SpaceAtlas Space Object Data
NASA JPL SBDB · 2019 XU2

2019 XU2

2019 XU2 is an Amor-type near-Earth asteroid that approaches Earth from beyond our orbit without crossing it, orbiting the Sun at 1.353 AU once every 1.57 yr.

Amor Observations: 89
Orbital Period · P
1.57 yr
v(q)
32.7 km/s
v(Q)
20.1 km/s
Diameter · ≈
0.07 km
TJ
4.83
Eccentricity · e
0.2385

Orbit and dynamics

Between its closest point (1.03 AU) and its farthest (1.676 AU), the heliocentric distance changes by 0.646 AU over every revolution.

One full revolution takes 1.57 yr (575 days), computed from the semi-major axis of 1.353 AU.

An eccentricity of 0.238 makes the orbit moderately elongated.

The orbital plane is tilted 8.62° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 32.7 km/s at perihelion and falls to 20.1 km/s at aphelion.

Its perihelion lies just outside Earth's orbit, which is why it is classed as Earth-approaching rather than Earth-crossing.

Size and surface

No direct size measurement is available; from an absolute magnitude of H = 23.56 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.07 km.

Observation record and orbit quality

Astrometry from 89 individual observations underpins this orbit; the fit leaves an RMS residual of 0.4203 arcseconds.

Condition code U = 6 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
1.353 AU
Eccentricity
0.2385
Perihelion
1.03 AU
Aphelion
1.67569 AU
Inclination
8.62°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
61.72°

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
2030-Dec-11 13:03 0.079322 AU
11866449 km
6.79 km/s
2041-Dec-17 09:35 0.176875 AU
26460117 km
10.15 km/s
2050-Feb-24 14:37 0.445323 AU
66619441 km
6.00 km/s
2052-Aug-10 06:38 0.354340 AU
53008532 km
5.40 km/s
2052-Dec-24 09:41 0.329784 AU
49334960 km
14.73 km/s
2060-Oct-07 20:50 0.347645 AU
52006967 km
13.37 km/s
2063-Jul-25 16:55 0.425293 AU
63622891 km
6.89 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
23.56

Orbit Quality

RMS
0.42031
Condition
6
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

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