FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
MAFFEI GREGORY B
   2. Issuer Name and Ticker or Trading Symbol
LIBERTY MEDIA CORP [LCAPA] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President, CEO
(Last)
(First)
(Middle)
12300 LIBERTY BLVD.		 3. Date of Earliest Transaction (Month/Day/Year)
12/17/2009
(Street)

ENGLEWOOD, CO 80112		 4. If Amendment, Date Original Filed(Month/Day/Year)
 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Series A Liberty Capital Common Stock 12/17/2009   A   14,497 A $ 0 527,301 D  
Series A Liberty Capital Common Stock               1,866 (1) I By 401(k) Savings Plan
Series A Liberty Interactive Common Stock 12/17/2009   A   93,659 A $ 0 527,523 D  
Series A Liberty Interactive Common Stock               4,029 (1) I By 401(k) Savings Plan
Series A Liberty Starz Common Stock 12/17/2009   A   8,137 A $ 0 42,261 (2) D  
Series A Liberty Starz Common Stock               477 (1) I By 401(k) Savings Plan

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Option (right to buy) $ 23.28 12/17/2009   A   1,353,000     (3) 12/17/2019 Series A Liberty Capital Common Stock 1,353,000 $ 0 1,353,000 D  
Stock Option (right to buy) $ 10.27 12/17/2009   A   8,743,000     (3) 12/17/2019 Series A Liberty Interactive Common Stock 8,743,000 $ 0 8,743,000 D  
Stock Option (right to buy) $ 47.7 12/17/2009   A   760,000     (3) 12/17/2019 Series A Liberty Starz Common Stock 760,000 $ 0 760,000 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MAFFEI GREGORY B
12300 LIBERTY BLVD.
ENGLEWOOD, CO 80112		   X     President, CEO  

Signatures

 /s/ Charles Y. Tanabe, Attorney-in-fact   12/18/2009
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The number of shares represents equivalent shares based on the fair market value of the shares of Series A Liberty Capital Common Stock, Series A Liberty Interactive Common Stock, and Series A Liberty Starz Common Stock held by the unitized stock fund under the Issuer's 401(k) Savings Plan based on a report from the Plan Administrator dated as of November 30, 2009. The Reporting Person has an interest in the unitized fund, which holds shares of Series A Liberty Capital Common Stock, Series A Liberty Interactive Common Stock, Series A Liberty Starz Common Stock and short-term investments.
(2) The total shares owned was decreased by one share due to the Reporting Person's receipt of one less shares to which he was entitled in the redemption described in the Reporting Person's Form 4 filed on 11/23/09.
(3) The stock option vests as to one-half of the total shares on the fourth anniversary of the grant date and the balance will vest on the fifth anniversary of that date.
 
Remarks:
The trading symbol for the Issuer's Series A Liberty Capital Common Stock is LCAPA, Series A Liberty Interactive Common Stock is LINTA, and Series A Liberty Starz Common Stock is LSTZA.

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