SpaceAtlas Space Object Data
NASA JPL SBDB · 612050

612050

612050 belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 2.271 AU it takes 3.42 yr to circle the Sun.

Apollo Observations: 748
Orbital Period · P
3.42 yr
v(q)
56.8 km/s
v(Q)
6.9 km/s
Diameter · ≈
0.53 km
TJ
3.11
Eccentricity · e
0.7843

Orbit and dynamics

Between its closest point (0.49 AU) and its farthest (4.052 AU), the heliocentric distance changes by 3.562 AU over every revolution.

One full revolution takes 3.42 yr (1,250 days), computed from the semi-major axis of 2.271 AU.

The high eccentricity (0.784) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

The orbital plane is tilted 6.68° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 56.8 km/s at perihelion and falls to 6.9 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 = 19.14 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.53 km.

Observation record and orbit quality

Astrometry from 748 individual observations underpins this orbit; the fit leaves an RMS residual of 0.3227 arcseconds.

Condition code U = 0 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
2.271 AU
Eccentricity
0.7843
Perihelion
0.49 AU
Aphelion
4.052145 AU
Inclination
6.68°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
196.38°

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
2027-Dec-29 02:37 0.499790 AU
74767542 km
26.54 km/s
2034-Sep-18 05:12 0.072093 AU
10785023 km
26.24 km/s
2045-Mar-29 16:14 0.141686 AU
21195980 km
20.45 km/s
2051-Nov-24 19:55 0.457612 AU
68457786 km
22.54 km/s
2062-Apr-16 05:55 0.178721 AU
26736227 km
29.87 km/s
2075-Sep-11 04:38 0.188079 AU
28136196 km
30.25 km/s
2079-Apr-29 08:16 0.417357 AU
62435735 km
37.25 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
19.14

Orbit Quality

RMS
0.32271
Condition
0
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.