EXHIBIT 21.1

                                      ORION
                                SUBSIDIARIES LIST
                                -----------------


Orion Network Systems, Inc.*

Orion Satellite Corporation

International Private Satellite Partners, L.P.

OrionNet, Inc.

Orion Asia Pacific Corporation

Asia Pacific Space and Communications, Ltd.

Orion Atlantic Europe, Inc.

OrionNet Finance Corporation


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*The issuer of the Units is a newly-formed  Delaware corporation presently named
  Orion Newco  Services,  Inc. The issuer will become the parent holding company
  of the existing public company,  Orion Network Systems, Inc. ("Old ONSI"), and
  will change its name to Orion  Network  Systems,  Inc., at which time Old ONSI
  will change its name to_____________________.