SpaceAtlas Space Object Data
NASA JPL SBDB · 2015 XC130

2015 XC130

2015 XC130 is an Amor-type near-Earth asteroid that approaches Earth from beyond our orbit without crossing it, orbiting the Sun at 2.161 AU once every 3.18 yr.

Amor Observations: 64
Orbital Period · P
3.18 yr
v(q)
31.3 km/s
v(Q)
13.1 km/s
Diameter · ≈
0.26 km
TJ
3.53
Eccentricity · e
0.4097

Orbit and dynamics

Between its closest point (1.276 AU) and its farthest (3.046 AU), the heliocentric distance changes by 1.77 AU over every revolution.

One full revolution takes 3.18 yr (1,160 days), computed from the semi-major axis of 2.161 AU.

The high eccentricity (0.41) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

The orbital plane is tilted 16.68° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 31.3 km/s at perihelion and falls to 13.1 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 = 20.7 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.26 km.

Observation record and orbit quality

Astrometry from 64 individual observations underpins this orbit; the fit leaves an RMS residual of 0.2723 arcseconds.

Condition code U = 2 means the orbit is very well determined, leaving only a small uncertainty in the future ephemeris.

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
2.161 AU
Eccentricity
0.4097
Perihelion
1.276 AU
Aphelion
3.046362 AU
Inclination
16.68°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
94.05°

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
2050-Dec-23 01:49 0.417755 AU
62495186 km
6.15 km/s
2069-Nov-29 12:19 0.490053 AU
73310908 km
7.76 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
20.7

Orbit Quality

RMS
0.27228
Condition
2
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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