🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.2

Radius: 11.9

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.71 AU - 0.81 AU

Year: 442 Days

Day: 14.1 Hours

Environment

Temp: -154 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,125,530 km

• M1: 147,952 km (0.062 R)
• M2: 549,024 km (0.095 R)
• M3: 959,222 km (0.102 R)
• M4: 1,786,797 km (0.109 R)
• M5: 2,605,247 km (0.088 R)
• M6: 3,100,715 km (0.115 R)
• M7: 3,500,141 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.9

Radius: 10.1

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 0.92 AU - 1.06 AU

Year: 657 Days

Day: 14.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 30,125,530 km

• M1: 125,662 km (0.114 R)
• M2: 542,143 km (0.097 R)
• M3: 1,073,215 km (0.087 R)
• M4: 1,627,774 km (0.115 R)
• M5: 1,983,817 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 50.5

Radius: 8.1

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.15 AU - 1.33 AU

Year: 921 Days

Day: 11.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 30,125,530 km

• M1: 100,679 km (0.111 R)
• M2: 679,174 km (0.065 R)
• M3: 1,067,381 km (0.117 R)
• M4: 1,747,004 km (0.114 R)
• M5: 2,233,047 km (0.104 R)
• M6: 2,521,323 km (0.088 R)
• M7: 3,024,719 km (0.084 R)
• M8: 3,749,222 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 850.9

Radius: 13

Gravity: 5.03 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 1.41 AU - 2.01 AU

Year: 1491 Days

Day: 14.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 102.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,125,530 km

• M1: 161,715 km (0.082 R)
• M2: 808,128 km (0.107 R)
• M3: 1,277,117 km (0.095 R)
• M4: 1,952,551 km (0.027 R)
• M5: 2,597,767 km (0.074 R)
• M6: 3,074,386 km (0.111 R)
• M7: 3,527,069 km (0.067 R)
• M8: 4,375,139 km (0.08 R)
• M9: 5,289,631 km (0.046 R)
• M10: 5,897,148 km (0.035 R)
• M11: 6,753,745 km (0.071 R)
• M12: 7,306,510 km (0.115 R)
• M13: 9,992,240 km (0.104 R)
• M14: 10,433,404 km (0.091 R)
• M15: 10,958,493 km (0.11 R)
• M16: 11,391,279 km (0.101 R)
• M17: 12,023,929 km (0.104 R)
• M18: 13,441,369 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.6

Radius: 11.5

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 2.19 AU - 2.33 AU

Year: 2266 Days

Day: 12.3 Hours

Environment

Temp: -204 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,125,530 km

• M1: 144,512 km (0.096 R)
• M2: 740,360 km (0.112 R)
• M3: 1,187,957 km (0.075 R)
• M4: 1,907,223 km (0.109 R)
• M5: 2,530,149 km (0.071 R)
• M6: 3,007,216 km (0.055 R)
• M7: 3,724,688 km (0.117 R)
• M8: 5,523,752 km (0.115 R)
• M9: 6,358,657 km (0.065 R)
• M10: 7,102,608 km (0.034 R)
• M11: 8,896,735 km (0.105 R)
• M12: 9,337,151 km (0.061 R)
• M13: 10,043,253 km (0.097 R)
• M14: 11,721,741 km (0.075 R)
• M15: 12,883,069 km (0.118 R)
• M16: 14,164,974 km (0.101 R)
• M17: 14,766,507 km (0.076 R)
• M18: 15,433,264 km (0.114 R)
• M19: 16,119,919 km (0.061 R)
• M20: 16,572,153 km (0.064 R)
• M21: 17,032,765 km (0.083 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.5

Radius: 12.4

Gravity: 2.51 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 2.63 AU - 3.75 AU

Year: 3799 Days

Day: 12.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 30,125,530 km

• M1: 154,235 km (0.084 R)
• M2: 541,993 km (0.118 R)
• M3: 949,946 km (0.066 R)
• M4: 1,339,350 km (0.045 R)
• M5: 1,827,039 km (0.091 R)
• M6: 2,293,485 km (0.087 R)
• M7: 4,582,781 km (0.042 R)
• M8: 6,051,383 km (0.083 R)
• M9: 8,137,227 km (0.119 R)
• M10: 9,128,312 km (0.115 R)
• M11: 10,863,349 km (0.057 R)
• M12: 11,682,547 km (0.031 R)
• M13: 12,280,190 km (0.111 R)
• M14: 13,123,772 km (0.049 R)
• M15: 14,292,281 km (0.102 R)
• M16: 15,887,593 km (0.108 R)
• M17: 16,997,160 km (0.083 R)
• M18: 18,786,351 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.9

Radius: 8.1

Gravity: 11.23 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.41 AU - 4.05 AU

Year: 4804 Days

Day: 9.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 100.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,125,530 km

• M1: 100,679 km (0.081 R)
• M2: 416,032 km (0.08 R)
• M3: 672,293 km (0.114 R)
• M4: 1,021,454 km (0.05 R)
• M5: 1,513,332 km (0.057 R)
• M6: 2,200,435 km (0.107 R)
• M7: 2,623,647 km (0.07 R)
• M8: 3,944,597 km (0.101 R)
• M9: 4,201,905 km (0.091 R)
• M10: 6,081,004 km (0.075 R)
• M11: 7,153,172 km (0.046 R)
• M12: 7,572,644 km (0.073 R)
• M13: 8,194,971 km (0.119 R)
• M14: 9,624,977 km (0.05 R)
• M15: 10,050,135 km (0.025 R)
• M16: 10,937,998 km (0.117 R)
• M17: 11,401,003 km (0.066 R)
• M18: 12,716,866 km (0.091 R)
• M19: 15,588,996 km (0.092 R)
• M20: 16,655,479 km (0.086 R)
• M21: 18,087,879 km (0.05 R)
• M22: 20,422,653 km (0.106 R)
• M23: 21,698,274 km (0.093 R)
• M24: 24,251,460 km (0.115 R)
• M25: 26,998,227 km (0.063 R)
• M26: 30,125,570 km (0.064 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: 454 - 16,999 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit