🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.96 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.14

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.74 AU - 1.18 AU

Year: 335 Days

Day: 39.7 Hours

Environment

Temp: 132 °C

Axial Tilt: 12.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 37,479,718 km

• M1: 96,939 km (0.091 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.24

Radius: 0.57

Gravity: 0.74 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.82 AU - 2.32 AU

Year: 1062 Days

Day: 35.9 Hours

Environment

Temp: -54 °C

Axial Tilt: 3.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.16 AU - 3.42 AU

Year: 2127 Days

Day: 31.3 Hours

Environment

Temp: -108 °C

Axial Tilt: 9.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 37,479,718 km

• M1: 629,957 km (0.053 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.79 AU - 4.15 AU

Year: 2304 Days

Day: 19.9 Hours

Environment

Temp: -101 °C

Axial Tilt: 14.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 7.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 31.9

Radius: 10.6

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.23 AU - 8.87 AU

Year: 7395 Days

Day: 13.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 28.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (54)

Outer Limit: 37,479,718 km

• M1: 147,952 km (0.091 R)
• M2: 287,976 km (0.095 R)
• M3: 390,600 km (0.106 R)
• M4: 509,082 km (0.106 R)
• M5: 756,666 km (0.03 R)
• M6: 855,849 km (0.059 R)
• M7: 927,208 km (0.065 R)
• M8: 1,189,752 km (0.102 R)
• M9: 1,447,509 km (0.042 R)
• M10: 1,622,838 km (0.051 R)
• M11: 2,005,359 km (0.087 R)
• M12: 2,212,702 km (0.039 R)
• M13: 2,279,722 km (0.061 R)
• M14: 2,852,682 km (0.094 R)
• M15: 2,999,737 km (0.088 R)
• M16: 3,508,220 km (0.114 R)
• M17: 3,679,210 km (0.076 R)
• M18: 3,812,801 km (0.108 R)
• M19: 3,947,888 km (0.119 R)
• M20: 4,167,497 km (0.041 R)
• M21: 4,334,897 km (0.097 R)
• M22: 5,130,309 km (0.112 R)
• M23: 5,445,961 km (0.081 R)
• M24: 5,537,365 km (0.098 R)
• M25: 5,660,035 km (0.051 R)
• M26: 5,737,078 km (0.035 R)
• M27: 6,080,555 km (0.101 R)
• M28: 6,159,543 km (0.12 R)
• M29: 6,398,600 km (0.086 R)
• M30: 6,705,874 km (0.089 R)
• M31: 6,836,623 km (0.049 R)
• M32: 7,452,816 km (0.108 R)
• M33: 7,896,374 km (0.026 R)
• M34: 8,051,956 km (0.092 R)
• M35: 8,471,877 km (0.092 R)
• M36: 8,560,289 km (0.105 R)
• M37: 8,666,653 km (0.056 R)
• M38: 9,205,655 km (0.11 R)
• M39: 9,589,373 km (0.12 R)
• M40: 9,681,525 km (0.064 R)
• M41: 10,240,722 km (0.069 R)
• M42: 10,353,818 km (0.112 R)
• M43: 10,505,211 km (0.095 R)
• M44: 11,041,071 km (0.105 R)
• M45: 11,176,307 km (0.08 R)
• M46: 11,566,159 km (0.048 R)
• M47: 11,664,296 km (0.073 R)
• M48: 11,920,856 km (0.079 R)
• M49: 12,701,458 km (0.061 R)
• M50: 12,843,276 km (0.103 R)
• M51: 13,006,188 km (0.09 R)
• M52: 13,108,214 km (0.106 R)
• M53: 13,190,044 km (0.061 R)
• M54: 13,664,120 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 19.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 37.4

Radius: 3.2

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 17.18 AU - 20.88 AU

Year: 29591 Days

Day: 19.6 Hours

Environment

Temp: -195 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 37,479,718 km

• M1: 83,027 km (0.114 R)
• M2: 215,271 km (0.039 R)
• M3: 1,876,256 km (0.107 R)
• M4: 2,641,001 km (0.064 R)
• M5: 4,889,307 km (0.066 R)
• M6: 6,008,150 km (0.099 R)
• M7: 6,439,590 km (0.072 R)
• M8: 8,160,564 km (0.112 R)
• M9: 8,844,675 km (0.09 R)
• M10: 11,379,461 km (0.081 R)
• M11: 14,937,946 km (0.091 R)
• M12: 15,478,144 km (0.062 R)
• M13: 17,309,970 km (0.075 R)
• M14: 17,701,916 km (0.096 R)
• M15: 18,140,986 km (0.095 R)
• M16: 19,164,086 km (0.083 R)
• M17: 19,299,023 km (0.066 R)
• M18: 19,795,987 km (0.066 R)
• M19: 19,977,898 km (0.091 R)
• M20: 21,732,382 km (0.093 R)
• M21: 21,966,951 km (0.103 R)
• M22: 24,115,027 km (0.038 R)
• M23: 25,140,072 km (0.117 R)
• M24: 25,386,160 km (0.084 R)
• M25: 26,179,328 km (0.095 R)
• M26: 26,278,960 km (0.111 R)
• M27: 27,131,519 km (0.064 R)
• M28: 29,018,397 km (0.1 R)
• M29: 32,059,871 km (0.064 R)
• M30: 33,455,769 km (0.089 R)
• M31: 35,697,044 km (0.109 R)
• M32: 36,696,208 km (0.059 R)

Kuiper Belt

Range: 30.8 - 56.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 326 - 16,345 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit