Key statistics
Satellite CALSPHERE 2 at a glance.
Uptime
22299
Days in orbit
Revolutions
≈ 13.5
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
90.2
Latest
Satellite identification and parameters
Extended collection of information and parameters for CALSPHERE 2.
Object identification
Identified? True
Debris? False
Object name: CALSPHERE 2
International designator: 1964-063E
Object number (NORAD): 902
Object ID (CCSDS): 902
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 106.44 minutes
Inclination: 90.2326 deg
SMA: 7439.83 km
Apoapsis: 1075.381 km
Periapsis: 1048.01 km
RAAN: 70.2373 deg
Eccentricy: 0.00183953
Argument of periapsis: 184.4682 deg
Mean anomaly: 303.1926 deg
Mean motion: 13.5287665 rev/day
Mean motion (dot): 0.0000005 rev/day2
B* drag term: 0.000062346977 1/REarth
Two-line elements (TLE)
Creation date: Oct. 25, 2025, 3:11 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Oct. 24, 2025, 10:13 p.m. UTC
TLE line 0: 0 CALSPHERE 2
TLE line 1: 1 00902U 64063E 25297.92608013 .00000050 00000-0 62347-4 0 9995
TLE line 2: 2 00902 90.2326 70.2373 0018395 184.4682 303.1926 13.52876650824456
Live tracking on map
Real-time ground track for satellite CALSPHERE 2.
In-orbit conjunctions
A list of the most updated potential collisions computed for object CALSPHERE 2.
Associated space launch
The Transit-O series of satellites that closely followed the design of Transit 5C-1 were also called “Oscars” (Oscar is the phonetic alphabet for “O”, i. e., operational). They were also called NNS (Navy Navigation Satellite) or shortened NavSat.
CALSPHERE 2 was lifted into orbit during the mission ‘Thor DM-21 Ablestar | Transit-O 1’, on board a Thor DM-21 Ablestar space rocket.
The launch took place on Oct. 6, 1964, 5:04 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Thor DM-21 Ablestar | Transit-O 1
Agency: N/A
Status: Launch Successful
Launch date: Oct. 6, 1964, 5:04 p.m. UTC
Rocket: Thor DM-21 Ablestar
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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