A two-line element set (TLE, or more rarely 2LE) or three-line element set (3LE) is a data format encoding a list of orbital elements of an Earth-orbiting...

many forms including the traditional Position-Velocity vectors, Two-line element set (TLE), and Vector Covariance Matrix (VCM). State vectors are defined...

Propagation of NORAD Element Sets (PDF) (Report). Retrieved November 8, 2022. Vallado, David A., and Paul J. Cefola. "Two-line element sets-Practice and use...

NASA later published[when?] modified versions of the database in two-line element set, and during the early 1980s the CelesTrak bulletin board system re-published...

{{cite book}}: ISBN / Date incompatibility (help) Kelso, T. S. "FAQs: Two-line element set format". celestrak.com. CelesTrak. Archived from the original on...

upper-atmospheric lightning, a weather phenomenon Two-line element set, a format for distributing orbital element data Technology and Livelihood Education, part...

Windows, remain set at 80 columns and some file formats, such as FITS, still use 80-character card images. The two-line element set format for tracking...

through in-app purchases. Look4Sat – predicts satellite passes from a two-line element set database, including a polar view function with satellite footprints...

debris Two-line element set (TLE) United States Space Surveillance Network Kelso, T.S. (January 1998). "Frequently Asked Questions: Two-Line Element Set Format"...

decreases. The distributed-element model applies at all frequencies, and is used in transmission-line theory; many distributed-element components are made of...

This set of models is often referred to collectively as SGP4 due to the frequency of use of that model particularly with two-line element sets produced...

well). Kelso, T.S. (January 1998). "Frequently Asked Questions: Two-Line Element Set Format". Satellite Times. Retrieved 3 October 2019. McDowell, Jonathan...

earth orbiting objects described by a two-line element set the epoch is specified as a date in the first line. The mean anomaly M can be computed from...

function between two sets such that each element of the second set (the codomain) is the image of exactly one element of the first set (the domain). Equivalently...

to abaab−1a. One can check that the set of those strings with this operation forms a group with identity element the empty string e. This group may be...

received a signal from the satellite and were concerned that the Two-line element set they were using to locate the satellite might be wrong. According...

of the man-made RSOs currently orbiting Earth. One example is the two-line element set public catalog. "Towards an Artificial Space Object Taxonomy" (PDF)...

www.satsig.net. Retrieved 2018-12-10. "CelesTrak: Current NORAD Two-Line Element Sets". www.celestrak.com. Retrieved 2018-12-10. "Extra-Terrestrial Relays...

complex plane. For instance, two numbers w and z in C {\displaystyle \mathbb {C} } have a difference w – z, and the line segments wz and 0(w − z) are...

that every element of the set belongs to exactly one equivalence class. The set of the equivalence classes is sometimes called the quotient set or the quotient...

numbers into two sets A and B, such that each element of A is less than every element of B, and A contains no greatest element. The set B may or may not...

discrete group acting on the topological space X. This means that each element g of G is associated to a homeomorphism Hg of X onto itself, in such a...

function from a set X to a set Y assigns to each element of X exactly one element of Y. The set X is called the domain of the function and the set Y is called...

that F is the free group on the two element set { a , b } {\displaystyle \{a,b\}} . A word w in the symmetric generating set { a , b , a − 1 , b − 1 } {\displaystyle...

{\displaystyle A\subseteq B} by applying a proof technique known as the element argument: Let sets A and B be given. To prove that A ⊆ B , {\displaystyle A\subseteq...

subdomain represented by a set of element equations for the original problem. Systematically recombining all sets of element equations into a global system...

element, therefore no such bijection can exist, and so P ( N ) {\displaystyle {\mathcal {P}}(\mathbb {N} )} must be not be countable. These two sets,...

sets. A set may be finite or infinite. There is a unique set with no elements, called the empty set; a set with a single element is a singleton. Sets...

Jonathan's Space Page. Retrieved 6 May 2017. "Celestrak NORAD Two-Line Element Sets". 5 May 2017. Retrieved 6 May 2017. "Missions - LAGEOS 1&2 - NASA...

The Cointet-element, also known as a Belgian Gate or C-element, was a heavy steel fence about three metres (9 ft 10 in) wide and two metres (6 ft 7 in)...