<SEC-DOCUMENT>0001172661-15-000171-index.html : 20150123
<SEC-HEADER>0001172661-15-000171.hdr.sgml : 20150123
<ACCEPTANCE-DATETIME>20150122190211
ACCESSION NUMBER:		0001172661-15-000171
CONFORMED SUBMISSION TYPE:	SC 13G
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20150123
DATE AS OF CHANGE:		20150122

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ORBITAL SCIENCES CORP /DE/
		CENTRAL INDEX KEY:			0000820736
		STANDARD INDUSTRIAL CLASSIFICATION:	RADIO & TV BROADCASTING & COMMUNICATIONS EQUIPMENT [3663]
		IRS NUMBER:				061209561
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-41374
		FILM NUMBER:		15543052

	BUSINESS ADDRESS:	
		STREET 1:		45101 WARP DRIVE
		CITY:			DULLES
		STATE:			VA
		ZIP:			20166
		BUSINESS PHONE:		703 406 5524

	MAIL ADDRESS:	
		STREET 1:		45101 WARP DRIVE
		STREET 2:		45101 WARP DRIVE
		CITY:			DULLES
		STATE:			VA
		ZIP:			20166

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ORBITAL SCIENCES CORP II
		DATE OF NAME CHANGE:	19900212

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Roystone Capital Management LP
		CENTRAL INDEX KEY:			0001582271
		IRS NUMBER:				900907631
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1213

	FILING VALUES:
		FORM TYPE:		SC 13G

	BUSINESS ADDRESS:	
		STREET 1:		767 THIRD AVENUE, 6TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
		BUSINESS PHONE:		212-326-6010

	MAIL ADDRESS:	
		STREET 1:		767 THIRD AVENUE, 6TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G
<SEQUENCE>1
<FILENAME>orb011315.htm
<DESCRIPTION>SCHEDULE 13G HOLDINGS REPORT
<TEXT>
Document 1 - file: orb011315.htm

</DOCUMENT>
</SEC-DOCUMENT>