🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.17

Radius: 1.59

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.92 AU - 0.96 AU

Year: 336 Days

Day: 24.1 Hours

Environment

Temp: 40 °C

Axial Tilt: 34.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 74,919,189 km

• M1: 154,086 km (0.096 R)
• M2: 513,420 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.5 AU - 1.54 AU

Year: 691 Days

Day: 14.2 Hours

Environment

Temp: -37 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 74,919,189 km

• M1: 486,492 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.4

Radius: 8.6

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.08 AU - 6.18 AU

Year: 4287 Days

Day: 14.9 Hours

Environment

Temp: -150 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 74,919,189 km

• M1: 106,962 km (0.116 R)
• M2: 711,188 km (0.052 R)
• M3: 1,190,799 km (0.074 R)
• M4: 1,861,297 km (0.072 R)
• M5: 2,310,539 km (0.052 R)
• M6: 2,898,608 km (0.117 R)
• M7: 3,703,445 km (0.061 R)
• M8: 4,213,424 km (0.116 R)
• M9: 6,028,046 km (0.089 R)
• M10: 6,643,043 km (0.08 R)
• M11: 7,107,544 km (0.1 R)
• M12: 7,895,626 km (0.079 R)
• M13: 9,336,852 km (0.1 R)
• M14: 10,240,872 km (0.106 R)
• M15: 10,819,068 km (0.03 R)
• M16: 12,085,862 km (0.108 R)
• M17: 13,206,650 km (0.101 R)
• M18: 14,192,500 km (0.115 R)
• M19: 14,911,168 km (0.097 R)
• M20: 16,089,251 km (0.073 R)
• M21: 16,870,601 km (0.044 R)
• M22: 17,911,951 km (0.074 R)
• M23: 19,868,243 km (0.084 R)
• M24: 20,443,147 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 13.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 779.2

Radius: 5.4

Gravity: 26.72 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 10.42 AU - 16.6 AU

Year: 18321 Days

Day: 15.5 Hours

Environment

Temp: -184 °C

Axial Tilt: 108.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 74,919,189 km

• M1: 67,169 km (0.11 R)
• M2: 235,467 km (0.065 R)
• M3: 489,335 km (0.038 R)
• M4: 740,809 km (0.087 R)
• M5: 1,114,953 km (0.101 R)
• M6: 1,382,733 km (0.087 R)
• M7: 1,657,993 km (0.12 R)
• M8: 2,318,767 km (0.114 R)
• M9: 3,331,694 km (0.104 R)
• M10: 3,559,382 km (0.117 R)
• M11: 4,338,637 km (0.068 R)
• M12: 4,507,234 km (0.066 R)
• M13: 4,786,234 km (0.054 R)
• M14: 5,340,046 km (0.092 R)
• M15: 5,533,924 km (0.06 R)
• M16: 6,797,578 km (0.03 R)
• M17: 7,739,745 km (0.064 R)
• M18: 10,898,504 km (0.088 R)
• M19: 11,401,153 km (0.095 R)
• M20: 14,975,944 km (0.079 R)
• M21: 15,597,074 km (0.067 R)
• M22: 18,872,968 km (0.117 R)
• M23: 19,597,321 km (0.107 R)
• M24: 22,680,832 km (0.057 R)
• M25: 30,893,456 km (0.079 R)
• M26: 37,253,161 km (0.096 R)
• M27: 38,104,672 km (0.111 R)
• M28: 42,250,777 km (0.118 R)
• M29: 48,512,495 km (0.092 R)
• M30: 49,018,285 km (0.102 R)
• M31: 50,212,226 km (0.084 R)
• M32: 57,785,170 km (0.096 R)
• M33: 59,887,319 km (0.061 R)
• M34: 62,039,883 km (0.096 R)
• M35: 62,238,100 km (0.096 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 166 - 19,289 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit