🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.73 AU - 0.81 AU

Year: 259 Days

Day: 46.5 Hours

Environment

Temp: 158 °C

Axial Tilt: 22.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.68

Radius: 1.85

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.71 AU - 0.89 AU

Year: 274 Days

Day: 43.6 Hours

Environment

Temp: 79 °C

Axial Tilt: 44.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.15

Radius: 1.06

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.7 AU - 1.12 AU

Year: 332 Days

Day: 25.5 Hours

Environment

Temp: 8 °C

Axial Tilt: 17 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 32,259,302 km

• M1: 423,212 km (0.078 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.62

Radius: 0.83

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.3 AU - 1.96 AU

Year: 797 Days

Day: 19.6 Hours

Environment

Temp: -70 °C

Axial Tilt: 37.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,259,302 km

• M1: 775,665 km (0.038 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.59

Radius: 0.81

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.83 AU - 2.43 AU

Year: 1190 Days

Day: 23.2 Hours

Environment

Temp: -92 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 32,259,302 km

• M1: 534,364 km (0.111 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.26

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 3.42 AU - 4.58 AU

Year: 3063 Days

Day: 16.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 26.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 6.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.9

Radius: 12.4

Gravity: 3.42 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 6.15 AU - 6.79 AU

Year: 6301 Days

Day: 6.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 32,259,302 km

• M1: 162,314 km (0.026 R)
• M2: 321,037 km (0.111 R)
• M3: 420,669 km (0.082 R)
• M4: 513,121 km (0.08 R)
• M5: 880,683 km (0.095 R)
• M6: 1,094,308 km (0.119 R)
• M7: 1,231,041 km (0.029 R)
• M8: 1,357,601 km (0.028 R)
• M9: 1,472,193 km (0.09 R)
• M10: 1,573,022 km (0.113 R)
• M11: 2,075,521 km (0.047 R)
• M12: 2,792,095 km (0.064 R)
• M13: 3,310,302 km (0.103 R)
• M14: 3,399,612 km (0.113 R)
• M15: 3,512,408 km (0.104 R)
• M16: 3,905,402 km (0.079 R)
• M17: 4,023,734 km (0.051 R)
• M18: 4,167,348 km (0.118 R)
• M19: 4,288,373 km (0.093 R)
• M20: 5,168,008 km (0.045 R)
• M21: 5,324,487 km (0.044 R)
• M22: 5,562,049 km (0.111 R)
• M23: 5,722,418 km (0.107 R)
• M24: 6,268,001 km (0.087 R)
• M25: 6,435,102 km (0.108 R)
• M26: 7,059,972 km (0.05 R)
• M27: 7,379,813 km (0.107 R)
• M28: 7,556,338 km (0.105 R)
• M29: 8,675,330 km (0.065 R)
• M30: 9,206,851 km (0.114 R)
• M31: 9,428,855 km (0.114 R)
• M32: 10,007,649 km (0.061 R)
• M33: 10,432,956 km (0.105 R)
• M34: 10,531,989 km (0.093 R)
• M35: 11,199,944 km (0.085 R)
• M36: 11,437,056 km (0.065 R)
• M37: 11,744,330 km (0.061 R)
• M38: 12,019,740 km (0.108 R)
• M39: 12,471,825 km (0.053 R)
• M40: 12,858,685 km (0.072 R)
• M41: 13,071,413 km (0.113 R)
• M42: 13,428,503 km (0.085 R)
• M43: 14,006,699 km (0.116 R)
• M44: 14,372,167 km (0.113 R)
• M45: 15,075,277 km (0.085 R)
• M46: 15,337,222 km (0.101 R)
• M47: 15,751,758 km (0.11 R)
• M48: 15,865,453 km (0.112 R)
• M49: 16,592,049 km (0.046 R)
• M50: 16,707,689 km (0.066 R)
• M51: 17,017,655 km (0.092 R)
• M52: 17,095,446 km (0.082 R)
• M53: 18,156,843 km (0.106 R)
• M54: 18,755,833 km (0.082 R)
• M55: 19,037,526 km (0.071 R)
• M56: 19,239,633 km (0.09 R)
• M57: 20,632,838 km (0.06 R)
• M58: 21,720,115 km (0.101 R)
• M59: 22,100,841 km (0.115 R)
• M60: 23,040,615 km (0.116 R)
• M61: 23,212,952 km (0.064 R)
• M62: 23,472,205 km (0.057 R)
• M63: 23,602,206 km (0.062 R)
• M64: 23,688,972 km (0.111 R)
• M65: 24,694,719 km (0.074 R)
• M66: 25,225,043 km (0.07 R)
• M67: 25,536,057 km (0.108 R)
• M68: 25,758,958 km (0.101 R)
• M69: 26,027,486 km (0.066 R)
• M70: 26,883,635 km (0.075 R)
• M71: 27,520,323 km (0.108 R)
• M72: 28,070,096 km (0.036 R)
• M73: 28,162,098 km (0.087 R)
• M74: 28,669,834 km (0.1 R)
• M75: 29,366,960 km (0.071 R)
• M76: 29,741,104 km (0.104 R)
• M77: 29,834,902 km (0.099 R)
• M78: 30,116,744 km (0.119 R)
• M79: 30,399,634 km (0.104 R)
• M80: 31,539,719 km (0.042 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 18,731 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit