The results produced by using the close
approach tool, identifying vehicles that pass within a specified
minimum range of the object. The data is sorted according to the
SSC number of the secondary. Also reports information concerning
launch window blackout intervals when that capability is
used.
Name |
Dimension |
Type |
Description |
Object Name |
Unitless |
Text |
The names of the secondary object involved in the
close approach event. |
SSC Number |
Unitless |
Integer |
The SSC number identifier from the TLE of an object
having a close approach event. |
Start Time |
DateFormat |
Real Number |
The start time of the event. |
End Time |
DateFormat |
Real Number |
The stop time of the event. |
Min Range |
DistanceUnit |
Real Number |
The range (i.e., distance between the primary and
secondary object) at the time of close approach. |
Min Range Time |
DateFormat |
Real Number |
The time at which the minimum range occurs. |
Window
Blackout Start |
DateFormat |
Real Number or Text |
The start time of a launch window blackout
interval. Only valid if the launch window capability has been used.
During a launch window blackout interval, the vehicle will have a
close approach with some secondary vehicle if it were to be
launched during that interval. |
Window
Blackout Stop |
DateFormat |
Real Number or Text |
The start time of a launch window blackout
interval. Only valid if the launch window capability has been used.
During a launch window blackout interval, the vehicle will have a
close approach with some secondary vehicle if it were to be
launched during that interval. |
Window
Blackout Duration |
TimeUnit |
Real Number or Text |
The duration of the window blackout. |
Min Range
Launch Time |
DateFormat |
Real Number or Text |
The launch time that produces the minimum range to
the secondary. Only valid if the launch window capability has been
used. During a launch window blackout interval, the vehicle will
have a close approach with some secondary vehicle if it were to be
launched during that interval. |
Start Time
Past Launch |
TimeUnit |
Real Number |
The relative time since launch time, of the start
time when the earliest close approach event occurs with the
secondary. Only valid if the launch window capability has been
used. During a launch window blackout interval, the vehicle will
have a close approach with some secondary vehicle if it were to be
launched during that interval. |
End Time Past
Launch |
TimeUnit |
Real Number |
The relative time since launch time, of the stop
time when the latest close approach event occurs with the
secondary. Only valid if the launch window capability has been
used. During a launch window blackout interval, the vehicle will
have a close approach with some secondary vehicle if it were to be
launched during that interval. |
Duration |
TimeUnit |
Real Number |
The duration of the event. |
Time of Min Range Past
Launch |
TimeUnit |
Real Number |
The duration, measured from the launch time, at
which the minimum range considering all secondary occurs. |