Key statistics
Satellite DELTA 1 R/B at a glance.
Uptime
22080
Days in orbit
Revolutions
≈ 14.6
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
98.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for DELTA 1 R/B.
Object identification
Identified? True
Debris? False
Object name: DELTA 1 R/B
International designator: 1965-051B
Object number (NORAD): 1433
Object ID (CCSDS): 1433
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: MEDIUM
Orbital parameters
Period: 98.48 minutes
Inclination: 98.5483 deg
SMA: 7064.113 km
Apoapsis: 714.1 km
Periapsis: 657.856 km
RAAN: 133.8949 deg
Eccentricy: 0.00398093
Argument of periapsis: 132.5497 deg
Mean anomaly: 227.9075 deg
Mean motion: 14.62232012 rev/day
Mean motion (dot): 0.00002134 rev/day2
B* drag term: 0.00042897697 1/REarth
Two-line elements (TLE)
Creation date: Dec. 12, 2025, 10:14 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 12, 2025, 7:22 a.m. UTC
TLE line 0: 0 DELTA 1 R/B
TLE line 1: 1 01433U 65051B 25346.30702835 .00002134 00000-0 42898-3 0 9990
TLE line 2: 2 01433 98.5483 133.8949 0039809 132.5497 227.9075 14.62232012167512
Live tracking on map
Real-time ground track for satellite DELTA 1 R/B.
In-orbit conjunctions
A list of the most updated potential collisions computed for object DELTA 1 R/B.
Associated space launch
NASA's TIROS (Television & Infra-Red Observation Satellite) program was the first experimental weathersatellite program.
DELTA 1 R/B was lifted into orbit during the mission ‘Thor Delta C | Tiros 10’, on board a Thor Delta C space rocket.
The launch took place on July 2, 1965, 4:07 a.m. from Space Launch Complex 17B.
For more information about the launch, click the button.
Thor Delta C | Tiros 10
Agency: N/A
Status: Launch Successful
Launch date: July 2, 1965, 4:07 a.m. UTC
Rocket: Thor Delta C
Launch pad: Space Launch Complex 17B
Location: Cape Canaveral SFS, FL, USA
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