Asteroids

2020MO1 help

Last update: 2026-07-30 14:25 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.707

Aphelion (Q)

2.900

Eccentricity (e)

0.608

Inclination (i)

10.0

deg

Orbit period (P)

884.7

Earth MOID

0.00236

U parameter

4.7

Next Earth close approach

Date

2037-06-23

Nominal distance (from Earth center)

0.15764

23582690

Maximum Brightness

22.4

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

23.4

mag

Diameter

50 - 120*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-06-22

Observatory

Pan-STARRS 2, 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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.803537

1-sigma variation

0.000013

Unit

Eccentricity (e)

Value

0.607761

1-sigma variation

0.000004

Unit

Inclination (i)

Value

10.0034

1-sigma variation

3.866E-5

Unit

Long. of Ascending Node (Ω)

Value

101.1559

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

257.9296

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

139.42684

1-sigma variation

0.01030

Unit

Perihelion distance

Value

0.707417

1-sigma variation

Unit

Aphelion distance

Value

2.899657

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.319201

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.007576

1-sigma variation

Unit

MOID

Value

0.002363

1-sigma variation

Unit

Orbit Period

Value

884.6795

1-sigma variation

Unit

U parameter

Value

4.7

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.74225E-10	5.26844E-11	3.06826E-10	6.07140E-10	1.07224E-9	-1.35910E-7
e	5.26844E-11	1.59420E-11	9.19051E-11	1.82500E-10	3.24681E-10	-4.10963E-8
i	3.06826E-10	9.19051E-11	1.49485E-9	6.66804E-11	3.17016E-9	-2.39716E-7
Ω	6.07140E-10	1.82500E-10	6.66804E-11	4.64430E-9	1.68979E-9	-4.74142E-7
ω	1.07224E-9	3.24681E-10	3.17016E-9	1.68979E-9	8.93926E-9	-8.36641E-7
M	-1.35910E-7	-4.10963E-8	-2.39716E-7	-4.74142E-7	-8.36641E-7	1.06022E-4

Date of computation: 2026-07-30 14:25 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

23.422

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

50 - 120*

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

189

Unit

Source

[1]

Unobserved

Value

2056

Unit

Source

[1]

Normalized RMS of residuals

Value

0.735411

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-06-13.353424

Unit

Source

[2]

Last Observation

Value

2020-12-19.320304

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

28 (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

Filters

Initial Date: *

Final Date: *

Normalised Only accepted

Max residual (arcsec):

* - these fields are required

Plot

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 1000 points and a final date not exceeding 2040/12/31 00:00.

Close Approaches for 2020MO1 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	1969-12-12 08:11	439.2	0.1027442	0.0923023	0.0037976
EARTH	1974-07-14 15:39	808.7	0.1407256	0.1263176	0.0048059
EARTH	1991-06-21 04:35	182.9	0.1922355	0.1846751	0.0025203
EARTH	2015-12-09 16:02	31.0	0.0752112	0.0751762	0.0000144
EARTH	2020-07-10 09:02	< 1 min	0.1026147	0.1026115	0.0000011
EARTH	2037-06-23 04:51	85.5	0.1576405	0.1542396	0.0011336
EARTH	2061-12-15 05:34	144.9	0.1344490	0.1293881	0.0017004
MARS	2064-07-23 06:01	127.9	0.0447505	0.0430640	0.0006240
EARTH	2078-11-28 09:41	198.3	0.1619745	0.1581959	0.0012625
EARTH	2083-07-01 06:55	105.9	0.0305631	0.0270698	0.0011646
EARTH	2107-12-10 04:55	848.3	0.0711525	0.0685326	0.0025951
EARTH	2112-07-06 07:46	1424.2	0.0382461	0.0032795	0.0132567

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Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
315.92349984	175.95200058	0.00236319	MINIMUM
43.17009230	332.83223441	0.07454095	MINIMUM
359.81972323	255.46029040	0.32983878	SADDLE
358.62878940	72.98732261	1.69684487	SADDLE
179.83882943	74.09772830	1.92600940	SADDLE
179.45833217	253.90449219	3.89340070	MAXIMUM

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MOID Plots

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