🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 794.5

Radius: 12.7

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.44 AU - 0.58 AU

Year: 251 Days

Day: 8.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,963,729 km

• M1: 159,023 km (0.095 R)
• M2: 681,568 km (0.116 R)
• M3: 1,107,772 km (0.102 R)
• M4: 1,543,700 km (0.031 R)
• M5: 2,149,273 km (0.06 R)
• M6: 2,751,404 km (0.086 R)
• M7: 3,750,718 km (0.084 R)
• M8: 4,173,781 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.8

Radius: 11.5

Gravity: 6.29 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.71 AU - 0.95 AU

Year: 522 Days

Day: 5.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,963,729 km

• M1: 143,016 km (0.085 R)
• M2: 506,239 km (0.091 R)
• M3: 1,028,485 km (0.072 R)
• M4: 1,432,400 km (0.058 R)
• M5: 2,669,275 km (0.116 R)
• M6: 3,167,137 km (0.108 R)
• M7: 3,740,096 km (0.066 R)
• M8: 4,672,989 km (0.07 R)
• M9: 5,228,446 km (0.116 R)
• M10: 5,610,967 km (0.071 R)
• M11: 6,690,316 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.5

Radius: 13.3

Gravity: 3.67 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.11 AU - 1.45 AU

Year: 1000 Days

Day: 9.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 48,963,729 km

• M1: 169,494 km (0.108 R)
• M2: 585,825 km (0.079 R)
• M3: 1,099,096 km (0.08 R)
• M4: 1,552,078 km (0.058 R)
• M5: 2,081,954 km (0.114 R)
• M6: 2,956,204 km (0.058 R)
• M7: 3,676,368 km (0.107 R)
• M8: 5,546,640 km (0.114 R)
• M9: 6,015,779 km (0.074 R)
• M10: 7,708,778 km (0.112 R)
• M11: 8,452,280 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.7

Radius: 10.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.46 AU - 2.02 AU

Year: 1584 Days

Day: 12 Hours

Environment

Temp: -206 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,963,729 km

• M1: 132,993 km (0.107 R)
• M2: 506,987 km (0.116 R)
• M3: 1,344,735 km (0.107 R)
• M4: 1,919,041 km (0.119 R)
• M5: 3,366,251 km (0.049 R)
• M6: 3,730,223 km (0.049 R)
• M7: 5,458,826 km (0.107 R)
• M8: 6,874,321 km (0.053 R)
• M9: 8,410,841 km (0.116 R)
• M10: 8,828,369 km (0.107 R)
• M11: 9,172,294 km (0.094 R)
• M12: 9,979,225 km (0.071 R)
• M13: 10,447,466 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.9

Radius: 9.5

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.54 AU - 5.4 AU

Year: 7648 Days

Day: 8.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,963,729 km

• M1: 119,828 km (0.095 R)
• M2: 451,337 km (0.1 R)
• M3: 822,938 km (0.085 R)
• M4: 1,199,925 km (0.103 R)
• M5: 1,510,041 km (0.09 R)
• M6: 2,024,059 km (0.061 R)
• M7: 2,577,721 km (0.117 R)
• M8: 2,920,450 km (0.117 R)
• M9: 3,675,171 km (0.091 R)
• M10: 4,316,048 km (0.091 R)
• M11: 4,636,038 km (0.117 R)
• M12: 5,661,531 km (0.07 R)
• M13: 9,070,867 km (0.092 R)
• M14: 9,420,178 km (0.071 R)
• M15: 9,915,197 km (0.077 R)
• M16: 10,810,989 km (0.087 R)
• M17: 12,387,152 km (0.119 R)
• M18: 12,763,242 km (0.107 R)
• M19: 18,096,854 km (0.067 R)
• M20: 19,003,717 km (0.119 R)
• M21: 20,308,958 km (0.108 R)
• M22: 24,498,895 km (0.067 R)
• M23: 26,839,952 km (0.069 R)
• M24: 30,674,295 km (0.091 R)
• M25: 35,286,248 km (0.112 R)
• M26: 36,810,351 km (0.054 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.3

Radius: 3.9

Gravity: 21.26 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.53 AU - 8.05 AU

Year: 12213 Days

Day: 21.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,963,729 km

• M1: 89,759 km (0.038 R)
• M2: 483,650 km (0.113 R)
• M3: 1,418,188 km (0.109 R)
• M4: 2,794,787 km (0.04 R)
• M5: 3,726,333 km (0.094 R)
• M6: 6,071,729 km (0.113 R)
• M7: 6,533,986 km (0.099 R)
• M8: 7,771,161 km (0.077 R)
• M9: 9,907,418 km (0.109 R)
• M10: 10,698,342 km (0.067 R)
• M11: 11,853,387 km (0.086 R)
• M12: 13,499,712 km (0.09 R)
• M13: 14,657,300 km (0.111 R)
• M14: 15,036,232 km (0.094 R)
• M15: 22,019,311 km (0.057 R)
• M16: 24,401,657 km (0.07 R)
• M17: 28,095,079 km (0.094 R)
• M18: 29,371,148 km (0.119 R)
• M19: 41,374,881 km (0.113 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 342.3

Radius: 4.1

Gravity: 20.36 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.31 AU - 7.99 AU

Year: 14605 Days

Day: 15.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 48,963,729 km

• M1: 51,162 km (0.084 R)
• M2: 287,078 km (0.106 R)
• M3: 430,692 km (0.046 R)
• M4: 669,750 km (0.045 R)
• M5: 824,434 km (0.11 R)
• M6: 1,207,255 km (0.096 R)
• M7: 2,997,343 km (0.045 R)
• M8: 3,181,348 km (0.088 R)
• M9: 3,348,599 km (0.095 R)
• M10: 4,021,789 km (0.1 R)
• M11: 4,843,081 km (0.117 R)
• M12: 5,359,493 km (0.093 R)
• M13: 9,843,390 km (0.035 R)
• M14: 10,302,357 km (0.045 R)
• M15: 11,539,830 km (0.097 R)
• M16: 11,708,277 km (0.055 R)
• M17: 13,922,326 km (0.033 R)
• M18: 15,566,855 km (0.111 R)
• M19: 20,032,800 km (0.099 R)
• M20: 20,194,815 km (0.093 R)
• M21: 20,357,577 km (0.12 R)
• M22: 23,893,174 km (0.082 R)
• M23: 24,258,641 km (0.116 R)
• M24: 24,535,098 km (0.061 R)
• M25: 25,282,639 km (0.093 R)
• M26: 26,238,270 km (0.114 R)
• M27: 26,529,537 km (0.099 R)
• M28: 27,217,687 km (0.116 R)
• M29: 28,527,117 km (0.098 R)
• M30: 31,162,284 km (0.085 R)
• M31: 31,817,971 km (0.105 R)
• M32: 33,043,926 km (0.084 R)
• M33: 39,141,086 km (0.096 R)
• M34: 40,160,745 km (0.115 R)
• M35: 46,228,285 km (0.118 R)
• M36: 48,670,770 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 19,633 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit