Asteroids

2020GE help

Last update: 2025-11-24 16:53 UTC

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.936

Aphelion (Q)

1.034

Eccentricity (e)

0.050

Inclination (i)

1.7

deg

Orbit period (P)

356.9

Earth MOID

0.00329

U parameter

2.0

A₁

189037.0

10^-15au/days²

A₂

-1936.0

10^-15au/days²

Next Earth close approach

Date

2026-03-09

Nominal distance (from Earth center)

0.04134

6184953

Maximum Brightness

25.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

7 - 15*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-04-02

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

0.984615

1-sigma variation

7.090E-8

Unit

Eccentricity (e)

Value

0.049667

1-sigma variation

2.798E-8

Unit

Inclination (i)

Value

1.6514

1-sigma variation

2.057E-6

Unit

Long. of Ascending Node (Ω)

Value

173.4268

1-sigma variation

2.273E-5

Unit

Arg. of Perihelion (ω)

Value

71.5306

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

177.51468

1-sigma variation

0.00012

Unit

Perihelion distance

Value

0.935712

1-sigma variation

Unit

Aphelion distance

Value

1.033517

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.028299

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.008006

1-sigma variation

Unit

MOID

Value

0.003290

1-sigma variation

Unit

Orbit Period

Value

356.8601

1-sigma variation

Unit

U parameter

Value

2.0

1-sigma variation

Unit

A₁

Value

189036.97498

1-sigma variation

8621.96256

Unit

10^-15au/days²

A₂

Value

-1936.01133

1-sigma variation

12.58840

Unit

10^-15au/days²

Covariance Matrix

	a	e	i	Ω	ω	M	A₁	A₂
a	5.02686E-15	-1.67410E-15	-4.48686E-14	-1.06395E-12	6.17273E-12	-7.70399E-12	-3.69638E-4	7.78646E-7
e	-1.67410E-15	7.83046E-16	-8.10807E-15	1.36018E-13	-1.52687E-12	1.98860E-12	2.12287E-4	-2.56943E-7
i	-4.48686E-14	-8.10807E-15	4.23196E-12	4.05504E-11	-1.18251E-10	1.30040E-10	-6.53904E-3	-6.99197E-6
Ω	-1.06395E-12	1.36018E-13	4.05504E-11	5.16587E-10	-1.94546E-9	2.29502E-9	-3.02176E-2	-1.87310E-4
ω	6.17273E-12	-1.52687E-12	-1.18251E-10	-1.94546E-9	9.06836E-9	-1.10716E-8	-1.93299E-1	1.01925E-3
M	-7.70399E-12	1.98860E-12	1.30040E-10	2.29502E-9	-1.10716E-8	1.35979E-8	2.77346E-1	-1.27606E-3
A₁	-3.69638E-4	2.12287E-4	-6.53904E-3	-3.02176E-2	-1.93299E-1	2.77346E-1	7.43384E7	-4.13990E4
A₂	7.78646E-7	-2.56943E-7	-6.99197E-6	-1.87310E-4	1.01925E-3	-1.27606E-3	-4.13990E4	1.58468E2

Date of computation: 2025-11-24 16:53 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

28.012

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

7 - 15*

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

1699

Unit

Source

[1]

Unobserved

Value

467

Unit

Source

[1]

Normalized RMS of residuals

Value

0.944226

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-03-29.509111

Unit

Source

[2]

Last Observation

Value

2024-11-22.202581

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

51 (4)

Unit

Source

[1]

Radar Summary

First Observation
Last Observation
Delay (Discarded)
Doppler (Discarded)
Total Optical Observations (Discarded)

Radar

Value

Unit

Source

First Observation

Value

2024-09-20

Unit

Source

[3]

Last Observation

Value

2024-09-23

Unit

Source

[3]

Delay (Discarded)

Value

3 (0)

Unit

Source

[1]

Doppler (Discarded)

Value

4 (0)

Unit

Source

[1]

Total Radar Observations (Discarded)

Value

7 (0)

Unit

Source

[1]

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
[3]	JPL Radar Observations	Jet Propulsion Laboratory: https://ssd.jpl.nasa.gov/dat/radar_data_ast.txt

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 100 points and a final date not exceeding 2080/07/22 14:12.

Close Approaches for 2020GE 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	1961-10-08 01:32	1.8	0.1970504	0.1956790	0.0004571
EARTH	1962-10-03 20:13	< 1 s	0.0027605	0.0027513	0.0000031
EARTH	1963-10-07 17:28	< 1 min	0.0852815	0.0852559	0.0000086
EARTH	1964-10-10 10:33	< 1 min	0.1846828	0.1846562	0.0000089
EARTH	2018-04-11 15:57	< 1 s	0.1855582	0.1855579	0.0000001
EARTH	2019-04-13 16:52	< 1 s	0.0870647	0.0870645	0.0000001
EARTH	2020-04-10 04:47	< 1 s	0.0139041	0.0139041	0.0000000
EARTH	2021-03-27 16:41	< 1 min	0.0325278	0.0325277	0.0000000
EARTH	2022-02-05 06:42	< 1 min	0.0660134	0.0660133	0.0000000
EARTH	2022-07-08 03:08	< 1 min	0.0621894	0.0621894	0.0000000
EARTH	2022-12-20 02:42	< 1 min	0.0725754	0.0725754	0.0000000
EARTH	2023-09-08 12:49	< 1 min	0.0382667	0.0382666	0.0000000
EARTH	2024-09-24 04:52	< 1 s	0.0044141	0.0044141	0.0000000
EARTH	2025-06-16 19:01	1.5	0.0815235	0.0815232	0.0000001
EARTH	2026-01-29 20:23	1.9	0.0415864	0.0415846	0.0000006
EARTH	2026-03-09 13:40	1.5	0.0413439	0.0413418	0.0000007
EARTH	2027-02-15 18:19	< 1 min	0.0815231	0.0815202	0.0000010
EARTH	2067-09-21 22:39	< 1 min	0.1226929	0.1226846	0.0000028
EARTH	2068-09-17 11:44	< 1 min	0.0048402	0.0048333	0.0000023
EARTH	2069-03-25 12:10	99.0	0.0914677	0.0914603	0.0000025
EARTH	2085-09-11 17:37	2.4	0.0477810	0.0439266	0.0012848
EARTH	2086-04-25 06:18	> 1 d	0.1024205	0.1017954	0.0002085
EARTH	2087-01-09 15:59	76.2	0.1354919	0.1347297	0.0002541
EARTH	2103-09-15 11:19	335.2	0.1482060	0.1048215	0.0144615
EARTH	2104-06-06 02:04	> 1 w	0.1017227	0.0956051	0.0020456
EARTH	2105-01-12 15:44	58.7	0.0383617	0.0177939	0.0130462
EARTH	2120-09-16 09:04	> 1 d	0.0829178	0.0032224	0.1952786
EARTH	2121-05-06 23:20	> 1 mo	0.1077255	0.0831368	0.0157307
EARTH	2122-01-11 11:57	518.0	0.1290301	0.0179465	0.1621054

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
111.81085089	259.05218703	0.00328978	MINIMUM
269.45056572	49.50331293	0.01150756	MINIMUM
190.88514903	334.42077865	0.05542257	SADDLE
10.90367877	154.64744063	0.08462450	SADDLE
9.56567412	333.23284752	1.92153612	SADDLE
188.97248499	152.63890140	2.04888059	MAXIMUM

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MOID Plots

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