🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.3

Radius: 8.2

Gravity: 12.9 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.8 AU - 0.86 AU

Year: 504 Days

Day: 13.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,274,329 km

• M1: 102,026 km (0.098 R)
• M2: 376,089 km (0.108 R)
• M3: 633,697 km (0.12 R)
• M4: 912,697 km (0.094 R)
• M5: 1,772,585 km (0.116 R)
• M6: 2,716,548 km (0.094 R)
• M7: 3,386,896 km (0.077 R)
• M8: 3,962,249 km (0.108 R)
• M9: 4,648,155 km (0.116 R)
• M10: 5,204,211 km (0.099 R)
• M11: 5,877,401 km (0.073 R)
• M12: 6,627,335 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.7

Radius: 12.2

Gravity: 1.64 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.16 AU - 1.46 AU

Year: 1000 Days

Day: 10.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 30,274,329 km

• M1: 152,889 km (0.115 R)
• M2: 533,167 km (0.116 R)
• M3: 955,182 km (0.119 R)
• M4: 1,425,369 km (0.107 R)
• M5: 1,954,347 km (0.091 R)
• M6: 2,529,251 km (0.075 R)
• M7: 3,082,763 km (0.116 R)
• M8: 3,839,130 km (0.108 R)
• M9: 4,496,164 km (0.057 R)
• M10: 5,684,270 km (0.108 R)
• M11: 6,303,306 km (0.078 R)
• M12: 6,987,717 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 675.9

Radius: 13.6

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 1.72 AU - 2.12 AU

Year: 1774 Days

Day: 11 Hours

Environment

Temp: -202 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,274,329 km

• M1: 169,195 km (0.116 R)
• M2: 625,917 km (0.078 R)
• M3: 1,296,714 km (0.038 R)
• M4: 2,607,341 km (0.082 R)
• M5: 3,121,210 km (0.07 R)
• M6: 4,019,844 km (0.046 R)
• M7: 4,510,825 km (0.089 R)
• M8: 5,433,843 km (0.083 R)
• M9: 5,940,831 km (0.055 R)
• M10: 7,682,898 km (0.113 R)
• M11: 8,873,398 km (0.073 R)
• M12: 10,013,034 km (0.062 R)
• M13: 10,813,682 km (0.109 R)
• M14: 13,934,593 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.4

Radius: 12.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.95 AU - 2.55 AU

Year: 2251 Days

Day: 8.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 103.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,274,329 km

• M1: 154,235 km (0.073 R)
• M2: 651,200 km (0.093 R)
• M3: 1,119,291 km (0.092 R)
• M4: 1,657,844 km (0.098 R)
• M5: 2,162,886 km (0.075 R)
• M6: 2,682,888 km (0.107 R)
• M7: 3,754,458 km (0.08 R)
• M8: 4,490,629 km (0.063 R)
• M9: 5,603,487 km (0.11 R)
• M10: 5,996,032 km (0.08 R)
• M11: 6,539,372 km (0.101 R)
• M12: 7,488,720 km (0.109 R)
• M13: 7,935,718 km (0.113 R)
• M14: 9,487,946 km (0.032 R)
• M15: 9,941,078 km (0.111 R)
• M16: 10,372,368 km (0.095 R)
• M17: 10,853,475 km (0.1 R)
• M18: 12,802,885 km (0.07 R)
• M19: 17,281,097 km (0.074 R)

Asteroid Belt

Center: 2.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.2

Radius: 12.2

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.52 AU - 3.52 AU

Year: 3500 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,274,329 km

• M1: 152,440 km (0.119 R)
• M2: 594,053 km (0.038 R)
• M3: 1,008,589 km (0.042 R)
• M4: 2,031,988 km (0.101 R)
• M5: 3,708,830 km (0.11 R)
• M6: 4,164,805 km (0.099 R)
• M7: 4,594,450 km (0.119 R)
• M8: 5,283,049 km (0.116 R)
• M9: 6,013,984 km (0.103 R)
• M10: 6,894,667 km (0.05 R)
• M11: 7,557,834 km (0.055 R)
• M12: 8,013,060 km (0.078 R)
• M13: 8,422,360 km (0.088 R)
• M14: 8,978,565 km (0.089 R)
• M15: 10,986,468 km (0.079 R)
• M16: 12,177,566 km (0.067 R)
• M17: 12,932,437 km (0.07 R)
• M18: 13,452,888 km (0.099 R)
• M19: 14,259,669 km (0.027 R)
• M20: 16,317,687 km (0.117 R)
• M21: 17,131,799 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 919

Radius: 9.6

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.64 AU - 4.04 AU

Year: 4071 Days

Day: 10.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,274,329 km

• M1: 119,529 km (0.11 R)
• M2: 701,315 km (0.102 R)
• M3: 1,246,001 km (0.101 R)
• M4: 1,656,497 km (0.102 R)
• M5: 2,466,869 km (0.099 R)
• M6: 4,256,059 km (0.063 R)
• M7: 4,597,292 km (0.089 R)
• M8: 5,908,667 km (0.072 R)
• M9: 7,593,738 km (0.116 R)
• M10: 8,584,973 km (0.083 R)
• M11: 8,933,835 km (0.032 R)
• M12: 10,644,936 km (0.054 R)
• M13: 11,276,388 km (0.108 R)
• M14: 11,601,315 km (0.107 R)
• M15: 18,003,655 km (0.051 R)
• M16: 18,384,082 km (0.11 R)
• M17: 23,453,954 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 867.5

Radius: 8.4

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.69 AU - 4.41 AU

Year: 4460 Days

Day: 7.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 4.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,274,329 km

• M1: 114,442 km (0.035 R)
• M2: 452,683 km (0.094 R)
• M3: 1,198,578 km (0.108 R)
• M4: 1,583,643 km (0.117 R)
• M5: 2,927,630 km (0.065 R)
• M6: 4,395,784 km (0.116 R)
• M7: 4,724,450 km (0.084 R)
• M8: 6,719,338 km (0.119 R)
• M9: 8,543,834 km (0.066 R)
• M10: 10,364,290 km (0.117 R)
• M11: 11,506,619 km (0.1 R)
• M12: 11,986,380 km (0.059 R)
• M13: 12,934,531 km (0.097 R)
• M14: 13,558,504 km (0.026 R)
• M15: 16,557,193 km (0.07 R)
• M16: 18,242,862 km (0.11 R)
• M17: 19,227,366 km (0.04 R)
• M18: 19,902,950 km (0.094 R)
• M19: 27,895,964 km (0.117 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 332 - 14,023 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit