Asteroids

2020PG6 help

Last update: 2025-03-14 12:42 UTC

Orbital Properties

Epoch

60800.0

MJD

Orbit type

Apollo

Perihelion (q)

0.881

Aphelion (Q)

1.482

Eccentricity (e)

0.254

Inclination (i)

4.9

deg

Orbit period (P)

469.2

Earth MOID

0.00017

U parameter

6.5

Next Earth close approach

Date

2029-08-28

Nominal distance (from Earth center)

0.03399

5084683

Maximum Brightness

22.4

mag

Risk

Object is not in risk list

Object is not in priority list

Physical Properties

Absolute Magnitude (H)

26.9

mag

Diameter

11 - 25*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-08-13

Observatory

Pan-STARRS 1, 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

60800.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.181665

1-sigma variation

0.000086

Unit

Eccentricity (e)

Value

0.254195

1-sigma variation

0.000081

Unit

Inclination (i)

Value

4.8533

1-sigma variation

0.0015

Unit

Long. of Ascending Node (Ω)

Value

158.1678

1-sigma variation

0.0003

Unit

Arg. of Perihelion (ω)

Value

248.0135

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

186.49306

1-sigma variation

0.13561

Unit

Perihelion distance

Value

0.881291

1-sigma variation

Unit

Aphelion distance

Value

1.482039

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.230765

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.000431

1-sigma variation

Unit

MOID

Value

0.000165

1-sigma variation

Unit

Orbit Period

Value

469.1805

1-sigma variation

Unit

U parameter

Value

6.5

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	7.36888E-9	6.98000E-9	1.28747E-7	-2.18032E-8	-1.45962E-8	-1.16412E-5
e	6.98000E-9	6.61184E-9	1.21959E-7	-2.06557E-8	-1.37778E-8	-1.10269E-5
i	1.28747E-7	1.21959E-7	2.24963E-6	-3.81045E-7	-2.53614E-7	-2.03393E-4
Ω	-2.18032E-8	-2.06557E-8	-3.81045E-7	6.46019E-8	4.23888E-8	3.44445E-5
ω	-1.45962E-8	-1.37778E-8	-2.53614E-7	4.23888E-8	4.03883E-8	2.30546E-5
M	-1.16412E-5	-1.10269E-5	-2.03393E-4	3.44445E-5	2.30546E-5	1.83905E-2

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

26.89

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 - 25*

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

1654

Unit

Source

[1]

Normalized RMS of residuals

Value

0.786895

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-08-11.36766

Unit

Source

[2]

Last Observation

Value

2020-09-02.135662

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

30 (1)

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 2020PG6 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	1956-08-18 01:19	> 1 w	0.1776207	0.0063929	0.5337096
EARTH	1971-01-13 02:11	> 1 w	0.0629844	0.0628421	0.0136594
EARTH	1979-11-23 14:42	> 1 mo	0.1293950	0.1040254	0.0281376
EARTH	1988-09-23 23:42	> 1 mo	0.0905634	0.0212114	0.0670230
EARTH	1997-08-28 22:02	> 1 d	0.0275093	0.0006565	0.0161983
EARTH	2012-01-06 02:47	> 1 d	0.0857040	0.0737995	0.0043400
EARTH	2020-09-02 08:42	< 1 min	0.0151465	0.0151318	0.0000049
EARTH	2029-08-28 06:21	750.3	0.0339890	0.0159372	0.0060180
EARTH	2044-01-20 16:00	> 1 d	0.1343151	0.0672940	0.0269613
EARTH	2053-01-01 05:18	> 1 w	0.0938495	0.0592885	0.0299112
EARTH	2061-10-09 13:33	> 1 w	0.1131435	0.0517742	0.0253923
EARTH	2070-08-27 14:31	> 1 d	0.0468275	0.0002387	0.0536874
EARTH	2085-01-09 21:29	> 1 w	0.0699154	0.0612448	0.0786704
EARTH	2093-09-17 03:23	> 1 mo	0.0768168	0.0103128	0.3290414
EARTH	2102-08-20 07:20	> 1 w	0.1750522	0.0036635	0.3685267
EARTH	2108-01-23 12:57	> 1 w	0.1583712	0.0598138	0.2933515
EARTH	2116-12-11 04:03	> 1 mo	0.1188624	0.0632696	0.0601981
EARTH	2125-09-06 19:34	> 1 w	0.0347205	0.0007619	0.0488728

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
305.09855708	237.19778405	0.00014328	MINIMUM
52.32001948	9.25635286	0.06309630	MINIMUM
1.26454199	306.77258016	0.13109755	SADDLE
179.08797537	122.98499148	0.48266790	SADDLE
356.68017121	120.89337012	1.88858120	SADDLE
177.65843973	301.88307803	2.47054761	MAXIMUM

Download:

MOID Plots

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