🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.6

Radius: 11.2

Gravity: 4.48 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.9 AU - 1.18 AU

Year: 732 Days

Day: 12.2 Hours

Environment

Temp: -177 °C

Axial Tilt: 114.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 67,812,342 km

• M1: 145,708 km (0.074 R)
• M2: 565,779 km (0.049 R)
• M3: 1,144,274 km (0.061 R)
• M4: 1,552,377 km (0.092 R)
• M5: 2,031,090 km (0.113 R)
• M6: 3,041,624 km (0.108 R)
• M7: 3,687,438 km (0.091 R)
• M8: 4,043,331 km (0.109 R)
• M9: 5,950,555 km (0.04 R)
• M10: 6,362,248 km (0.112 R)
• M11: 6,792,940 km (0.12 R)
• M12: 7,286,912 km (0.088 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 720.6

Radius: 14.5

Gravity: 3.43 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 2.47 AU - 3.07 AU

Year: 3182 Days

Day: 5.9 Hours

Environment

Temp: -214 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 67,812,342 km

• M1: 180,265 km (0.119 R)
• M2: 770,878 km (0.026 R)
• M3: 1,388,119 km (0.11 R)
• M4: 2,360,206 km (0.086 R)
• M5: 2,947,676 km (0.027 R)
• M6: 4,160,317 km (0.074 R)
• M7: 5,049,377 km (0.109 R)
• M8: 5,500,863 km (0.112 R)
• M9: 6,370,925 km (0.062 R)
• M10: 7,331,044 km (0.118 R)
• M11: 8,629,254 km (0.103 R)
• M12: 9,277,910 km (0.099 R)
• M13: 9,920,284 km (0.116 R)
• M14: 10,795,730 km (0.116 R)
• M15: 12,027,519 km (0.116 R)
• M16: 13,256,915 km (0.075 R)
• M17: 14,269,692 km (0.097 R)
• M18: 15,230,110 km (0.103 R)
• M19: 17,848,372 km (0.042 R)
• M20: 19,691,119 km (0.071 R)
• M21: 21,267,132 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.5

Radius: 13.3

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 3.64 AU - 4.42 AU

Year: 5584 Days

Day: 9.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,812,342 km

• M1: 166,802 km (0.083 R)
• M2: 676,182 km (0.094 R)
• M3: 1,134,700 km (0.108 R)
• M4: 1,958,386 km (0.107 R)
• M5: 2,413,612 km (0.083 R)
• M6: 2,902,647 km (0.119 R)
• M7: 3,415,768 km (0.117 R)
• M8: 4,731,033 km (0.115 R)
• M9: 6,456,943 km (0.113 R)
• M10: 7,919,711 km (0.113 R)
• M11: 8,414,581 km (0.082 R)
• M12: 10,156,199 km (0.072 R)
• M13: 16,444,546 km (0.074 R)
• M14: 18,479,825 km (0.106 R)
• M15: 26,588,628 km (0.075 R)
• M16: 27,184,027 km (0.105 R)
• M17: 28,578,280 km (0.067 R)
• M18: 30,572,419 km (0.032 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 972.8

Radius: 8

Gravity: 15.2 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 5.88 AU - 9.46 AU

Year: 14662 Days

Day: 18 Hours

Environment

Temp: -229 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,812,342 km

• M1: 100,679 km (0.106 R)
• M2: 1,863,989 km (0.06 R)
• M3: 3,285,468 km (0.08 R)
• M4: 3,673,974 km (0.089 R)
• M5: 4,062,031 km (0.077 R)
• M6: 5,170,850 km (0.066 R)
• M7: 6,259,773 km (0.112 R)
• M8: 7,036,037 km (0.086 R)
• M9: 11,401,901 km (0.089 R)
• M10: 11,842,167 km (0.087 R)
• M11: 13,300,148 km (0.045 R)
• M12: 14,000,865 km (0.107 R)
• M13: 14,726,115 km (0.068 R)
• M14: 17,794,816 km (0.081 R)
• M15: 19,168,723 km (0.082 R)
• M16: 21,171,240 km (0.092 R)
• M17: 23,611,481 km (0.108 R)
• M18: 29,393,289 km (0.082 R)
• M19: 30,221,163 km (0.106 R)
• M20: 38,105,420 km (0.066 R)
• M21: 45,352,689 km (0.102 R)
• M22: 45,981,898 km (0.113 R)
• M23: 50,047,220 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 8.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 637.8

Radius: 4.7

Gravity: 28.87 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.15 AU - 9.07 AU

Year: 17439 Days

Day: 17.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 61.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 67,812,342 km

• M1: 59,989 km (0.055 R)
• M2: 232,625 km (0.072 R)
• M3: 515,813 km (0.03 R)
• M4: 668,104 km (0.05 R)
• M5: 937,679 km (0.112 R)
• M6: 1,467,555 km (0.12 R)
• M7: 1,626,877 km (0.099 R)
• M8: 2,816,479 km (0.097 R)
• M9: 2,963,384 km (0.095 R)
• M10: 4,971,436 km (0.065 R)
• M11: 6,191,407 km (0.05 R)
• M12: 7,048,004 km (0.062 R)
• M13: 7,740,343 km (0.08 R)
• M14: 10,609,182 km (0.055 R)
• M15: 11,026,410 km (0.117 R)
• M16: 11,766,920 km (0.086 R)
• M17: 13,141,724 km (0.084 R)
• M18: 13,415,339 km (0.101 R)
• M19: 13,762,555 km (0.069 R)
• M20: 18,070,675 km (0.097 R)
• M21: 19,893,674 km (0.113 R)
• M22: 21,081,781 km (0.118 R)
• M23: 21,740,610 km (0.039 R)
• M24: 22,607,829 km (0.075 R)
• M25: 26,524,301 km (0.069 R)
• M26: 26,961,127 km (0.1 R)
• M27: 27,737,240 km (0.108 R)
• M28: 28,756,600 km (0.107 R)
• M29: 29,683,509 km (0.032 R)
• M30: 30,154,443 km (0.069 R)
• M31: 36,736,600 km (0.083 R)
• M32: 44,983,033 km (0.045 R)
• M33: 52,474,296 km (0.109 R)
• M34: 52,817,623 km (0.115 R)
• M35: 54,031,011 km (0.11 R)
• M36: 60,755,136 km (0.115 R)
• M37: 65,402,394 km (0.084 R)
• M38: 67,406,557 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 17,308 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit