Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:satellite_orbital_data_format
|
| gptkbp:canBe |
SDP4 propagator
SGP4 propagator |
| gptkbp:contains |
orbital elements
|
| gptkbp:format |
Two-Line Element Set
|
| gptkbp:includes |
gptkb:EP
eccentricity mean anomaly right ascension of ascending node argument of perigee inclination mean motion revolution number satellite catalog number |
| gptkbp:introducedIn |
1960s
|
| gptkbp:openToPublic |
true
|
| gptkbp:originatedIn |
gptkb:United_States
|
| gptkbp:publishedBy |
gptkb:Space-Track.org
gptkb:Celestrak |
| gptkbp:updated |
daily
|
| gptkbp:usedBy |
gptkb:astronomer
gptkb:North_American_Aerospace_Defense_Command space agencies satellite operators amateur satellite trackers |
| gptkbp:usedFor |
space situational awareness
collision avoidance tracking artificial satellites predicting satellite positions |
| gptkbp:bfsParent |
gptkb:CelesTrak
|
| gptkbp:bfsLayer |
7
|
| https://www.w3.org/2000/01/rdf-schema#label |
NORAD TLE data
|