Key statistics
Satellite SIRION PATHFINDER-2 at a glance.
Uptime
2351
Days in orbit
Revolutions
≈ 15.1
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
97.5
Latest
Satellite identification and parameters
Extended collection of information and parameters for SIRION PATHFINDER-2.
Object identification
Identified? True
Debris? False
Object name: SIRION PATHFINDER-2
International designator: 2018-099B
Object number (NORAD): 43759
Object ID (CCSDS): 43759
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 95.39 minutes
Inclination: 97.48 deg
SMA: 6915.577 km
Apoapsis: 543.24 km
Periapsis: 531.643 km
RAAN: 184.5299 deg
Eccentricy: 0.0008385
Argument of periapsis: 241.7276 deg
Mean anomaly: 118.3108 deg
Mean motion: 15.09594049 rev/day
Mean motion (dot): 0.00005832 rev/day2
B* drag term: 0.00036655 1/REarth
Two-line elements (TLE)
Creation date: May 11, 2025, 2:40 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: May 10, 2025, 9:19 p.m. UTC
TLE line 0: 0 SIRION PATHFINDER-2
TLE line 1: 1 43759U 18099B 25130.88879553 .00005832 00000-0 36655-3 0 9995
TLE line 2: 2 43759 97.4800 184.5299 0008385 241.7276 118.3108 15.09594049351837
Live tracking on map
Real-time ground track for satellite SIRION PATHFINDER-2.
In-orbit conjunctions
There are no conjunctions computed for SIRION PATHFINDER-2, at the moment. Check back to stay up to date, as we update our databases every day.
Go to all conjunctionsAssociated space launch
Dedicated rideshare launching payloads into sun-synchronous orbit. Payloads include ORS-6, EU:CROPIS, STPSat-5, BlackSky Global-1 to -4, HawkEye Pathfinder 1-3, Iceye, NEXTSat-1, 2 SkySats, Centauri II, and a Flock of Doves.
SIRION PATHFINDER-2 was lifted into orbit during the mission ‘Falcon 9 Block 5 | Spaceflight SSO-A’, on board a Falcon 9 space rocket.
The launch took place on Dec. 3, 2018, 6:34 p.m. from Space Launch Complex 4E.
For more information about the launch, click the button.

Falcon 9 Block 5 | Spaceflight SSO-A
Agency: N/A
Status: Launch Successful
Launch date: Dec. 3, 2018, 6:34 p.m. UTC
Rocket: Falcon 9
Launch pad: Space Launch Complex 4E
Location: Vandenberg SFB, CA, USA
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Latest news about this satellite
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