Only to illustrate that even engine-less stations have a base thermal signature:
The design of our station orbiting Campeche (the unicluster is away overhauling/chasing a small squadron of Campeche ships) which claims "TH 0" and an intelligence screen obtained from our biolimited ancestors in the United Planets who have now noticed our presence which proves otherwise:
JPDB Repulsor 003 (Repulsor class Jump Point Defence Base) 20,253 tons 491 Crew 3,150.7 BP TCS 405 TH 0 EM 0
1 km/s Armour 12-66 Shields 0-0 HTK 137 Sensors 49/49/0/0 DCR 30 PPV 85
Maint Life 6.22 Years MSP 1,944 AFR 164% IFR 2.3% 1YR 86 5YR 1,293 Max Repair 105 MSP
Magazine 2,096
Node Control Rating 4 BRG AUX ENG CIC
Intended Deployment Time: 36 months Morale Check Required
CPAP 2094 30 cm C4 Plasma Carronade (5) Range 128,000km TS: 5,000 km/s Power 24-4 RM 10,000 km ROF 30
CPAP 2094 10cm Railgun V40/C3 (10x4) Range 40,000km TS: 5,000 km/s Power 3-3 Accuracy Modifier 100% RM 40,000 km ROF 5
CPAP 2094 Beam Fire Control R128-TS5000 (3) Max Range: 128,000 km TS: 5,000 km/s 92 84 77 69 61 53 45 38 30 22
CPAP 2094 Stellarator Fusion Reactor R16 (3) Total Power Output 48.3 Exp 5%
CPAP 2094 Stellarator Fusion Reactor R4 (1) Total Power Output 4 Exp 5%
CPAP 2094 Size 1 Missile Launcher (10) Missile Size: 1 Rate of Fire 5
CPAP 2094 Missile Fire Control FC12-R1 (2) Range 12.1m km Resolution 1
CPAP 2094 Missile Interception Drone (2011) Speed: 30,000 km/s End: 3.4m Range: 6m km WH: 1 Size: 1 TH: 340/204/102
CPAP 2094 Active Search Sensor AS75-R60 (1) GPS 6300 Range 75.1m km Resolution 60
CPAP 2094 Active Search Sensor AS17-R1 (1) GPS 84 Range 17.1m km MCR 1.5m km Resolution 1
CPAP 2094 EM Sensor EM4.50-49.50 (1) Sensitivity 49.5 Detect Sig Strength 1000: 55.6m km
CPAP 2094 Thermal Sensor TH4.50-49.50 (1) Sensitivity 49.5 Detect Sig Strength 1000: 55.6m km
ECM 10
Missile to hit chances are vs targets moving at 3000 km/s, 5000 km/s and 10,000 km/s
This design is classed as a Military Vessel for maintenance purposes