🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.4

Radius: 9

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.73 AU - 0.81 AU

Year: 451 Days

Day: 10.1 Hours

Environment

Temp: -158 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 69,168,419 km

• M1: 112,049 km (0.073 R)
• M2: 448,494 km (0.078 R)
• M3: 872,754 km (0.052 R)
• M4: 1,515,426 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.9

Radius: 14.1

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.8 AU - 0.98 AU

Year: 560 Days

Day: 8.7 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,168,419 km

• M1: 175,329 km (0.093 R)
• M2: 614,099 km (0.111 R)
• M3: 1,264,252 km (0.051 R)
• M4: 1,731,745 km (0.096 R)
• M5: 2,404,786 km (0.101 R)
• M6: 2,940,047 km (0.116 R)
• M7: 3,709,578 km (0.088 R)
• M8: 5,195,983 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.9

Radius: 14.6

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.9 AU - 1.46 AU

Year: 855 Days

Day: 9.7 Hours

Environment

Temp: -172 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 69,168,419 km

• M1: 181,612 km (0.107 R)
• M2: 685,308 km (0.12 R)
• M3: 1,227,899 km (0.086 R)
• M4: 1,754,783 km (0.06 R)
• M5: 2,302,311 km (0.106 R)
• M6: 2,925,536 km (0.098 R)
• M7: 3,469,175 km (0.117 R)
• M8: 3,968,383 km (0.12 R)
• M9: 4,727,143 km (0.108 R)
• M10: 5,540,806 km (0.104 R)
• M11: 6,227,311 km (0.074 R)
• M12: 6,946,727 km (0.033 R)
• M13: 7,424,094 km (0.091 R)
• M14: 7,923,451 km (0.098 R)
• M15: 8,606,066 km (0.07 R)
• M16: 10,362,944 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.1

Radius: 13.8

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 1.11 AU - 1.61 AU

Year: 1058 Days

Day: 12.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,168,419 km

• M1: 171,589 km (0.078 R)
• M2: 661,522 km (0.093 R)
• M3: 1,152,951 km (0.111 R)
• M4: 1,640,191 km (0.045 R)
• M5: 2,288,847 km (0.036 R)
• M6: 3,036,687 km (0.107 R)
• M7: 3,611,891 km (0.102 R)
• M8: 4,575,600 km (0.073 R)
• M9: 5,041,149 km (0.058 R)
• M10: 5,852,269 km (0.092 R)
• M11: 6,608,785 km (0.115 R)
• M12: 7,205,830 km (0.068 R)
• M13: 8,263,188 km (0.092 R)
• M14: 9,129,509 km (0.072 R)
• M15: 10,749,953 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 880.7

Radius: 9

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.31 AU - 1.69 AU

Year: 1225 Days

Day: 13.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 69,168,419 km

• M1: 111,899 km (0.117 R)
• M2: 394,639 km (0.09 R)
• M3: 800,199 km (0.111 R)
• M4: 1,168,210 km (0.041 R)
• M5: 1,512,584 km (0.087 R)
• M6: 2,186,373 km (0.12 R)
• M7: 2,689,620 km (0.043 R)
• M8: 4,502,148 km (0.113 R)
• M9: 5,192,991 km (0.116 R)
• M10: 5,488,596 km (0.036 R)
• M11: 6,044,352 km (0.025 R)
• M12: 6,419,394 km (0.109 R)
• M13: 6,834,828 km (0.072 R)
• M14: 7,692,771 km (0.072 R)
• M15: 8,475,318 km (0.039 R)
• M16: 9,340,891 km (0.051 R)
• M17: 9,747,648 km (0.113 R)
• M18: 10,133,461 km (0.092 R)
• M19: 11,073,384 km (0.058 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 606.2

Radius: 5.4

Gravity: 20.79 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.11 AU - 9.17 AU

Year: 18427 Days

Day: 18.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 69,168,419 km

• M1: 67,618 km (0.039 R)
• M2: 716,275 km (0.104 R)
• M3: 1,584,092 km (0.117 R)
• M4: 1,989,352 km (0.108 R)
• M5: 2,641,898 km (0.096 R)
• M6: 2,855,674 km (0.117 R)
• M7: 3,132,579 km (0.115 R)
• M8: 7,614,083 km (0.107 R)
• M9: 8,048,515 km (0.063 R)
• M10: 9,019,555 km (0.094 R)
• M11: 12,596,739 km (0.112 R)
• M12: 16,297,940 km (0.12 R)
• M13: 17,345,724 km (0.079 R)
• M14: 17,844,184 km (0.081 R)
• M15: 19,307,999 km (0.114 R)
• M16: 20,023,974 km (0.067 R)
• M17: 28,986,682 km (0.064 R)
• M18: 35,447,066 km (0.116 R)
• M19: 39,721,376 km (0.092 R)
• M20: 46,042,933 km (0.039 R)
• M21: 47,964,967 km (0.083 R)
• M22: 50,442,008 km (0.099 R)
• M23: 51,286,189 km (0.09 R)
• M24: 52,656,506 km (0.115 R)
• M25: 54,403,659 km (0.04 R)
• M26: 58,567,566 km (0.058 R)
• M27: 60,632,167 km (0.102 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 466 - 14,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit