🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.1

Radius: 13

Gravity: 5.62 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.62 AU - 0.8 AU

Year: 399 Days

Day: 8.6 Hours

Environment

Temp: -166 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 82,949,096 km

• M1: 161,865 km (0.102 R)
• M2: 655,089 km (0.096 R)
• M3: 1,087,128 km (0.086 R)
• M4: 2,014,186 km (0.111 R)
• M5: 2,839,966 km (0.113 R)
• M6: 3,561,776 km (0.069 R)
• M7: 6,220,878 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 346.1

Radius: 10.2

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.81 AU - 5.27 AU

Year: 6451 Days

Day: 8.4 Hours

Environment

Temp: -213 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,949,096 km

• M1: 127,009 km (0.108 R)
• M2: 697,874 km (0.064 R)
• M3: 1,970,204 km (0.04 R)
• M4: 3,110,589 km (0.086 R)
• M5: 4,070,857 km (0.084 R)
• M6: 4,496,463 km (0.089 R)
• M7: 4,899,480 km (0.1 R)
• M8: 5,437,284 km (0.095 R)
• M9: 5,954,594 km (0.109 R)
• M10: 6,631,075 km (0.11 R)
• M11: 7,600,170 km (0.096 R)
• M12: 9,167,657 km (0.081 R)
• M13: 9,652,503 km (0.107 R)
• M14: 11,812,697 km (0.097 R)
• M15: 12,930,342 km (0.037 R)
• M16: 14,170,210 km (0.088 R)
• M17: 14,546,448 km (0.113 R)
• M18: 17,125,964 km (0.113 R)
• M19: 18,112,263 km (0.066 R)
• M20: 18,491,793 km (0.109 R)
• M21: 21,651,001 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.1

Radius: 14.9

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 4.46 AU - 4.62 AU

Year: 6451 Days

Day: 5.1 Hours

Environment

Temp: -226 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,949,096 km

• M1: 185,352 km (0.119 R)
• M2: 708,346 km (0.112 R)
• M3: 1,199,476 km (0.101 R)
• M4: 1,699,133 km (0.114 R)
• M5: 2,720,288 km (0.064 R)
• M6: 3,327,206 km (0.066 R)
• M7: 3,999,948 km (0.086 R)
• M8: 5,681,129 km (0.107 R)
• M9: 6,280,867 km (0.086 R)
• M10: 7,570,699 km (0.094 R)
• M11: 8,180,460 km (0.113 R)
• M12: 13,799,207 km (0.092 R)
• M13: 15,063,907 km (0.073 R)
• M14: 20,611,146 km (0.086 R)
• M15: 23,919,503 km (0.119 R)
• M16: 29,384,014 km (0.098 R)
• M17: 31,376,358 km (0.085 R)
• M18: 32,753,556 km (0.067 R)
• M19: 33,863,872 km (0.067 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 940.2

Radius: 3.9

Gravity: 61.81 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.84 AU - 7.12 AU

Year: 9752 Days

Day: 19.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,949,096 km

• M1: 57,745 km (0.106 R)
• M2: 211,382 km (0.078 R)
• M3: 333,753 km (0.032 R)
• M4: 628,909 km (0.038 R)
• M5: 1,078,601 km (0.085 R)
• M6: 1,222,215 km (0.107 R)
• M7: 1,684,322 km (0.111 R)
• M8: 1,812,079 km (0.102 R)
• M9: 1,946,418 km (0.112 R)
• M10: 2,370,229 km (0.045 R)
• M11: 3,551,005 km (0.092 R)
• M12: 3,735,309 km (0.106 R)
• M13: 5,516,870 km (0.119 R)
• M14: 6,473,399 km (0.111 R)
• M15: 6,950,018 km (0.117 R)
• M16: 7,238,742 km (0.095 R)
• M17: 10,906,732 km (0.054 R)
• M18: 15,231,906 km (0.1 R)
• M19: 16,577,090 km (0.096 R)
• M20: 17,241,155 km (0.072 R)
• M21: 19,992,409 km (0.097 R)
• M22: 25,268,427 km (0.107 R)
• M23: 30,736,678 km (0.082 R)
• M24: 31,401,491 km (0.109 R)
• M25: 47,666,070 km (0.063 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626

Radius: 7.9

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 6.19 AU - 7.81 AU

Year: 12350 Days

Day: 21.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 82,949,096 km

• M1: 103,821 km (0.097 R)
• M2: 351,705 km (0.098 R)
• M3: 791,822 km (0.077 R)
• M4: 1,150,258 km (0.096 R)
• M5: 1,752,838 km (0.085 R)
• M6: 2,018,973 km (0.113 R)
• M7: 2,331,333 km (0.025 R)
• M8: 2,697,100 km (0.032 R)
• M9: 2,984,926 km (0.119 R)
• M10: 4,527,879 km (0.107 R)
• M11: 5,099,492 km (0.039 R)
• M12: 5,862,441 km (0.113 R)
• M13: 7,613,185 km (0.031 R)
• M14: 9,383,975 km (0.054 R)
• M15: 10,153,207 km (0.102 R)
• M16: 13,912,752 km (0.042 R)
• M17: 14,174,548 km (0.086 R)
• M18: 15,957,904 km (0.111 R)
• M19: 18,587,835 km (0.051 R)
• M20: 19,552,292 km (0.118 R)
• M21: 22,917,347 km (0.11 R)
• M22: 25,169,543 km (0.088 R)
• M23: 33,269,519 km (0.119 R)
• M24: 36,644,447 km (0.072 R)
• M25: 41,175,468 km (0.107 R)
• M26: 43,785,053 km (0.056 R)
• M27: 48,726,270 km (0.078 R)
• M28: 49,028,009 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 998.9

Radius: 6.8

Gravity: 21.6 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 7.12 AU - 11.44 AU

Year: 18852 Days

Day: 17.1 Hours

Environment

Temp: -241 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 82,949,096 km

• M1: 85,420 km (0.102 R)
• M2: 575,952 km (0.07 R)
• M3: 1,015,919 km (0.111 R)
• M4: 1,942,828 km (0.09 R)
• M5: 2,505,764 km (0.107 R)
• M6: 3,089,645 km (0.097 R)
• M7: 3,823,273 km (0.084 R)
• M8: 4,560,042 km (0.065 R)
• M9: 5,630,116 km (0.066 R)
• M10: 7,535,394 km (0.078 R)
• M11: 13,132,748 km (0.101 R)
• M12: 14,022,108 km (0.046 R)
• M13: 14,950,961 km (0.115 R)
• M14: 18,162,827 km (0.116 R)
• M15: 29,742,749 km (0.086 R)
• M16: 31,272,088 km (0.105 R)
• M17: 42,511,227 km (0.111 R)
• M18: 44,285,458 km (0.041 R)
• M19: 50,436,773 km (0.107 R)
• M20: 52,975,149 km (0.093 R)
• M21: 57,327,998 km (0.119 R)
• M22: 58,501,444 km (0.094 R)
• M23: 60,090,921 km (0.1 R)
• M24: 65,667,930 km (0.047 R)
• M25: 66,737,256 km (0.083 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 467 - 20,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit