🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.4

Radius: 14.9

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 0.68 AU - 0.84 AU

Year: 457 Days

Day: 14.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,163,730 km

• M1: 185,352 km (0.11 R)
• M2: 769,831 km (0.077 R)
• M3: 1,247,497 km (0.115 R)
• M4: 1,877,154 km (0.106 R)
• M5: 2,605,397 km (0.091 R)
• M6: 3,093,086 km (0.083 R)
• M7: 3,591,994 km (0.028 R)
• M8: 4,214,322 km (0.099 R)
• M9: 4,846,373 km (0.062 R)
• M10: 6,173,455 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577

Radius: 12.3

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 1.42 AU - 1.58 AU

Year: 1268 Days

Day: 11.1 Hours

Environment

Temp: -199 °C

Axial Tilt: 18.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 50,163,730 km

• M1: 153,487 km (0.079 R)
• M2: 543,489 km (0.06 R)
• M3: 1,463,067 km (0.08 R)
• M4: 2,049,042 km (0.086 R)
• M5: 2,649,378 km (0.09 R)
• M6: 3,277,540 km (0.093 R)
• M7: 3,713,169 km (0.07 R)
• M8: 4,256,209 km (0.087 R)
• M9: 4,684,059 km (0.061 R)
• M10: 5,380,138 km (0.118 R)
• M11: 6,414,158 km (0.084 R)
• M12: 7,576,235 km (0.095 R)
• M13: 9,046,183 km (0.096 R)
• M14: 10,314,773 km (0.112 R)
• M15: 11,392,177 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.1

Radius: 11.5

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 1.5 AU - 2.2 AU

Year: 1737 Days

Day: 8.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 50,163,730 km

• M1: 143,016 km (0.114 R)
• M2: 517,908 km (0.074 R)
• M3: 917,035 km (0.087 R)
• M4: 1,310,328 km (0.07 R)
• M5: 1,828,684 km (0.085 R)
• M6: 2,959,345 km (0.068 R)
• M7: 3,398,265 km (0.044 R)
• M8: 4,349,708 km (0.116 R)
• M9: 4,877,489 km (0.119 R)
• M10: 6,061,855 km (0.069 R)
• M11: 7,042,170 km (0.11 R)
• M12: 7,429,030 km (0.081 R)
• M13: 7,859,124 km (0.034 R)
• M14: 8,769,726 km (0.118 R)
• M15: 9,348,820 km (0.088 R)
• M16: 10,335,717 km (0.113 R)
• M17: 11,018,930 km (0.119 R)
• M18: 11,579,474 km (0.11 R)
• M19: 12,356,335 km (0.065 R)
• M20: 14,100,497 km (0.073 R)
• M21: 14,583,249 km (0.036 R)
• M22: 15,077,072 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 386.7

Radius: 8.2

Gravity: 5.75 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 2.21 AU - 2.91 AU

Year: 2827 Days

Day: 7.7 Hours

Environment

Temp: -198 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,163,730 km

• M1: 102,325 km (0.062 R)
• M2: 1,070,074 km (0.085 R)
• M3: 1,556,865 km (0.079 R)
• M4: 2,013,288 km (0.077 R)
• M5: 3,001,831 km (0.057 R)
• M6: 3,360,567 km (0.078 R)
• M7: 4,263,240 km (0.082 R)
• M8: 5,365,477 km (0.044 R)
• M9: 7,229,766 km (0.077 R)
• M10: 7,756,051 km (0.094 R)
• M11: 9,352,560 km (0.091 R)
• M12: 11,272,200 km (0.078 R)
• M13: 11,701,396 km (0.036 R)
• M14: 11,979,947 km (0.079 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.6

Radius: 3.9

Gravity: 42.31 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.7 AU - 7 AU

Year: 11045 Days

Day: 18.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 50,163,730 km

• M1: 63,579 km (0.043 R)
• M2: 253,718 km (0.068 R)
• M3: 408,851 km (0.049 R)
• M4: 841,039 km (0.083 R)
• M5: 2,160,492 km (0.071 R)
• M6: 2,886,192 km (0.114 R)
• M7: 4,230,777 km (0.109 R)
• M8: 4,707,247 km (0.119 R)
• M9: 5,590,772 km (0.119 R)
• M10: 7,636,971 km (0.094 R)
• M11: 12,941,113 km (0.084 R)
• M12: 14,391,016 km (0.092 R)
• M13: 16,945,100 km (0.105 R)
• M14: 17,534,366 km (0.097 R)
• M15: 23,376,313 km (0.117 R)
• M16: 25,997,268 km (0.102 R)
• M17: 40,489,262 km (0.066 R)
• M18: 40,619,711 km (0.093 R)
• M19: 42,341,134 km (0.094 R)
• M20: 43,561,105 km (0.077 R)
• M21: 44,804,263 km (0.118 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: 261 - 20,221 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit