🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196

Radius: 13.1

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.78 AU - 1.06 AU

Year: 620 Days

Day: 13.5 Hours

Environment

Temp: -170 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 45,980,607 km

• M1: 162,912 km (0.068 R)
• M2: 859,440 km (0.104 R)
• M3: 1,303,596 km (0.054 R)
• M4: 1,776,624 km (0.069 R)
• M5: 2,239,331 km (0.037 R)
• M6: 2,792,394 km (0.078 R)
• M7: 3,469,474 km (0.079 R)
• M8: 3,951,179 km (0.059 R)
• M9: 4,709,341 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.6

Radius: 10.9

Gravity: 0.52 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.41 AU - 1.77 AU

Year: 1409 Days

Day: 10 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,980,607 km

• M1: 135,685 km (0.12 R)
• M2: 616,044 km (0.101 R)
• M3: 1,332,019 km (0.069 R)
• M4: 2,067,143 km (0.061 R)
• M5: 2,437,249 km (0.081 R)
• M6: 2,883,200 km (0.073 R)
• M7: 3,526,321 km (0.119 R)
• M8: 5,416,490 km (0.036 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 739.4

Radius: 8.7

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.06 AU - 2.4 AU

Year: 2341 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 45,980,607 km

• M1: 108,159 km (0.095 R)
• M2: 481,855 km (0.109 R)
• M3: 1,235,230 km (0.12 R)
• M4: 1,689,858 km (0.1 R)
• M5: 2,035,877 km (0.09 R)
• M6: 2,825,754 km (0.081 R)
• M7: 3,097,274 km (0.108 R)
• M8: 3,528,715 km (0.067 R)
• M9: 4,199,511 km (0.102 R)
• M10: 4,795,210 km (0.064 R)
• M11: 5,090,516 km (0.107 R)
• M12: 5,972,097 km (0.073 R)
• M13: 6,395,309 km (0.113 R)
• M14: 7,213,161 km (0.107 R)
• M15: 8,194,672 km (0.075 R)
• M16: 8,486,089 km (0.104 R)
• M17: 9,262,651 km (0.056 R)
• M18: 9,543,596 km (0.117 R)
• M19: 9,830,226 km (0.062 R)
• M20: 10,956,698 km (0.042 R)
• M21: 11,350,589 km (0.118 R)
• M22: 11,754,054 km (0.085 R)
• M23: 12,461,802 km (0.102 R)
• M24: 13,021,896 km (0.025 R)
• M25: 14,472,248 km (0.095 R)
• M26: 16,586,814 km (0.109 R)
• M27: 17,530,178 km (0.113 R)
• M28: 17,852,561 km (0.098 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.3

Radius: 5.7

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 5.09 AU - 6.95 AU

Year: 10383 Days

Day: 17.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,980,607 km

• M1: 70,909 km (0.036 R)
• M2: 286,480 km (0.118 R)
• M3: 857,345 km (0.105 R)
• M4: 2,356,316 km (0.108 R)
• M5: 3,601,569 km (0.055 R)
• M6: 4,325,772 km (0.027 R)
• M7: 4,764,692 km (0.117 R)
• M8: 5,540,507 km (0.069 R)
• M9: 5,991,544 km (0.105 R)
• M10: 7,188,926 km (0.088 R)
• M11: 7,415,716 km (0.119 R)
• M12: 9,183,065 km (0.045 R)
• M13: 12,360,075 km (0.112 R)
• M14: 16,525,628 km (0.099 R)
• M15: 19,427,228 km (0.056 R)
• M16: 20,998,006 km (0.116 R)
• M17: 23,968,122 km (0.11 R)
• M18: 25,860,685 km (0.112 R)
• M19: 29,746,340 km (0.08 R)
• M20: 31,726,268 km (0.039 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.8

Radius: 6.7

Gravity: 4.43 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 5.77 AU - 7.03 AU

Year: 11381 Days

Day: 18.3 Hours

Environment

Temp: -233 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 45,980,607 km

• M1: 92,003 km (0.117 R)
• M2: 1,500,467 km (0.111 R)
• M3: 2,099,157 km (0.065 R)
• M4: 2,308,594 km (0.112 R)
• M5: 2,788,953 km (0.057 R)
• M6: 4,554,208 km (0.042 R)
• M7: 7,426,188 km (0.088 R)
• M8: 9,087,622 km (0.116 R)
• M9: 14,700,684 km (0.103 R)
• M10: 15,533,495 km (0.104 R)
• M11: 18,423,427 km (0.076 R)
• M12: 19,390,876 km (0.113 R)
• M13: 19,815,734 km (0.065 R)
• M14: 23,123,193 km (0.119 R)
• M15: 24,493,959 km (0.047 R)
• M16: 32,167,881 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 369.3

Radius: 4.2

Gravity: 20.94 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.82 AU - 7.02 AU

Year: 12796 Days

Day: 20.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,980,607 km

• M1: 67,917 km (0.048 R)
• M2: 223,200 km (0.11 R)
• M3: 367,263 km (0.116 R)
• M4: 822,788 km (0.094 R)
• M5: 1,407,267 km (0.077 R)
• M6: 1,672,953 km (0.102 R)
• M7: 2,177,247 km (0.089 R)
• M8: 3,653,180 km (0.108 R)
• M9: 6,002,465 km (0.11 R)
• M10: 6,399,049 km (0.107 R)
• M11: 11,923,549 km (0.044 R)
• M12: 12,148,544 km (0.109 R)
• M13: 13,558,803 km (0.067 R)
• M14: 18,890,770 km (0.055 R)
• M15: 19,273,741 km (0.073 R)
• M16: 19,739,888 km (0.086 R)
• M17: 23,216,542 km (0.119 R)
• M18: 24,280,034 km (0.087 R)
• M19: 27,763,121 km (0.088 R)
• M20: 37,473,818 km (0.071 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: 499 - 11,507 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit