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Exhibit 23
ACCOUNTANTS' CONSENT
THE BOARD OF DIRECTORS
ORBITAL SCIENCES CORPORATION:
We consent to the incorporation by reference in the registration statements
on Forms S-8 (Nos. 33-84296, 33-62277, 33-64517, 333-53585, 333-69887,
333-69885, and 333-27999) of Orbital Sciences Corporation and subsidiaries of
our reports dated February 5, 1996, except as to note 1A, which is as of April
17, 2000, relating to the consolidated balance sheets of Orbital Sciences
Corporation as of December 31, 1995 and 1994, and the related consolidated
statements of operations, stockholders' equity, and cash flows and the related
consolidated financial statement schedule for each of the years in the
three-year period ended December 31, 1995, which reports appear in the December
31, 1995 annual report on Form 10-K/A of Orbital Sciences Corporation.
Our reports refer to the adoption of the provisions of Statement of
Financial Accounting Standards No. 121, "Accounting for the Impairment of
Long-Lived Assets and for Long-Lived Assets to be Disposed Of," as of January 1,
1995, and to the adoption of the provisions of Statement of Financial Accounting
Standards No. 109, "Accounting for Income Taxes," as of January 1, 1993.
Our reports refer to the restatement of the consolidated balance sheets as
of December 31, 1995, and the consolidated statements of operations,
stockholders' equity and cash flows, and the related consolidated financial
statement schedule, for the year then ended.
KPMG LLP
Washington, D.C.
June 26, 2000
