SpaceAtlas Space Object Data
NASA JPL SBDB · 2017 GO7

2017 GO7

2017 GO7 is an Amor-type near-Earth asteroid that approaches Earth from beyond our orbit without crossing it, orbiting the Sun at 2.642 AU once every 4.29 yr.

Amor Observations: 56
Orbital Period · P
4.29 yr
v(q)
33.6 km/s
v(Q)
10 km/s
Diameter · ≈
0.4 km
TJ
3.12
Eccentricity · e
0.5416

Orbit and dynamics

Between its closest point (1.211 AU) and its farthest (4.073 AU), the heliocentric distance changes by 2.862 AU over every revolution.

One full revolution takes 4.29 yr (1,569 days), computed from the semi-major axis of 2.642 AU.

The high eccentricity (0.542) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

The orbital plane is tilted 15.96° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 33.6 km/s at perihelion and falls to 10 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 = 19.74 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.4 km.

Observation record and orbit quality

Astrometry from 56 individual observations underpins this orbit; the fit leaves an RMS residual of 0.3956 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
2.642 AU
Eccentricity
0.5416
Perihelion
1.211 AU
Aphelion
4.072907 AU
Inclination
15.96°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
35.15°

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-May-15 23:25 0.453023 AU
67771273 km
12.08 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
19.74

Orbit Quality

RMS
0.39555
Condition
1
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

Explore asteroids, comets and near-Earth objects with JPL orbital data.