🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.1

Radius: 10.6

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.49 AU - 0.73 AU

Year: 323 Days

Day: 12.3 Hours

Environment

Temp: -144 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 52,769,423 km

• M1: 131,796 km (0.104 R)
• M2: 543,639 km (0.116 R)
• M3: 907,610 km (0.046 R)
• M4: 1,567,038 km (0.108 R)
• M5: 1,912,160 km (0.111 R)
• M6: 2,274,336 km (0.094 R)
• M7: 2,750,207 km (0.038 R)
• M8: 3,291,752 km (0.051 R)
• M9: 3,866,058 km (0.1 R)
• M10: 4,410,444 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.1

Radius: 11.8

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.63 AU - 1.05 AU

Year: 522 Days

Day: 6.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 52,769,423 km

• M1: 152,291 km (0.104 R)
• M2: 591,360 km (0.119 R)
• M3: 970,591 km (0.049 R)
• M4: 1,923,829 km (0.104 R)
• M5: 2,339,711 km (0.115 R)
• M6: 2,912,671 km (0.107 R)
• M7: 3,345,457 km (0.049 R)
• M8: 3,715,562 km (0.092 R)
• M9: 4,163,159 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.4

Radius: 9.2

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.85 AU - 1.27 AU

Year: 740 Days

Day: 8.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,769,423 km

• M1: 115,340 km (0.118 R)
• M2: 1,285,794 km (0.102 R)
• M3: 1,628,822 km (0.08 R)
• M4: 1,919,640 km (0.118 R)
• M5: 2,432,312 km (0.118 R)
• M6: 3,069,300 km (0.092 R)
• M7: 3,799,786 km (0.081 R)
• M8: 4,140,121 km (0.061 R)
• M9: 4,673,288 km (0.053 R)
• M10: 5,132,105 km (0.108 R)
• M11: 5,620,691 km (0.094 R)
• M12: 6,216,839 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.2

Radius: 8.4

Gravity: 7.73 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.38 AU - 1.6 AU

Year: 1234 Days

Day: 11.8 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 52,769,423 km

• M1: 106,214 km (0.111 R)
• M2: 426,204 km (0.082 R)
• M3: 959,371 km (0.12 R)
• M4: 1,265,598 km (0.116 R)
• M5: 1,628,672 km (0.092 R)
• M6: 2,989,564 km (0.112 R)
• M7: 4,451,584 km (0.115 R)
• M8: 4,834,255 km (0.064 R)
• M9: 5,219,171 km (0.114 R)
• M10: 5,707,907 km (0.084 R)
• M11: 7,459,099 km (0.106 R)
• M12: 7,739,296 km (0.061 R)
• M13: 8,240,000 km (0.118 R)
• M14: 9,160,626 km (0.075 R)
• M15: 10,975,098 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.7

Radius: 14.8

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.87 AU - 3.99 AU

Year: 4309 Days

Day: 15 Hours

Environment

Temp: -224 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,769,423 km

• M1: 220,358 km (0.05 R)
• M2: 712,684 km (0.077 R)
• M3: 1,267,393 km (0.103 R)
• M4: 2,390,125 km (0.111 R)
• M5: 3,262,730 km (0.067 R)
• M6: 4,032,710 km (0.118 R)
• M7: 4,636,786 km (0.068 R)
• M8: 5,967,758 km (0.092 R)
• M9: 7,055,634 km (0.068 R)
• M10: 7,647,294 km (0.094 R)
• M11: 8,271,865 km (0.065 R)
• M12: 8,890,901 km (0.036 R)
• M13: 9,540,604 km (0.104 R)
• M14: 12,116,680 km (0.119 R)
• M15: 13,173,439 km (0.099 R)
• M16: 13,697,779 km (0.06 R)
• M17: 14,732,698 km (0.116 R)
• M18: 18,023,402 km (0.109 R)
• M19: 18,539,814 km (0.112 R)
• M20: 20,987,235 km (0.109 R)
• M21: 23,034,482 km (0.053 R)
• M22: 23,951,367 km (0.055 R)
• M23: 28,905,600 km (0.097 R)
• M24: 30,606,976 km (0.114 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 790.8

Radius: 3.3

Gravity: 72.62 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 6.22 AU - 6.4 AU

Year: 10751 Days

Day: 19.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 52,769,423 km

• M1: 70,161 km (0.057 R)
• M2: 742,903 km (0.116 R)
• M3: 1,537,118 km (0.115 R)
• M4: 1,988,156 km (0.085 R)
• M5: 2,095,268 km (0.076 R)
• M6: 3,026,664 km (0.056 R)
• M7: 3,266,021 km (0.071 R)
• M8: 4,750,480 km (0.085 R)
• M9: 10,705,972 km (0.118 R)
• M10: 12,976,119 km (0.115 R)
• M11: 16,042,277 km (0.049 R)
• M12: 17,513,872 km (0.11 R)
• M13: 19,639,956 km (0.075 R)
• M14: 20,807,269 km (0.117 R)
• M15: 23,370,778 km (0.11 R)
• M16: 24,207,179 km (0.068 R)
• M17: 25,939,523 km (0.105 R)
• M18: 33,579,187 km (0.105 R)
• M19: 39,383,883 km (0.114 R)
• M20: 41,637,875 km (0.106 R)
• M21: 43,696,790 km (0.105 R)
• M22: 43,976,239 km (0.093 R)
• M23: 44,116,562 km (0.082 R)
• M24: 51,825,938 km (0.095 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: 187 - 14,741 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit