E-9	-2.49776E-9	2.43872E-8

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

24.284

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

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

[-]

Download this part as:

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

674

Unit

Source

[1]

Unobserved

Value

1339

Unit

Source

[1]

Normalized RMS of residuals

Value

0.670609

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

2022-01-25.47672

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

50 (1)

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 2020FN3 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	1955-02-16 18:45	822.8	0.1821698	0.1807453	0.0004773
EARTH	1955-05-29 01:20	1152.8	0.1915207	0.1901729	0.0004512
EARTH	1956-03-01 17:53	846.7	0.1536752	0.1515309	0.0007164
EARTH	1956-05-11 00:03	1223.5	0.1629848	0.1608525	0.0007123
EARTH	1957-03-21 12:53	529.6	0.1099857	0.1067905	0.0010654
EARTH	1958-03-31 01:59	15.4	0.0547472	0.0513371	0.0011368
EARTH	1959-03-30 15:37	38.4	0.0058059	0.0041525	0.0006952
EARTH	1960-03-29 23:51	19.6	0.0119095	0.0105435	0.0004586
EARTH	1961-03-31 05:21	10.2	0.0534829	0.0516022	0.0006269
EARTH	1962-03-27 14:35	170.9	0.1031660	0.1012090	0.0006523
EARTH	1963-03-07 06:04	492.4	0.1475101	0.1460973	0.0004710
EARTH	1963-05-06 13:31	675.4	0.1505332	0.1492053	0.0004426
EARTH	1964-02-21 07:47	498.7	0.1790629	0.1780681	0.0003316
EARTH	1964-05-23 05:12	678.9	0.1791398	0.1782712	0.0002896
EARTH	1965-06-05 13:32	642.8	0.1976151	0.1970411	0.0001913
EARTH	1972-08-23 21:53	474.7	0.1837548	0.1832044	0.0001835
EARTH	1972-11-29 09:47	337.7	0.1840333	0.1833896	0.0002146
EARTH	1973-09-08 12:23	445.6	0.1589864	0.1582316	0.0002516
EARTH	1973-11-17 04:15	317.4	0.1562667	0.1554449	0.0002739
EARTH	1974-10-30 14:12	201.4	0.1180211	0.1169630	0.0003527
EARTH	1975-10-20 00:12	6.3	0.0713283	0.0703079	0.0003401
EARTH	1976-10-19 19:17	10.0	0.0247501	0.0239717	0.0002595
EARTH	1977-10-20 19:52	< 1 min	0.0051544	0.0051020	0.0000175
EARTH	1978-10-26 03:19	< 1 min	0.1330986	0.1330406	0.0000193
EARTH	2018-03-26 18:19	< 1 min	0.1720390	0.1720360	0.0000010
EARTH	2019-04-01 11:14	< 1 min	0.0374654	0.0374635	0.0000006
EARTH	2020-04-04 04:49	< 1 min	0.0832637	0.0832624	0.0000004
EARTH	2021-02-26 12:54	< 1 min	0.1779860	0.1779837	0.0000008
EARTH	2021-05-25 06:24	< 1 min	0.1738374	0.1738352	0.0000007
EARTH	2024-08-12 08:13	1.1	0.1965332	0.1965315	0.0000006
EARTH	2025-09-15 16:13	1.3	0.1454465	0.1454450	0.0000005
EARTH	2025-11-10 23:34	< 1 min	0.1450622	0.1450605	0.0000006
EARTH	2026-10-20 10:05	< 1 min	0.0316380	0.0316341	0.0000013
EARTH	2027-10-24 12:48	< 1 min	0.0743368	0.0743328	0.0000013
EARTH	2028-10-28 07:49	< 1 min	0.1866085	0.1866047	0.0000013
EARTH	2073-03-25 06:45	< 1 min	0.1920763	0.1920248	0.0000172
EARTH	2074-03-30 04:09	< 1 min	0.0797393	0.0796880	0.0000171
EARTH	2075-04-03 09:25	< 1 min	0.0272903	0.0272444	0.0000153
EARTH	2076-03-12 16:12	3.0	0.1438249	0.1438172	0.0000026
EARTH	2076-05-06 06:59	3.4	0.1442064	0.1441978	0.0000029
EARTH	2077-06-11 09:33	7.7	0.1972743	0.1972703	0.0000013
EARTH	2080-09-02 16:43	46.8	0.1655232	0.1654487	0.0000248
EARTH	2080-11-20 01:16	39.2	0.1683040	0.1682182	0.0000286
EARTH	2081-10-18 19:18	< 1 min	0.0606099	0.0604178	0.0000640
EARTH	2082-10-23 06:50	2.9	0.0594343	0.0592262	0.0000694
EARTH	2083-10-28 15:33	2.2	0.1851045	0.1849184	0.0000620
EARTH	2124-03-27 23:15	15.0	0.1525811	0.1517560	0.0002750
EARTH	2125-04-02 04:28	16.8	0.0284148	0.0275726	0.0002808

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
85.17989546	286.43963143	0.00195552	MINIMUM
273.64867836	88.94252771	0.00232614	MINIMUM
359.27237814	187.54691307	0.21440208	SADDLE
179.52243739	7.80101310	0.24044574	SADDLE
359.29006129	7.56413193	1.78595949	SADDLE
179.50470664	187.78353134	2.23970451	MAXIMUM

Download:

MOID Plots

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