🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.2

Radius: 8.2

Gravity: 11.32 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.63 AU - 0.93 AU

Year: 452 Days

Day: 10.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,934,794 km

• M1: 102,175 km (0.089 R)
• M2: 386,262 km (0.068 R)
• M3: 693,386 km (0.085 R)
• M4: 1,009,038 km (0.087 R)
• M5: 1,342,641 km (0.092 R)
• M6: 1,607,728 km (0.097 R)
• M7: 1,957,488 km (0.09 R)
• M8: 2,264,164 km (0.094 R)
• M9: 2,613,176 km (0.114 R)
• M10: 3,274,847 km (0.063 R)
• M11: 4,225,093 km (0.096 R)
• M12: 4,990,735 km (0.059 R)
• M13: 5,331,668 km (0.09 R)
• M14: 5,792,878 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 582

Radius: 10.9

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.01 AU - 1.31 AU

Year: 820 Days

Day: 6.7 Hours

Environment

Temp: -159 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,934,794 km

• M1: 135,536 km (0.07 R)
• M2: 500,106 km (0.032 R)
• M3: 950,844 km (0.11 R)
• M4: 1,341,594 km (0.119 R)
• M5: 1,788,891 km (0.029 R)
• M6: 2,345,545 km (0.119 R)
• M7: 3,579,578 km (0.058 R)
• M8: 3,954,321 km (0.064 R)
• M9: 4,387,556 km (0.103 R)
• M10: 4,783,841 km (0.115 R)
• M11: 5,258,216 km (0.117 R)
• M12: 6,678,797 km (0.104 R)
• M13: 7,687,835 km (0.118 R)
• M14: 8,192,279 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.5

Radius: 11.9

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.77 AU - 2.07 AU

Year: 1745 Days

Day: 10.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,934,794 km

• M1: 147,952 km (0.096 R)
• M2: 541,993 km (0.11 R)
• M3: 1,066,034 km (0.111 R)
• M4: 2,319,964 km (0.097 R)
• M5: 2,731,807 km (0.107 R)
• M6: 3,192,867 km (0.047 R)
• M7: 4,162,112 km (0.11 R)
• M8: 4,856,545 km (0.118 R)
• M9: 5,232,036 km (0.076 R)
• M10: 6,727,566 km (0.117 R)
• M11: 9,512,181 km (0.118 R)
• M12: 10,613,371 km (0.112 R)
• M13: 11,105,548 km (0.084 R)
• M14: 12,211,674 km (0.088 R)
• M15: 12,988,835 km (0.112 R)
• M16: 14,006,400 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70

Radius: 9.1

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.74 AU - 3.86 AU

Year: 3933 Days

Day: 14.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,934,794 km

• M1: 113,096 km (0.115 R)
• M2: 549,174 km (0.075 R)
• M3: 864,376 km (0.1 R)
• M4: 1,235,529 km (0.095 R)
• M5: 1,769,294 km (0.069 R)
• M6: 2,980,588 km (0.032 R)
• M7: 3,340,371 km (0.079 R)
• M8: 3,713,019 km (0.056 R)
• M9: 5,364,580 km (0.12 R)
• M10: 6,422,237 km (0.102 R)
• M11: 7,000,582 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.4

Radius: 9.7

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 4.58 AU - 6.34 AU

Year: 8369 Days

Day: 11.4 Hours

Environment

Temp: -217 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 38,934,794 km

• M1: 150,795 km (0.116 R)
• M2: 472,131 km (0.068 R)
• M3: 917,484 km (0.029 R)
• M4: 1,402,181 km (0.049 R)
• M5: 1,910,664 km (0.112 R)
• M6: 3,867,703 km (0.11 R)
• M7: 4,501,250 km (0.055 R)
• M8: 6,318,416 km (0.12 R)
• M9: 7,468,524 km (0.11 R)
• M10: 8,840,337 km (0.095 R)
• M11: 9,516,669 km (0.052 R)
• M12: 13,601,588 km (0.107 R)
• M13: 14,137,597 km (0.057 R)
• M14: 16,158,066 km (0.104 R)
• M15: 23,619,409 km (0.094 R)
• M16: 24,831,601 km (0.111 R)
• M17: 26,450,549 km (0.094 R)
• M18: 29,204,945 km (0.117 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.9

Radius: 5.4

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.22 AU - 7.6 AU

Year: 10646 Days

Day: 19.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,934,794 km

• M1: 67,169 km (0.054 R)
• M2: 902,225 km (0.099 R)
• M3: 1,401,433 km (0.08 R)
• M4: 1,691,054 km (0.116 R)
• M5: 2,967,423 km (0.092 R)
• M6: 3,200,796 km (0.102 R)
• M7: 3,728,278 km (0.091 R)
• M8: 4,338,787 km (0.055 R)
• M9: 5,407,065 km (0.112 R)
• M10: 6,085,941 km (0.112 R)
• M11: 6,498,532 km (0.03 R)
• M12: 7,611,540 km (0.101 R)
• M13: 8,131,243 km (0.12 R)
• M14: 10,113,414 km (0.093 R)
• M15: 10,790,494 km (0.036 R)
• M16: 11,967,680 km (0.072 R)
• M17: 12,891,148 km (0.097 R)
• M18: 14,756,484 km (0.117 R)
• M19: 17,468,095 km (0.103 R)
• M20: 17,950,099 km (0.053 R)
• M21: 19,818,576 km (0.104 R)
• M22: 20,953,426 km (0.079 R)
• M23: 22,291,130 km (0.119 R)
• M24: 23,684,933 km (0.068 R)
• M25: 27,838,817 km (0.089 R)
• M26: 32,867,849 km (0.092 R)
• M27: 33,707,991 km (0.071 R)
• M28: 34,778,214 km (0.071 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 16,156 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit