🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258

Radius: 12.2

Gravity: 1.73 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.45 AU - 0.63 AU

Year: 274 Days

Day: 10.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 91,409,803 km

• M1: 152,291 km (0.052 R)
• M2: 589,864 km (0.085 R)
• M3: 1,214,136 km (0.12 R)
• M4: 1,838,857 km (0.091 R)
• M5: 2,590,886 km (0.071 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.5

Radius: 14.2

Gravity: 3.21 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.61 AU - 0.77 AU

Year: 396 Days

Day: 6.9 Hours

Environment

Temp: -154 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 91,409,803 km

• M1: 176,525 km (0.083 R)
• M2: 623,524 km (0.079 R)
• M3: 1,491,192 km (0.039 R)
• M4: 2,248,456 km (0.045 R)
• M5: 2,871,082 km (0.059 R)
• M6: 3,329,899 km (0.066 R)
• M7: 3,888,049 km (0.087 R)
• M8: 4,620,330 km (0.059 R)
• M9: 5,072,714 km (0.101 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.8

Radius: 11.1

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.74 AU - 0.86 AU

Year: 494 Days

Day: 14.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,409,803 km

• M1: 138,378 km (0.102 R)
• M2: 491,429 km (0.098 R)
• M3: 873,352 km (0.074 R)
• M4: 1,361,191 km (0.077 R)
• M5: 2,052,483 km (0.118 R)
• M6: 2,527,007 km (0.068 R)
• M7: 2,922,095 km (0.12 R)
• M8: 3,723,790 km (0.083 R)
• M9: 4,363,919 km (0.11 R)
• M10: 4,830,216 km (0.081 R)
• M11: 5,313,716 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.2

Radius: 10.8

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 0.77 AU - 0.89 AU

Year: 522 Days

Day: 5.4 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 91,409,803 km

• M1: 134,339 km (0.097 R)
• M2: 622,327 km (0.102 R)
• M3: 1,148,313 km (0.117 R)
• M4: 1,938,639 km (0.114 R)
• M5: 2,591,334 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.7

Radius: 14.6

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.49 AU - 2.47 AU

Year: 1923 Days

Day: 8.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 91,409,803 km

• M1: 181,612 km (0.046 R)
• M2: 705,952 km (0.118 R)
• M3: 1,263,204 km (0.031 R)
• M4: 2,060,112 km (0.094 R)
• M5: 2,655,213 km (0.116 R)
• M6: 3,136,319 km (0.096 R)
• M7: 3,603,514 km (0.072 R)
• M8: 4,426,003 km (0.087 R)
• M9: 5,201,219 km (0.078 R)
• M10: 5,820,853 km (0.066 R)
• M11: 6,797,727 km (0.083 R)
• M12: 8,106,260 km (0.038 R)
• M13: 9,605,380 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.2

Radius: 12.6

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.55 AU - 2.55 AU

Year: 2026 Days

Day: 7.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 91,409,803 km

• M1: 156,629 km (0.116 R)
• M2: 591,510 km (0.038 R)
• M3: 1,108,221 km (0.105 R)
• M4: 1,667,567 km (0.108 R)
• M5: 2,321,909 km (0.071 R)
• M6: 2,966,526 km (0.029 R)
• M7: 3,455,561 km (0.068 R)
• M8: 4,508,431 km (0.075 R)
• M9: 5,955,192 km (0.106 R)
• M10: 6,394,860 km (0.102 R)
• M11: 10,047,442 km (0.102 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.2

Radius: 13.5

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.35 AU - 2.37 AU

Year: 2503 Days

Day: 8.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 91,409,803 km

• M1: 167,998 km (0.092 R)
• M2: 721,211 km (0.064 R)
• M3: 1,230,891 km (0.107 R)
• M4: 1,691,354 km (0.037 R)
• M5: 2,485,569 km (0.114 R)
• M6: 2,989,713 km (0.118 R)
• M7: 3,607,702 km (0.089 R)
• M8: 4,521,895 km (0.097 R)
• M9: 5,220,068 km (0.108 R)
• M10: 6,299,417 km (0.081 R)
• M11: 7,496,948 km (0.103 R)
• M12: 8,394,535 km (0.063 R)
• M13: 10,277,374 km (0.111 R)
• M14: 11,018,332 km (0.039 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.1

Radius: 8

Gravity: 14.6 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.97 AU - 11.47 AU

Year: 22552 Days

Day: 22.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 91,409,803 km

• M1: 102,774 km (0.11 R)
• M2: 588,817 km (0.107 R)
• M3: 1,167,611 km (0.03 R)
• M4: 3,091,590 km (0.119 R)
• M5: 5,189,401 km (0.12 R)
• M6: 7,158,557 km (0.065 R)
• M7: 8,200,207 km (0.081 R)
• M8: 11,107,343 km (0.061 R)
• M9: 11,719,946 km (0.088 R)
• M10: 12,283,332 km (0.041 R)
• M11: 16,481,048 km (0.047 R)
• M12: 18,662,634 km (0.096 R)
• M13: 21,132,494 km (0.104 R)
• M14: 22,285,146 km (0.054 R)
• M15: 23,259,028 km (0.042 R)
• M16: 26,231,687 km (0.053 R)
• M17: 28,057,081 km (0.112 R)
• M18: 32,918,712 km (0.057 R)
• M19: 34,323,137 km (0.057 R)
• M20: 36,503,825 km (0.104 R)
• M21: 38,160,622 km (0.118 R)
• M22: 69,135,459 km (0.092 R)
• M23: 76,668,759 km (0.109 R)
• M24: 80,130,005 km (0.04 R)
• M25: 84,211,633 km (0.133 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 459 - 16,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit