SpaceAtlas Space Object Data
NASA JPL SBDB · 2020 TX2

2020 TX2

2020 TX2 belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 2.408 AU it takes 3.74 yr to circle the Sun.

Apollo Observations: 57
Orbital Period · P
3.74 yr
v(q)
48.9 km/s
v(Q)
7.5 km/s
Diameter · ≈
0.25 km
TJ
2.99
Eccentricity · e
0.7328

Orbit and dynamics

Between its closest point (0.643 AU) and its farthest (4.173 AU), the heliocentric distance changes by 3.53 AU over every revolution.

One full revolution takes 3.74 yr (1,365 days), computed from the semi-major axis of 2.408 AU.

The high eccentricity (0.733) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

A steep inclination of 26.59° carries it well above and below the ecliptic plane.

By the vis-viva equation its orbital speed rises to 48.9 km/s at perihelion and falls to 7.5 km/s at aphelion.

Because q < 1 AU and Q > 1 AU, this orbit geometrically intersects the region of Earth's orbit.

Size and surface

No direct size measurement is available; from an absolute magnitude of H = 20.8 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.25 km.

Observation record and orbit quality

Astrometry from 57 individual observations underpins this orbit; the fit leaves an RMS residual of 0.4626 arcseconds.

Condition code U = 5 indicates a moderately constrained orbit; predictions decades ahead still carry noticeable uncertainty.

About these computed values

Orbital periods, perihelion and aphelion speeds, and diameter estimates on this page are computed by SpaceAtlas from the JPL SBDB orbital elements. They are derived quantities, not values copied from the source catalogue.

Orbital Parameters

Semi-Major Axis
2.408 AU
Eccentricity
0.7328
Perihelion
0.643 AU
Aphelion
4.172582 AU
Inclination
26.59°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
163.41°

Orbit diagram

The Sun sits at the focus (orange). Earth's orbit is the grey circle at 1 AU. The red dot marks the object's position at the catalog epoch.

3D orbit (interactive)

Drag to rotate; scroll or pinch to zoom. The Sun is at the focus (orange), Earth's orbit is the grey ring at 1 AU, and the red dot marks the object's current position.

Close approaches

Predicted close approaches to Earth, from NASA's Center for Near-Earth Object Studies (CNEOS).

Date (UTC)Miss distanceVelocity
2032-Apr-27 12:43 0.454843 AU
68043608 km
36.68 km/s
2035-Oct-22 20:42 0.148540 AU
22221225 km
22.46 km/s
2047-Apr-15 18:52 0.207896 AU
31100821 km
30.24 km/s
2050-Oct-15 15:55 0.162485 AU
24307477 km
26.59 km/s
2062-Apr-18 16:01 0.265990 AU
39791524 km
32.14 km/s
2065-Oct-19 13:11 0.157980 AU
23633531 km
24.14 km/s
2077-Apr-21 22:38 0.312650 AU
46771788 km
34.15 km/s

Distances in astronomical units (AU) and kilometres. Source: NASA/JPL CNEOS Close Approach Data API.

Physical Parameters

Diameter
— km
Albedo
—
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
20.8

Orbit Quality

RMS
0.46259
Condition
5
Orbit ID
—
Data source: NASA JPL Small-Body Database · NASA CNEOS. Orbital periods, perihelion and aphelion speeds, and diameter estimates on this page are computed by SpaceAtlas from the JPL SBDB orbital elements. They are derived quantities, not values copied from the source catalogue.

Keep exploring

Explore asteroids, comets and near-Earth objects with JPL orbital data.