SpaceAtlas Space Object Data
NASA JPL SBDB · 833009

833009

833009 belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 1.726 AU it takes 2.27 yr to circle the Sun.

Apollo Observations: 139
Orbital Period · P
2.27 yr
v(q)
48.1 km/s
v(Q)
10.7 km/s
Diameter · ≈
0.42 km
TJ
3.86
Eccentricity · e
0.6363

Orbit and dynamics

Between its closest point (0.628 AU) and its farthest (2.824 AU), the heliocentric distance changes by 2.196 AU over every revolution.

One full revolution takes 2.27 yr (828 days), computed from the semi-major axis of 1.726 AU.

The high eccentricity (0.636) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

The orbital plane is tilted 17.8° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 48.1 km/s at perihelion and falls to 10.7 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

The measured diameter is 0.28 km, a value from direct size determination rather than from brightness alone.

A geometric albedo of 0.334 points to a comparatively bright, reflective surface.

Observation record and orbit quality

Astrometry from 139 individual observations underpins this orbit; the fit leaves an RMS residual of 0.5922 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
1.726 AU
Eccentricity
0.6363
Perihelion
0.628 AU
Aphelion
2.824254 AU
Inclination
17.8°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
67.25°

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
0.277 km
Albedo
0.334
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
19.64

Orbit Quality

RMS
0.59218
Condition
0
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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