SpaceAtlas Space Object Data
NASA JPL SBDB · 213P-B

Van Ness

Van Ness follows a distinctly cometary orbit: an eccentricity of 0.38 carries it from 2.123 AU at perihelion out to 4.721 AU at aphelion.

comet Observations: 115
Orbital Period · P
6.33 yr
v(q)
24 km/s
v(Q)
10.8 km/s
TJ
3
Eccentricity · e
0.3797

Orbit and dynamics

Between its closest point (2.123 AU) and its farthest (4.721 AU), the heliocentric distance changes by 2.598 AU over every revolution.

One full revolution takes 6.33 yr (2,312 days), computed from the semi-major axis of 3.422 AU.

An eccentricity of 0.38 makes the orbit moderately elongated.

The orbital plane is tilted 10.24° relative to the ecliptic.

By the vis-viva equation its orbital speed rises to 24 km/s at perihelion and falls to 10.8 km/s at aphelion.

Its Tisserand parameter with respect to Jupiter is T_J = 3, a standard discriminator between asteroidal and cometary dynamics.

Size and surface

Neither a measured diameter nor a reliable absolute magnitude is available for Van Ness, so its physical size remains unconstrained.

Observation record and orbit quality

Astrometry from 115 individual observations underpins this orbit; the fit leaves an RMS residual of 0.9222 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
3.422 AU
Eccentricity
0.3797
Perihelion
2.123 AU
Aphelion
4.721333 AU
Inclination
10.24°
Orbital Period
— yr
Epoch
2455791.5
Mean Anomaly
9.74°

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
0.92217
Condition
5
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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