SpaceAtlas Space Object Data
NASA JPL SBDB · 1983 J1

Sugano-Saigusa-Fujikawa

Sugano-Saigusa-Fujikawa follows a distinctly cometary orbit: an eccentricity of 1 carries it from 0.471 AU at perihelion out to 9,569.5 AU at aphelion.

comet Observations: 55
Orbital Period · P
330,996 yr
v(q)
61.4 km/s
v(Q)
0 km/s
TJ
-0.1
Eccentricity · e
0.9999

Orbit and dynamics

The path is an ellipse reaching 0.471 AU from the Sun at perihelion and 9,569.5 AU at aphelion, a radial span of 9,569.1 AU.

Applying Kepler's third law to a = 4,785.0 AU gives an orbital period of 330,996 yr, or about 120,896,336 days.

The high eccentricity (1) produces a strongly elongated orbit, so the object spends most of its time far from the Sun.

A steep inclination of 96.62° carries it well above and below the ecliptic plane.

By the vis-viva equation its orbital speed rises to 61.4 km/s at perihelion and falls to 0 km/s at aphelion.

Because q < 1 AU and Q > 1 AU, this orbit geometrically intersects the region of Earth's orbit.

Its Tisserand parameter with respect to Jupiter is T_J = -0.1, a standard discriminator between asteroidal and cometary dynamics.

Size and surface

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

Observation record and orbit quality

The current orbit solution is based on 55 observations and has a weighted RMS residual of 0.8186 arcseconds.

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
4785.0 AU
Eccentricity
0.9999
Perihelion
0.471 AU
Aphelion
9569.5215 AU
Inclination
96.62°
Orbital Period
— yr
Epoch
2445469.5
Mean Anomaly
0.0°

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
0.81865
Condition
—
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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