Asteroids

2020XT2 help

Last update: 2026-03-17 23:26 UTC

Orbital Properties

Epoch

61200.0

MJD

Orbit type

Apollo

Perihelion (q)

0.929

Aphelion (Q)

1.517

Eccentricity (e)

0.240

Inclination (i)

2.0

deg

Orbit period (P)

493.8

Earth MOID

0.01367

U parameter

0.0

Next Earth close approach

Date

2048-02-17

Nominal distance (from Earth center)

0.05875

8789349

Maximum Brightness

32.3

mag

Risk

Object is not in risk list

Physical Properties

Absolute Magnitude (H)

24.7

mag

Diameter

30 - 70*

Taxonomic type

Rotation period (T)

Discovery Information

Discovery Date

2020-12-08

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

61200.0000

1-sigma variation

Unit

MJD

Semimajor Axis

Value

1.222626

1-sigma variation

3.907E-9

Unit

Eccentricity (e)

Value

0.240372

1-sigma variation

3.288E-8

Unit

Inclination (i)

Value

2.0409

1-sigma variation

2.462E-6

Unit

Long. of Ascending Node (Ω)

Value

166.4549

1-sigma variation

0.0001

Unit

Arg. of Perihelion (ω)

Value

333.0951

1-sigma variation

0.0001

Unit

Mean Anomaly (M)

Value

347.40654

1-sigma variation

0.00001

Unit

Perihelion distance

Value

0.928741

1-sigma variation

Unit

Aphelion distance

Value

1.516510

1-sigma variation

Unit

Asc. Node-Earth Sep.

Value

-0.043456

1-sigma variation

Unit

Desc. Node-Earth Sep.

Value

0.458387

1-sigma variation

Unit

MOID

Value

0.013669

1-sigma variation

Unit

Orbit Period

Value

493.7860

1-sigma variation

Unit

U parameter

Value

0.0

1-sigma variation

Unit

Covariance Matrix

	a	e	i	Ω	ω	M
a	1.52619E-17	1.03745E-16	-4.05554E-15	4.37094E-14	-4.37696E-14	-1.18114E-14
e	1.03745E-16	1.08084E-15	-5.72100E-14	-1.09278E-12	9.86865E-13	-4.60164E-14
i	-4.05554E-15	-5.72100E-14	6.06110E-12	1.50825E-10	-1.32858E-10	-6.56523E-12
Ω	4.37094E-14	-1.09278E-12	1.50825E-10	6.93703E-9	-6.33934E-9	-3.29204E-10
ω	-4.37696E-14	9.86865E-13	-1.32858E-10	-6.33934E-9	5.84505E-9	2.66364E-10
M	-1.18114E-14	-4.60164E-14	-6.56523E-12	-3.29204E-10	2.66364E-10	5.15872E-11

Date of computation: 2026-03-17 23:26 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

24.734

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

30 - 70*

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

1618

Unit

Source

[1]

Unobserved

Value

382

Unit

Source

[1]

Normalized RMS of residuals

Value

0.573603

Unit

Source

[1]

Astrometry Summary

First Observation
Last Observation
Total Optical Observations (Discarded)

Optical

Value

Unit

Source

First Observation

Value

2020-11-25.20932

Unit

Source

[2]

Last Observation

Value

2025-05-01.327288

Unit

Source

[2]

Total Optical Observations (Discarded)

Value

84 (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

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 2020XT2 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	1962-12-27 09:29	6.3	0.0356878	0.0356868	0.0000004
EARTH	1967-03-30 02:35	< 1 min	0.0125005	0.0125002	0.0000001
MARS	1968-01-16 06:17	< 1 min	0.0229913	0.0229900	0.0000004
EARTH	1989-12-09 05:05	< 1 min	0.1771891	0.1771875	0.0000005
EARTH	1994-02-10 00:55	< 1 min	0.0605316	0.0605314	0.0000000
EARTH	1998-04-16 01:02	< 1 min	0.1593873	0.1593845	0.0000009
EARTH	2020-12-26 21:37	< 1 min	0.0334432	0.0334431	0.0000000
EARTH	2025-04-04 09:50	< 1 s	0.0352211	0.0352210	0.0000000
MARS	2030-02-12 01:00	< 1 min	0.0194846	0.0194842	0.0000001
EARTH	2048-02-17 15:12	< 1 min	0.0587532	0.0587529	0.0000001
EARTH	2070-12-19 13:04	< 1 min	0.0648084	0.0648076	0.0000003
EARTH	2075-04-01 00:41	< 1 min	0.0160335	0.0160328	0.0000002
EARTH	2094-01-11 20:33	7.3	0.0442542	0.0442395	0.0000049
MARS	2107-03-26 02:07	1.4	0.0225416	0.0225189	0.0000075
EARTH	2112-12-23 16:06	2.5	0.0458441	0.0458167	0.0000091
EARTH	2117-04-14 05:51	< 1 min	0.1116022	0.1115856	0.0000055

Download as:

Stationary Points

Ecc. an. ast.	Ecc. an. Earth	Distance in au	Classification
39.70740008	86.77515550	0.01405656	MINIMUM
325.60794614	355.19139765	0.03300131	MINIMUM
0.70951314	38.50733768	0.06036310	SADDLE
181.48288297	219.84197339	0.50255305	SADDLE
2.81906239	221.14553958	1.94286331	SADDLE
181.72127814	40.01889984	2.50370877	MAXIMUM

Download:

MOID Plots

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