One record per aspect. The origin says what kind of thing each value is; the source says where it came from; the limit says what it cannot tell you.
Orbit from osculating elements
Sedna is placed by solving a Keplerian orbit at the simulation time (a = 550 AU, e = 0.861, i = 11.9°, period 12,895 yr).
SourceBundled orbital elements
Epoch2000-01-01T12:00:00Z
MethodTwo-body propagation of the stored elements by the shared orbit service; no perturbations.
LimitA two-body orbit ignores perturbations, and the object catalog does not record which element table these values were copied from.
Physical data
Undocumented
Bulk properties
Sedna: mean radius 498 km. These values are bundled with the object record and drive the rendered size.
SourceBundled object record
LimitThe object catalog does not record where these values came from; treat them as unverified until the record is completed.
Unresolved surface · color approximation
The smooth globe represents approximate color and simulated lighting. No resolved global map is available; geological detail is not invented.
MethodThis describes the displayed appearance only; it does not certify catalog dimensions, orbital elements or unobserved geology.
Description and facts
The short description and the fact list are written by the Space Time authors for orientation. They are not quoted from a catalog field and carry no citation of their own.
SourceSpace Time editorial text
LimitBackground reading is linked under Further reading; it is not the source of the displayed numbers.
Space Time