SpaceAtlas Space Object Data
NASA JPL SBDB · 2024 MD

2024 MD

2024 MD is an Aten-type near-Earth asteroid whose orbit lies mostly inside that of Earth, with a semi-major axis of 0.897 AU and a period of 0.85 yr.

Aten Observations: 15
Orbital Period · P
0.85 yr
v(q)
38.5 km/s
v(Q)
25.7 km/s
Diameter · ≈
0.01 km
TJ
6.61
Eccentricity · e
0.2008

Orbit and dynamics

Between its closest point (0.717 AU) and its farthest (1.077 AU), the heliocentric distance changes by 0.36 AU over every revolution.

One full revolution takes 0.85 yr (310 days), computed from the semi-major axis of 0.897 AU.

An eccentricity of 0.201 makes the orbit moderately elongated.

The orbital plane is tilted 5.65° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 38.5 km/s at perihelion and falls to 25.7 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

No direct size measurement is available; from an absolute magnitude of H = 28 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.01 km.

Observation record and orbit quality

Astrometry from 15 individual observations underpins this orbit; the fit leaves an RMS residual of 0.6607 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
0.8968 AU
Eccentricity
0.2008
Perihelion
0.717 AU
Aphelion
1.076877 AU
Inclination
5.65°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
355.41°

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
2035-Mar-14 09:57 0.097677 AU
14612200 km
4.99 km/s
2041-Jun-18 03:11 0.005101 AU
763062 km
6.27 km/s
2052-Jun-17 18:34 0.001420 AU
212375 km
7.17 km/s
2057-Mar-16 02:32 0.106546 AU
15939030 km
6.34 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
28.0

Orbit Quality

RMS
0.66068
Condition
6
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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