Key statistics
Satellite ISIS 1 DEB at a glance.
Uptime
20672
Days in orbit
Revolutions
≈ 12.2
Per day
Orbit
HEO
HEO
Inclination
88.4
Latest
Satellite identification and parameters
Extended collection of information and parameters for ISIS 1 DEB.
Object identification
Identified? True
Debris? True
Object name: ISIS 1 DEB
International designator: 1969-009C
Object number (NORAD): 31999
Object ID (CCSDS): 31999
Country: CANADA (CA)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 117.584 minutes
Inclination: 88.4096 deg
SMA: 7950.469 km
Apoapsis: 2582.719 km
Periapsis: 561.949 km
RAAN: 130.0723 deg
Eccentricy: 0.12708498
Argument of periapsis: 86.3501 deg
Mean anomaly: 288.1642 deg
Mean motion: 12.246546 rev/day
Mean motion (dot): 0.00025976 rev/day2
B* drag term: 0.013497102 1/REarth
Two-line elements (TLE)
Creation date: Sept. 4, 2025, 10:13 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Sept. 4, 2025, 3:01 a.m. UTC
TLE line 0: 0 ISIS 1 DEB
TLE line 1: 1 31999U 69009C 25247.12606878 .00025976 00000-0 13497-1 0 9997
TLE line 2: 2 31999 88.4096 130.0723 1270850 86.3501 288.1642 12.24654600773705
Live tracking on map
Real-time ground track for satellite ISIS 1 DEB.
In-orbit conjunctions
There are no conjunctions computed for ISIS 1 DEB, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
ISIS 1 (International Satellite for Ionosphere Studies) was an ionospheric observatory instrumented with sweep- and fixed-frequency ionosondes, a VLF receiver, energetic and soft particle detectors, an ion mass spectrometer, an electrostatic probe, an electrostatic analyzer, a beacon transmitter, and a cosmic noise experiment.
ISIS 1 DEB was lifted into orbit during the mission ‘Thor Delta E1 | Isis 1’, on board a Thor Delta E1 space rocket.
The launch took place on Jan. 30, 1969, 6:46 a.m. from Space Launch Complex 2E.
For more information about the launch, click the button.
Thor Delta E1 | Isis 1
Agency: N/A
Status: Launch Successful
Launch date: Jan. 30, 1969, 6:46 a.m. UTC
Rocket: Thor Delta E1
Launch pad: Space Launch Complex 2E
Location: Vandenberg SFB, CA, USA
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Latest news about this satellite
There are no fresh news available about this satellite. Check back as we update our databases every day.
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