🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.9

Radius: 12.2

Gravity: 2.57 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.61 AU - 1.01 AU

Year: 503 Days

Day: 14.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,192,818 km

• M1: 151,991 km (0.114 R)
• M2: 789,877 km (0.043 R)
• M3: 1,529,189 km (0.045 R)
• M4: 1,915,002 km (0.071 R)
• M5: 2,438,595 km (0.108 R)
• M6: 3,524,975 km (0.12 R)
• M7: 4,304,529 km (0.108 R)
• M8: 4,925,061 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.9

Radius: 11.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 0.78 AU - 1.14 AU

Year: 649 Days

Day: 5.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 35,192,818 km

• M1: 143,165 km (0.08 R)
• M2: 504,594 km (0.064 R)
• M3: 884,871 km (0.09 R)
• M4: 1,610,421 km (0.041 R)
• M5: 2,373,819 km (0.091 R)
• M6: 2,859,115 km (0.102 R)
• M7: 4,281,341 km (0.072 R)
• M8: 4,945,556 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.7

Radius: 10.7

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.77 AU - 1.15 AU

Year: 649 Days

Day: 10.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 35,192,818 km

• M1: 133,740 km (0.054 R)
• M2: 546,930 km (0.112 R)
• M3: 879,935 km (0.041 R)
• M4: 1,222,215 km (0.091 R)
• M5: 2,060,411 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.2

Radius: 9.2

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.22 AU - 1.62 AU

Year: 1168 Days

Day: 9.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,192,818 km

• M1: 115,340 km (0.077 R)
• M2: 504,594 km (0.114 R)
• M3: 839,992 km (0.091 R)
• M4: 1,362,388 km (0.053 R)
• M5: 2,099,457 km (0.079 R)
• M6: 3,235,952 km (0.104 R)
• M7: 3,674,722 km (0.098 R)
• M8: 4,604,622 km (0.115 R)
• M9: 5,588,079 km (0.081 R)
• M10: 5,898,943 km (0.059 R)
• M11: 7,536,741 km (0.063 R)
• M12: 8,185,696 km (0.049 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.6

Radius: 8.6

Gravity: 11.14 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.98 AU - 2.64 AU

Year: 2423 Days

Day: 7.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 35,192,818 km

• M1: 107,411 km (0.109 R)
• M2: 382,821 km (0.098 R)
• M3: 796,010 km (0.027 R)
• M4: 1,525,599 km (0.084 R)
• M5: 1,855,163 km (0.089 R)
• M6: 2,232,150 km (0.102 R)
• M7: 2,861,658 km (0.098 R)
• M8: 3,209,772 km (0.068 R)
• M9: 3,756,253 km (0.056 R)
• M10: 4,195,323 km (0.112 R)
• M11: 4,803,288 km (0.107 R)
• M12: 5,518,516 km (0.047 R)
• M13: 6,302,857 km (0.101 R)
• M14: 6,750,604 km (0.087 R)
• M15: 7,070,594 km (0.069 R)
• M16: 8,027,272 km (0.089 R)
• M17: 9,067,875 km (0.032 R)
• M18: 9,639,040 km (0.072 R)
• M19: 10,813,532 km (0.116 R)
• M20: 12,123,112 km (0.114 R)
• M21: 12,640,422 km (0.065 R)
• M22: 13,082,783 km (0.119 R)
• M23: 13,765,547 km (0.105 R)
• M24: 17,162,167 km (0.12 R)
• M25: 18,995,938 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 653.5

Radius: 5.6

Gravity: 20.84 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 4.76 AU - 7.78 AU

Year: 10837 Days

Day: 16.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,192,818 km

• M1: 69,713 km (0.061 R)
• M2: 258,356 km (0.064 R)
• M3: 563,685 km (0.071 R)
• M4: 1,269,637 km (0.101 R)
• M5: 2,219,434 km (0.108 R)
• M6: 2,776,088 km (0.095 R)
• M7: 3,674,572 km (0.091 R)
• M8: 4,304,529 km (0.11 R)
• M9: 4,660,572 km (0.094 R)
• M10: 5,330,621 km (0.085 R)
• M11: 7,059,972 km (0.119 R)
• M12: 7,263,575 km (0.117 R)
• M13: 8,568,517 km (0.064 R)
• M14: 9,870,318 km (0.11 R)
• M15: 10,280,066 km (0.098 R)
• M16: 10,541,863 km (0.065 R)
• M17: 12,265,380 km (0.08 R)
• M18: 13,163,266 km (0.119 R)
• M19: 13,472,036 km (0.074 R)
• M20: 13,722,613 km (0.087 R)
• M21: 14,232,891 km (0.059 R)
• M22: 14,955,150 km (0.109 R)
• M23: 22,677,840 km (0.08 R)
• M24: 23,661,895 km (0.102 R)
• M25: 36,191,016 km (0.067 R)
• M26: 36,553,941 km (0.088 R)
• M27: 47,291,776 km (0.116 R)
• M28: 48,161,838 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.1

Radius: 3.4

Gravity: 10.99 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 6.46 AU - 8.84 AU

Year: 14605 Days

Day: 21.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 35,192,818 km

• M1: 43,084 km (0.084 R)
• M2: 205,996 km (0.113 R)
• M3: 331,958 km (0.079 R)
• M4: 1,183,319 km (0.066 R)
• M5: 1,793,978 km (0.102 R)
• M6: 2,079,560 km (0.041 R)
• M7: 2,360,056 km (0.1 R)
• M8: 2,895,916 km (0.105 R)
• M9: 3,599,325 km (0.065 R)
• M10: 3,978,406 km (0.109 R)
• M11: 4,305,576 km (0.112 R)
• M12: 5,638,942 km (0.111 R)
• M13: 5,922,430 km (0.047 R)
• M14: 7,711,022 km (0.102 R)
• M15: 8,139,022 km (0.028 R)
• M16: 9,085,079 km (0.089 R)
• M17: 9,213,733 km (0.1 R)
• M18: 14,401,937 km (0.093 R)
• M19: 15,169,972 km (0.042 R)
• M20: 15,350,986 km (0.075 R)
• M21: 19,211,209 km (0.112 R)
• M22: 19,352,280 km (0.111 R)
• M23: 19,851,787 km (0.12 R)
• M24: 20,432,825 km (0.105 R)
• M25: 21,175,130 km (0.109 R)
• M26: 24,242,185 km (0.104 R)
• M27: 29,237,707 km (0.044 R)
• M28: 32,621,910 km (0.07 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 412 - 17,712 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit