SpaceAtlas Space Object Data
NASA JPL SBDB · 2023 MB3

2023 MB3

2023 MB3 is an Aten-type near-Earth asteroid whose orbit lies mostly inside that of Earth, with a semi-major axis of 0.879 AU and a period of 0.82 yr.

Aten Observations: 13
Orbital Period · P
0.82 yr
v(q)
44.1 km/s
v(Q)
22.8 km/s
TJ
6.69
Eccentricity · e
0.3181

Orbit and dynamics

Between its closest point (0.6 AU) and its farthest (1.159 AU), the heliocentric distance changes by 0.559 AU over every revolution.

One full revolution takes 0.82 yr (301 days), computed from the semi-major axis of 0.879 AU.

An eccentricity of 0.318 makes the orbit moderately elongated.

The orbital plane is tilted 5.92° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 44.1 km/s at perihelion and falls to 22.8 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

Neither a measured diameter nor a reliable absolute magnitude is available for 2023 MB3, so its physical size remains unconstrained.

Observation record and orbit quality

Astrometry from 13 individual observations underpins this orbit; the fit leaves an RMS residual of 0.5423 arcseconds.

Condition code U = 5 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
0.8794 AU
Eccentricity
0.3181
Perihelion
0.6 AU
Aphelion
1.159137 AU
Inclination
5.92°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
320.01°

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
30.0

Orbit Quality

RMS
0.54234
Condition
5
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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