🌌 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: 768.7

Radius: 8.9

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.49 AU - 0.57 AU

Year: 266 Days

Day: 11.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,581,546 km

• M1: 110,702 km (0.109 R)
• M2: 404,812 km (0.119 R)
• M3: 712,684 km (0.097 R)
• M4: 1,050,925 km (0.076 R)
• M5: 1,350,420 km (0.072 R)
• M6: 2,705,627 km (0.056 R)
• M7: 3,184,939 km (0.096 R)
• M8: 3,538,887 km (0.032 R)
• M9: 4,288,223 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.7

Radius: 9.9

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.46 AU - 0.62 AU

Year: 274 Days

Day: 7.9 Hours

Environment

Temp: -138 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,581,546 km

• M1: 123,119 km (0.033 R)
• M2: 463,903 km (0.112 R)
• M3: 787,932 km (0.039 R)
• M4: 1,132,157 km (0.068 R)
• M5: 1,837,211 km (0.118 R)
• M6: 2,179,641 km (0.098 R)
• M7: 2,672,716 km (0.052 R)
• M8: 3,462,742 km (0.098 R)
• M9: 3,930,534 km (0.071 R)
• M10: 4,337,291 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.5

Radius: 8.1

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.41 AU - 0.67 AU

Year: 274 Days

Day: 12.3 Hours

Environment

Temp: -147 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 23,581,546 km

• M1: 100,829 km (0.077 R)
• M2: 421,118 km (0.06 R)
• M3: 696,677 km (0.038 R)
• M4: 978,819 km (0.109 R)
• M5: 1,333,067 km (0.107 R)
• M6: 1,810,882 km (0.104 R)
• M7: 2,079,261 km (0.092 R)
• M8: 2,503,670 km (0.041 R)
• M9: 3,012,602 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 116.1

Radius: 10

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.52 AU - 0.56 AU

Year: 274 Days

Day: 9.3 Hours

Environment

Temp: -137 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 23,581,546 km

• M1: 124,465 km (0.099 R)
• M2: 521,498 km (0.056 R)
• M3: 849,566 km (0.079 R)
• M4: 1,939,536 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.8

Radius: 11.7

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.53 AU - 0.65 AU

Year: 313 Days

Day: 9.1 Hours

Environment

Temp: -151 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 23,581,546 km

• M1: 145,559 km (0.109 R)
• M2: 528,529 km (0.114 R)
• M3: 927,806 km (0.099 R)
• M4: 1,406,220 km (0.092 R)
• M5: 2,280,021 km (0.048 R)
• M6: 2,798,827 km (0.058 R)
• M7: 3,209,772 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.6

Radius: 9.6

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.58 AU - 0.66 AU

Year: 337 Days

Day: 11 Hours

Environment

Temp: -149 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,581,546 km

• M1: 119,529 km (0.111 R)
• M2: 421,866 km (0.111 R)
• M3: 813,962 km (0.079 R)
• M4: 1,145,321 km (0.061 R)
• M5: 1,575,116 km (0.079 R)
• M6: 1,972,149 km (0.087 R)
• M7: 2,353,623 km (0.115 R)
• M8: 2,773,844 km (0.087 R)
• M9: 3,277,689 km (0.097 R)
• M10: 3,803,825 km (0.111 R)
• M11: 4,140,570 km (0.094 R)
• M12: 4,553,759 km (0.116 R)
• M13: 5,009,733 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.7

Radius: 9.3

Gravity: 7.71 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.63 AU - 0.91 AU

Year: 466 Days

Day: 12 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 23,581,546 km

• M1: 115,639 km (0.111 R)
• M2: 406,906 km (0.095 R)
• M3: 730,786 km (0.064 R)
• M4: 1,170,603 km (0.07 R)
• M5: 1,486,404 km (0.106 R)
• M6: 1,820,456 km (0.032 R)
• M7: 2,766,663 km (0.107 R)
• M8: 3,172,971 km (0.058 R)
• M9: 3,531,407 km (0.106 R)
• M10: 3,863,814 km (0.067 R)
• M11: 4,459,662 km (0.073 R)
• M12: 5,052,070 km (0.099 R)
• M13: 5,816,964 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.9

Radius: 14

Gravity: 1.97 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.53 AU - 3.55 AU

Year: 4597 Days

Day: 5.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 23,581,546 km

• M1: 174,730 km (0.109 R)
• M2: 688,001 km (0.064 R)
• M3: 1,520,363 km (0.034 R)
• M4: 2,195,349 km (0.112 R)
• M5: 2,961,888 km (0.043 R)
• M6: 5,565,938 km (0.118 R)
• M7: 6,455,148 km (0.059 R)
• M8: 7,964,441 km (0.093 R)
• M9: 8,481,302 km (0.041 R)
• M10: 11,239,438 km (0.119 R)
• M11: 13,752,682 km (0.109 R)
• M12: 16,899,174 km (0.104 R)
• M13: 17,929,903 km (0.117 R)
• M14: 18,880,897 km (0.079 R)
• M15: 21,078,340 km (0.119 R)
• M16: 22,204,962 km (0.071 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 16,119 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit