🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.73

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.52 AU - 0.66 AU

Year: 297 Days

Day: 31.9 Hours

Environment

Temp: -126 °C

Axial Tilt: 39.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937.1

Radius: 13.5

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.11 AU - 1.65 AU

Year: 1063 Days

Day: 10.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 20.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 51,736,327 km

• M1: 168,148 km (0.069 R)
• M2: 614,548 km (0.073 R)
• M3: 1,205,609 km (0.03 R)
• M4: 1,748,500 km (0.055 R)
• M5: 2,280,620 km (0.09 R)
• M6: 3,056,733 km (0.1 R)
• M7: 4,087,163 km (0.109 R)
• M8: 5,017,662 km (0.092 R)
• M9: 5,692,049 km (0.038 R)
• M10: 6,152,212 km (0.039 R)
• M11: 7,023,770 km (0.069 R)
• M12: 7,949,332 km (0.026 R)
• M13: 8,525,732 km (0.059 R)
• M14: 8,983,651 km (0.116 R)
• M15: 9,980,272 km (0.098 R)
• M16: 10,882,497 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 375.4

Radius: 8.5

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 1.26 AU - 1.76 AU

Year: 1217 Days

Day: 11.3 Hours

Environment

Temp: -170 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,736,327 km

• M1: 106,214 km (0.104 R)
• M2: 414,984 km (0.114 R)
• M3: 757,564 km (0.101 R)
• M4: 1,069,924 km (0.105 R)
• M5: 2,042,909 km (0.112 R)
• M6: 2,650,725 km (0.102 R)
• M7: 3,115,076 km (0.12 R)
• M8: 4,338,189 km (0.112 R)
• M9: 5,169,504 km (0.073 R)
• M10: 6,208,760 km (0.108 R)
• M11: 6,554,930 km (0.077 R)
• M12: 7,573,991 km (0.071 R)
• M13: 8,588,713 km (0.111 R)
• M14: 8,910,199 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 153.7

Radius: 11.7

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 2.05 AU - 2.63 AU

Year: 2348 Days

Day: 5.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,736,327 km

• M1: 145,559 km (0.068 R)
• M2: 517,609 km (0.11 R)
• M3: 1,116,150 km (0.029 R)
• M4: 1,496,727 km (0.119 R)
• M5: 2,291,241 km (0.045 R)
• M6: 2,715,351 km (0.083 R)
• M7: 3,392,132 km (0.07 R)
• M8: 3,850,200 km (0.087 R)
• M9: 4,454,277 km (0.106 R)
• M10: 4,872,851 km (0.115 R)
• M11: 5,317,456 km (0.095 R)
• M12: 5,895,502 km (0.048 R)
• M13: 6,266,505 km (0.088 R)
• M14: 6,983,677 km (0.088 R)
• M15: 7,424,842 km (0.041 R)
• M16: 9,674,644 km (0.101 R)
• M17: 10,922,889 km (0.11 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.7

Radius: 14.2

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.05 AU - 4.59 AU

Year: 4898 Days

Day: 9.2 Hours

Environment

Temp: -204 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 51,736,327 km

• M1: 208,240 km (0.06 R)
• M2: 694,433 km (0.105 R)
• M3: 1,192,594 km (0.108 R)
• M4: 1,869,674 km (0.066 R)
• M5: 3,584,365 km (0.097 R)
• M6: 5,815,168 km (0.116 R)
• M7: 6,698,993 km (0.113 R)
• M8: 7,526,269 km (0.115 R)
• M9: 10,287,995 km (0.117 R)
• M10: 12,068,509 km (0.071 R)
• M11: 12,569,512 km (0.111 R)
• M12: 13,506,444 km (0.065 R)
• M13: 14,545,401 km (0.084 R)
• M14: 16,233,015 km (0.081 R)
• M15: 17,661,824 km (0.111 R)
• M16: 18,505,556 km (0.098 R)
• M17: 19,856,125 km (0.083 R)
• M18: 21,054,853 km (0.073 R)
• M19: 25,265,136 km (0.115 R)
• M20: 26,672,403 km (0.116 R)
• M21: 27,181,335 km (0.112 R)
• M22: 29,552,461 km (0.087 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.7

Radius: 4.6

Gravity: 30.89 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 5.18 AU - 8.3 AU

Year: 11479 Days

Day: 24.6 Hours

Environment

Temp: -233 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 51,736,327 km

• M1: 57,296 km (0.081 R)
• M2: 434,582 km (0.047 R)
• M3: 614,997 km (0.054 R)
• M4: 904,020 km (0.111 R)
• M5: 1,216,081 km (0.116 R)
• M6: 1,626,727 km (0.09 R)
• M7: 2,870,634 km (0.089 R)
• M8: 3,541,430 km (0.067 R)
• M9: 3,941,006 km (0.1 R)
• M10: 4,489,582 km (0.115 R)
• M11: 4,925,211 km (0.073 R)
• M12: 5,952,948 km (0.11 R)
• M13: 7,838,480 km (0.07 R)
• M14: 8,702,258 km (0.097 R)
• M15: 8,939,819 km (0.083 R)
• M16: 10,563,405 km (0.119 R)
• M17: 11,558,081 km (0.104 R)
• M18: 13,102,829 km (0.088 R)
• M19: 13,732,037 km (0.116 R)
• M20: 14,914,758 km (0.037 R)
• M21: 15,118,211 km (0.119 R)
• M22: 15,461,538 km (0.111 R)
• M23: 16,960,509 km (0.102 R)
• M24: 20,078,727 km (0.069 R)
• M25: 21,254,566 km (0.081 R)
• M26: 21,685,408 km (0.066 R)
• M27: 23,650,376 km (0.119 R)
• M28: 24,960,854 km (0.12 R)
• M29: 27,419,943 km (0.096 R)
• M30: 32,244,774 km (0.099 R)
• M31: 41,625,608 km (0.101 R)
• M32: 43,255,626 km (0.03 R)
• M33: 43,669,713 km (0.058 R)
• M34: 44,786,611 km (0.066 R)
• M35: 47,223,410 km (0.105 R)
• M36: 48,103,943 km (0.118 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 16,714 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit