SpaceAtlas Space Object Data
NASA JPL SBDB · 2019 AS7

2019 AS7

2019 AS7 belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 1.334 AU it takes 1.54 yr to circle the Sun.

Apollo Observations: 19
Orbital Period · P
1.54 yr
v(q)
33.4 km/s
v(Q)
19.9 km/s
Diameter · ≈
0.02 km
TJ
4.88
Eccentricity · e
0.253

Orbit and dynamics

Between its closest point (0.997 AU) and its farthest (1.672 AU), the heliocentric distance changes by 0.675 AU over every revolution.

One full revolution takes 1.54 yr (563 days), computed from the semi-major axis of 1.334 AU.

An eccentricity of 0.253 makes the orbit moderately elongated.

The orbital plane is tilted 5.68° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 33.4 km/s at perihelion and falls to 19.9 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 = 25.9 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.02 km.

Observation record and orbit quality

Astrometry from 19 individual observations underpins this orbit; the fit leaves an RMS residual of 0.2457 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
1.334 AU
Eccentricity
0.253
Perihelion
0.997 AU
Aphelion
1.671502 AU
Inclination
5.68°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
307.66°

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
2072-Oct-19 00:33 0.411973 AU
61630217 km
16.79 km/s
2073-Mar-29 08:41 0.409168 AU
61210664 km
5.69 km/s
2076-Jan-03 06:18 0.030656 AU
4586113 km
4.53 km/s
2078-Aug-27 03:11 0.399844 AU
59815792 km
6.32 km/s
2079-Feb-10 04:22 0.398977 AU
59686108 km
18.06 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
25.9

Orbit Quality

RMS
0.24567
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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