SpaceAtlas Space Object Data
NASA JPL SBDB · 2025 DW

2025 DW

2025 DW belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 1.669 AU it takes 2.16 yr to circle the Sun.

Apollo Observations: 19
Orbital Period · P
2.16 yr
v(q)
36.8 km/s
v(Q)
14.4 km/s
TJ
4.14
Eccentricity · e
0.4361

Orbit and dynamics

Between its closest point (0.941 AU) and its farthest (2.397 AU), the heliocentric distance changes by 1.456 AU over every revolution.

One full revolution takes 2.16 yr (788 days), computed from the semi-major axis of 1.669 AU.

The high eccentricity (0.436) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

Its inclination of 0.72° keeps it close to the plane of the ecliptic.

By the vis-viva equation its orbital speed rises to 36.8 km/s at perihelion and falls to 14.4 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 2025 DW, so its physical size remains unconstrained.

Observation record and orbit quality

Astrometry from 19 individual observations underpins this orbit; the fit leaves an RMS residual of 0.5288 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
1.669 AU
Eccentricity
0.4361
Perihelion
0.941 AU
Aphelion
2.396851 AU
Inclination
0.72°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
229.15°

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
2037-Nov-26 18:44 0.116542 AU
17434475 km
13.04 km/s
2053-Mar-08 03:54 0.028226 AU
4222537 km
11.32 km/s
2065-Dec-08 12:48 0.012982 AU
1942036 km
9.21 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
30.9

Orbit Quality

RMS
0.52884
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.

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