SpaceAtlas Space Object Data
NASA JPL SBDB · 2025 AX

2025 AX

2025 AX is an Aten-type near-Earth asteroid whose orbit lies mostly inside that of Earth, with a semi-major axis of 0.683 AU and a period of 0.56 yr.

Aten Observations: 44
Orbital Period · P
0.56 yr
v(q)
78.1 km/s
v(Q)
16.6 km/s
Diameter · ≈
0.18 km
TJ
8.13
Eccentricity · e
0.6484

Orbit and dynamics

Between its closest point (0.24 AU) and its farthest (1.126 AU), the heliocentric distance changes by 0.886 AU over every revolution.

One full revolution takes 0.56 yr (206 days), computed from the semi-major axis of 0.683 AU.

The high eccentricity (0.648) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

A steep inclination of 21.52° carries it well above and below the ecliptic plane.

By the vis-viva equation its orbital speed rises to 78.1 km/s at perihelion and falls to 16.6 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 = 21.49 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.18 km.

Observation record and orbit quality

Astrometry from 44 individual observations underpins this orbit; the fit leaves an RMS residual of 0.4321 arcseconds.

Condition code U = 6 indicates a moderately constrained orbit; predictions decades ahead still carry noticeable uncertainty.

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
0.6832 AU
Eccentricity
0.6484
Perihelion
0.24 AU
Aphelion
1.126187 AU
Inclination
21.52°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
306.84°

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
— km
Albedo
—
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
21.49

Orbit Quality

RMS
0.43206
Condition
6
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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