🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 0.77 AU - 0.81 AU

Year: 294 Days

Day: 43.1 Hours

Environment

Temp: -15 °C

Axial Tilt: 45.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 18,125,283 km

• M1: 206,595 km (0.107 R)
• M2: 508,483 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.4

Radius: 1.63

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.81 AU - 2.67 AU

Year: 1405 Days

Day: 32.8 Hours

Environment

Temp: -117 °C

Axial Tilt: 32.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.78 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 726.7

Radius: 12.5

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.21 AU - 3.43 AU

Year: 2534 Days

Day: 9.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,125,283 km

• M1: 157,527 km (0.088 R)
• M2: 559,346 km (0.115 R)
• M3: 1,046,587 km (0.084 R)
• M4: 1,445,714 km (0.05 R)
• M5: 1,901,838 km (0.086 R)
• M6: 2,426,627 km (0.111 R)
• M7: 3,146,492 km (0.117 R)
• M8: 3,828,808 km (0.093 R)
• M9: 4,542,539 km (0.096 R)
• M10: 5,199,573 km (0.049 R)
• M11: 6,536,081 km (0.081 R)
• M12: 7,195,658 km (0.035 R)
• M13: 7,867,651 km (0.05 R)
• M14: 8,316,894 km (0.057 R)
• M15: 10,592,876 km (0.048 R)
• M16: 11,585,607 km (0.108 R)
• M17: 11,999,694 km (0.061 R)
• M18: 13,802,049 km (0.048 R)
• M19: 15,778,686 km (0.057 R)
• M20: 16,339,528 km (0.11 R)
• M21: 17,501,455 km (0.055 R)
• M22: 18,269,042 km (0.081 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 355.7

Radius: 14.3

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.31 AU - 4.49 AU

Year: 3227 Days

Day: 6.8 Hours

Environment

Temp: -161 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 18,125,283 km

• M1: 177,872 km (0.062 R)
• M2: 648,058 km (0.12 R)
• M3: 1,234,332 km (0.095 R)
• M4: 2,187,570 km (0.035 R)
• M5: 2,988,217 km (0.062 R)
• M6: 3,466,781 km (0.089 R)
• M7: 3,996,657 km (0.085 R)
• M8: 5,016,166 km (0.065 R)
• M9: 6,683,135 km (0.052 R)
• M10: 7,450,572 km (0.072 R)
• M11: 8,403,361 km (0.113 R)
• M12: 8,959,566 km (0.116 R)
• M13: 9,540,305 km (0.111 R)
• M14: 10,219,031 km (0.066 R)
• M15: 12,618,132 km (0.114 R)
• M16: 15,323,908 km (0.109 R)
• M17: 17,069,865 km (0.102 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 508 - 15,076 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit