SpaceAtlas Space Object Data
NASA JPL SBDB · 2026 BC2

2026 BC2

2026 BC2 belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 1.063 AU it takes 1.10 yr to circle the Sun.

Apollo Observations: 184
Orbital Period · P
1.10 yr
v(q)
31.9 km/s
v(Q)
26.2 km/s
Diameter · ≈
0.11 km
TJ
5.77
Eccentricity · e
0.097

Orbit and dynamics

Between its closest point (0.959 AU) and its farthest (1.166 AU), the heliocentric distance changes by 0.207 AU over every revolution.

One full revolution takes 1.10 yr (400 days), computed from the semi-major axis of 1.063 AU.

With e = 0.097, the orbit is close to circular.

The orbital plane is tilted 14.52° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 31.9 km/s at perihelion and falls to 26.2 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 = 22.61 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.11 km.

Observation record and orbit quality

Astrometry from 184 individual observations underpins this orbit; the fit leaves an RMS residual of 0.4126 arcseconds.

Condition code U = 4 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
1.063 AU
Eccentricity
0.097
Perihelion
0.959 AU
Aphelion
1.166111 AU
Inclination
14.52°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
205.47°

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
2048-Aug-24 05:10 0.063119 AU
9442487 km
7.60 km/s
2049-Feb-08 11:09 0.106124 AU
15875939 km
7.95 km/s
2059-Aug-12 01:05 0.161410 AU
24146606 km
10.30 km/s
2071-Aug-31 22:14 0.174073 AU
26041008 km
8.15 km/s
2072-Feb-02 06:33 0.141460 AU
21162064 km
8.79 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
22.61

Orbit Quality

RMS
0.41264
Condition
4
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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