🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.5

Radius: 14.3

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.6 AU - 0.96 AU

Year: 467 Days

Day: 11.6 Hours

Environment

Temp: -156 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,074,099 km

• M1: 177,872 km (0.05 R)
• M2: 657,782 km (0.061 R)
• M3: 1,295,218 km (0.089 R)
• M4: 1,778,419 km (0.107 R)
• M5: 2,384,141 km (0.117 R)
• M6: 2,866,445 km (0.096 R)
• M7: 3,451,522 km (0.096 R)
• M8: 4,172,733 km (0.117 R)
• M9: 5,090,217 km (0.078 R)
• M10: 5,954,145 km (0.108 R)
• M11: 6,441,086 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.6

Radius: 8.5

Gravity: 5.86 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 0.71 AU - 1.01 AU

Year: 541 Days

Day: 13.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,074,099 km

• M1: 105,915 km (0.109 R)
• M2: 403,316 km (0.068 R)
• M3: 671,246 km (0.112 R)
• M4: 1,123,779 km (0.117 R)
• M5: 1,815,221 km (0.091 R)
• M6: 2,106,787 km (0.12 R)
• M7: 2,401,644 km (0.079 R)
• M8: 2,754,695 km (0.1 R)
• M9: 3,164,893 km (0.041 R)
• M10: 4,499,156 km (0.1 R)
• M11: 5,372,508 km (0.084 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.2

Radius: 8.1

Gravity: 8.75 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.74 AU - 1.06 AU

Year: 579 Days

Day: 8.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 60,074,099 km

• M1: 100,679 km (0.089 R)
• M2: 489,933 km (0.114 R)
• M3: 770,728 km (0.064 R)
• M4: 1,081,742 km (0.036 R)
• M5: 1,387,520 km (0.105 R)
• M6: 1,666,071 km (0.103 R)
• M7: 2,159,445 km (0.09 R)
• M8: 2,416,006 km (0.081 R)
• M9: 2,834,132 km (0.092 R)
• M10: 3,166,837 km (0.104 R)
• M11: 3,474,560 km (0.118 R)
• M12: 3,775,102 km (0.114 R)
• M13: 4,310,064 km (0.075 R)
• M14: 4,673,138 km (0.104 R)
• M15: 4,975,176 km (0.075 R)
• M16: 5,760,416 km (0.082 R)
• M17: 6,015,181 km (0.111 R)
• M18: 6,315,573 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531

Radius: 13.7

Gravity: 2.83 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.11 AU - 1.53 AU

Year: 1029 Days

Day: 7.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 115.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,074,099 km

• M1: 171,140 km (0.069 R)
• M2: 620,831 km (0.1 R)
• M3: 1,118,992 km (0.061 R)
• M4: 1,767,648 km (0.098 R)
• M5: 2,422,588 km (0.112 R)
• M6: 3,849,303 km (0.026 R)
• M7: 4,659,525 km (0.109 R)
• M8: 5,161,127 km (0.078 R)
• M9: 5,659,287 km (0.075 R)
• M10: 6,575,724 km (0.085 R)
• M11: 7,279,283 km (0.064 R)
• M12: 8,415,329 km (0.103 R)
• M13: 8,864,123 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.4

Radius: 9.7

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.51 AU - 1.77 AU

Year: 1424 Days

Day: 5.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,074,099 km

• M1: 120,875 km (0.089 R)
• M2: 470,186 km (0.034 R)
• M3: 790,475 km (0.1 R)
• M4: 1,369,120 km (0.108 R)
• M5: 1,887,177 km (0.058 R)
• M6: 2,219,733 km (0.06 R)
• M7: 3,280,981 km (0.117 R)
• M8: 3,740,096 km (0.095 R)
• M9: 4,129,500 km (0.088 R)
• M10: 4,864,773 km (0.087 R)
• M11: 5,412,900 km (0.111 R)
• M12: 5,894,754 km (0.046 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293.4

Radius: 8.4

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 1.7 AU - 2.48 AU

Year: 2049 Days

Day: 14 Hours

Environment

Temp: -206 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,074,099 km

• M1: 104,868 km (0.085 R)
• M2: 374,892 km (0.067 R)
• M3: 710,141 km (0.075 R)
• M4: 1,067,381 km (0.065 R)
• M5: 1,596,808 km (0.104 R)
• M6: 2,043,956 km (0.114 R)
• M7: 3,145,146 km (0.074 R)
• M8: 3,968,981 km (0.096 R)
• M9: 4,231,675 km (0.081 R)
• M10: 5,009,584 km (0.105 R)
• M11: 5,528,838 km (0.075 R)
• M12: 5,901,935 km (0.081 R)
• M13: 6,409,820 km (0.079 R)
• M14: 6,846,795 km (0.069 R)
• M15: 7,407,638 km (0.116 R)
• M16: 8,334,247 km (0.096 R)
• M17: 9,275,068 km (0.051 R)
• M18: 10,416,201 km (0.089 R)
• M19: 11,192,613 km (0.108 R)
• M20: 11,719,497 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404.8

Radius: 3.1

Gravity: 42.12 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 7.21 AU - 10.75 AU

Year: 18252 Days

Day: 15.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,074,099 km

• M1: 40,840 km (0.067 R)
• M2: 249,380 km (0.104 R)
• M3: 2,005,808 km (0.112 R)
• M4: 2,398,203 km (0.07 R)
• M5: 2,701,887 km (0.056 R)
• M6: 4,712,632 km (0.109 R)
• M7: 5,400,633 km (0.037 R)
• M8: 7,588,053 km (0.114 R)
• M9: 13,399,182 km (0.045 R)
• M10: 16,298,538 km (0.068 R)
• M11: 19,589,841 km (0.111 R)
• M12: 22,260,462 km (0.11 R)
• M13: 22,822,202 km (0.077 R)
• M14: 34,366,072 km (0.084 R)
• M15: 38,357,941 km (0.111 R)
• M16: 44,390,625 km (0.09 R)
• M17: 48,172,908 km (0.109 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: 555 - 11,823 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit