🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.1

Radius: 14.6

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.51 AU - 0.75 AU

Year: 345 Days

Day: 10.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,966,147 km

• M1: 181,612 km (0.109 R)
• M2: 811,868 km (0.089 R)
• M3: 1,724,714 km (0.06 R)
• M4: 2,515,189 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.7

Radius: 12.7

Gravity: 5.91 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.26 AU - 1.52 AU

Year: 1131 Days

Day: 8 Hours

Environment

Temp: -198 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 62,966,147 km

• M1: 158,275 km (0.113 R)
• M2: 724,951 km (0.118 R)
• M3: 1,203,365 km (0.117 R)
• M4: 2,760,829 km (0.101 R)
• M5: 3,366,850 km (0.111 R)
• M6: 4,077,589 km (0.099 R)
• M7: 4,712,632 km (0.079 R)
• M8: 5,144,820 km (0.114 R)
• M9: 6,296,574 km (0.069 R)
• M10: 7,586,856 km (0.108 R)
• M11: 8,492,671 km (0.073 R)
• M12: 10,453,899 km (0.091 R)
• M13: 12,366,807 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 259

Radius: 9.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.16 AU - 3.04 AU

Year: 2894 Days

Day: 11.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,966,147 km

• M1: 126,709 km (0.117 R)
• M2: 480,060 km (0.086 R)
• M3: 840,142 km (0.107 R)
• M4: 1,195,885 km (0.104 R)
• M5: 3,637,023 km (0.108 R)
• M6: 4,386,808 km (0.048 R)
• M7: 4,871,655 km (0.103 R)
• M8: 5,735,582 km (0.063 R)
• M9: 11,050,795 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.4

Radius: 8.7

Gravity: 13.08 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.98 AU - 3.86 AU

Year: 4366 Days

Day: 5.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,966,147 km

• M1: 117,584 km (0.108 R)
• M2: 452,833 km (0.103 R)
• M3: 820,245 km (0.099 R)
• M4: 1,534,425 km (0.113 R)
• M5: 2,173,059 km (0.112 R)
• M6: 2,666,732 km (0.058 R)
• M7: 3,193,316 km (0.071 R)
• M8: 3,720,499 km (0.08 R)
• M9: 4,529,375 km (0.102 R)
• M10: 5,112,358 km (0.048 R)
• M11: 6,299,267 km (0.11 R)
• M12: 6,688,820 km (0.068 R)
• M13: 6,991,456 km (0.062 R)
• M14: 7,338,524 km (0.089 R)
• M15: 8,487,884 km (0.12 R)
• M16: 8,763,294 km (0.118 R)
• M17: 10,319,411 km (0.115 R)
• M18: 11,710,073 km (0.072 R)
• M19: 15,903,899 km (0.105 R)
• M20: 16,688,540 km (0.085 R)
• M21: 17,246,690 km (0.096 R)
• M22: 18,400,239 km (0.065 R)
• M23: 18,929,217 km (0.099 R)
• M24: 20,506,278 km (0.115 R)
• M25: 21,074,899 km (0.088 R)
• M26: 21,873,752 km (0.066 R)
• M27: 22,995,437 km (0.118 R)
• M28: 23,301,065 km (0.115 R)
• M29: 23,920,101 km (0.116 R)
• M30: 27,096,513 km (0.119 R)
• M31: 28,741,341 km (0.104 R)
• M32: 31,191,754 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 28.6

Radius: 3.3

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 5.26 AU - 6.32 AU

Year: 9617 Days

Day: 17.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 62,966,147 km

• M1: 206,146 km (0.062 R)
• M2: 468,690 km (0.084 R)
• M3: 2,073,127 km (0.032 R)
• M4: 7,332,689 km (0.085 R)
• M5: 9,214,481 km (0.08 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.8

Radius: 6.3

Gravity: 7.43 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 9.91 AU - 10.77 AU

Year: 22950 Days

Day: 18.3 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,966,147 km

• M1: 78,988 km (0.094 R)
• M2: 335,997 km (0.086 R)
• M3: 915,539 km (0.086 R)
• M4: 1,386,174 km (0.064 R)
• M5: 2,442,634 km (0.025 R)
• M6: 3,238,046 km (0.117 R)
• M7: 4,444,403 km (0.115 R)
• M8: 8,568,517 km (0.102 R)
• M9: 11,300,922 km (0.065 R)
• M10: 11,724,733 km (0.117 R)
• M11: 15,066,301 km (0.113 R)
• M12: 15,358,166 km (0.113 R)
• M13: 15,878,318 km (0.082 R)
• M14: 17,831,617 km (0.05 R)
• M15: 19,162,590 km (0.107 R)
• M16: 19,765,170 km (0.098 R)
• M17: 24,845,663 km (0.112 R)
• M18: 26,082,090 km (0.091 R)
• M19: 28,565,564 km (0.118 R)
• M20: 35,648,275 km (0.098 R)
• M21: 39,109,671 km (0.088 R)
• M22: 43,080,896 km (0.11 R)
• M23: 43,521,761 km (0.105 R)
• M24: 46,537,504 km (0.102 R)
• M25: 47,156,989 km (0.096 R)
• M26: 48,412,414 km (0.046 R)
• M27: 53,657,016 km (0.117 R)
• M28: 54,337,986 km (0.096 R)
• M29: 59,267,834 km (0.066 R)
• M30: 59,995,628 km (0.092 R)
• M31: 61,098,314 km (0.104 R)
• M32: 61,468,867 km (0.091 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 12,254 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit