🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.2

Radius: 8.4

Gravity: 13.06 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.54 AU - 0.66 AU

Year: 321 Days

Day: 11.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,818,538 km

• M1: 104,419 km (0.097 R)
• M2: 419,921 km (0.064 R)
• M3: 683,662 km (0.098 R)
• M4: 994,975 km (0.116 R)
• M5: 1,346,680 km (0.108 R)
• M6: 1,809,985 km (0.105 R)
• M7: 2,125,187 km (0.108 R)
• M8: 2,523,566 km (0.117 R)
• M9: 3,164,444 km (0.119 R)
• M10: 3,734,711 km (0.115 R)
• M11: 4,051,110 km (0.099 R)
• M12: 4,840,090 km (0.12 R)
• M13: 5,170,701 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.6

Radius: 11.2

Gravity: 7.44 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.8 AU - 0.84 AU

Year: 513 Days

Day: 13.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,818,538 km

• M1: 139,276 km (0.071 R)
• M2: 585,975 km (0.095 R)
• M3: 985,551 km (0.089 R)
• M4: 1,550,133 km (0.09 R)
• M5: 1,903,932 km (0.082 R)
• M6: 2,523,118 km (0.061 R)
• M7: 3,235,204 km (0.114 R)
• M8: 3,619,072 km (0.108 R)
• M9: 4,004,885 km (0.073 R)
• M10: 4,357,487 km (0.082 R)
• M11: 4,795,061 km (0.1 R)
• M12: 5,227,698 km (0.118 R)
• M13: 6,847,843 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 999.1

Radius: 9

Gravity: 12.33 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 0.94 AU - 1.28 AU

Year: 807 Days

Day: 6.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 39,818,538 km

• M1: 111,899 km (0.033 R)
• M2: 561,142 km (0.115 R)
• M3: 850,613 km (0.067 R)
• M4: 1,236,277 km (0.116 R)
• M5: 1,692,999 km (0.066 R)
• M6: 2,071,033 km (0.072 R)
• M7: 2,391,172 km (0.102 R)
• M8: 3,453,766 km (0.083 R)
• M9: 3,736,207 km (0.058 R)
• M10: 4,382,021 km (0.102 R)
• M11: 4,696,176 km (0.084 R)
• M12: 5,874,110 km (0.079 R)
• M13: 6,543,411 km (0.114 R)
• M14: 7,214,657 km (0.118 R)
• M15: 8,214,718 km (0.115 R)
• M16: 8,585,871 km (0.091 R)
• M17: 9,854,909 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 71.3

Radius: 9.1

Gravity: 0.86 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 2.24 AU - 2.72 AU

Year: 2696 Days

Day: 10.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,818,538 km

• M1: 113,096 km (0.094 R)
• M2: 508,334 km (0.08 R)
• M3: 977,323 km (0.118 R)
• M4: 1,908,270 km (0.109 R)
• M5: 2,265,061 km (0.064 R)
• M6: 3,233,857 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 470.4

Radius: 8.1

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.12 AU - 4.36 AU

Year: 6026 Days

Day: 9.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 46.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 39,818,538 km

• M1: 100,979 km (0.067 R)
• M2: 490,980 km (0.092 R)
• M3: 920,775 km (0.095 R)
• M4: 1,221,167 km (0.051 R)
• M5: 1,661,284 km (0.079 R)
• M6: 2,474,947 km (0.11 R)
• M7: 3,008,712 km (0.102 R)
• M8: 3,303,121 km (0.047 R)
• M9: 3,814,746 km (0.067 R)
• M10: 4,402,516 km (0.079 R)
• M11: 4,705,451 km (0.11 R)
• M12: 6,339,659 km (0.117 R)
• M13: 6,926,232 km (0.093 R)
• M14: 7,983,590 km (0.094 R)
• M15: 8,358,931 km (0.09 R)
• M16: 8,667,701 km (0.065 R)
• M17: 11,046,307 km (0.112 R)
• M18: 11,798,784 km (0.078 R)
• M19: 13,249,135 km (0.118 R)
• M20: 15,670,975 km (0.063 R)
• M21: 17,232,777 km (0.114 R)
• M22: 21,371,402 km (0.062 R)
• M23: 22,463,766 km (0.041 R)
• M24: 22,986,162 km (0.114 R)
• M25: 27,972,259 km (0.115 R)
• M26: 29,455,671 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 69.2

Radius: 3

Gravity: 7.69 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 9.44 AU - 11.76 AU

Year: 23822 Days

Day: 23.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 39,818,538 km

• M1: 37,549 km (0.051 R)
• M2: 820,395 km (0.096 R)
• M3: 939,026 km (0.063 R)
• M4: 2,101,700 km (0.112 R)
• M5: 2,325,200 km (0.116 R)
• M6: 3,112,683 km (0.067 R)
• M7: 12,326,416 km (0.064 R)
• M8: 14,155,399 km (0.107 R)
• M9: 18,411,908 km (0.087 R)
• M10: 22,619,647 km (0.091 R)
• M11: 28,748,821 km (0.052 R)
• M12: 29,134,634 km (0.081 R)
• M13: 31,318,464 km (0.101 R)
• M14: 33,715,770 km (0.073 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: 180 - 15,774 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit