Asteroids

2020OM6 help

Last update: 2025-07-29 02:36 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.894

Aphelion (Q)

1.230

Eccentricity (e)

0.158

Inclination (i)

3.7

deg

Orbit period (P)

399.7

Earth MOID

0.00633

U parameter

4.5

Next Earth close approach

Date

2031-01-29

Nominal distance (from Earth center)

0.02299

3438736

Maximum Brightness

19.2

mag

Risk

Object is in risk list

Physical Properties

Absolute Magnitude (H)

mag

Diameter

27 - 60*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-07-30

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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.061963

1-sigma variation

0.000004

Unit

Eccentricity (e)

Value

0.158183

1-sigma variation

0.000007

Unit

Inclination (i)

Value

3.7256

1-sigma variation

0.0001

Unit

Long. of Ascending Node (Ω)

Value

292.5254

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

270.9589

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

215.74080

1-sigma variation

0.00887

Unit

Perihelion distance

Value

0.893978

1-sigma variation

Unit

Aphelion distance

Value

1.229947

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.016822

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.054044

1-sigma variation

Unit

MOID

Value

0.006327

1-sigma variation

Unit

Orbit Period

Value

399.7261

1-sigma variation

Unit

U parameter

Value

4.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.25989E-11	2.38291E-11	5.17549E-10	5.59028E-10	5.20317E-10	-3.14676E-8
e	2.38291E-11	4.55417E-11	9.88498E-10	1.05869E-9	9.06710E-10	-5.94793E-8
i	5.17549E-10	9.88498E-10	2.15014E-8	2.31523E-8	1.95879E-8	-1.29183E-6
Ω	5.59028E-10	1.05869E-9	2.31523E-8	2.61131E-8	2.19007E-8	-1.39657E-6
ω	5.20317E-10	9.06710E-10	1.95879E-8	2.19007E-8	3.58845E-8	-1.30657E-6
M	-3.14676E-8	-5.94793E-8	-1.29183E-6	-1.39657E-6	-1.30657E-6	7.85991E-5

Date of computation: 2025-07-29 02:36 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

24.962

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

27 - 60*

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

1801

Unit

Source

[1]

Normalized RMS of residuals

Value

0.63437

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-07-19.51922

Unit

Source

[2]

Last Observation

Value

2020-09-18.303524

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

42 (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 2020OM6 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	1959-01-28 09:14	> 1 d	0.0181775	0.0177171	0.0046262
EARTH	1960-07-17 11:38	> 1 d	0.1116659	0.0515041	0.0200753
EARTH	1972-06-11 09:18	> 1 d	0.0934678	0.0881434	0.0017810
EARTH	1984-02-01 12:13	> 1 d	0.0548469	0.0168697	0.0170227
EARTH	1985-07-20 05:17	789.9	0.1764044	0.1285830	0.0159416
EARTH	1996-01-23 20:57	70.7	0.1046531	0.1018659	0.0009291
EARTH	1997-07-12 09:36	120.7	0.0229880	0.0194759	0.0011783
EARTH	2008-01-31 18:15	33.4	0.0279127	0.0271880	0.0002452
EARTH	2009-07-20 22:00	16.1	0.1978642	0.1968586	0.0003352
EARTH	2020-06-25 00:18	< 1 min	0.0735365	0.0735277	0.0000029
EARTH	2031-01-29 06:49	27.3	0.0229865	0.0224675	0.0001796
EARTH	2032-07-18 17:29	23.0	0.1315871	0.1299121	0.0005583
EARTH	2043-01-31 06:49	222.3	0.0285271	0.0239387	0.0017124
EARTH	2044-07-20 09:15	118.0	0.1815306	0.1724259	0.0030349
EARTH	2054-12-12 08:15	> 1 d	0.1840680	0.1744490	0.0032294
EARTH	2055-04-25 16:45	> 1 d	0.1251525	0.1238440	0.0004395
EARTH	2055-08-25 12:21	> 1 d	0.1794511	0.1685796	0.0036360
EARTH	2066-01-21 14:01	376.3	0.1757414	0.1498721	0.0086312
EARTH	2067-07-10 05:07	1012.1	0.0082628	0.0044277	0.0070541
EARTH	2079-01-19 08:34	> 1 w	0.1436198	0.0153372	0.3564602
EARTH	2080-07-01 16:40	> 1 mo	0.0611484	0.0000796	0.3535266
EARTH	2092-12-15 18:59	> 1 mo	0.1627078	0.0601661	0.0751377
EARTH	2093-04-04 13:27	> 1 mo	0.1282068	0.0749785	0.0180904
EARTH	2093-09-08 16:22	> 1 mo	0.1997667	0.0680776	0.0496635
EARTH	2106-01-26 15:41	> 1 mo	0.0193940	0.0162170	0.3169984
EARTH	2107-07-16 09:24	> 1 mo	0.0932817	0.0006671	1.4197438
EARTH	2119-02-03 02:43	> 1 mo	0.0718299	0.0125853	6.4251997
EARTH	2120-07-18 21:09	> 1 mo	0.1672578	0.0019221	6.2447622

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
75.05492453	185.38002828	0.00632661	MINIMUM
294.35699376	26.57930053	0.01983944	MINIMUM
4.92886798	106.03314918	0.12580602	SADDLE
184.00495967	285.40721159	0.24467890	SADDLE
6.11197365	287.43989475	1.88878153	SADDLE
184.66036682	105.97197034	2.23247598	MAXIMUM

Download:

MOID Plots

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

Level lines of the squared distance function

2020OM6

Date in UTC	MJD	σ	σ_imp	Distance ± Width in RE	Stretching in RE	IP	Impact energy	PS	TS
2106-07-14.105	90454.105	-0.345	0.000	0.83 ± 0.003	8.53E5	2.01E-6	9.10E-1	-6.11	0
2121-07-13.334	95932.334	-0.295	0.000	0.86 ± 0.000	6.54E7	2.74E-8	9.12E-1	-8.05	0


Based on 42 optical observations (of which 0 are rejected as outliers) from 2020/07/19.519 to 2020/09/18.304.
Coordinates are given on the Target Plane.
Unit is one Earth radius, but impact cross section has radius between 2.43 and 2.43 Earth radii.
Coordinates for LOV = EQU scaled= 1 second= F.
AstOD software version= 4.0, Date of computation=20250805 130500.123 UTC.

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Download Impactor Table as: