🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.91 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.74 AU - 1.88 AU

Year: 908 Days

Day: 25.5 Hours

Environment

Temp: -66 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.28 AU - 4.5 AU

Year: 3429 Days

Day: 45.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 46.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380

Radius: 11.8

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 4.35 AU - 5.05 AU

Year: 3798 Days

Day: 10.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,148,275 km

• M1: 146,756 km (0.116 R)
• M2: 532,718 km (0.072 R)
• M3: 988,992 km (0.098 R)
• M4: 1,811,780 km (0.103 R)
• M5: 2,303,508 km (0.117 R)
• M6: 2,710,564 km (0.094 R)
• M7: 3,394,376 km (0.117 R)
• M8: 3,925,149 km (0.104 R)
• M9: 4,380,525 km (0.098 R)
• M10: 5,910,313 km (0.101 R)
• M11: 6,315,424 km (0.092 R)
• M12: 7,995,109 km (0.096 R)
• M13: 8,834,203 km (0.114 R)
• M14: 10,806,202 km (0.116 R)
• M15: 13,559,850 km (0.083 R)
• M16: 16,274,453 km (0.112 R)
• M17: 17,073,605 km (0.055 R)
• M18: 18,349,525 km (0.114 R)

Asteroid Belt

Center: 5.42 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.8

Radius: 11.6

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.98 AU - 7.28 AU

Year: 5658 Days

Day: 10.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 27,148,275 km

• M1: 144,512 km (0.102 R)
• M2: 624,422 km (0.113 R)
• M3: 1,435,990 km (0.113 R)
• M4: 2,032,736 km (0.082 R)
• M5: 2,789,851 km (0.076 R)
• M6: 4,256,209 km (0.066 R)
• M7: 5,467,802 km (0.102 R)
• M8: 7,837,432 km (0.096 R)
• M9: 9,092,708 km (0.077 R)
• M10: 9,566,335 km (0.039 R)
• M11: 11,491,061 km (0.048 R)
• M12: 11,858,623 km (0.096 R)
• M13: 12,909,847 km (0.068 R)
• M14: 16,904,260 km (0.072 R)
• M15: 17,320,292 km (0.118 R)
• M16: 18,296,867 km (0.111 R)
• M17: 18,735,637 km (0.084 R)
• M18: 20,830,905 km (0.081 R)
• M19: 21,865,075 km (0.116 R)
• M20: 25,173,133 km (0.068 R)
• M21: 26,029,880 km (0.103 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 394 - 11,070 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit