Please read the following terms and conditions of the User Agreement carefully! This website permits access to U.S. Government
space situational awareness information to approved users only. To obtain access, all users must abide by the following terms and
The User agrees not to transfer any data or technical information received from this website, or other U.S. Government source,
including the analysis of data, to any other entity without prior express approval. See, 10 USC 2274(c)(2).
The User agrees to pay an amount that may be charged. The present U.S. Government policy is not to charge for website access. The
website will provide notification should this policy change. See, 10 USC 2274(c)(1).
The User agrees to hold harmless the U.S. Government, any agencies and instrumentalities thereof, and any individuals, firms,
corporations, and other persons acting for the United States. Such shall be immune from any suit in any court for any cause of
action arising from the provision or receipt of space situational awareness services or information, whether or not provided in
accordance with 10 USC 2274, or any related action or omission. See, 10 USC 2274 (g).
The User agrees he or she will only enter this site utilizing his or her own username and password. The User agrees not to share,
assign or transfer his or her username or password to another. Each individual user or entity is required to obtain a separate
account. See, 10 USC 2274(c)(3).
The User agrees to provide a valid and working email address at registration and for the duration of Account usage. This ensures
effective communication with and delivery of services to the User. As part of the registration process, the User will be asked to
provide and verify his/her email address.
The User agrees these terms and conditions shall be governed by and construed in accordance with U.S. Federal law.
Approved access must be renewed periodically. The U.S. Government may unilaterally terminate this agreement for any reason.
The agreed upon terms and conditions above do not alter in any way those of any other written agreement with the U.S. Government
for space situational awareness services and information. The U.S. Government reserves the right to change or modify these terms
and conditions at any time, and without prior notification.
TWO-LINE ELEMENT (TLE) SET IS THE MEAN KEPLERIAN ORBITAL ELEMENT AT A GIVEN POINT IN TIME FOR EACH SPACE OBJECT REPORTED. A TLE IS
GENERATED USING THE SIMPLIFIED GENERAL PERTURBATIONS THEORY AND IS REASONABLY ACCURATE FOR LONG PERIODS OF TIME. A TLE AVAILABLE
TO THE PUBLIC SHOULD NOT BE USED FOR CONJUNCTION ASSESSMENT PREDICTION. SATELLITE OPERATORS ARE DIRECTED TO CONTACT THE JOINT
SPACE OPERATIONS CENTER AT 805-605-3533 FOR ACCESS TO APPROPRIATE DATA AND ANALYSIS TO SUPPORT OPERATIONAL SATELLITES.
THIS SITE MAY BE INACCESSIBLE FOR SHORT PERIODS OF TIME FOR ROUTINE MAINTENANCE AND UPDATES. THE U.S. GOVERNMENT RESERVES THE
RIGHT TO LIMIT BOTH ACCESS DURATION AND DATA AMOUNTS FOR ANY USER.
U.S. GOVERNMENT DOES NOT WARRANT THE ACCURACY OR COMPLETENESS OF THIS WEBSITE OR THAT THE WEBSITE WILL BE UNINTERRUPTED, ERROR
FREE, THAT DEFECTS WILL BE CORRECTED, OR THAT THE WEBSITE OR SERVER WILL BE FREE OF VIRUSES, OR OTHER TECHNICAL PROBLEMS.