SpaceAtlas Space Object Data
NASA JPL SBDB · 2015 VB65

2015 VB65

2015 VB65 belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 2.187 AU it takes 3.23 yr to circle the Sun.

Apollo Observations: 217
Orbital Period · P
3.23 yr
v(q)
38.1 km/s
v(Q)
10.6 km/s
Diameter · ≈
0.09 km
TJ
3.44
Eccentricity · e
0.5638

Orbit and dynamics

Between its closest point (0.954 AU) and its farthest (3.42 AU), the heliocentric distance changes by 2.466 AU over every revolution.

One full revolution takes 3.23 yr (1,181 days), computed from the semi-major axis of 2.187 AU.

The high eccentricity (0.564) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

The orbital plane is tilted 8.61° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 38.1 km/s at perihelion and falls to 10.6 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

The measured diameter is 0.05 km, a value from direct size determination rather than from brightness alone.

A geometric albedo of 0.519 points to a comparatively bright, reflective surface.

Observation record and orbit quality

Astrometry from 217 individual observations underpins this orbit; the fit leaves an RMS residual of 0.3893 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
2.187 AU
Eccentricity
0.5638
Perihelion
0.954 AU
Aphelion
3.420031 AU
Inclination
8.61°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
84.27°

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
2028-Oct-28 14:15 0.336336 AU
50315192 km
20.32 km/s
2070-Nov-14 10:08 0.039904 AU
5969589 km
13.27 km/s

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

Physical Parameters

Diameter
0.049 km
Albedo
0.519
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
22.93

Orbit Quality

RMS
0.3893
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

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