🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.6 AU - 0.7 AU

Year: 202 Days

Day: 46.7 Hours

Environment

Temp: 172 °C

Axial Tilt: 41.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.15 AU - 1.41 AU

Year: 558 Days

Day: 22.8 Hours

Environment

Temp: -49 °C

Axial Tilt: 6.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,242,215 km

• M1: 836,402 km (0.078 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.82

Radius: 1.27

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.12 AU - 1.7 AU

Year: 645 Days

Day: 44 Hours

Environment

Temp: -59 °C

Axial Tilt: 3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.09

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.07 AU - 2.51 AU

Year: 1334 Days

Day: 47.5 Hours

Environment

Temp: -101 °C

Axial Tilt: 26.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,242,215 km

• M1: 36,651 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 119.7

Radius: 15

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 5.04 AU - 7.44 AU

Year: 6001 Days

Day: 12.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,242,215 km

• M1: 186,848 km (0.047 R)
• M2: 1,206,208 km (0.074 R)
• M3: 4,223,896 km (0.094 R)
• M4: 6,802,066 km (0.066 R)
• M5: 12,533,310 km (0.1 R)
• M6: 13,858,298 km (0.075 R)
• M7: 18,010,387 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.7

Radius: 9.2

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 7.89 AU - 9.31 AU

Year: 9710 Days

Day: 12.4 Hours

Environment

Temp: -185 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,242,215 km

• M1: 116,088 km (0.051 R)
• M2: 579,841 km (0.078 R)
• M3: 1,425,369 km (0.093 R)
• M4: 1,799,363 km (0.107 R)
• M5: 2,131,171 km (0.086 R)
• M6: 2,811,393 km (0.109 R)
• M7: 4,750,331 km (0.107 R)
• M8: 5,836,411 km (0.05 R)
• M9: 7,120,559 km (0.095 R)
• M10: 7,615,878 km (0.101 R)
• M11: 8,267,227 km (0.053 R)
• M12: 9,288,981 km (0.081 R)
• M13: 10,340,803 km (0.081 R)
• M14: 12,267,474 km (0.071 R)
• M15: 12,679,766 km (0.102 R)
• M16: 14,163,777 km (0.042 R)
• M17: 16,745,387 km (0.086 R)
• M18: 17,106,816 km (0.038 R)
• M19: 19,705,181 km (0.053 R)
• M20: 23,624,047 km (0.116 R)
• M21: 24,262,680 km (0.091 R)
• M22: 30,753,881 km (0.091 R)
• M23: 31,735,094 km (0.117 R)
• M24: 32,066,902 km (0.118 R)
• M25: 34,570,273 km (0.094 R)
• M26: 34,921,529 km (0.087 R)
• M27: 35,631,071 km (0.059 R)
• M28: 41,131,037 km (0.077 R)
• M29: 48,622,001 km (0.093 R)
• M30: 49,210,668 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454.9

Radius: 5.9

Gravity: 13.07 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 13.67 AU - 17.89 AU

Year: 24134 Days

Day: 16.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 75,242,215 km

• M1: 77,791 km (0.057 R)
• M2: 337,343 km (0.066 R)
• M3: 799,750 km (0.056 R)
• M4: 1,379,292 km (0.09 R)
• M5: 1,850,376 km (0.071 R)
• M6: 4,776,810 km (0.081 R)
• M7: 8,282,935 km (0.085 R)
• M8: 9,190,396 km (0.057 R)
• M9: 9,582,641 km (0.082 R)
• M10: 9,811,825 km (0.101 R)
• M11: 10,765,063 km (0.105 R)
• M12: 11,844,112 km (0.039 R)
• M13: 12,376,082 km (0.101 R)
• M14: 20,337,831 km (0.08 R)
• M15: 20,812,056 km (0.086 R)
• M16: 23,191,260 km (0.114 R)
• M17: 24,552,900 km (0.111 R)
• M18: 31,280,466 km (0.084 R)
• M19: 33,990,880 km (0.105 R)
• M20: 39,432,204 km (0.079 R)
• M21: 41,670,936 km (0.079 R)
• M22: 52,353,720 km (0.074 R)
• M23: 57,468,620 km (0.098 R)
• M24: 59,759,113 km (0.07 R)
• M25: 60,731,200 km (0.11 R)
• M26: 61,122,997 km (0.093 R)
• M27: 61,516,440 km (0.115 R)
• M28: 64,521,262 km (0.116 R)
• M29: 64,929,216 km (0.075 R)
• M30: 68,043,395 km (0.101 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 343 - 16,646 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit