Asteroids

2020OM6 help

Last update: 2025-04-03 00:06 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)

0.02298

3438305

Maximum Brightness

19.2

mag

Risk

Object is in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

24.9

mag

Diameter

28 - 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

270.9588

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

215.74066

1-sigma variation

0.00887

Unit

Perihelion distance

Value

0.893978

1-sigma variation

Unit

Aphelion distance

Value

1.229948

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	1.05868E-9	9.06709E-10	-5.94794E-8
i	5.17549E-10	9.88498E-10	2.15014E-8	2.31523E-8	1.95878E-8	-1.29183E-6
Ω	5.59028E-10	1.05868E-9	2.31523E-8	2.61130E-8	2.19007E-8	-1.39657E-6
ω	5.20317E-10	9.06709E-10	1.95878E-8	2.19007E-8	3.58845E-8	-1.30656E-6
M	-3.14676E-8	-5.94794E-8	-1.29183E-6	-1.39657E-6	-1.30656E-6	7.85992E-5

Date of computation: 2025-02-19 13:28 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

24.902

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

28 - 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

1658

Unit

Source

[1]

Normalized RMS of residuals

Value

0.634446

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 08:45	> 1 d	0.0182502	0.0177163	0.0049254
EARTH	1960-07-17 11:12	1437.6	0.1113613	0.0517524	0.0198907
EARTH	1972-06-11 08:38	> 1 d	0.0934941	0.0886041	0.0016355
EARTH	1984-02-01 12:58	> 1 d	0.0551065	0.0168486	0.0170705
EARTH	1985-07-20 05:33	791.2	0.1766472	0.1287202	0.0159768
EARTH	1996-01-23 20:56	70.8	0.1046387	0.1018402	0.0009329
EARTH	1997-07-12 09:34	120.8	0.0229700	0.0194552	0.0011792
EARTH	2008-01-31 18:15	33.4	0.0279090	0.0271844	0.0002452
EARTH	2009-07-20 21:59	16.1	0.1978590	0.1968533	0.0003352
EARTH	2020-06-25 00:18	< 1 min	0.0735366	0.0735278	0.0000029
EARTH	2031-01-29 06:50	27.3	0.0229837	0.0224649	0.0001795
EARTH	2032-07-18 17:30	23.0	0.1315958	0.1299199	0.0005587
EARTH	2043-01-31 06:53	222.7	0.0285545	0.0239548	0.0017161
EARTH	2044-07-20 09:18	118.1	0.1815788	0.1724816	0.0030324
EARTH	2054-12-12 07:37	> 1 d	0.1841194	0.1745638	0.0032079
EARTH	2055-04-25 17:48	> 1 d	0.1251456	0.1238345	0.0004403
EARTH	2055-08-25 11:36	> 1 d	0.1793933	0.1685797	0.0036166
EARTH	2066-01-21 14:09	373.4	0.1756041	0.1499405	0.0085625
EARTH	2067-07-10 05:23	1002.1	0.0081510	0.0044278	0.0069567
EARTH	2079-01-19 01:57	> 1 w	0.1492387	0.0151983	0.3477650
EARTH	2080-06-29 18:46	> 1 mo	0.0666919	0.0016065	0.3408822
EARTH	2092-12-15 12:51	> 1 d	0.1632870	0.1590035	0.0014445
EARTH	2093-04-05 00:22	> 1 w	0.1283366	0.1274281	0.0005500
EARTH	2093-09-08 09:07	> 1 w	0.1993574	0.1879622	0.0038004
EARTH	2106-01-27 03:00	> 1 w	0.0243474	0.0161251	0.2789275
EARTH	2107-07-16 19:37	> 1 w	0.1061539	0.0015543	0.4451090
EARTH	2119-01-17 02:37	> 1 mo	0.1133503	0.0328484	0.4145970
EARTH	2119-03-05 07:12	> 1 mo	0.1040967	0.0170815	0.2560052

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
75.15321541	185.85053820	0.00621777	MINIMUM
294.64292891	27.21859420	0.02016729	MINIMUM
5.12905314	106.59047286	0.12572442	SADDLE
184.16670492	285.93566076	0.24521026	SADDLE
6.34502189	288.03758007	1.88823196	SADDLE
184.84417316	106.51988243	2.23240019	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/σ	IP	Exp. energy	PS	TS
2106-07-14.105	90454.105	-0.345	0.000	0.83 ± 0.003	8.53E5	2.01E-6	1.83E-6	-6.11	0
2121-07-13.334	95932.334	-0.295	0.000	0.86 ± 0.000	6.54E7	2.74E-8	2.50E-8	-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=20250305 090411.887 UTC.

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