🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.72

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.57 AU - 0.57 AU

Year: 274 Days

Day: 26.1 Hours

Environment

Temp: -115 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.5

Radius: 13.3

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.74 AU - 1 AU

Year: 516 Days

Day: 14.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,914,415 km

• M1: 165,455 km (0.092 R)
• M2: 675,285 km (0.085 R)
• M3: 1,583,194 km (0.116 R)
• M4: 2,136,856 km (0.06 R)
• M5: 2,963,235 km (0.095 R)
• M6: 4,177,221 km (0.099 R)
• M7: 5,249,240 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.5

Radius: 12.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.1 AU - 1.66 AU

Year: 1031 Days

Day: 8 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,914,415 km

• M1: 154,235 km (0.106 R)
• M2: 743,501 km (0.066 R)
• M3: 1,415,345 km (0.103 R)
• M4: 2,021,666 km (0.074 R)
• M5: 2,708,619 km (0.072 R)
• M6: 3,303,121 km (0.07 R)
• M7: 3,787,818 km (0.096 R)
• M8: 5,288,734 km (0.075 R)
• M9: 5,825,042 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.8

Radius: 9.6

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 3.36 AU - 3.54 AU

Year: 4074 Days

Day: 12.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,914,415 km

• M1: 119,529 km (0.114 R)
• M2: 431,590 km (0.118 R)
• M3: 819,048 km (0.1 R)
• M4: 1,136,794 km (0.056 R)
• M5: 1,527,245 km (0.104 R)
• M6: 1,887,776 km (0.089 R)
• M7: 3,082,913 km (0.095 R)
• M8: 3,423,846 km (0.085 R)
• M9: 4,388,304 km (0.078 R)
• M10: 4,698,271 km (0.073 R)
• M11: 5,606,330 km (0.047 R)
• M12: 6,689,119 km (0.088 R)
• M13: 7,329,697 km (0.105 R)
• M14: 9,110,062 km (0.057 R)
• M15: 9,656,393 km (0.063 R)
• M16: 10,307,443 km (0.12 R)
• M17: 11,606,551 km (0.083 R)
• M18: 16,156,570 km (0.038 R)
• M19: 16,783,535 km (0.037 R)
• M20: 17,308,474 km (0.104 R)
• M21: 18,086,083 km (0.094 R)
• M22: 18,452,748 km (0.088 R)
• M23: 20,691,330 km (0.112 R)
• M24: 24,491,266 km (0.107 R)
• M25: 24,940,209 km (0.119 R)

Asteroid Belt

Center: 3.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 81.1

Radius: 13.6

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 3.64 AU - 4.74 AU

Year: 5453 Days

Day: 11.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,914,415 km

• M1: 169,195 km (0.097 R)
• M2: 1,287,888 km (0.057 R)
• M3: 1,855,762 km (0.119 R)
• M4: 3,459,301 km (0.113 R)
• M5: 4,516,360 km (0.114 R)
• M6: 5,296,662 km (0.092 R)
• M7: 6,699,292 km (0.094 R)
• M8: 8,613,097 km (0.111 R)
• M9: 10,262,414 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.9

Radius: 13.2

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 3.48 AU - 5.52 AU

Year: 6069 Days

Day: 6 Hours

Environment

Temp: -213 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 48,914,415 km

• M1: 164,109 km (0.11 R)
• M2: 961,914 km (0.061 R)
• M3: 1,520,513 km (0.088 R)
• M4: 2,944,385 km (0.082 R)
• M5: 3,754,458 km (0.107 R)
• M6: 4,233,470 km (0.075 R)
• M7: 4,982,357 km (0.085 R)
• M8: 6,242,420 km (0.108 R)
• M9: 7,006,117 km (0.107 R)
• M10: 8,317,043 km (0.119 R)
• M11: 8,822,834 km (0.091 R)
• M12: 10,046,095 km (0.117 R)
• M13: 10,895,961 km (0.03 R)
• M14: 11,877,323 km (0.047 R)
• M15: 12,961,160 km (0.093 R)
• M16: 15,526,314 km (0.088 R)
• M17: 18,356,706 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136.4

Radius: 5.6

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 8.24 AU - 13.7 AU

Year: 23102 Days

Day: 22.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,914,415 km

• M1: 73,453 km (0.094 R)
• M2: 258,655 km (0.066 R)
• M3: 448,794 km (0.112 R)
• M4: 823,686 km (0.096 R)
• M5: 999,314 km (0.107 R)
• M6: 2,624,844 km (0.056 R)
• M7: 3,102,809 km (0.119 R)
• M8: 3,436,113 km (0.095 R)
• M9: 7,675,867 km (0.114 R)
• M10: 8,693,581 km (0.063 R)
• M11: 10,726,018 km (0.119 R)
• M12: 11,047,803 km (0.085 R)
• M13: 11,431,372 km (0.075 R)
• M14: 11,880,464 km (0.108 R)
• M15: 12,341,376 km (0.108 R)
• M16: 17,112,201 km (0.075 R)
• M17: 18,453,197 km (0.091 R)
• M18: 19,622,902 km (0.116 R)
• M19: 23,788,006 km (0.102 R)
• M20: 24,335,385 km (0.045 R)
• M21: 24,612,141 km (0.07 R)
• M22: 25,078,138 km (0.118 R)
• M23: 25,645,114 km (0.113 R)
• M24: 26,511,435 km (0.082 R)
• M25: 30,385,123 km (0.113 R)
• M26: 31,029,441 km (0.117 R)
• M27: 31,792,390 km (0.074 R)
• M28: 34,619,939 km (0.102 R)
• M29: 41,421,107 km (0.086 R)
• M30: 41,815,896 km (0.071 R)
• M31: 44,511,201 km (0.079 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 516 - 14,272 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit