SpaceAtlas Space Object Data
NASA JPL SBDB · 471P

LINEAR-Lemmon

LINEAR-Lemmon follows a distinctly cometary orbit: an eccentricity of 0.628 carries it from 2.123 AU at perihelion out to 9.285 AU at aphelion.

comet Observations: 911
Orbital Period · P
13.6 yr
v(q)
26.1 km/s
v(Q)
6 km/s
TJ
2.54
Eccentricity · e
0.6278

Orbit and dynamics

Between its closest point (2.123 AU) and its farthest (9.285 AU), the heliocentric distance changes by 7.162 AU over every revolution.

One full revolution takes 13.6 yr (4,976 days), computed from the semi-major axis of 5.704 AU.

The high eccentricity (0.628) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

Its inclination of 4.79° keeps it close to the plane of the ecliptic.

By the vis-viva equation its orbital speed rises to 26.1 km/s at perihelion and falls to 6 km/s at aphelion.

Its Tisserand parameter with respect to Jupiter is T_J = 2.54, a standard discriminator between asteroidal and cometary dynamics.

Size and surface

Neither a measured diameter nor a reliable absolute magnitude is available for LINEAR-Lemmon, so its physical size remains unconstrained.

Observation record and orbit quality

Astrometry from 911 individual observations underpins this orbit; the fit leaves an RMS residual of 0.473 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
5.704 AU
Eccentricity
0.6278
Perihelion
2.123 AU
Aphelion
9.284971 AU
Inclination
4.79°
Orbital Period
— yr
Epoch
2460149.5
Mean Anomaly
349.2°

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

No close approaches to Earth are currently on record for this object.

Physical Parameters

Diameter
— km
Albedo
—
Density
— g/cm³
Rotation Period
— h
Absolute Magnitude
—

Orbit Quality

RMS
0.47301
Condition
0
Orbit ID
—
Data source: NASA JPL Small-Body Database . 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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