🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.2

Radius: 14

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.48 AU - 0.54 AU

Year: 251 Days

Day: 8.7 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 73,269,492 km

• M1: 174,132 km (0.049 R)
• M2: 751,580 km (0.081 R)
• M3: 1,520,214 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 808.2

Radius: 14

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.45 AU - 0.71 AU

Year: 305 Days

Day: 15 Hours

Environment

Temp: -139 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,269,492 km

• M1: 174,132 km (0.065 R)
• M2: 840,890 km (0.101 R)
• M3: 1,316,162 km (0.105 R)
• M4: 1,768,247 km (0.091 R)
• M5: 2,561,415 km (0.092 R)
• M6: 3,239,392 km (0.08 R)
• M7: 3,997,853 km (0.112 R)
• M8: 4,540,295 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.2

Radius: 10.2

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.66 AU - 0.94 AU

Year: 494 Days

Day: 8.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,269,492 km

• M1: 126,859 km (0.077 R)
• M2: 466,297 km (0.114 R)
• M3: 850,763 km (0.106 R)
• M4: 1,247,197 km (0.115 R)
• M5: 1,588,729 km (0.12 R)
• M6: 1,993,541 km (0.091 R)
• M7: 2,336,868 km (0.076 R)
• M8: 2,841,911 km (0.112 R)
• M9: 3,831,201 km (0.063 R)
• M10: 4,202,803 km (0.114 R)
• M11: 4,614,197 km (0.092 R)
• M12: 5,447,307 km (0.099 R)
• M13: 5,789,138 km (0.106 R)
• M14: 6,880,904 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 164.1

Radius: 11.5

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.92 AU - 3.34 AU

Year: 3822 Days

Day: 8.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 47.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,269,492 km

• M1: 143,016 km (0.103 R)
• M2: 671,395 km (0.073 R)
• M3: 1,137,393 km (0.078 R)
• M4: 1,705,117 km (0.06 R)
• M5: 3,050,600 km (0.091 R)
• M6: 3,899,717 km (0.106 R)
• M7: 4,468,937 km (0.115 R)
• M8: 7,687,236 km (0.044 R)
• M9: 10,444,325 km (0.067 R)
• M10: 11,582,615 km (0.118 R)
• M11: 12,083,768 km (0.1 R)
• M12: 13,421,323 km (0.098 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183

Radius: 6.9

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 7.49 AU - 11.15 AU

Year: 19640 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 0.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,269,492 km

• M1: 85,869 km (0.118 R)
• M2: 310,864 km (0.06 R)
• M3: 593,455 km (0.065 R)
• M4: 1,047,634 km (0.047 R)
• M5: 1,553,574 km (0.115 R)
• M6: 2,193,703 km (0.082 R)
• M7: 2,758,734 km (0.047 R)
• M8: 3,540,084 km (0.095 R)
• M9: 4,036,599 km (0.111 R)
• M10: 5,876,653 km (0.1 R)
• M11: 6,346,989 km (0.11 R)
• M12: 11,715,757 km (0.025 R)
• M13: 12,170,236 km (0.044 R)
• M14: 12,401,963 km (0.096 R)
• M15: 13,542,796 km (0.041 R)
• M16: 13,980,220 km (0.092 R)
• M17: 15,148,280 km (0.079 R)
• M18: 17,603,481 km (0.061 R)
• M19: 19,197,296 km (0.097 R)
• M20: 19,511,452 km (0.084 R)
• M21: 21,050,814 km (0.08 R)
• M22: 23,020,420 km (0.098 R)
• M23: 23,464,276 km (0.117 R)
• M24: 24,369,194 km (0.083 R)
• M25: 29,141,665 km (0.057 R)
• M26: 29,975,823 km (0.08 R)
• M27: 35,552,981 km (0.067 R)
• M28: 37,964,948 km (0.096 R)
• M29: 38,584,432 km (0.114 R)
• M30: 45,991,621 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 573.2

Radius: 6.5

Gravity: 13.57 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.24 AU - 12.04 AU

Year: 20660 Days

Day: 24.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 73,269,492 km

• M1: 82,428 km (0.076 R)
• M2: 391,946 km (0.046 R)
• M3: 598,840 km (0.098 R)
• M4: 903,422 km (0.105 R)
• M5: 1,210,696 km (0.111 R)
• M6: 1,602,941 km (0.103 R)
• M7: 4,489,432 km (0.112 R)
• M8: 4,729,836 km (0.111 R)
• M9: 5,125,073 km (0.09 R)
• M10: 6,794,735 km (0.114 R)
• M11: 7,631,137 km (0.115 R)
• M12: 10,854,074 km (0.12 R)
• M13: 11,225,525 km (0.089 R)
• M14: 12,059,384 km (0.112 R)
• M15: 13,072,161 km (0.072 R)
• M16: 15,810,700 km (0.037 R)
• M17: 16,530,415 km (0.12 R)
• M18: 19,176,951 km (0.073 R)
• M19: 20,459,902 km (0.095 R)
• M20: 24,019,584 km (0.071 R)
• M21: 25,077,091 km (0.089 R)
• M22: 31,453,999 km (0.096 R)
• M23: 33,104,812 km (0.072 R)
• M24: 34,017,359 km (0.067 R)
• M25: 34,946,362 km (0.059 R)
• M26: 38,688,852 km (0.047 R)
• M27: 48,109,778 km (0.113 R)
• M28: 53,970,723 km (0.035 R)
• M29: 56,331,826 km (0.102 R)
• M30: 57,818,530 km (0.094 R)
• M31: 60,097,354 km (0.05 R)
• M32: 63,626,966 km (0.076 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 478 - 18,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit