🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.99

Radius: 1

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.54 AU - 0.68 AU

Year: 182 Days

Day: 24.5 Hours

Environment

Temp: 140 °C

Axial Tilt: 13.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.28 AU - 1.84 AU

Year: 746 Days

Day: 43.9 Hours

Environment

Temp: -55 °C

Axial Tilt: 10.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.5

Radius: 13.7

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 3.86 AU - 5.64 AU

Year: 3964 Days

Day: 14.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 71,177,121 km

• M1: 170,392 km (0.086 R)
• M2: 607,068 km (0.049 R)
• M3: 1,076,656 km (0.058 R)
• M4: 2,020,319 km (0.113 R)
• M5: 2,487,065 km (0.11 R)
• M6: 3,602,167 km (0.115 R)
• M7: 4,460,261 km (0.097 R)
• M8: 5,236,225 km (0.072 R)
• M9: 5,926,020 km (0.107 R)
• M10: 6,368,681 km (0.053 R)
• M11: 7,057,878 km (0.114 R)
• M12: 7,727,179 km (0.048 R)
• M13: 10,493,842 km (0.059 R)
• M14: 13,208,744 km (0.08 R)
• M15: 14,862,548 km (0.089 R)
• M16: 15,572,540 km (0.073 R)
• M17: 17,656,887 km (0.117 R)
• M18: 18,267,546 km (0.032 R)
• M19: 18,829,136 km (0.044 R)
• M20: 22,444,318 km (0.056 R)
• M21: 23,598,765 km (0.075 R)
• M22: 24,116,074 km (0.12 R)
• M23: 26,104,230 km (0.093 R)

Planet 4 - Ice Giant

Semi-Major Axis: 17.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 279.2

Radius: 7.7

Gravity: 4.71 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 13.84 AU - 21.42 AU

Year: 28343 Days

Day: 24.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 63.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 71,177,121 km

• M1: 119,080 km (0.065 R)
• M2: 524,341 km (0.103 R)
• M3: 1,115,701 km (0.066 R)
• M4: 1,902,137 km (0.106 R)
• M5: 2,360,056 km (0.112 R)
• M6: 5,399,735 km (0.072 R)
• M7: 6,275,481 km (0.097 R)
• M8: 7,907,743 km (0.111 R)
• M9: 10,381,494 km (0.108 R)
• M10: 11,041,669 km (0.12 R)
• M11: 12,313,251 km (0.072 R)
• M12: 14,036,469 km (0.097 R)
• M13: 14,326,390 km (0.057 R)
• M14: 19,080,909 km (0.09 R)
• M15: 25,968,994 km (0.099 R)
• M16: 28,089,992 km (0.085 R)
• M17: 30,565,538 km (0.046 R)
• M18: 32,673,372 km (0.112 R)
• M19: 33,183,052 km (0.118 R)
• M20: 33,697,968 km (0.114 R)
• M21: 33,957,520 km (0.114 R)
• M22: 35,141,587 km (0.036 R)
• M23: 36,353,180 km (0.081 R)
• M24: 47,064,687 km (0.06 R)
• M25: 51,569,378 km (0.096 R)
• M26: 56,718,985 km (0.073 R)
• M27: 59,512,427 km (0.079 R)
• M28: 70,751,415 km (0.067 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 261 - 16,827 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit