🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.4

Radius: 9.2

Gravity: 3.57 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 0.78 AU - 1.24 AU

Year: 688 Days

Day: 15 Hours

Environment

Temp: -183 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,441,912 km

• M1: 114,442 km (0.094 R)
• M2: 409,449 km (0.086 R)
• M3: 984,952 km (0.092 R)
• M4: 1,362,687 km (0.054 R)
• M5: 1,721,273 km (0.106 R)
• M6: 2,065,199 km (0.098 R)
• M7: 2,818,424 km (0.048 R)
• M8: 3,981,248 km (0.096 R)
• M9: 4,413,137 km (0.12 R)
• M10: 5,063,738 km (0.092 R)
• M11: 5,371,012 km (0.099 R)
• M12: 5,987,505 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.1

Radius: 12.4

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.17 AU - 2.49 AU

Year: 2412 Days

Day: 10.4 Hours

Environment

Temp: -202 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,441,912 km

• M1: 154,235 km (0.07 R)
• M2: 696,378 km (0.084 R)
• M3: 1,139,637 km (0.107 R)
• M4: 1,649,017 km (0.075 R)
• M5: 2,701,738 km (0.118 R)
• M6: 3,139,461 km (0.078 R)
• M7: 3,624,756 km (0.115 R)
• M8: 4,109,005 km (0.095 R)
• M9: 4,822,138 km (0.073 R)
• M10: 5,512,532 km (0.115 R)
• M11: 6,133,513 km (0.112 R)
• M12: 7,515,647 km (0.088 R)
• M13: 8,010,966 km (0.109 R)
• M14: 8,780,497 km (0.088 R)
• M15: 9,449,050 km (0.079 R)
• M16: 10,467,213 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 557.5

Radius: 14.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.76 AU - 3.78 AU

Year: 4011 Days

Day: 13.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 71,441,912 km

• M1: 176,525 km (0.092 R)
• M2: 747,840 km (0.099 R)
• M3: 1,390,512 km (0.066 R)
• M4: 1,953,898 km (0.112 R)
• M5: 3,019,184 km (0.109 R)
• M6: 3,476,954 km (0.112 R)
• M7: 4,218,510 km (0.093 R)
• M8: 5,113,704 km (0.116 R)
• M9: 5,934,996 km (0.088 R)
• M10: 6,480,879 km (0.117 R)
• M11: 8,643,017 km (0.076 R)
• M12: 10,410,665 km (0.072 R)
• M13: 10,993,798 km (0.112 R)
• M14: 11,467,126 km (0.045 R)
• M15: 11,954,216 km (0.111 R)
• M16: 14,497,380 km (0.042 R)
• M17: 16,032,404 km (0.119 R)
• M18: 17,095,446 km (0.094 R)
• M19: 18,384,232 km (0.049 R)
• M20: 20,181,052 km (0.04 R)
• M21: 21,620,333 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 914.1

Radius: 7.1

Gravity: 18.13 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 6.5 AU - 9.78 AU

Year: 15752 Days

Day: 18.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 71,441,912 km

• M1: 90,806 km (0.057 R)
• M2: 364,420 km (0.104 R)
• M3: 676,482 km (0.097 R)
• M4: 2,470,459 km (0.055 R)
• M5: 5,188,204 km (0.078 R)
• M6: 6,765,265 km (0.062 R)
• M7: 10,771,495 km (0.097 R)
• M8: 11,512,155 km (0.108 R)
• M9: 12,889,502 km (0.078 R)
• M10: 15,270,651 km (0.116 R)
• M11: 17,508,636 km (0.057 R)
• M12: 20,509,120 km (0.112 R)
• M13: 21,548,825 km (0.05 R)
• M14: 29,237,557 km (0.091 R)
• M15: 30,918,888 km (0.104 R)
• M16: 43,292,577 km (0.091 R)
• M17: 43,908,321 km (0.088 R)
• M18: 53,328,200 km (0.088 R)
• M19: 59,353,404 km (0.03 R)
• M20: 63,217,367 km (0.115 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 17,094 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit