🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.16

Radius: 0.48

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.63 AU - 0.87 AU

Year: 247 Days

Day: 21.2 Hours

Environment

Temp: 153 °C

Axial Tilt: 8.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 42,321,186 km

• M1: 12,417 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.78 AU - 0.94 AU

Year: 304 Days

Day: 12.7 Hours

Environment

Temp: 46 °C

Axial Tilt: 37.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 5.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.8

Radius: 11

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 7.17 AU - 11.55 AU

Year: 10905 Days

Day: 5 Hours

Environment

Temp: -180 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,321,186 km

• M1: 148,251 km (0.105 R)
• M2: 594,053 km (0.027 R)
• M3: 1,711,250 km (0.085 R)
• M4: 2,061,010 km (0.114 R)
• M5: 2,746,767 km (0.104 R)
• M6: 3,685,792 km (0.093 R)
• M7: 5,679,782 km (0.1 R)
• M8: 7,649,089 km (0.06 R)
• M9: 8,807,724 km (0.117 R)
• M10: 9,909,064 km (0.113 R)
• M11: 13,138,433 km (0.113 R)
• M12: 14,464,169 km (0.115 R)
• M13: 15,018,729 km (0.094 R)
• M14: 19,239,782 km (0.097 R)
• M15: 22,603,640 km (0.054 R)
• M16: 26,341,043 km (0.05 R)
• M17: 27,588,690 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.5

Radius: 14.9

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 9.29 AU - 9.91 AU

Year: 11327 Days

Day: 6 Hours

Environment

Temp: -174 °C

Axial Tilt: 96.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,321,186 km

• M1: 195,375 km (0.099 R)
• M2: 684,709 km (0.112 R)
• M3: 1,202,318 km (0.103 R)
• M4: 1,798,017 km (0.109 R)
• M5: 2,782,072 km (0.087 R)
• M6: 4,286,577 km (0.068 R)
• M7: 7,506,073 km (0.116 R)
• M8: 8,839,140 km (0.062 R)
• M9: 11,439,300 km (0.095 R)
• M10: 14,887,083 km (0.096 R)
• M11: 19,798,829 km (0.111 R)
• M12: 21,436,926 km (0.113 R)
• M13: 23,248,107 km (0.101 R)
• M14: 30,596,205 km (0.077 R)
• M15: 32,358,169 km (0.059 R)
• M16: 35,182,726 km (0.107 R)
• M17: 36,885,001 km (0.038 R)
• M18: 38,760,659 km (0.074 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 12,058 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit