Asteroids

2020TX2 help

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

Orbital Properties

Epoch

61000.0

MJD

Orbit type

Apollo

Perihelion (q)

0.643

Aphelion (Q)

4.173

Eccentricity (e)

0.733

Inclination (i)

26.6

deg

Orbit period (P)

1364.9

Earth MOID

0.01631

U parameter

5.3

Next Earth close approach

Date

2035-10-22

Nominal distance (from Earth center)

0.15506

23195961

Maximum Brightness

18.8

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

20.7

mag

Diameter

190 - 400*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-10-10

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

2.408114

1-sigma variation

0.000071

Unit

Eccentricity (e)

Value

0.732867

1-sigma variation

0.000010

Unit

Inclination (i)

Value

26.5942

1-sigma variation

0.0006

Unit

Long. of Ascending Node (Ω)

Value

12.3074

1-sigma variation

0.0002

Unit

Arg. of Perihelion (ω)

Value

101.4359

1-sigma variation

0.0002

Unit

Mean Anomaly (M)

Value

110.68315

1-sigma variation

0.02092

Unit

Perihelion distance

Value

0.643286

1-sigma variation

Unit

Aphelion distance

Value

4.172942

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

0.304038

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

-0.027577

1-sigma variation

Unit

MOID

Value

0.016312

1-sigma variation

Unit

Orbit Period

Value

1364.9413

1-sigma variation

Unit

U parameter

Value

5.3

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	5.08241E-9	6.86744E-10	4.02445E-8	-1.58754E-8	1.33261E-8	-1.49128E-6
e	6.86744E-10	9.30422E-11	5.47664E-9	-2.16172E-9	1.87178E-9	-2.01512E-7
i	4.02445E-8	5.47664E-9	3.28403E-7	-1.29743E-7	1.18766E-7	-1.18104E-5
Ω	-1.58754E-8	-2.16172E-9	-1.29743E-7	5.13575E-8	-4.73542E-8	4.65899E-6
ω	1.33261E-8	1.87178E-9	1.18766E-7	-4.73542E-8	5.68645E-8	-3.91278E-6
M	-1.49128E-6	-2.01512E-7	-1.18104E-5	4.65899E-6	-3.91278E-6	4.37572E-4

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

20.711

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

190 - 400*

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

1802

Unit

Source

[1]

Normalized RMS of residuals

Value

0.584155

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-09-09.455051

Unit

Source

[2]

Last Observation

Value

2020-11-15.162957

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

60 (2)

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 2020TX2 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	2035-10-22 21:12	252.6	0.1550554	0.1501957	0.0017527
EARTH	2050-10-15 16:54	484.3	0.1784074	0.1658663	0.0045541
EARTH	2065-10-19 14:44	771.4	0.1585009	0.1579732	0.0010214
EARTH	2080-10-19 22:25	1237.2	0.1636533	0.1617525	0.0030919
EARTH	2092-04-11 04:20	> 1 d	0.1728216	0.0937142	0.0268433
EARTH	2107-03-25 13:40	> 1 d	0.1445911	0.0708991	0.0254122

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
36.59011502	90.58788810	0.01551163	MINIMUM
319.64823785	284.61146323	0.13854126	MINIMUM
356.96349100	4.10312457	0.49807693	SADDLE
359.06340823	189.88470929	1.61844173	SADDLE
179.34029792	192.58195594	3.29021706	SADDLE
180.50355831	13.08813047	5.07523487	MAXIMUM

Download:

MOID Plots

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