🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.7

Radius: 13.6

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.68 AU - 0.78 AU

Year: 423 Days

Day: 8.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 65,575,833 km

• M1: 169,195 km (0.071 R)
• M2: 675,883 km (0.099 R)
• M3: 1,138,589 km (0.114 R)
• M4: 1,627,625 km (0.098 R)
• M5: 2,191,758 km (0.119 R)
• M6: 2,956,054 km (0.101 R)
• M7: 3,544,422 km (0.115 R)
• M8: 4,055,449 km (0.072 R)
• M9: 4,504,990 km (0.106 R)
• M10: 4,929,250 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.4

Radius: 12.4

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.6 AU - 0.9 AU

Year: 441 Days

Day: 7.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,575,833 km

• M1: 154,235 km (0.114 R)
• M2: 770,130 km (0.105 R)
• M3: 1,217,727 km (0.101 R)
• M4: 1,630,168 km (0.105 R)
• M5: 2,188,617 km (0.083 R)
• M6: 3,506,724 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 24.9

Radius: 14.9

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 0.67 AU - 0.87 AU

Year: 458 Days

Day: 13.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 65,575,833 km

• M1: 185,501 km (0.101 R)
• M2: 676,631 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643

Radius: 13

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.14 AU - 2.5 AU

Year: 2397 Days

Day: 14.7 Hours

Environment

Temp: -197 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,575,833 km

• M1: 161,715 km (0.083 R)
• M2: 577,149 km (0.108 R)
• M3: 1,027,289 km (0.045 R)
• M4: 1,578,706 km (0.084 R)
• M5: 2,299,020 km (0.09 R)
• M6: 2,848,792 km (0.049 R)
• M7: 3,467,828 km (0.089 R)
• M8: 5,392,106 km (0.069 R)
• M9: 6,776,933 km (0.101 R)
• M10: 8,419,069 km (0.043 R)
• M11: 8,909,900 km (0.072 R)
• M12: 9,454,286 km (0.107 R)
• M13: 10,275,878 km (0.09 R)
• M14: 10,761,024 km (0.111 R)
• M15: 11,458,000 km (0.105 R)
• M16: 11,939,256 km (0.114 R)
• M17: 12,433,827 km (0.106 R)
• M18: 13,420,275 km (0.061 R)
• M19: 13,955,387 km (0.12 R)
• M20: 15,500,583 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.8

Radius: 14.6

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.89 AU - 4.91 AU

Year: 7357 Days

Day: 7.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,575,833 km

• M1: 190,737 km (0.113 R)
• M2: 870,211 km (0.077 R)
• M3: 1,486,255 km (0.071 R)
• M4: 2,043,058 km (0.119 R)
• M5: 3,230,566 km (0.067 R)
• M6: 4,366,911 km (0.084 R)
• M7: 7,382,954 km (0.109 R)
• M8: 8,641,671 km (0.049 R)
• M9: 9,526,841 km (0.101 R)
• M10: 10,618,756 km (0.093 R)
• M11: 14,763,664 km (0.083 R)
• M12: 18,847,985 km (0.073 R)
• M13: 20,108,497 km (0.09 R)
• M14: 21,902,475 km (0.091 R)
• M15: 22,632,811 km (0.115 R)
• M16: 24,486,479 km (0.085 R)
• M17: 26,713,542 km (0.096 R)
• M18: 28,590,098 km (0.086 R)
• M19: 31,261,018 km (0.067 R)
• M20: 32,291,149 km (0.077 R)
• M21: 34,856,005 km (0.101 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 516.1

Radius: 7

Gravity: 10.53 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 7.11 AU - 10.97 AU

Year: 18435 Days

Day: 18.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,575,833 km

• M1: 87,066 km (0.061 R)
• M2: 432,039 km (0.045 R)
• M3: 863,180 km (0.064 R)
• M4: 1,085,931 km (0.053 R)
• M5: 1,419,534 km (0.053 R)
• M6: 1,981,873 km (0.078 R)
• M7: 2,894,868 km (0.069 R)
• M8: 4,437,522 km (0.099 R)
• M9: 4,835,751 km (0.055 R)
• M10: 6,671,616 km (0.077 R)
• M11: 9,032,271 km (0.09 R)
• M12: 10,285,003 km (0.113 R)
• M13: 10,746,812 km (0.048 R)
• M14: 16,776,204 km (0.112 R)
• M15: 17,254,618 km (0.119 R)
• M16: 17,741,859 km (0.079 R)
• M17: 20,049,406 km (0.12 R)
• M18: 22,936,944 km (0.116 R)
• M19: 25,458,715 km (0.087 R)
• M20: 27,494,742 km (0.12 R)
• M21: 28,948,684 km (0.062 R)
• M22: 29,406,154 km (0.089 R)
• M23: 29,636,685 km (0.116 R)
• M24: 30,218,471 km (0.088 R)
• M25: 30,689,255 km (0.096 R)
• M26: 31,887,534 km (0.093 R)
• M27: 34,249,984 km (0.056 R)
• M28: 35,278,619 km (0.106 R)
• M29: 36,063,559 km (0.088 R)
• M30: 36,593,285 km (0.098 R)
• M31: 36,860,018 km (0.06 R)
• M32: 38,213,430 km (0.079 R)
• M33: 52,086,687 km (0.1 R)
• M34: 63,823,538 km (0.112 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 514 - 12,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit