SpaceAtlas Space Object Data
NASA JPL SBDB · 2020 KK5

2020 KK5

2020 KK5 is an Aten-type near-Earth asteroid whose orbit lies mostly inside that of Earth, with a semi-major axis of 0.932 AU and a period of 0.90 yr.

Aten Observations: 50
Orbital Period · P
0.90 yr
v(q)
65.2 km/s
v(Q)
14.6 km/s
Diameter · ≈
0.15 km
TJ
6.22
Eccentricity · e
0.6337

Orbit and dynamics

Between its closest point (0.341 AU) and its farthest (1.523 AU), the heliocentric distance changes by 1.182 AU over every revolution.

One full revolution takes 0.90 yr (329 days), computed from the semi-major axis of 0.932 AU.

The high eccentricity (0.634) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

The orbital plane is tilted 15.15° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 65.2 km/s at perihelion and falls to 14.6 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

No direct size measurement is available; from an absolute magnitude of H = 21.84 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.15 km.

Observation record and orbit quality

Astrometry from 50 individual observations underpins this orbit; the fit leaves an RMS residual of 0.4965 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
0.9321 AU
Eccentricity
0.6337
Perihelion
0.341 AU
Aphelion
1.522772 AU
Inclination
15.15°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
131.07°

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-Jun-18 21:00 0.157083 AU
23499340 km
24.69 km/s
2039-Jun-18 21:05 0.165078 AU
24695323 km
24.94 km/s
2048-Jun-17 14:14 0.180326 AU
26976330 km
25.40 km/s
2057-Jun-17 04:54 0.197690 AU
29573937 km
25.95 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
21.84

Orbit Quality

RMS
0.49652
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

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