🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.53 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.7

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.49 AU - 0.57 AU

Year: 139 Days

Day: 16.7 Hours

Environment

Temp: 220 °C

Axial Tilt: 36 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.21

Radius: 1.37

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.49 AU - 0.65 AU

Year: 155 Days

Day: 14.8 Hours

Environment

Temp: 213 °C

Axial Tilt: 5.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 31,003,137 km

• M1: 50,265 km (0.102 R)
• M2: 101,727 km (0.039 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.86 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.08

Radius: 1.03

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.69 AU - 1.03 AU

Year: 287 Days

Day: 24.9 Hours

Environment

Temp: 132 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.22

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.98 AU - 1.42 AU

Year: 473 Days

Day: 32.1 Hours

Environment

Temp: 15 °C

Axial Tilt: 2.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 31,003,137 km

• M1: 664,663 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.48

Radius: 1.65

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.43 AU - 3.99 AU

Year: 2070 Days

Day: 30.5 Hours

Environment

Temp: -94 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.87

Radius: 0.95

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.76 AU - 3.9 AU

Year: 2698 Days

Day: 13.4 Hours

Environment

Temp: -125 °C

Axial Tilt: 18 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.06 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 252.1

Radius: 10.2

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 6.52 AU - 10.04 AU

Year: 8575 Days

Day: 8 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 31,003,137 km

• M1: 137,780 km (0.069 R)
• M2: 207,642 km (0.106 R)
• M3: 355,594 km (0.07 R)
• M4: 461,809 km (0.101 R)
• M5: 547,079 km (0.082 R)
• M6: 638,484 km (0.091 R)
• M7: 711,039 km (0.12 R)
• M8: 786,586 km (0.111 R)
• M9: 988,393 km (0.053 R)
• M10: 1,088,624 km (0.062 R)
• M11: 1,162,375 km (0.079 R)
• M12: 1,284,148 km (0.097 R)
• M13: 1,378,395 km (0.035 R)
• M14: 1,779,018 km (0.042 R)
• M15: 1,902,735 km (0.053 R)
• M16: 1,974,692 km (0.115 R)
• M17: 2,158,697 km (0.098 R)
• M18: 2,504,418 km (0.111 R)
• M19: 2,765,167 km (0.045 R)
• M20: 2,909,230 km (0.07 R)
• M21: 3,204,985 km (0.116 R)
• M22: 3,334,686 km (0.119 R)
• M23: 3,554,894 km (0.117 R)
• M24: 3,894,182 km (0.118 R)
• M25: 4,410,594 km (0.068 R)
• M26: 4,555,255 km (0.067 R)
• M27: 4,775,314 km (0.091 R)
• M28: 5,302,197 km (0.12 R)
• M29: 5,430,403 km (0.093 R)
• M30: 5,794,823 km (0.105 R)
• M31: 6,520,223 km (0.093 R)
• M32: 6,602,502 km (0.053 R)
• M33: 7,274,047 km (0.026 R)
• M34: 7,617,972 km (0.07 R)
• M35: 8,055,397 km (0.105 R)
• M36: 8,232,670 km (0.106 R)
• M37: 8,924,261 km (0.108 R)
• M38: 9,822,746 km (0.082 R)
• M39: 9,980,572 km (0.082 R)
• M40: 10,171,010 km (0.088 R)
• M41: 11,372,430 km (0.072 R)
• M42: 12,413,183 km (0.029 R)
• M43: 13,765,398 km (0.06 R)
• M44: 13,942,073 km (0.105 R)
• M45: 14,084,041 km (0.109 R)
• M46: 14,190,854 km (0.106 R)
• M47: 15,566,406 km (0.1 R)
• M48: 15,787,512 km (0.064 R)
• M49: 16,084,015 km (0.112 R)
• M50: 16,795,353 km (0.113 R)
• M51: 17,059,992 km (0.114 R)
• M52: 17,364,124 km (0.092 R)
• M53: 17,823,838 km (0.088 R)
• M54: 17,939,328 km (0.064 R)
• M55: 18,055,117 km (0.073 R)
• M56: 18,248,696 km (0.064 R)
• M57: 18,481,770 km (0.095 R)
• M58: 18,716,040 km (0.117 R)
• M59: 19,187,273 km (0.111 R)
• M60: 20,382,411 km (0.103 R)
• M61: 21,192,633 km (0.053 R)
• M62: 21,437,674 km (0.085 R)
• M63: 21,848,320 km (0.111 R)
• M64: 22,510,740 km (0.06 R)
• M65: 23,348,039 km (0.116 R)
• M66: 23,474,449 km (0.07 R)
• M67: 23,812,839 km (0.081 R)
• M68: 23,940,147 km (0.1 R)
• M69: 24,579,977 km (0.078 R)
• M70: 25,442,110 km (0.042 R)
• M71: 25,615,643 km (0.113 R)
• M72: 25,702,560 km (0.114 R)
• M73: 25,920,374 km (0.069 R)
• M74: 26,095,105 km (0.067 R)
• M75: 26,797,616 km (0.114 R)
• M76: 28,087,000 km (0.117 R)
• M77: 28,536,243 km (0.096 R)
• M78: 28,987,879 km (0.087 R)
• M79: 29,487,386 km (0.03 R)
• M80: 30,081,439 km (0.074 R)
• M81: 30,219,219 km (0.102 R)
• M82: 30,541,153 km (0.055 R)

Kuiper Belt

Range: 30.5 - 53.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 18,402 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit