SpaceAtlas Space Object Data
NASA JPL SBDB · 2024 RK2

2024 RK2

2024 RK2 is an Amor-type near-Earth asteroid that approaches Earth from beyond our orbit without crossing it, orbiting the Sun at 1.261 AU once every 1.42 yr.

Amor Observations: 26
Orbital Period · P
1.42 yr
v(q)
31.9 km/s
v(Q)
22 km/s
Diameter · ≈
0.01 km
TJ
5.09
Eccentricity · e
0.1836

Orbit and dynamics

Between its closest point (1.029 AU) and its farthest (1.493 AU), the heliocentric distance changes by 0.464 AU over every revolution.

One full revolution takes 1.42 yr (517 days), computed from the semi-major axis of 1.261 AU.

An eccentricity of 0.184 makes the orbit moderately elongated.

Its inclination of 2.09° keeps it close to the plane of the ecliptic.

By the vis-viva equation its orbital speed rises to 31.9 km/s at perihelion and falls to 22 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 = 27.81 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.01 km.

Observation record and orbit quality

Astrometry from 26 individual observations underpins this orbit; the fit leaves an RMS residual of 0.5531 arcseconds.

Condition code U = 7 signals a poorly constrained orbit, so its future path should be treated as provisional.

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
1.261 AU
Eccentricity
0.1836
Perihelion
1.029 AU
Aphelion
1.49252 AU
Inclination
2.09°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
99.93°

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-Jan-25 16:28 0.492682 AU
73704120 km
8.02 km/s
2031-Oct-07 02:25 0.373778 AU
55916448 km
16.67 km/s
2045-Feb-04 04:23 0.483086 AU
72268583 km
8.10 km/s
2048-Sep-26 10:45 0.156475 AU
23408344 km
10.62 km/s
2069-Feb-08 13:51 0.435444 AU
65141539 km
8.07 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
27.81

Orbit Quality

RMS
0.55305
Condition
7
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.

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