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Spacecraft information: SSTL S1-4
Launch Details
| Launched | 15 September 2018 |
| Flight ended | – |
| Status | Operational |
| Category |
Active satellites
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| Launch site | Satish Dhawan Space Centre, India (Formerly Sriharikota Launching Range) |
| Owner | United Kingdom |
| NORAD ID | 43618 |
| COSPAR ID | 2018-071A |
| Observing |
Current orbital elements
| Inclination | 97.517° |
| Eccentricity | 0.00022 |
| RA ascending node | 20.857 hr |
| Argument perigee | 106.476° |
| Mean anomaly | 253.670° |
| Orbital period | 96.248 min |
| Epoch of osculation | 18 Mar 2026, 12:49 |
Derived Quantities
| Min Altitude | 584.4 km |
| Mean Altitude | 586.0 km |
| Peak Altitude | 587.5 km |
Orbital History
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