🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.37

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.57 AU - 0.85 AU

Year: 222 Days

Day: 15.5 Hours

Environment

Temp: 111 °C

Axial Tilt: 25.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.59

Radius: 1.2

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.8 AU - 0.9 AU

Year: 291 Days

Day: 28.5 Hours

Environment

Temp: 157 °C

Axial Tilt: 12.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.07 AU - 1.57 AU

Year: 562 Days

Day: 29.5 Hours

Environment

Temp: -22 °C

Axial Tilt: 5.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 38,118,322 km

• M1: 286,630 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.27

Radius: 1.79

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.68 AU - 2.44 AU

Year: 1096 Days

Day: 27.4 Hours

Environment

Temp: -74 °C

Axial Tilt: 28.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 2.02 AU - 2.68 AU

Year: 1336 Days

Day: 44.7 Hours

Environment

Temp: -81 °C

Axial Tilt: 15 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 6.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 180.7

Radius: 12.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 8.83 AU - 13.47 AU

Year: 13808 Days

Day: 10.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 38,118,322 km

• M1: 290,369 km (0.098 R)
• M2: 439,070 km (0.107 R)
• M3: 569,669 km (0.084 R)
• M4: 743,950 km (0.089 R)
• M5: 831,016 km (0.092 R)
• M6: 1,082,041 km (0.069 R)
• M7: 1,251,985 km (0.102 R)
• M8: 1,449,454 km (0.108 R)
• M9: 1,896,303 km (0.049 R)
• M10: 2,189,215 km (0.115 R)
• M11: 2,474,349 km (0.076 R)
• M12: 2,865,846 km (0.087 R)
• M13: 3,178,506 km (0.092 R)
• M14: 3,351,591 km (0.095 R)
• M15: 3,629,843 km (0.061 R)
• M16: 4,317,843 km (0.103 R)
• M17: 4,817,799 km (0.088 R)
• M18: 5,017,363 km (0.117 R)
• M19: 5,872,913 km (0.114 R)
• M20: 6,773,492 km (0.082 R)
• M21: 6,933,113 km (0.091 R)
• M22: 7,584,313 km (0.113 R)
• M23: 7,716,857 km (0.111 R)
• M24: 8,323,177 km (0.034 R)
• M25: 8,736,067 km (0.065 R)
• M26: 8,944,905 km (0.081 R)
• M27: 10,014,381 km (0.099 R)
• M28: 10,787,054 km (0.065 R)
• M29: 11,770,061 km (0.094 R)
• M30: 11,962,444 km (0.086 R)
• M31: 12,194,770 km (0.117 R)
• M32: 12,467,487 km (0.06 R)
• M33: 12,624,265 km (0.083 R)
• M34: 13,378,089 km (0.071 R)
• M35: 13,699,874 km (0.085 R)
• M36: 14,228,253 km (0.116 R)
• M37: 15,473,057 km (0.109 R)
• M38: 15,641,654 km (0.077 R)
• M39: 15,726,177 km (0.089 R)
• M40: 15,938,157 km (0.116 R)
• M41: 16,579,932 km (0.084 R)
• M42: 16,709,185 km (0.12 R)
• M43: 17,756,220 km (0.057 R)
• M44: 18,332,172 km (0.095 R)
• M45: 19,457,148 km (0.076 R)
• M46: 19,548,103 km (0.111 R)
• M47: 19,776,091 km (0.078 R)
• M48: 19,913,421 km (0.114 R)
• M49: 20,327,059 km (0.054 R)
• M50: 24,077,927 km (0.11 R)
• M51: 24,175,614 km (0.091 R)
• M52: 24,567,710 km (0.062 R)
• M53: 25,209,485 km (0.049 R)
• M54: 25,408,002 km (0.087 R)
• M55: 25,557,300 km (0.089 R)
• M56: 25,706,898 km (0.072 R)
• M57: 26,107,072 km (0.119 R)
• M58: 26,458,927 km (0.078 R)
• M59: 26,610,320 km (0.115 R)
• M60: 26,711,298 km (0.101 R)
• M61: 27,218,435 km (0.116 R)
• M62: 28,087,748 km (0.119 R)
• M63: 28,499,890 km (0.047 R)
• M64: 29,174,128 km (0.118 R)
• M65: 29,434,877 km (0.034 R)
• M66: 29,591,656 km (0.103 R)
• M67: 29,905,961 km (0.055 R)
• M68: 30,221,612 km (0.118 R)
• M69: 30,909,014 km (0.096 R)
• M70: 31,228,107 km (0.114 R)
• M71: 31,334,620 km (0.063 R)
• M72: 32,030,400 km (0.045 R)
• M73: 32,515,097 km (0.116 R)
• M74: 32,623,107 km (0.116 R)
• M75: 33,437,218 km (0.08 R)
• M76: 34,312,964 km (0.083 R)
• M77: 35,140,839 km (0.091 R)
• M78: 36,031,096 km (0.048 R)
• M79: 36,254,894 km (0.073 R)
• M80: 36,816,186 km (0.084 R)
• M81: 37,550,412 km (0.12 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 14,727 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit