🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.31

Radius: 1.61

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 0.88 AU - 0.98 AU

Year: 343 Days

Day: 19.5 Hours

Environment

Temp: 21 °C

Axial Tilt: 161.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.95 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.9

Radius: 0.96

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 2.42 AU - 3.48 AU

Year: 1940 Days

Day: 24.6 Hours

Environment

Temp: -108 °C

Axial Tilt: 34.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 101,431,130 km

• M1: 22,440 km (0.039 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.28 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.96

Radius: 1.54

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 2.48 AU - 4.08 AU

Year: 2274 Days

Day: 22.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 39.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 764.8

Radius: 13.3

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.85 AU - 6.55 AU

Year: 5211 Days

Day: 6.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 101,431,130 km

• M1: 165,455 km (0.058 R)
• M2: 795,861 km (0.08 R)
• M3: 1,380,489 km (0.114 R)
• M4: 1,841,251 km (0.113 R)
• M5: 2,454,901 km (0.083 R)
• M6: 3,045,663 km (0.063 R)
• M7: 5,790,934 km (0.07 R)
• M8: 6,777,980 km (0.086 R)
• M9: 7,259,087 km (0.032 R)
• M10: 7,836,834 km (0.074 R)
• M11: 9,208,497 km (0.087 R)
• M12: 10,193,300 km (0.09 R)
• M13: 10,965,524 km (0.105 R)
• M14: 11,582,166 km (0.091 R)
• M15: 12,729,732 km (0.057 R)
• M16: 13,357,743 km (0.115 R)
• M17: 14,394,457 km (0.043 R)
• M18: 16,321,726 km (0.111 R)
• M19: 17,827,578 km (0.106 R)
• M20: 20,327,957 km (0.096 R)
• M21: 20,826,118 km (0.052 R)
• M22: 25,518,405 km (0.071 R)
• M23: 27,027,399 km (0.117 R)
• M24: 28,153,721 km (0.037 R)
• M25: 30,130,806 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 14.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.1

Radius: 3.1

Gravity: 83.67 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 13.18 AU - 15.26 AU

Year: 20531 Days

Day: 16.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 49.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 101,431,130 km

• M1: 41,289 km (0.068 R)
• M2: 226,342 km (0.076 R)
• M3: 360,531 km (0.069 R)
• M4: 907,909 km (0.086 R)
• M5: 1,376,450 km (0.042 R)
• M6: 1,717,982 km (0.079 R)
• M7: 2,009,249 km (0.118 R)
• M8: 2,287,202 km (0.075 R)
• M9: 2,423,934 km (0.118 R)
• M10: 2,566,052 km (0.102 R)
• M11: 2,945,881 km (0.107 R)
• M12: 3,163,247 km (0.072 R)
• M13: 3,784,527 km (0.108 R)
• M14: 4,734,025 km (0.095 R)
• M15: 4,881,528 km (0.077 R)
• M16: 6,350,130 km (0.048 R)
• M17: 7,184,587 km (0.088 R)
• M18: 7,330,445 km (0.112 R)
• M19: 8,300,288 km (0.079 R)
• M20: 13,254,671 km (0.118 R)
• M21: 16,133,233 km (0.085 R)
• M22: 16,551,658 km (0.06 R)
• M23: 24,483,636 km (0.046 R)
• M24: 25,709,441 km (0.079 R)
• M25: 27,092,623 km (0.085 R)
• M26: 28,282,525 km (0.084 R)
• M27: 29,135,831 km (0.061 R)
• M28: 30,638,392 km (0.08 R)
• M29: 31,150,615 km (0.118 R)
• M30: 43,748,701 km (0.111 R)
• M31: 49,297,435 km (0.11 R)
• M32: 59,754,326 km (0.077 R)
• M33: 59,953,291 km (0.105 R)
• M34: 61,764,772 km (0.084 R)
• M35: 65,708,022 km (0.044 R)
• M36: 67,417,328 km (0.097 R)
• M37: 73,861,854 km (0.108 R)
• M38: 77,824,253 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 14.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.7

Radius: 7.1

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 14.02 AU - 15.16 AU

Year: 21338 Days

Day: 22 Hours

Environment

Temp: -204 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 101,431,130 km

• M1: 88,562 km (0.08 R)
• M2: 2,188,916 km (0.108 R)
• M3: 3,593,191 km (0.075 R)
• M4: 8,767,931 km (0.111 R)
• M5: 9,005,941 km (0.079 R)
• M6: 9,746,002 km (0.096 R)
• M7: 10,419,641 km (0.094 R)
• M8: 11,515,894 km (0.076 R)
• M9: 13,426,708 km (0.102 R)
• M10: 16,747,631 km (0.11 R)
• M11: 17,864,529 km (0.117 R)
• M12: 18,093,713 km (0.059 R)
• M13: 20,328,705 km (0.116 R)
• M14: 40,930,725 km (0.092 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.8

Radius: 6.3

Gravity: 20.15 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 13.66 AU - 21.72 AU

Year: 28488 Days

Day: 19 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 101,431,130 km

• M1: 79,436 km (0.102 R)
• M2: 387,309 km (0.117 R)
• M3: 650,003 km (0.105 R)
• M4: 901,327 km (0.07 R)
• M5: 1,187,209 km (0.115 R)
• M6: 1,605,634 km (0.097 R)
• M7: 2,303,209 km (0.072 R)
• M8: 2,499,481 km (0.059 R)
• M9: 6,090,429 km (0.115 R)
• M10: 6,911,422 km (0.114 R)
• M11: 11,217,297 km (0.071 R)
• M12: 11,929,533 km (0.108 R)
• M13: 15,167,429 km (0.117 R)
• M14: 23,653,817 km (0.086 R)
• M15: 28,952,723 km (0.062 R)
• M16: 38,542,096 km (0.074 R)
• M17: 40,322,012 km (0.088 R)
• M18: 52,557,023 km (0.095 R)
• M19: 53,345,105 km (0.068 R)
• M20: 55,553,169 km (0.081 R)
• M21: 55,756,772 km (0.12 R)
• M22: 63,204,502 km (0.104 R)
• M23: 70,093,634 km (0.099 R)
• M24: 92,294,556 km (0.06 R)
• M25: 97,233,679 km (0.119 R)
• M26: 98,123,188 km (0.088 R)
• M27: 100,521,691 km (0.08 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 11,098 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit