Asteroids

2020GE1 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Aten

Perihelion (q)

0.910

Aphelion (Q)

1.078

Eccentricity (e)

0.084

Inclination (i)

7.8

deg

Orbit period (P)

361.9

Earth MOID

0.01085

U parameter

4.7

Next Earth close approach

Date

2025-10-02

Nominal distance (from Earth center)

0.03514

5256688

Maximum Brightness

27.9

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

11 - 24*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-04-04

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

0.993911

1-sigma variation

0.000004

Unit

Eccentricity (e)

Value

0.084470

1-sigma variation

0.000011

Unit

Inclination (i)

Value

7.7660

1-sigma variation

0.0012

Unit

Long. of Ascending Node (Ω)

Value

17.0634

1-sigma variation

0.0004

Unit

Arg. of Perihelion (ω)

Value

71.2304

1-sigma variation

0.0010

Unit

Mean Anomaly (M)

Value

339.80543

1-sigma variation

0.00338

Unit

Perihelion distance

Value

0.909955

1-sigma variation

Unit

Aphelion distance

Value

1.077866

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.038105

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.012087

1-sigma variation

Unit

MOID

Value

0.010853

1-sigma variation

Unit

Orbit Period

Value

361.9256

1-sigma variation

Unit

U parameter

Value

4.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.60957E-11	4.42736E-11	4.63072E-9	1.52988E-9	-4.04560E-9	-1.35458E-8
e	4.42736E-11	1.22737E-10	1.28160E-8	4.24331E-9	-1.10730E-8	-3.72755E-8
i	4.63072E-9	1.28160E-8	1.33922E-6	4.43180E-7	-1.15956E-6	-3.89834E-6
Ω	1.52988E-9	4.24331E-9	4.43180E-7	1.46761E-7	-3.82585E-7	-1.28806E-6
ω	-4.04560E-9	-1.10730E-8	-1.15956E-6	-3.82585E-7	1.02016E-6	3.40373E-6
M	-1.35458E-8	-3.72755E-8	-3.89834E-6	-1.28806E-6	3.40373E-6	1.14002E-5

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

27.014

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

11 - 24*

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

Unit

Source

[1]

Unobserved

Value

1978

Unit

Source

[1]

Normalized RMS of residuals

Value

0.6292

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-04-04.24005

Unit

Source

[2]

Last Observation

Value

2020-04-16.17243

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

90 (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 2020GE1 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	1950-04-11 19:06	56.0	0.1799954	0.1708631	0.0030442
EARTH	1951-04-09 07:39	8.3	0.0989952	0.0938810	0.0017050
EARTH	1952-04-07 06:48	28.2	0.0266277	0.0260040	0.0002080
EARTH	1953-04-07 19:30	65.9	0.0194575	0.0154469	0.0013755
EARTH	1954-04-15 07:50	336.7	0.0864895	0.0821983	0.0014325
EARTH	1954-11-24 06:53	1125.4	0.1320566	0.1296049	0.0008289
EARTH	1955-05-23 13:33	843.4	0.1470820	0.1445978	0.0008335
EARTH	1955-10-23 09:44	588.5	0.0797299	0.0768751	0.0009644
EARTH	1956-10-05 07:36	308.0	0.0377963	0.0374649	0.0001541
EARTH	1957-09-24 08:47	198.2	0.0742513	0.0711576	0.0010418
EARTH	1958-09-15 16:39	112.4	0.1501946	0.1464221	0.0012596
EARTH	2018-04-09 17:14	1.5	0.1650884	0.1649045	0.0000613
EARTH	2019-04-07 10:03	< 1 min	0.0797586	0.0796636	0.0000317
EARTH	2020-04-06 02:38	< 1 min	0.0095022	0.0094981	0.0000014
EARTH	2021-04-07 03:17	2.1	0.0311697	0.0311105	0.0000198
EARTH	2022-04-12 08:59	8.8	0.0798784	0.0797889	0.0000298
EARTH	2022-11-23 13:19	38.7	0.1339716	0.1338065	0.0000550
EARTH	2023-04-29 16:04	21.5	0.1290222	0.1289344	0.0000293
EARTH	2023-10-28 01:54	30.8	0.0929324	0.0927288	0.0000679
EARTH	2024-10-12 06:02	27.4	0.0513630	0.0511847	0.0000595
EARTH	2025-10-02 21:36	22.4	0.0351388	0.0350964	0.0000144
EARTH	2026-09-24 16:47	21.9	0.0723510	0.0720526	0.0000996
EARTH	2027-09-17 08:49	16.7	0.1350254	0.1346162	0.0001364
EARTH	2096-04-08 20:39	26.1	0.1992836	0.1966672	0.0008721
EARTH	2097-04-06 12:46	25.2	0.1251866	0.1226873	0.0008332
EARTH	2098-04-05 06:14	12.9	0.0574658	0.0552630	0.0007347
EARTH	2099-04-05 08:58	5.5	0.0100265	0.0096345	0.0001593
EARTH	2100-04-05 19:55	134.0	0.0182916	0.0126613	0.0021109
EARTH	2101-04-09 00:11	364.3	0.0609028	0.0532937	0.0025478
EARTH	2101-11-20 21:49	1082.3	0.1348469	0.1308288	0.0013611
EARTH	2102-04-19 05:50	602.4	0.1093672	0.1030984	0.0020971
EARTH	2102-10-27 13:58	627.7	0.0939300	0.0901664	0.0012670
EARTH	2103-05-15 22:51	875.2	0.1517823	0.1481627	0.0012143
EARTH	2103-10-13 17:32	350.9	0.0530011	0.0507721	0.0007564
EARTH	2104-10-03 14:08	110.4	0.0339442	0.0339125	0.0000186
EARTH	2105-09-25 11:14	7.9	0.0651092	0.0650734	0.0000121
EARTH	2106-09-17 19:27	63.5	0.1244865	0.1235597	0.0003090
EARTH	2107-09-11 03:27	78.3	0.1934133	0.1914627	0.0006504

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
101.76423431	91.63716936	0.01291879	MINIMUM
287.38482087	269.69940674	0.03407787	MINIMUM
13.77835751	0.96542982	0.14617440	SADDLE
195.36756179	180.10184690	0.15299274	SADDLE
358.90313173	164.93442784	1.92166549	SADDLE
174.45583699	340.45227326	2.05977891	MAXIMUM

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MOID Plots

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