🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.6

Radius: 9.9

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.49 AU - 0.73 AU

Year: 329 Days

Day: 10.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 107.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,687,691 km

• M1: 126,261 km (0.087 R)
• M2: 441,463 km (0.109 R)
• M3: 837,299 km (0.083 R)
• M4: 1,155,195 km (0.117 R)
• M5: 1,903,633 km (0.117 R)
• M6: 2,232,000 km (0.104 R)
• M7: 3,024,719 km (0.085 R)
• M8: 3,606,206 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.6

Radius: 8

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 0.65 AU - 0.67 AU

Year: 370 Days

Day: 6.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,687,691 km

• M1: 99,483 km (0.077 R)
• M2: 353,649 km (0.098 R)
• M3: 711,787 km (0.1 R)
• M4: 978,370 km (0.051 R)
• M5: 1,232,387 km (0.096 R)
• M6: 1,498,372 km (0.084 R)
• M7: 2,026,453 km (0.088 R)
• M8: 2,410,321 km (0.047 R)
• M9: 2,841,911 km (0.109 R)
• M10: 3,103,408 km (0.042 R)
• M11: 3,555,493 km (0.086 R)
• M12: 3,847,508 km (0.105 R)
• M13: 4,142,215 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.4

Radius: 9.8

Gravity: 8.14 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.7 AU - 0.86 AU

Year: 476 Days

Day: 14.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 54,687,691 km

• M1: 121,922 km (0.105 R)
• M2: 446,101 km (0.058 R)
• M3: 992,881 km (0.09 R)
• M4: 1,304,194 km (0.085 R)
• M5: 2,757,538 km (0.042 R)
• M6: 3,124,950 km (0.119 R)
• M7: 4,042,134 km (0.082 R)
• M8: 4,458,765 km (0.11 R)
• M9: 5,566,387 km (0.104 R)
• M10: 6,046,596 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534

Radius: 12.9

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.24 AU - 1.96 AU

Year: 1397 Days

Day: 6.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,687,691 km

• M1: 160,519 km (0.117 R)
• M2: 593,006 km (0.026 R)
• M3: 1,131,558 km (0.118 R)
• M4: 1,598,752 km (0.108 R)
• M5: 2,174,255 km (0.084 R)
• M6: 2,591,334 km (0.03 R)
• M7: 3,076,181 km (0.046 R)
• M8: 4,407,303 km (0.117 R)
• M9: 5,614,408 km (0.056 R)
• M10: 6,114,514 km (0.058 R)
• M11: 6,715,598 km (0.115 R)
• M12: 7,509,364 km (0.052 R)
• M13: 8,616,837 km (0.069 R)
• M14: 9,554,517 km (0.105 R)
• M15: 10,079,605 km (0.115 R)
• M16: 10,559,067 km (0.101 R)
• M17: 11,053,637 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 565.7

Radius: 13.4

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.6 AU - 4.18 AU

Year: 4308 Days

Day: 6.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 54,687,691 km

• M1: 166,802 km (0.116 R)
• M2: 827,575 km (0.082 R)
• M3: 1,259,315 km (0.118 R)
• M4: 1,701,825 km (0.096 R)
• M5: 2,192,955 km (0.049 R)
• M6: 2,846,698 km (0.115 R)
• M7: 4,666,556 km (0.074 R)
• M8: 7,069,397 km (0.03 R)
• M9: 7,493,956 km (0.045 R)
• M10: 8,180,460 km (0.108 R)
• M11: 8,796,504 km (0.12 R)
• M12: 10,204,071 km (0.088 R)
• M13: 10,832,980 km (0.101 R)
• M14: 12,542,585 km (0.066 R)
• M15: 13,118,088 km (0.11 R)
• M16: 13,561,197 km (0.094 R)
• M17: 14,529,843 km (0.082 R)
• M18: 15,111,330 km (0.11 R)
• M19: 15,598,570 km (0.113 R)
• M20: 16,320,978 km (0.119 R)
• M21: 16,949,588 km (0.113 R)
• M22: 18,133,805 km (0.117 R)
• M23: 18,808,192 km (0.092 R)
• M24: 24,007,765 km (0.103 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.5

Radius: 8

Gravity: 13.77 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 7.07 AU - 7.95 AU

Year: 14206 Days

Day: 15.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,687,691 km

• M1: 99,483 km (0.079 R)
• M2: 649,853 km (0.025 R)
• M3: 1,020,407 km (0.052 R)
• M4: 1,606,382 km (0.079 R)
• M5: 2,754,246 km (0.116 R)
• M6: 3,378,070 km (0.084 R)
• M7: 4,469,685 km (0.083 R)
• M8: 5,477,227 km (0.06 R)
• M9: 5,818,908 km (0.062 R)
• M10: 7,105,450 km (0.062 R)
• M11: 9,949,156 km (0.075 R)
• M12: 10,516,132 km (0.079 R)
• M13: 12,476,014 km (0.053 R)
• M14: 14,027,044 km (0.09 R)
• M15: 17,917,038 km (0.098 R)
• M16: 20,331,847 km (0.076 R)
• M17: 22,088,874 km (0.092 R)
• M18: 22,664,227 km (0.039 R)
• M19: 23,844,704 km (0.092 R)
• M20: 40,074,278 km (0.111 R)
• M21: 45,699,457 km (0.113 R)
• M22: 50,993,127 km (0.092 R)
• M23: 63,161,268 km (0.096 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.1

Radius: 5

Gravity: 20.16 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.29 AU - 7.73 AU

Year: 14206 Days

Day: 23.1 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,687,691 km

• M1: 64,327 km (0.073 R)
• M2: 239,207 km (0.064 R)
• M3: 817,253 km (0.083 R)
• M4: 1,248,544 km (0.096 R)
• M5: 1,493,286 km (0.058 R)
• M6: 2,247,259 km (0.096 R)
• M7: 2,485,419 km (0.052 R)
• M8: 3,228,322 km (0.051 R)
• M9: 3,454,364 km (0.086 R)
• M10: 3,910,339 km (0.078 R)
• M11: 4,683,760 km (0.087 R)
• M12: 5,448,803 km (0.082 R)
• M13: 5,733,638 km (0.057 R)
• M14: 6,103,294 km (0.093 R)
• M15: 6,972,607 km (0.104 R)
• M16: 7,265,819 km (0.067 R)
• M17: 9,150,453 km (0.115 R)
• M18: 11,920,407 km (0.103 R)
• M19: 14,115,157 km (0.114 R)
• M20: 16,344,764 km (0.087 R)
• M21: 16,565,122 km (0.105 R)
• M22: 17,390,154 km (0.099 R)
• M23: 22,923,480 km (0.074 R)
• M24: 24,041,425 km (0.025 R)
• M25: 29,092,448 km (0.108 R)
• M26: 30,958,831 km (0.113 R)
• M27: 31,636,210 km (0.077 R)
• M28: 36,281,822 km (0.076 R)
• M29: 38,312,463 km (0.047 R)
• M30: 40,283,715 km (0.099 R)
• M31: 42,183,608 km (0.114 R)
• M32: 45,288,661 km (0.091 R)
• M33: 47,789,788 km (0.104 R)
• M34: 48,240,526 km (0.117 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 16,155 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit