🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.79 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.32

Radius: 1.12

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.35 AU - 1.81 AU

Year: 744 Days

Day: 12.2 Hours

Environment

Temp: -52 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 53,709,644 km

• M1: 149,448 km (0.105 R)

Asteroid Belt

Center: 3.71 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 847.6

Radius: 14.2

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 5.64 AU - 6.04 AU

Year: 5289 Days

Day: 5.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,709,644 km

• M1: 176,825 km (0.109 R)
• M2: 668,852 km (0.073 R)
• M3: 1,347,129 km (0.03 R)
• M4: 1,913,955 km (0.106 R)
• M5: 2,604,050 km (0.093 R)
• M6: 3,350,843 km (0.104 R)
• M7: 4,091,053 km (0.095 R)
• M8: 4,617,338 km (0.117 R)
• M9: 5,655,697 km (0.106 R)
• M10: 6,810,293 km (0.085 R)
• M11: 9,327,876 km (0.088 R)
• M12: 10,335,717 km (0.079 R)
• M13: 11,414,916 km (0.093 R)
• M14: 12,776,257 km (0.11 R)
• M15: 13,687,308 km (0.115 R)
• M16: 14,988,510 km (0.104 R)
• M17: 19,526,711 km (0.104 R)
• M18: 20,518,694 km (0.061 R)
• M19: 21,174,083 km (0.086 R)
• M20: 22,757,726 km (0.037 R)
• M21: 23,697,350 km (0.104 R)
• M22: 27,278,125 km (0.12 R)
• M23: 27,982,132 km (0.09 R)
• M24: 31,588,638 km (0.091 R)
• M25: 32,757,895 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 10.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.5

Radius: 13.1

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 8.42 AU - 12.8 AU

Year: 12951 Days

Day: 12.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,709,644 km

• M1: 164,408 km (0.058 R)
• M2: 582,684 km (0.087 R)
• M3: 1,007,691 km (0.051 R)
• M4: 1,742,666 km (0.118 R)
• M5: 2,250,700 km (0.032 R)
• M6: 2,685,581 km (0.08 R)
• M7: 4,255,311 km (0.091 R)
• M8: 4,800,147 km (0.102 R)
• M9: 6,641,697 km (0.102 R)
• M10: 7,377,569 km (0.063 R)
• M11: 8,212,624 km (0.038 R)
• M12: 11,099,115 km (0.063 R)
• M13: 12,617,533 km (0.112 R)
• M14: 13,363,428 km (0.078 R)
• M15: 15,920,505 km (0.077 R)
• M16: 17,014,364 km (0.077 R)
• M17: 18,002,458 km (0.081 R)
• M18: 23,897,961 km (0.05 R)
• M19: 28,897,521 km (0.085 R)
• M20: 29,757,260 km (0.047 R)
• M21: 32,324,510 km (0.084 R)
• M22: 37,135,278 km (0.095 R)
• M23: 38,023,590 km (0.034 R)
• M24: 39,710,904 km (0.111 R)
• M25: 43,234,233 km (0.091 R)
• M26: 43,653,855 km (0.114 R)
• M27: 52,150,566 km (0.069 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 509.3

Radius: 6.5

Gravity: 12.05 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 11.88 AU - 13.44 AU

Year: 16880 Days

Day: 17.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,709,644 km

• M1: 81,381 km (0.087 R)
• M2: 781,200 km (0.051 R)
• M3: 1,277,566 km (0.086 R)
• M4: 2,854,776 km (0.116 R)
• M5: 3,534,998 km (0.114 R)
• M6: 4,349,259 km (0.075 R)
• M7: 5,282,450 km (0.118 R)
• M8: 6,463,974 km (0.11 R)
• M9: 10,878,009 km (0.106 R)
• M10: 11,169,725 km (0.097 R)
• M11: 13,494,027 km (0.046 R)
• M12: 15,163,091 km (0.083 R)
• M13: 16,122,312 km (0.101 R)
• M14: 18,242,862 km (0.048 R)
• M15: 18,489,399 km (0.111 R)
• M16: 26,963,221 km (0.096 R)
• M17: 29,482,000 km (0.108 R)
• M18: 36,132,075 km (0.063 R)
• M19: 42,264,989 km (0.084 R)
• M20: 44,010,347 km (0.107 R)
• M21: 56,890,275 km (0.101 R)

Planet 5 - Ice Giant

Semi-Major Axis: 17.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.3

Radius: 5.6

Gravity: 17.74 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 15.33 AU - 19.23 AU

Year: 26918 Days

Day: 19.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 53,709,644 km

• M1: 75,547 km (0.079 R)
• M2: 541,095 km (0.058 R)
• M3: 771,775 km (0.101 R)
• M4: 1,121,685 km (0.109 R)
• M5: 1,887,626 km (0.116 R)
• M6: 2,956,503 km (0.108 R)
• M7: 3,745,183 km (0.087 R)
• M8: 4,103,918 km (0.1 R)
• M9: 5,238,319 km (0.076 R)
• M10: 5,439,229 km (0.111 R)
• M11: 8,001,691 km (0.071 R)
• M12: 8,431,336 km (0.115 R)
• M13: 10,943,084 km (0.099 R)
• M14: 11,949,280 km (0.094 R)
• M15: 16,336,985 km (0.091 R)
• M16: 17,469,441 km (0.087 R)
• M17: 19,217,492 km (0.089 R)
• M18: 20,182,698 km (0.102 R)
• M19: 21,383,220 km (0.088 R)
• M20: 24,591,197 km (0.101 R)
• M21: 30,239,265 km (0.087 R)
• M22: 35,967,517 km (0.106 R)
• M23: 36,694,263 km (0.078 R)
• M24: 36,987,625 km (0.098 R)
• M25: 37,430,584 km (0.088 R)
• M26: 40,163,288 km (0.115 R)
• M27: 42,057,197 km (0.088 R)
• M28: 43,680,185 km (0.115 R)
• M29: 45,682,403 km (0.058 R)
• M30: 46,534,512 km (0.11 R)
• M31: 53,359,167 km (0.066 R)
• M32: 59,195,877 km (0.083 R)
• M33: 62,267,720 km (0.077 R)
• M34: 65,659,553 km (0.112 R)
• M35: 71,430,739 km (0.036 R)
• M36: 72,808,835 km (0.103 R)
• M37: 74,673,872 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.6

Radius: 4

Gravity: 7.79 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 14.38 AU - 20.94 AU

Year: 27811 Days

Day: 17 Hours

Environment

Temp: -203 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,709,644 km

• M1: 52,658 km (0.081 R)
• M2: 210,035 km (0.118 R)
• M3: 357,539 km (0.086 R)
• M4: 1,632,861 km (0.079 R)
• M5: 2,085,245 km (0.086 R)
• M6: 2,532,542 km (0.074 R)
• M7: 2,723,878 km (0.056 R)
• M8: 3,232,810 km (0.104 R)
• M9: 3,407,241 km (0.09 R)
• M10: 3,614,434 km (0.043 R)
• M11: 5,410,207 km (0.045 R)
• M12: 7,594,785 km (0.075 R)
• M13: 10,573,727 km (0.108 R)
• M14: 10,958,642 km (0.06 R)
• M15: 11,467,275 km (0.109 R)
• M16: 11,991,466 km (0.108 R)
• M17: 12,470,628 km (0.112 R)
• M18: 14,922,537 km (0.068 R)
• M19: 15,829,998 km (0.034 R)
• M20: 18,613,266 km (0.088 R)
• M21: 19,174,109 km (0.102 R)
• M22: 24,547,215 km (0.108 R)
• M23: 29,962,060 km (0.087 R)
• M24: 30,290,278 km (0.084 R)
• M25: 31,401,939 km (0.119 R)
• M26: 33,003,684 km (0.092 R)
• M27: 33,706,345 km (0.075 R)
• M28: 45,621,965 km (0.073 R)
• M29: 52,115,859 km (0.107 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 370 - 14,452 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit