🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.6 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.61

Radius: 1.84

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.06 AU - 1.34 AU

Year: 498 Days

Day: 25.6 Hours

Environment

Temp: -3 °C

Axial Tilt: 25.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 2 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.74 AU - 2.2 AU

Year: 1047 Days

Day: 44.7 Hours

Environment

Temp: -71 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.41

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.93 AU - 2.13 AU

Year: 1095 Days

Day: 31 Hours

Environment

Temp: -83 °C

Axial Tilt: 17.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 983.7

Radius: 9.9

Gravity: 10.04 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 4.61 AU - 7.33 AU

Year: 5525 Days

Day: 10.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 58,530,384 km

• M1: 123,119 km (0.104 R)
• M2: 547,528 km (0.086 R)
• M3: 861,385 km (0.069 R)
• M4: 1,760,318 km (0.087 R)
• M5: 2,098,559 km (0.107 R)
• M6: 2,830,841 km (0.098 R)
• M7: 3,655,274 km (0.092 R)
• M8: 4,161,364 km (0.083 R)
• M9: 4,686,303 km (0.104 R)
• M10: 5,314,315 km (0.083 R)
• M11: 5,773,879 km (0.086 R)
• M12: 6,564,355 km (0.108 R)
• M13: 8,897,633 km (0.065 R)
• M14: 10,042,655 km (0.118 R)
• M15: 10,746,513 km (0.092 R)
• M16: 11,135,168 km (0.088 R)
• M17: 13,110,907 km (0.035 R)
• M18: 13,667,411 km (0.061 R)
• M19: 14,414,353 km (0.108 R)
• M20: 15,309,846 km (0.094 R)
• M21: 19,336,572 km (0.07 R)
• M22: 19,912,225 km (0.076 R)
• M23: 21,554,360 km (0.054 R)
• M24: 21,939,725 km (0.102 R)
• M25: 27,198,987 km (0.081 R)
• M26: 28,379,913 km (0.117 R)
• M27: 30,071,117 km (0.065 R)
• M28: 34,591,516 km (0.115 R)
• M29: 36,410,925 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.2

Radius: 11.2

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 10.33 AU - 10.65 AU

Year: 12868 Days

Day: 7.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 134.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,530,384 km

• M1: 141,370 km (0.09 R)
• M2: 599,439 km (0.025 R)
• M3: 1,008,589 km (0.064 R)
• M4: 1,434,943 km (0.088 R)
• M5: 2,600,161 km (0.086 R)
• M6: 3,737,852 km (0.104 R)
• M7: 4,193,228 km (0.055 R)
• M8: 4,846,821 km (0.111 R)
• M9: 8,783,190 km (0.109 R)
• M10: 11,769,463 km (0.097 R)
• M11: 12,439,063 km (0.08 R)
• M12: 15,090,236 km (0.071 R)
• M13: 17,701,168 km (0.105 R)
• M14: 18,989,655 km (0.108 R)
• M15: 20,599,627 km (0.06 R)
• M16: 21,126,510 km (0.099 R)
• M17: 34,747,995 km (0.048 R)
• M18: 35,369,574 km (0.111 R)
• M19: 36,379,809 km (0.054 R)
• M20: 37,539,042 km (0.093 R)
• M21: 40,750,610 km (0.041 R)
• M22: 41,581,327 km (0.119 R)
• M23: 48,792,991 km (0.04 R)
• M24: 49,572,695 km (0.065 R)
• M25: 55,096,447 km (0.052 R)
• M26: 58,530,317 km (0.11 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 482 - 11,796 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit