SpaceAtlas Space Object Data
NASA JPL SBDB · 2020 LE1

2020 LE1

2020 LE1 belongs to the Apollo group of near-Earth asteroids, whose orbits cross the path of Earth; with a semi-major axis of 1.524 AU it takes 1.88 yr to circle the Sun.

Apollo Observations: 38
Orbital Period · P
1.88 yr
v(q)
50.7 km/s
v(Q)
11.5 km/s
Diameter · ≈
0.17 km
TJ
4.24
Eccentricity · e
0.6314

Orbit and dynamics

Between its closest point (0.562 AU) and its farthest (2.486 AU), the heliocentric distance changes by 1.924 AU over every revolution.

One full revolution takes 1.88 yr (687 days), computed from the semi-major axis of 1.524 AU.

The high eccentricity (0.631) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

The orbital plane is tilted 11.35° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 50.7 km/s at perihelion and falls to 11.5 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 = 21.59 and an assumed geometric albedo of 0.14, the diameter works out to roughly 0.17 km.

Observation record and orbit quality

Astrometry from 38 individual observations underpins this orbit; the fit leaves an RMS residual of 0.671 arcseconds.

Condition code U = 0 means the orbit is very well determined, leaving only a small uncertainty in the future ephemeris.

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
1.524 AU
Eccentricity
0.6314
Perihelion
0.562 AU
Aphelion
2.486254 AU
Inclination
11.35°
Orbital Period
— yr
Epoch
2461200.5
Mean Anomaly
17.96°

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
2033-Dec-25 18:17 0.276464 AU
41358425 km
13.88 km/s
2035-Sep-24 08:04 0.434052 AU
64933194 km
21.81 km/s
2037-Jun-27 23:11 0.203426 AU
30432064 km
20.68 km/s
2049-Jan-17 05:02 0.212577 AU
31801031 km
22.36 km/s
2050-Oct-23 22:41 0.428908 AU
64163691 km
21.67 km/s
2052-Jul-26 00:01 0.308795 AU
46195008 km
13.99 km/s
2064-Feb-01 16:09 0.432966 AU
64770814 km
31.48 km/s
2065-Nov-29 14:59 0.357221 AU
53439552 km
16.18 km/s
2067-Sep-08 20:35 0.415894 AU
62216883 km
20.09 km/s
2069-Jun-20 14:34 0.268480 AU
40164025 km
24.83 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
21.59

Orbit Quality

RMS
0.67101
Condition
0
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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