🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.1

Radius: 12.3

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.54 AU - 0.66 AU

Year: 321 Days

Day: 11.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 14,088,046 km

• M1: 153,039 km (0.08 R)
• M2: 717,471 km (0.062 R)
• M3: 1,102,088 km (0.113 R)
• M4: 1,544,598 km (0.091 R)
• M5: 1,938,190 km (0.072 R)
• M6: 2,849,839 km (0.117 R)
• M7: 3,335,135 km (0.097 R)
• M8: 3,957,312 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 321

Radius: 11.2

Gravity: 2.56 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.6 AU - 0.66 AU

Year: 345 Days

Day: 13.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 14,088,046 km

• M1: 142,118 km (0.052 R)
• M2: 532,120 km (0.109 R)
• M3: 921,224 km (0.103 R)
• M4: 1,395,599 km (0.051 R)
• M5: 1,857,407 km (0.048 R)
• M6: 2,340,159 km (0.118 R)
• M7: 2,905,789 km (0.093 R)
• M8: 3,393,478 km (0.103 R)
• M9: 3,889,993 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.7

Radius: 9.5

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.67 AU - 0.85 AU

Year: 457 Days

Day: 5.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,088,046 km

• M1: 118,182 km (0.044 R)
• M2: 499,208 km (0.108 R)
• M3: 923,916 km (0.116 R)
• M4: 2,414,061 km (0.037 R)
• M5: 3,120,163 km (0.098 R)
• M6: 4,096,887 km (0.09 R)
• M7: 4,474,173 km (0.101 R)
• M8: 5,067,329 km (0.064 R)
• M9: 5,747,550 km (0.032 R)
• M10: 6,109,876 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.5

Radius: 8.5

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.79 AU - 1.09 AU

Year: 629 Days

Day: 11.2 Hours

Environment

Temp: -166 °C

Axial Tilt: 126.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,088,046 km

• M1: 105,766 km (0.095 R)
• M2: 393,293 km (0.067 R)
• M3: 725,550 km (0.098 R)
• M4: 997,668 km (0.088 R)
• M5: 1,290,132 km (0.074 R)
• M6: 1,706,014 km (0.113 R)
• M7: 2,046,349 km (0.074 R)
• M8: 2,615,420 km (0.084 R)
• M9: 2,913,419 km (0.091 R)
• M10: 3,296,688 km (0.075 R)
• M11: 4,214,471 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.5

Radius: 13.8

Gravity: 2.7 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.91 AU - 1.25 AU

Year: 775 Days

Day: 7.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 14,088,046 km

• M1: 172,038 km (0.113 R)
• M2: 1,055,413 km (0.106 R)
• M3: 1,861,746 km (0.058 R)
• M4: 2,358,560 km (0.036 R)
• M5: 3,323,466 km (0.099 R)
• M6: 4,167,647 km (0.119 R)
• M7: 4,681,516 km (0.095 R)
• M8: 5,818,908 km (0.046 R)
• M9: 6,302,708 km (0.118 R)
• M10: 7,219,892 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.2

Radius: 8.9

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 1 AU - 1.5 AU

Year: 965 Days

Day: 5.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 14,088,046 km

• M1: 110,702 km (0.062 R)
• M2: 420,819 km (0.098 R)
• M3: 997,519 km (0.052 R)
• M4: 1,361,041 km (0.11 R)
• M5: 1,664,276 km (0.096 R)
• M6: 2,065,199 km (0.088 R)
• M7: 2,419,746 km (0.116 R)
• M8: 3,289,059 km (0.049 R)
• M9: 3,897,174 km (0.057 R)
• M10: 4,578,443 km (0.052 R)
• M11: 6,366,137 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 423.7

Radius: 8

Gravity: 6.62 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.79 AU - 2.31 AU

Year: 2026 Days

Day: 13.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 14,088,046 km

• M1: 99,483 km (0.073 R)
• M2: 351,106 km (0.105 R)
• M3: 699,220 km (0.071 R)
• M4: 1,203,964 km (0.028 R)
• M5: 1,617,751 km (0.05 R)
• M6: 2,193,853 km (0.078 R)
• M7: 2,556,029 km (0.076 R)
• M8: 3,046,112 km (0.098 R)
• M9: 4,231,825 km (0.065 R)
• M10: 4,755,118 km (0.104 R)
• M11: 5,586,134 km (0.107 R)
• M12: 6,288,795 km (0.085 R)
• M13: 6,892,124 km (0.09 R)
• M14: 7,616,476 km (0.069 R)
• M15: 8,539,495 km (0.103 R)
• M16: 9,470,742 km (0.088 R)
• M17: 10,745,465 km (0.063 R)
• M18: 11,644,100 km (0.05 R)
• M19: 11,904,550 km (0.045 R)
• M20: 12,709,237 km (0.105 R)
• M21: 13,184,958 km (0.109 R)
• M22: 13,672,497 km (0.096 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 16,034 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit