SpaceAtlas Space Object Data
NASA JPL SBDB · 2016 RX17

2016 RX17

2016 RX17 is an Amor-type near-Earth asteroid that approaches Earth from beyond our orbit without crossing it, orbiting the Sun at 1.573 AU once every 1.97 yr.

Amor Observations: 44
Orbital Period · P
1.97 yr
v(q)
31.4 km/s
v(Q)
18 km/s
Diameter · ≈
0.08 km
TJ
4.31
Eccentricity · e
0.2716

Orbit and dynamics

Between its closest point (1.146 AU) and its farthest (2 AU), the heliocentric distance changes by 0.854 AU over every revolution.

One full revolution takes 1.97 yr (721 days), computed from the semi-major axis of 1.573 AU.

An eccentricity of 0.272 makes the orbit moderately elongated.

The orbital plane is tilted 18.53° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 31.4 km/s at perihelion and falls to 18 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 = 23.2 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.08 km.

Observation record and orbit quality

Astrometry from 44 individual observations underpins this orbit; the fit leaves an RMS residual of 0.514 arcseconds.

Condition code U = 1 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
1.573 AU
Eccentricity
0.2716
Perihelion
1.146 AU
Aphelion
2.000227 AU
Inclination
18.53°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
321.99°

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
23.2

Orbit Quality

RMS
0.51398
Condition
1
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.

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