🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.7

Radius: 13.6

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.76 AU - 0.76 AU

Year: 457 Days

Day: 9.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 160.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,875,282 km

• M1: 169,195 km (0.112 R)
• M2: 609,911 km (0.113 R)
• M3: 1,152,951 km (0.116 R)
• M4: 1,957,339 km (0.102 R)
• M5: 2,491,553 km (0.112 R)
• M6: 2,982,084 km (0.097 R)
• M7: 3,720,649 km (0.113 R)
• M8: 4,283,137 km (0.091 R)
• M9: 4,827,224 km (0.083 R)
• M10: 5,433,395 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.5

Radius: 8.8

Gravity: 9.16 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.76 AU - 1.18 AU

Year: 659 Days

Day: 6.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 68,875,282 km

• M1: 109,506 km (0.119 R)
• M2: 568,921 km (0.042 R)
• M3: 909,555 km (0.084 R)
• M4: 1,429,557 km (0.117 R)
• M5: 2,070,734 km (0.101 R)
• M6: 2,374,268 km (0.054 R)
• M7: 2,998,989 km (0.101 R)
• M8: 3,285,618 km (0.1 R)
• M9: 3,618,025 km (0.082 R)
• M10: 4,151,491 km (0.084 R)
• M11: 4,492,873 km (0.075 R)
• M12: 5,267,790 km (0.101 R)
• M13: 6,572,732 km (0.075 R)
• M14: 7,569,802 km (0.105 R)
• M15: 7,845,810 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 195.7

Radius: 14.5

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 1.06 AU - 1.2 AU

Year: 829 Days

Day: 11.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 68,875,282 km

• M1: 180,265 km (0.067 R)
• M2: 700,417 km (0.108 R)
• M3: 1,281,455 km (0.083 R)
• M4: 1,892,563 km (0.111 R)
• M5: 2,776,836 km (0.052 R)
• M6: 3,414,123 km (0.098 R)
• M7: 4,553,460 km (0.073 R)
• M8: 5,093,957 km (0.075 R)
• M9: 5,744,708 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307.1

Radius: 11.8

Gravity: 2.21 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.06 AU - 1.7 AU

Year: 1119 Days

Day: 14.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,875,282 km

• M1: 146,756 km (0.088 R)
• M2: 620,831 km (0.091 R)
• M3: 1,143,825 km (0.098 R)
• M4: 1,866,233 km (0.085 R)
• M5: 2,403,739 km (0.104 R)
• M6: 2,849,540 km (0.104 R)
• M7: 3,807,415 km (0.112 R)
• M8: 6,028,944 km (0.067 R)
• M9: 6,497,484 km (0.106 R)
• M10: 7,507,719 km (0.103 R)
• M11: 8,147,698 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 345.5

Radius: 8

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 3.14 AU - 3.56 AU

Year: 4232 Days

Day: 6.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 68,875,282 km

• M1: 99,782 km (0.088 R)
• M2: 373,845 km (0.107 R)
• M3: 695,032 km (0.1 R)
• M4: 1,479,972 km (0.109 R)
• M5: 1,801,607 km (0.062 R)
• M6: 2,156,304 km (0.115 R)
• M7: 3,023,672 km (0.103 R)
• M8: 3,451,971 km (0.077 R)
• M9: 4,496,463 km (0.082 R)
• M10: 4,816,902 km (0.091 R)
• M11: 5,685,467 km (0.079 R)
• M12: 7,697,409 km (0.086 R)
• M13: 8,156,973 km (0.097 R)
• M14: 8,845,423 km (0.031 R)
• M15: 9,240,062 km (0.105 R)
• M16: 10,978,838 km (0.081 R)
• M17: 11,267,562 km (0.038 R)
• M18: 13,108,364 km (0.119 R)
• M19: 15,090,536 km (0.117 R)
• M20: 15,915,418 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848.9

Radius: 7

Gravity: 17.32 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.27 AU - 8.63 AU

Year: 15473 Days

Day: 23.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 68,875,282 km

• M1: 87,066 km (0.113 R)
• M2: 522,545 km (0.028 R)
• M3: 742,454 km (0.115 R)
• M4: 1,026,092 km (0.113 R)
• M5: 1,296,116 km (0.108 R)
• M6: 1,517,670 km (0.091 R)
• M7: 1,764,656 km (0.077 R)
• M8: 2,278,376 km (0.062 R)
• M9: 3,087,251 km (0.116 R)
• M10: 3,772,858 km (0.111 R)
• M11: 4,423,759 km (0.085 R)
• M12: 4,690,641 km (0.059 R)
• M13: 5,442,520 km (0.095 R)
• M14: 5,986,757 km (0.114 R)
• M15: 7,003,275 km (0.077 R)
• M16: 7,838,031 km (0.114 R)
• M17: 8,329,460 km (0.106 R)
• M18: 8,893,593 km (0.069 R)
• M19: 10,212,598 km (0.099 R)
• M20: 10,798,872 km (0.106 R)
• M21: 11,974,262 km (0.101 R)
• M22: 12,232,169 km (0.065 R)
• M23: 12,826,222 km (0.049 R)
• M24: 14,071,475 km (0.05 R)
• M25: 18,119,444 km (0.063 R)
• M26: 18,977,986 km (0.054 R)
• M27: 23,884,198 km (0.088 R)
• M28: 27,400,496 km (0.063 R)
• M29: 27,848,840 km (0.047 R)
• M30: 46,486,491 km (0.094 R)
• M31: 51,243,255 km (0.094 R)
• M32: 56,495,187 km (0.051 R)
• M33: 59,812,520 km (0.11 R)
• M34: 60,946,472 km (0.057 R)
• M35: 64,237,176 km (0.113 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 11,186 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit