SpaceAtlas Space Object Data
NASA JPL SBDB · 2019 XT

2019 XT

2019 XT belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 1.436 AU it takes 1.72 yr to circle the Sun.

Apollo Observations: 15
Orbital Period · P
1.72 yr
v(q)
33.6 km/s
v(Q)
18.4 km/s
Diameter · ≈
0.05 km
TJ
4.54
Eccentricity · e
0.2927

Orbit and dynamics

The path is an ellipse reaching 1.016 AU from the Sun at perihelion and 1.856 AU at aphelion, a radial span of 0.84 AU.

Applying Kepler's third law to a = 1.436 AU gives an orbital period of 1.72 yr, or about 629 days.

An eccentricity of 0.293 makes the orbit moderately elongated.

A steep inclination of 24.67° carries it well above and below the ecliptic plane.

By the vis-viva equation its orbital speed rises to 33.6 km/s at perihelion and falls to 18.4 km/s at aphelion.

Size and surface

No direct size measurement is available; from an absolute magnitude of H = 24.4 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.05 km.

Observation record and orbit quality

The current orbit solution is based on 15 observations and has a weighted RMS residual of 0.3075 arcseconds.

Condition code U = 9 signals a poorly constrained orbit, so its future path should be treated as provisional.

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
1.436 AU
Eccentricity
0.2927
Perihelion
1.016 AU
Aphelion
1.856317 AU
Inclination
24.67°
Orbital Period
— yr
Epoch
2458820.5
Mean Anomaly
29.95°

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

No close approaches to Earth are currently on record for this object.

Physical Parameters

Diameter
— km
Albedo
—
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
24.4

Orbit Quality

RMS
0.3075
Condition
9
Orbit ID
—
Data source: NASA JPL Small-Body Database . 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.