🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105

Radius: 10.9

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.44 AU - 0.7 AU

Year: 287 Days

Day: 11.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 43,183,202 km

• M1: 135,536 km (0.068 R)
• M2: 490,831 km (0.079 R)
• M3: 1,000,211 km (0.059 R)
• M4: 1,377,497 km (0.111 R)
• M5: 1,868,029 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.6

Radius: 12.4

Gravity: 5.99 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.78 AU - 1.1 AU

Year: 608 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,183,202 km

• M1: 154,235 km (0.088 R)
• M2: 557,402 km (0.062 R)
• M3: 1,052,870 km (0.113 R)
• M4: 1,489,396 km (0.068 R)
• M5: 1,887,626 km (0.065 R)
• M6: 2,482,577 km (0.076 R)
• M7: 3,526,321 km (0.098 R)
• M8: 3,962,698 km (0.085 R)
• M9: 5,792,878 km (0.055 R)
• M10: 6,444,377 km (0.057 R)
• M11: 6,948,372 km (0.049 R)
• M12: 7,524,175 km (0.049 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 360.2

Radius: 9.4

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.85 AU - 1.33 AU

Year: 759 Days

Day: 11.3 Hours

Environment

Temp: -176 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 43,183,202 km

• M1: 116,836 km (0.094 R)
• M2: 451,187 km (0.105 R)
• M3: 746,493 km (0.064 R)
• M4: 1,086,679 km (0.104 R)
• M5: 1,695,093 km (0.059 R)
• M6: 2,121,896 km (0.08 R)
• M7: 3,039,380 km (0.053 R)
• M8: 3,529,612 km (0.113 R)
• M9: 4,230,478 km (0.116 R)
• M10: 5,237,721 km (0.111 R)
• M11: 5,852,269 km (0.063 R)
• M12: 6,186,620 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.3

Radius: 8.3

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.81 AU - 2.57 AU

Year: 2161 Days

Day: 7.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,183,202 km

• M1: 103,223 km (0.086 R)
• M2: 1,146,368 km (0.038 R)
• M3: 1,440,029 km (0.119 R)
• M4: 1,721,423 km (0.12 R)
• M5: 2,489,907 km (0.119 R)
• M6: 3,908,394 km (0.106 R)
• M7: 8,386,307 km (0.096 R)
• M8: 10,402,138 km (0.093 R)
• M9: 12,559,340 km (0.107 R)
• M10: 15,180,743 km (0.05 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.4

Radius: 13.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.78 AU - 3.84 AU

Year: 4016 Days

Day: 5.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 43,183,202 km

• M1: 170,392 km (0.073 R)
• M2: 597,793 km (0.054 R)
• M3: 2,596,869 km (0.107 R)
• M4: 3,298,035 km (0.079 R)
• M5: 4,060,984 km (0.106 R)
• M6: 5,299,355 km (0.112 R)
• M7: 6,210,256 km (0.082 R)
• M8: 8,512,119 km (0.116 R)
• M9: 9,429,004 km (0.105 R)
• M10: 10,255,532 km (0.076 R)
• M11: 10,766,260 km (0.079 R)
• M12: 11,796,241 km (0.093 R)
• M13: 12,800,940 km (0.093 R)
• M14: 14,196,240 km (0.055 R)
• M15: 17,342,732 km (0.076 R)
• M16: 18,239,421 km (0.049 R)
• M17: 19,284,961 km (0.096 R)
• M18: 20,493,263 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.3

Radius: 3.8

Gravity: 40.39 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.21 AU - 6.35 AU

Year: 9267 Days

Day: 20.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 43,183,202 km

• M1: 47,273 km (0.066 R)
• M2: 170,841 km (0.037 R)
• M3: 506,538 km (0.095 R)
• M4: 673,938 km (0.109 R)
• M5: 974,032 km (0.098 R)
• M6: 1,177,335 km (0.054 R)
• M7: 2,566,800 km (0.061 R)
• M8: 2,934,063 km (0.102 R)
• M9: 3,848,405 km (0.075 R)
• M10: 4,356,440 km (0.052 R)
• M11: 4,497,211 km (0.089 R)
• M12: 4,877,639 km (0.116 R)
• M13: 5,215,879 km (0.078 R)
• M14: 6,578,866 km (0.069 R)
• M15: 6,953,459 km (0.095 R)
• M16: 8,077,836 km (0.062 R)
• M17: 10,032,183 km (0.04 R)
• M18: 12,168,889 km (0.066 R)
• M19: 13,372,703 km (0.077 R)
• M20: 14,590,729 km (0.041 R)
• M21: 17,105,170 km (0.063 R)
• M22: 18,611,621 km (0.087 R)
• M23: 19,208,067 km (0.11 R)
• M24: 21,234,371 km (0.076 R)
• M25: 22,298,909 km (0.115 R)
• M26: 23,484,622 km (0.074 R)
• M27: 24,356,927 km (0.114 R)
• M28: 27,197,940 km (0.109 R)
• M29: 28,747,325 km (0.061 R)
• M30: 32,126,442 km (0.055 R)
• M31: 33,091,947 km (0.091 R)
• M32: 38,330,565 km (0.111 R)
• M33: 39,416,197 km (0.071 R)
• M34: 40,522,323 km (0.096 R)
• M35: 42,667,706 km (0.104 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 548 - 17,087 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit