SpaceAtlas Space Object Data
NASA JPL SBDB · 2026 TO

2026 TO

2026 TO belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 1.304 AU it takes 1.49 yr to circle the Sun.

Apollo Observations: 36
Orbital Period · P
1.49 yr
v(q)
34.9 km/s
v(Q)
19.5 km/s
Diameter · ≈
0.02 km
TJ
4.95
Eccentricity · e
0.2817

Orbit and dynamics

The path is an ellipse reaching 0.936 AU from the Sun at perihelion and 1.671 AU at aphelion, a radial span of 0.735 AU.

Applying Kepler's third law to a = 1.304 AU gives an orbital period of 1.49 yr, or about 544 days.

An eccentricity of 0.282 makes the orbit moderately elongated.

The orbital plane is tilted 6.37° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 34.9 km/s at perihelion and falls to 19.5 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 = 26.57 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.02 km.

Observation record and orbit quality

The current orbit solution is based on 36 observations and has a weighted RMS residual of 0.398 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
1.304 AU
Eccentricity
0.2817
Perihelion
0.936 AU
Aphelion
1.671337 AU
Inclination
6.37°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
251.27°

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
2029-Sep-24 00:44 0.150035 AU
22444940 km
11.95 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
26.57

Orbit Quality

RMS
0.39798
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.

Keep exploring

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