🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.1

Radius: 12.5

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.76 AU - 1.04 AU

Year: 600 Days

Day: 13.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,116,285 km

• M1: 156,779 km (0.099 R)
• M2: 562,189 km (0.055 R)
• M3: 1,041,800 km (0.071 R)
• M4: 1,577,061 km (0.081 R)
• M5: 2,193,105 km (0.072 R)
• M6: 2,603,901 km (0.101 R)
• M7: 4,103,769 km (0.097 R)
• M8: 5,757,274 km (0.106 R)
• M9: 6,396,655 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525

Radius: 8.1

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.9 AU - 1.24 AU

Year: 778 Days

Day: 10.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 70,116,285 km

• M1: 100,679 km (0.101 R)
• M2: 392,246 km (0.044 R)
• M3: 1,069,774 km (0.078 R)
• M4: 1,648,868 km (0.109 R)
• M5: 1,927,868 km (0.043 R)
• M6: 2,308,744 km (0.079 R)
• M7: 3,247,770 km (0.061 R)
• M8: 4,081,927 km (0.025 R)
• M9: 5,609,322 km (0.12 R)
• M10: 6,449,912 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465.6

Radius: 10.3

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.65 AU - 2.15 AU

Year: 1841 Days

Day: 6.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,116,285 km

• M1: 128,355 km (0.068 R)
• M2: 482,004 km (0.071 R)
• M3: 806,931 km (0.101 R)
• M4: 1,334,712 km (0.111 R)
• M5: 1,756,877 km (0.064 R)
• M6: 2,094,221 km (0.114 R)
• M7: 2,791,496 km (0.064 R)
• M8: 3,554,894 km (0.088 R)
• M9: 5,066,431 km (0.051 R)
• M10: 7,659,411 km (0.055 R)
• M11: 8,078,734 km (0.111 R)
• M12: 8,454,524 km (0.101 R)
• M13: 8,872,201 km (0.069 R)
• M14: 9,335,057 km (0.054 R)
• M15: 10,410,217 km (0.112 R)
• M16: 10,751,749 km (0.079 R)
• M17: 11,748,220 km (0.082 R)

Asteroid Belt

Center: 3.65 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.2

Radius: 14

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 5.05 AU - 5.75 AU

Year: 8821 Days

Day: 14.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 70,116,285 km

• M1: 174,132 km (0.067 R)
• M2: 869,612 km (0.067 R)
• M3: 2,032,586 km (0.085 R)
• M4: 2,485,269 km (0.091 R)
• M5: 3,364,157 km (0.049 R)
• M6: 7,455,659 km (0.076 R)
• M7: 17,433,986 km (0.102 R)
• M8: 19,475,997 km (0.119 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 951.7

Radius: 6.2

Gravity: 24.76 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.66 AU - 7.18 AU

Year: 11434 Days

Day: 19.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,116,285 km

• M1: 77,193 km (0.087 R)
• M2: 278,252 km (0.096 R)
• M3: 617,989 km (0.112 R)
• M4: 815,907 km (0.097 R)
• M5: 1,201,420 km (0.104 R)
• M6: 1,546,244 km (0.085 R)
• M7: 1,868,178 km (0.059 R)
• M8: 4,720,860 km (0.077 R)
• M9: 5,293,820 km (0.081 R)
• M10: 5,688,459 km (0.075 R)
• M11: 6,257,978 km (0.119 R)
• M12: 8,432,682 km (0.071 R)
• M13: 8,821,936 km (0.106 R)
• M14: 11,123,200 km (0.093 R)
• M15: 13,531,127 km (0.081 R)
• M16: 17,880,985 km (0.08 R)
• M17: 22,335,112 km (0.085 R)
• M18: 26,226,152 km (0.108 R)
• M19: 27,476,043 km (0.094 R)
• M20: 34,203,459 km (0.11 R)
• M21: 41,391,786 km (0.089 R)
• M22: 44,091,579 km (0.087 R)
• M23: 45,558,536 km (0.11 R)
• M24: 46,304,131 km (0.089 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 479.9

Radius: 4.7

Gravity: 21.72 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.18 AU - 11.16 AU

Year: 21137 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,116,285 km

• M1: 58,493 km (0.086 R)
• M2: 223,200 km (0.035 R)
• M3: 554,260 km (0.066 R)
• M4: 899,831 km (0.108 R)
• M5: 1,499,569 km (0.041 R)
• M6: 2,419,297 km (0.092 R)
• M7: 3,723,491 km (0.112 R)
• M8: 4,246,186 km (0.085 R)
• M9: 4,781,746 km (0.111 R)
• M10: 5,667,515 km (0.081 R)
• M11: 7,757,996 km (0.095 R)
• M12: 8,607,113 km (0.094 R)
• M13: 9,406,415 km (0.089 R)
• M14: 9,627,670 km (0.074 R)
• M15: 10,370,872 km (0.083 R)
• M16: 11,650,832 km (0.069 R)
• M17: 26,098,545 km (0.104 R)
• M18: 27,649,576 km (0.048 R)
• M19: 29,378,329 km (0.092 R)
• M20: 32,543,222 km (0.12 R)
• M21: 33,560,936 km (0.034 R)
• M22: 33,818,693 km (0.118 R)
• M23: 35,526,054 km (0.057 R)
• M24: 38,123,521 km (0.052 R)
• M25: 46,510,576 km (0.078 R)
• M26: 49,613,685 km (0.111 R)
• M27: 50,790,871 km (0.044 R)
• M28: 51,300,999 km (0.118 R)
• M29: 52,331,579 km (0.118 R)
• M30: 56,228,304 km (0.118 R)
• M31: 56,774,337 km (0.111 R)
• M32: 61,654,518 km (0.09 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: 165 - 16,367 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit