🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.5

Radius: 14

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.5 AU - 0.56 AU

Year: 262 Days

Day: 8 Hours

Environment

Temp: -133 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,989,694 km

• M1: 174,132 km (0.047 R)
• M2: 625,469 km (0.05 R)
• M3: 1,210,845 km (0.06 R)
• M4: 1,771,688 km (0.109 R)
• M5: 2,565,005 km (0.04 R)
• M6: 3,059,576 km (0.11 R)
• M7: 3,498,795 km (0.118 R)
• M8: 4,003,987 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.7

Radius: 9.7

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.57 AU - 0.57 AU

Year: 292 Days

Day: 13.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 11.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 25,989,694 km

• M1: 120,576 km (0.095 R)
• M2: 474,824 km (0.074 R)
• M3: 788,830 km (0.074 R)
• M4: 1,139,936 km (0.093 R)
• M5: 1,460,973 km (0.094 R)
• M6: 1,810,733 km (0.095 R)
• M7: 2,321,909 km (0.097 R)
• M8: 2,742,727 km (0.075 R)
• M9: 3,369,542 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 451.3

Radius: 14.5

Gravity: 2.15 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.68 AU - 0.92 AU

Year: 485 Days

Day: 10.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 25,989,694 km

• M1: 180,714 km (0.093 R)
• M2: 692,788 km (0.094 R)
• M3: 1,174,642 km (0.062 R)
• M4: 1,654,852 km (0.105 R)
• M5: 2,500,229 km (0.101 R)
• M6: 3,306,113 km (0.097 R)
• M7: 4,160,018 km (0.101 R)
• M8: 5,172,047 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.9

Radius: 14.5

Gravity: 0.25 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.68 AU - 1 AU

Year: 522 Days

Day: 10.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 25,989,694 km

• M1: 180,415 km (0.111 R)
• M2: 867,518 km (0.078 R)
• M3: 1,713,344 km (0.099 R)
• M4: 2,308,295 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.3

Radius: 14.9

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.69 AU - 1.95 AU

Year: 1665 Days

Day: 12.9 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 25,989,694 km

• M1: 185,352 km (0.099 R)
• M2: 687,402 km (0.105 R)
• M3: 1,200,224 km (0.034 R)
• M4: 1,703,172 km (0.092 R)
• M5: 2,988,367 km (0.036 R)
• M6: 3,921,559 km (0.09 R)
• M7: 5,772,683 km (0.117 R)
• M8: 7,193,713 km (0.104 R)
• M9: 8,031,610 km (0.111 R)
• M10: 10,076,464 km (0.061 R)
• M11: 13,529,033 km (0.054 R)
• M12: 15,828,652 km (0.041 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582.2

Radius: 13.7

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.62 AU - 2.26 AU

Year: 1833 Days

Day: 9.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 25,989,694 km

• M1: 170,392 km (0.097 R)
• M2: 700,268 km (0.081 R)
• M3: 1,146,518 km (0.091 R)
• M4: 1,761,665 km (0.094 R)
• M5: 2,277,478 km (0.104 R)
• M6: 3,010,059 km (0.115 R)
• M7: 3,912,882 km (0.101 R)
• M8: 4,428,396 km (0.066 R)
• M9: 4,926,856 km (0.041 R)
• M10: 6,061,556 km (0.037 R)
• M11: 6,501,374 km (0.109 R)
• M12: 7,282,125 km (0.08 R)
• M13: 10,003,909 km (0.098 R)
• M14: 10,620,402 km (0.082 R)
• M15: 11,518,737 km (0.099 R)
• M16: 12,119,971 km (0.116 R)
• M17: 13,631,807 km (0.102 R)
• M18: 14,433,352 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152

Radius: 8.9

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 2.55 AU - 3.41 AU

Year: 3489 Days

Day: 13.9 Hours

Environment

Temp: -209 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 25,989,694 km

• M1: 117,135 km (0.07 R)
• M2: 707,000 km (0.067 R)
• M3: 1,293,573 km (0.042 R)
• M4: 1,620,893 km (0.081 R)
• M5: 2,187,719 km (0.081 R)
• M6: 3,764,930 km (0.107 R)
• M7: 4,251,123 km (0.108 R)
• M8: 4,617,937 km (0.03 R)
• M9: 5,026,788 km (0.111 R)
• M10: 5,415,443 km (0.087 R)
• M11: 5,777,470 km (0.081 R)
• M12: 6,475,045 km (0.091 R)
• M13: 7,500,239 km (0.041 R)
• M14: 8,095,339 km (0.106 R)
• M15: 10,584,199 km (0.111 R)
• M16: 12,975,521 km (0.097 R)
• M17: 13,708,102 km (0.092 R)

Asteroid Belt

Center: 3.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 3.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 78

Radius: 11

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 3.15 AU - 4.17 AU

Year: 4749 Days

Day: 10.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 25,989,694 km

• M1: 136,882 km (0.064 R)
• M2: 613,202 km (0.096 R)
• M3: 1,362,687 km (0.111 R)
• M4: 1,705,117 km (0.114 R)
• M5: 2,198,341 km (0.108 R)
• M6: 3,042,521 km (0.095 R)
• M7: 3,556,091 km (0.109 R)
• M8: 4,072,353 km (0.113 R)
• M9: 5,858,103 km (0.12 R)
• M10: 11,149,529 km (0.045 R)
• M11: 14,058,161 km (0.089 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.9

Radius: 13.1

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 3.57 AU - 3.95 AU

Year: 4945 Days

Day: 10.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,989,694 km

• M1: 163,361 km (0.101 R)
• M2: 727,195 km (0.114 R)
• M3: 2,334,026 km (0.073 R)
• M4: 2,823,809 km (0.055 R)
• M5: 3,327,057 km (0.109 R)
• M6: 3,930,983 km (0.088 R)
• M7: 7,652,081 km (0.065 R)
• M8: 8,288,919 km (0.116 R)
• M9: 9,217,473 km (0.078 R)
• M10: 10,095,612 km (0.077 R)
• M11: 13,782,601 km (0.12 R)
• M12: 16,578,137 km (0.095 R)
• M13: 17,645,966 km (0.096 R)
• M14: 19,547,206 km (0.075 R)
• M15: 20,547,567 km (0.092 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.1

Radius: 11.6

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 4.02 AU - 6.5 AU

Year: 8182 Days

Day: 8.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 25,989,694 km

• M1: 152,440 km (0.107 R)
• M2: 730,038 km (0.111 R)
• M3: 1,596,359 km (0.119 R)
• M4: 2,059,065 km (0.112 R)
• M5: 2,966,975 km (0.054 R)
• M6: 3,884,159 km (0.118 R)
• M7: 4,981,160 km (0.105 R)
• M8: 6,761,973 km (0.065 R)
• M9: 7,813,646 km (0.095 R)
• M10: 8,895,688 km (0.048 R)
• M11: 9,591,467 km (0.094 R)
• M12: 10,157,247 km (0.084 R)
• M13: 10,659,895 km (0.1 R)
• M14: 21,817,204 km (0.051 R)
• M15: 24,395,374 km (0.094 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 17,941 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit