🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 834

Radius: 8.7

Gravity: 11.02 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.6 AU - 1 AU

Year: 462 Days

Day: 6.3 Hours

Environment

Temp: -136 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 82,240,611 km

• M1: 108,159 km (0.056 R)
• M2: 415,732 km (0.044 R)
• M3: 747,391 km (0.109 R)
• M4: 1,198,429 km (0.108 R)
• M5: 1,579,454 km (0.09 R)
• M6: 1,997,281 km (0.067 R)
• M7: 2,437,996 km (0.114 R)
• M8: 2,724,177 km (0.054 R)
• M9: 3,243,731 km (0.098 R)
• M10: 3,669,037 km (0.047 R)
• M11: 4,145,357 km (0.099 R)
• M12: 4,849,215 km (0.107 R)
• M13: 5,789,438 km (0.11 R)
• M14: 6,246,309 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.6

Radius: 10.9

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.48 AU - 1.74 AU

Year: 1319 Days

Day: 5.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 82,240,611 km

• M1: 135,984 km (0.109 R)
• M2: 527,632 km (0.083 R)
• M3: 893,997 km (0.104 R)
• M4: 1,396,945 km (0.101 R)
• M5: 1,748,949 km (0.056 R)
• M6: 2,149,721 km (0.117 R)
• M7: 3,111,337 km (0.081 R)
• M8: 3,515,251 km (0.099 R)
• M9: 4,521,596 km (0.114 R)
• M10: 4,942,714 km (0.109 R)
• M11: 6,226,263 km (0.036 R)
• M12: 6,846,795 km (0.056 R)
• M13: 8,694,927 km (0.092 R)
• M14: 9,844,138 km (0.09 R)
• M15: 11,932,525 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.8

Radius: 8.9

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 2.5 AU - 3.42 AU

Year: 3288 Days

Day: 7.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,240,611 km

• M1: 111,301 km (0.108 R)
• M2: 563,984 km (0.1 R)
• M3: 1,075,459 km (0.119 R)
• M4: 1,370,316 km (0.105 R)
• M5: 2,306,949 km (0.107 R)
• M6: 2,988,068 km (0.114 R)
• M7: 3,339,324 km (0.076 R)
• M8: 3,717,956 km (0.027 R)
• M9: 4,104,218 km (0.075 R)
• M10: 5,400,633 km (0.11 R)
• M11: 6,596,369 km (0.086 R)
• M12: 8,092,497 km (0.073 R)
• M13: 9,840,847 km (0.101 R)
• M14: 11,192,913 km (0.117 R)
• M15: 11,827,357 km (0.083 R)
• M16: 13,970,646 km (0.101 R)
• M17: 14,261,763 km (0.088 R)
• M18: 15,988,572 km (0.05 R)
• M19: 17,012,120 km (0.096 R)
• M20: 18,482,667 km (0.039 R)
• M21: 21,674,787 km (0.113 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 215

Radius: 7.6

Gravity: 3.72 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 6.82 AU - 7.3 AU

Year: 12112 Days

Day: 15.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 82,240,611 km

• M1: 97,239 km (0.099 R)
• M2: 451,337 km (0.091 R)
• M3: 789,428 km (0.071 R)
• M4: 1,760,169 km (0.115 R)
• M5: 2,335,522 km (0.068 R)
• M6: 2,908,631 km (0.115 R)
• M7: 4,001,444 km (0.057 R)
• M8: 7,149,881 km (0.106 R)
• M9: 7,910,735 km (0.056 R)
• M10: 8,229,678 km (0.056 R)
• M11: 8,682,212 km (0.069 R)
• M12: 10,374,463 km (0.115 R)
• M13: 10,708,664 km (0.109 R)
• M14: 12,381,767 km (0.116 R)
• M15: 12,921,366 km (0.059 R)
• M16: 15,794,842 km (0.117 R)
• M17: 20,080,522 km (0.104 R)
• M18: 20,749,973 km (0.108 R)
• M19: 25,685,356 km (0.111 R)
• M20: 27,008,699 km (0.069 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 812.7

Radius: 6.1

Gravity: 21.84 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 9.23 AU - 10.91 AU

Year: 20633 Days

Day: 23.8 Hours

Environment

Temp: -222 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 82,240,611 km

• M1: 76,893 km (0.089 R)
• M2: 406,158 km (0.111 R)
• M3: 596,148 km (0.109 R)
• M4: 1,390,811 km (0.106 R)
• M5: 1,747,602 km (0.08 R)
• M6: 1,957,937 km (0.093 R)
• M7: 2,768,309 km (0.057 R)
• M8: 3,391,533 km (0.108 R)
• M9: 3,598,726 km (0.114 R)
• M10: 5,574,615 km (0.098 R)
• M11: 7,969,527 km (0.109 R)
• M12: 8,337,089 km (0.09 R)
• M13: 12,587,314 km (0.112 R)
• M14: 17,296,356 km (0.1 R)
• M15: 18,361,194 km (0.063 R)
• M16: 20,817,142 km (0.064 R)
• M17: 21,817,353 km (0.087 R)
• M18: 26,485,256 km (0.073 R)
• M19: 27,777,931 km (0.061 R)
• M20: 34,187,452 km (0.095 R)
• M21: 35,017,122 km (0.1 R)
• M22: 35,718,736 km (0.101 R)
• M23: 36,860,766 km (0.118 R)
• M24: 39,518,970 km (0.06 R)
• M25: 40,586,351 km (0.065 R)
• M26: 42,937,880 km (0.083 R)
• M27: 43,903,534 km (0.056 R)
• M28: 46,380,576 km (0.08 R)
• M29: 48,601,506 km (0.107 R)
• M30: 60,977,887 km (0.108 R)
• M31: 63,432,639 km (0.063 R)
• M32: 64,474,737 km (0.092 R)
• M33: 79,317,988 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 534 - 20,050 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit