🌌 Stone's Star System Generator

Asteroid Belt

Center: 1 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.5

Radius: 13

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.53 AU - 2.47 AU

Year: 1826 Days

Day: 11.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 63,344,792 km

• M1: 161,865 km (0.033 R)
• M2: 609,611 km (0.025 R)
• M3: 1,250,638 km (0.108 R)
• M4: 1,663,379 km (0.09 R)
• M5: 2,333,876 km (0.076 R)
• M6: 2,792,095 km (0.101 R)
• M7: 4,626,464 km (0.092 R)
• M8: 5,038,157 km (0.113 R)
• M9: 5,545,294 km (0.114 R)
• M10: 6,061,257 km (0.117 R)
• M11: 6,909,178 km (0.108 R)
• M12: 7,333,138 km (0.027 R)
• M13: 8,202,451 km (0.107 R)
• M14: 8,646,009 km (0.099 R)
• M15: 9,409,856 km (0.101 R)
• M16: 10,996,191 km (0.041 R)
• M17: 12,628,753 km (0.05 R)
• M18: 13,700,622 km (0.109 R)
• M19: 15,444,484 km (0.112 R)
• M20: 17,126,413 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 593.8

Radius: 9.2

Gravity: 7.02 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.03 AU - 2.21 AU

Year: 1993 Days

Day: 8.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 63,344,792 km

• M1: 115,041 km (0.103 R)
• M2: 446,998 km (0.104 R)
• M3: 783,743 km (0.103 R)
• M4: 1,294,321 km (0.115 R)
• M5: 2,061,010 km (0.106 R)
• M6: 2,367,237 km (0.037 R)
• M7: 3,342,316 km (0.096 R)
• M8: 3,680,108 km (0.081 R)
• M9: 4,096,738 km (0.092 R)
• M10: 5,401,231 km (0.115 R)
• M11: 6,013,386 km (0.106 R)
• M12: 6,412,662 km (0.096 R)
• M13: 7,017,487 km (0.073 R)
• M14: 7,659,860 km (0.097 R)
• M15: 9,223,906 km (0.105 R)
• M16: 9,857,752 km (0.027 R)
• M17: 10,591,679 km (0.052 R)
• M18: 10,953,706 km (0.116 R)
• M19: 11,324,110 km (0.108 R)
• M20: 13,428,354 km (0.112 R)
• M21: 13,895,697 km (0.106 R)
• M22: 14,198,783 km (0.044 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.2

Radius: 8.8

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.99 AU - 4.89 AU

Year: 5050 Days

Day: 8.1 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,344,792 km

• M1: 113,844 km (0.097 R)
• M2: 407,056 km (0.06 R)
• M3: 746,793 km (0.108 R)
• M4: 1,533,827 km (0.058 R)
• M5: 1,845,290 km (0.101 R)
• M6: 2,543,912 km (0.044 R)
• M7: 5,012,725 km (0.104 R)
• M8: 6,312,133 km (0.094 R)
• M9: 7,175,911 km (0.1 R)
• M10: 8,205,593 km (0.104 R)
• M11: 10,734,246 km (0.074 R)
• M12: 11,770,061 km (0.108 R)
• M13: 13,033,864 km (0.107 R)
• M14: 14,211,947 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 240.3

Radius: 9.3

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 5.47 AU - 6.01 AU

Year: 8879 Days

Day: 6.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,344,792 km

• M1: 116,537 km (0.081 R)
• M2: 420,520 km (0.061 R)
• M3: 1,244,056 km (0.1 R)
• M4: 1,756,429 km (0.049 R)
• M5: 2,504,268 km (0.117 R)
• M6: 4,515,911 km (0.099 R)
• M7: 5,349,021 km (0.1 R)
• M8: 7,005,818 km (0.114 R)
• M9: 7,858,825 km (0.096 R)
• M10: 10,560,862 km (0.095 R)
• M11: 12,571,307 km (0.104 R)
• M12: 23,178,395 km (0.042 R)
• M13: 25,958,971 km (0.054 R)
• M14: 28,777,544 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 487

Radius: 6

Gravity: 13.53 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 9.16 AU - 9.24 AU

Year: 18018 Days

Day: 22 Hours

Environment

Temp: -231 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 63,344,792 km

• M1: 74,649 km (0.103 R)
• M2: 338,690 km (0.103 R)
• M3: 652,247 km (0.112 R)
• M4: 1,186,610 km (0.056 R)
• M5: 1,732,194 km (0.092 R)
• M6: 2,764,120 km (0.112 R)
• M7: 2,977,596 km (0.118 R)
• M8: 4,596,694 km (0.112 R)
• M9: 4,829,468 km (0.109 R)
• M10: 7,028,108 km (0.106 R)
• M11: 9,074,008 km (0.05 R)
• M12: 11,305,410 km (0.063 R)
• M13: 11,668,933 km (0.067 R)
• M14: 14,224,962 km (0.117 R)
• M15: 18,181,976 km (0.1 R)
• M16: 19,446,826 km (0.109 R)
• M17: 23,298,672 km (0.11 R)
• M18: 23,493,897 km (0.029 R)
• M19: 26,447,707 km (0.092 R)
• M20: 31,506,808 km (0.098 R)
• M21: 32,226,523 km (0.067 R)
• M22: 51,295,464 km (0.075 R)
• M23: 58,717,164 km (0.112 R)
• M24: 62,212,818 km (0.062 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 485 - 11,570 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit