🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.5

Radius: 9.2

Gravity: 5.05 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.42 AU - 0.62 AU

Year: 259 Days

Day: 12.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,433,331 km

• M1: 114,442 km (0.085 R)
• M2: 439,070 km (0.045 R)
• M3: 730,337 km (0.113 R)
• M4: 1,116,449 km (0.091 R)
• M5: 1,667,867 km (0.12 R)
• M6: 1,965,267 km (0.103 R)
• M7: 2,275,533 km (0.11 R)
• M8: 2,585,350 km (0.091 R)
• M9: 2,878,413 km (0.083 R)
• M10: 3,501,637 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 330.3

Radius: 9.3

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.18 AU - 1.86 AU

Year: 1294 Days

Day: 8.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 67,433,331 km

• M1: 116,088 km (0.061 R)
• M2: 794,514 km (0.064 R)
• M3: 1,095,505 km (0.102 R)
• M4: 2,086,292 km (0.113 R)
• M5: 2,379,354 km (0.11 R)
• M6: 3,155,169 km (0.046 R)
• M7: 4,519,800 km (0.079 R)
• M8: 5,295,316 km (0.1 R)
• M9: 6,413,410 km (0.043 R)
• M10: 9,055,159 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 389.3

Radius: 11.8

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.32 AU - 2 AU

Year: 1476 Days

Day: 6.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 67,433,331 km

• M1: 193,280 km (0.107 R)
• M2: 733,179 km (0.083 R)
• M3: 2,270,896 km (0.098 R)
• M4: 2,896,215 km (0.081 R)
• M5: 4,265,634 km (0.097 R)
• M6: 4,912,944 km (0.083 R)
• M7: 6,449,463 km (0.093 R)
• M8: 7,180,548 km (0.092 R)
• M9: 7,809,757 km (0.046 R)
• M10: 8,640,623 km (0.115 R)
• M11: 9,265,344 km (0.105 R)
• M12: 9,708,453 km (0.119 R)
• M13: 10,227,707 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.1

Radius: 8.7

Gravity: 12.24 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.77 AU - 2.39 AU

Year: 2071 Days

Day: 8.9 Hours

Environment

Temp: -207 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,433,331 km

• M1: 108,309 km (0.081 R)
• M2: 403,316 km (0.093 R)
• M3: 741,257 km (0.098 R)
• M4: 1,177,186 km (0.114 R)
• M5: 1,595,012 km (0.101 R)
• M6: 1,926,821 km (0.085 R)
• M7: 2,455,200 km (0.034 R)
• M8: 2,807,503 km (0.059 R)
• M9: 3,596,034 km (0.068 R)
• M10: 4,071,904 km (0.108 R)
• M11: 4,785,935 km (0.07 R)
• M12: 5,338,400 km (0.069 R)
• M13: 6,140,394 km (0.114 R)
• M14: 6,488,359 km (0.104 R)
• M15: 10,239,675 km (0.106 R)
• M16: 10,615,315 km (0.084 R)
• M17: 12,210,777 km (0.084 R)
• M18: 12,848,363 km (0.077 R)
• M19: 13,285,637 km (0.104 R)
• M20: 13,687,607 km (0.103 R)
• M21: 17,044,433 km (0.111 R)
• M22: 17,948,753 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.5

Radius: 14.8

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.2 AU - 2.26 AU

Year: 2299 Days

Day: 7.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,433,331 km

• M1: 184,005 km (0.029 R)
• M2: 741,257 km (0.069 R)
• M3: 1,624,782 km (0.115 R)
• M4: 2,089,284 km (0.069 R)
• M5: 2,571,288 km (0.075 R)
• M6: 3,145,146 km (0.086 R)
• M7: 3,919,614 km (0.066 R)
• M8: 4,931,643 km (0.118 R)
• M9: 5,499,816 km (0.102 R)
• M10: 6,434,504 km (0.082 R)
• M11: 6,911,422 km (0.106 R)
• M12: 8,420,864 km (0.074 R)
• M13: 8,992,926 km (0.034 R)
• M14: 11,958,704 km (0.084 R)
• M15: 13,526,639 km (0.028 R)
• M16: 16,751,670 km (0.047 R)
• M17: 17,550,673 km (0.098 R)
• M18: 18,430,757 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.6

Radius: 12.2

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 3.08 AU - 3.28 AU

Year: 3914 Days

Day: 13.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,433,331 km

• M1: 152,141 km (0.094 R)
• M2: 658,231 km (0.085 R)
• M3: 1,079,199 km (0.066 R)
• M4: 1,771,987 km (0.118 R)
• M5: 2,161,988 km (0.077 R)
• M6: 2,593,578 km (0.086 R)
• M7: 3,633,732 km (0.082 R)
• M8: 4,226,289 km (0.107 R)
• M9: 4,781,298 km (0.117 R)
• M10: 5,978,829 km (0.114 R)
• M11: 9,154,492 km (0.101 R)
• M12: 10,044,749 km (0.065 R)
• M13: 11,624,802 km (0.072 R)
• M14: 12,377,877 km (0.087 R)
• M15: 14,510,096 km (0.07 R)
• M16: 16,118,423 km (0.103 R)
• M17: 19,884,399 km (0.103 R)
• M18: 21,935,985 km (0.038 R)
• M19: 23,453,655 km (0.105 R)
• M20: 27,511,348 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 174.8

Radius: 5.9

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 6.51 AU - 7.97 AU

Year: 13447 Days

Day: 18.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,433,331 km

• M1: 80,184 km (0.109 R)
• M2: 456,423 km (0.111 R)
• M3: 993,779 km (0.112 R)
• M4: 1,250,937 km (0.063 R)
• M5: 1,617,901 km (0.06 R)
• M6: 1,930,710 km (0.065 R)
• M7: 3,374,928 km (0.118 R)
• M8: 4,238,706 km (0.076 R)
• M9: 5,301,150 km (0.119 R)
• M10: 5,545,593 km (0.089 R)
• M11: 6,461,431 km (0.087 R)
• M12: 8,138,124 km (0.114 R)
• M13: 11,543,420 km (0.102 R)
• M14: 13,416,087 km (0.059 R)
• M15: 15,919,308 km (0.082 R)
• M16: 19,573,385 km (0.091 R)
• M17: 24,752,912 km (0.083 R)
• M18: 28,206,230 km (0.093 R)
• M19: 29,046,521 km (0.071 R)
• M20: 30,874,757 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 536.5

Radius: 5.6

Gravity: 17.11 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 8.87 AU - 9.27 AU

Year: 18855 Days

Day: 18.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 27.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 67,433,331 km

• M1: 69,713 km (0.083 R)
• M2: 320,439 km (0.114 R)
• M3: 584,628 km (0.111 R)
• M4: 1,012,628 km (0.09 R)
• M5: 1,226,553 km (0.076 R)
• M6: 1,425,219 km (0.034 R)
• M7: 3,345,308 km (0.084 R)
• M8: 5,538,412 km (0.118 R)
• M9: 6,208,162 km (0.089 R)
• M10: 8,796,953 km (0.055 R)
• M11: 13,349,516 km (0.106 R)
• M12: 13,694,787 km (0.059 R)
• M13: 15,586,602 km (0.082 R)
• M14: 16,124,257 km (0.12 R)
• M15: 16,515,904 km (0.027 R)
• M16: 17,728,694 km (0.044 R)
• M17: 20,695,220 km (0.065 R)
• M18: 21,250,976 km (0.095 R)
• M19: 22,103,085 km (0.112 R)
• M20: 24,796,296 km (0.077 R)
• M21: 28,149,083 km (0.119 R)
• M22: 39,006,448 km (0.093 R)
• M23: 40,713,659 km (0.099 R)
• M24: 45,976,063 km (0.068 R)
• M25: 48,363,795 km (0.055 R)
• M26: 50,000,844 km (0.094 R)
• M27: 54,254,061 km (0.089 R)
• M28: 57,643,351 km (0.057 R)
• M29: 58,926,900 km (0.045 R)
• M30: 63,666,161 km (0.092 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: 521 - 12,757 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit