A satellite city or satellite town is a smaller municipality or settlement that is part of a larger metropolitan area and serves as a regional population and employment center. It differs from suburbs
Bidhannagar (Salt Lake City) is a satellite city of Kolkata with over 670,000 residents.
An edge city is a concentration of business, shopping, and entertainment outside a traditional downtown or central business district, in what had previously been a suburban, residential or rural area.
Satellite city
…as part of a metropolis and experiences high levels of cross-commuting (that is, residents commuting out of and employees commuting into the city). Edge city New Urbanism…
Tysons, Virginia, located outside Washington, D.C., is the classic example of an 'edge city' described by Joel Garreau in Edge City: Life on the New Frontier.
La Défense, an edge city of Paris
The Rosslyn–Ballston corridor in Arlington County near Washington, D.C.
Century City, an edge city of Los Angeles