🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.05 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.6

Radius: 14.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.9 AU - 2.3 AU

Year: 2101 Days

Day: 14.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 103.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 50,946,021 km

• M1: 181,612 km (0.063 R)
• M2: 686,205 km (0.048 R)
• M3: 1,267,094 km (0.062 R)
• M4: 1,734,438 km (0.109 R)
• M5: 2,781,922 km (0.109 R)
• M6: 4,538,500 km (0.051 R)
• M7: 5,825,491 km (0.114 R)
• M8: 6,321,258 km (0.084 R)
• M9: 6,948,073 km (0.102 R)
• M10: 7,671,528 km (0.119 R)
• M11: 8,896,436 km (0.089 R)
• M12: 10,832,831 km (0.105 R)
• M13: 13,276,362 km (0.047 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 208.7

Radius: 11.8

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.06 AU - 2.98 AU

Year: 2761 Days

Day: 14.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 19.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 50,946,021 km

• M1: 146,756 km (0.115 R)
• M2: 561,590 km (0.117 R)
• M3: 1,207,554 km (0.104 R)
• M4: 1,578,557 km (0.102 R)
• M5: 2,772,946 km (0.105 R)
• M6: 3,309,404 km (0.107 R)
• M7: 4,143,711 km (0.1 R)
• M8: 5,113,106 km (0.119 R)
• M9: 7,284,070 km (0.115 R)
• M10: 9,025,688 km (0.094 R)
• M11: 9,652,952 km (0.111 R)
• M12: 13,354,752 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.7

Radius: 8.2

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 4.2 AU - 5.78 AU

Year: 7694 Days

Day: 9.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 50,946,021 km

• M1: 102,475 km (0.099 R)
• M2: 480,658 km (0.043 R)
• M3: 758,012 km (0.075 R)
• M4: 1,082,640 km (0.107 R)
• M5: 1,957,937 km (0.068 R)
• M6: 2,378,307 km (0.115 R)
• M7: 4,139,971 km (0.098 R)
• M8: 5,476,628 km (0.112 R)
• M9: 5,801,555 km (0.056 R)
• M10: 6,707,221 km (0.071 R)
• M11: 7,194,012 km (0.119 R)
• M12: 7,825,315 km (0.116 R)
• M13: 8,322,578 km (0.083 R)
• M14: 10,674,107 km (0.059 R)
• M15: 11,079,368 km (0.118 R)
• M16: 12,302,031 km (0.075 R)
• M17: 14,453,697 km (0.047 R)
• M18: 15,139,005 km (0.104 R)
• M19: 15,976,604 km (0.113 R)
• M20: 16,373,487 km (0.065 R)
• M21: 16,981,153 km (0.089 R)
• M22: 23,994,601 km (0.039 R)
• M23: 27,420,243 km (0.073 R)
• M24: 31,674,357 km (0.067 R)
• M25: 36,121,603 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.8

Radius: 10.4

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.2 AU - 6.04 AU

Year: 7997 Days

Day: 10.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 50,946,021 km

• M1: 129,402 km (0.099 R)
• M2: 534,812 km (0.06 R)
• M3: 903,272 km (0.113 R)
• M4: 1,564,794 km (0.035 R)
• M5: 2,145,383 km (0.116 R)
• M6: 2,524,763 km (0.119 R)
• M7: 3,078,874 km (0.067 R)
• M8: 3,890,143 km (0.067 R)
• M9: 4,290,766 km (0.104 R)
• M10: 4,660,273 km (0.119 R)
• M11: 5,594,960 km (0.071 R)
• M12: 5,967,609 km (0.119 R)
• M13: 9,384,574 km (0.057 R)
• M14: 9,814,518 km (0.095 R)
• M15: 10,714,199 km (0.092 R)
• M16: 11,451,119 km (0.116 R)
• M17: 12,053,699 km (0.082 R)
• M18: 12,677,223 km (0.083 R)
• M19: 13,026,235 km (0.099 R)
• M20: 13,682,969 km (0.061 R)
• M21: 16,326,513 km (0.055 R)
• M22: 19,833,387 km (0.116 R)
• M23: 21,928,355 km (0.104 R)
• M24: 26,459,226 km (0.089 R)
• M25: 27,609,334 km (0.096 R)
• M26: 28,196,805 km (0.063 R)
• M27: 32,871,589 km (0.094 R)
• M28: 36,728,820 km (0.089 R)
• M29: 40,373,922 km (0.114 R)
• M30: 44,788,854 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.5

Radius: 4.8

Gravity: 42.21 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.59 AU - 6.65 AU

Year: 9196 Days

Day: 18.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 50,946,021 km

• M1: 60,288 km (0.07 R)
• M2: 817,253 km (0.082 R)
• M3: 1,250,040 km (0.114 R)
• M4: 1,433,596 km (0.111 R)
• M5: 2,077,466 km (0.062 R)
• M6: 3,965,989 km (0.092 R)
• M7: 4,821,539 km (0.111 R)
• M8: 5,110,263 km (0.092 R)
• M9: 5,376,697 km (0.091 R)
• M10: 8,251,819 km (0.107 R)
• M11: 8,665,157 km (0.116 R)
• M12: 9,286,437 km (0.115 R)
• M13: 14,490,648 km (0.039 R)
• M14: 16,130,690 km (0.03 R)
• M15: 18,195,589 km (0.114 R)
• M16: 20,347,405 km (0.097 R)
• M17: 22,663,180 km (0.101 R)
• M18: 25,148,599 km (0.093 R)
• M19: 25,531,719 km (0.045 R)
• M20: 27,002,715 km (0.097 R)
• M21: 31,420,639 km (0.095 R)
• M22: 38,659,531 km (0.115 R)
• M23: 44,940,098 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 13,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit