SpaceAtlas Space Object Data
NASA JPL SBDB · 2015 VA3

2015 VA3

2015 VA3 is an Amor-type near-Earth asteroid that approaches Earth from beyond our orbit without crossing it, orbiting the Sun at 1.333 AU once every 1.54 yr.

Amor Observations: 70
Orbital Period · P
1.54 yr
v(q)
32.6 km/s
v(Q)
20.4 km/s
Diameter · ≈
0.05 km
TJ
4.88
Eccentricity · e
0.2313

Orbit and dynamics

Between its closest point (1.025 AU) and its farthest (1.641 AU), the heliocentric distance changes by 0.616 AU over every revolution.

One full revolution takes 1.54 yr (562 days), computed from the semi-major axis of 1.333 AU.

An eccentricity of 0.231 makes the orbit moderately elongated.

The orbital plane is tilted 6.69° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 32.6 km/s at perihelion and falls to 20.4 km/s at aphelion.

Its perihelion lies just outside Earth's orbit, which is why it is classed as Earth-approaching rather than Earth-crossing.

Size and surface

No direct size measurement is available; from an absolute magnitude of H = 24.4 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.05 km.

Observation record and orbit quality

Astrometry from 70 individual observations underpins this orbit; the fit leaves an RMS residual of 0.5203 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
1.333 AU
Eccentricity
0.2313
Perihelion
1.025 AU
Aphelion
1.641323 AU
Inclination
6.69°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
291.89°

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
2032-Oct-30 21:11 0.345792 AU
51729806 km
13.29 km/s
2033-Mar-08 08:50 0.347078 AU
51922102 km
4.42 km/s
2035-Dec-17 08:15 0.131355 AU
19650383 km
5.91 km/s
2038-Aug-13 19:34 0.471645 AU
70557076 km
6.32 km/s
2050-Apr-12 03:19 0.484485 AU
72477867 km
7.42 km/s
2052-Nov-08 23:38 0.197879 AU
29602338 km
9.15 km/s
2055-Oct-01 13:45 0.310058 AU
46383949 km
2.84 km/s
2056-Jan-04 03:47 0.282418 AU
42249066 km
10.47 km/s
2070-Apr-01 14:55 0.443413 AU
66333608 km
6.61 km/s
2072-Nov-19 02:27 0.083819 AU
12539190 km
5.73 km/s
2075-Sep-10 12:33 0.372805 AU
55770887 km
4.15 km/s
2076-Jan-12 14:50 0.403560 AU
60371740 km
13.77 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
24.4

Orbit Quality

RMS
0.52027
Condition
5
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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