🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.3

Radius: 10.3

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.66 AU - 0.7 AU

Year: 394 Days

Day: 12.8 Hours

Environment

Temp: -159 °C

Axial Tilt: 53.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,639,017 km

• M1: 128,056 km (0.114 R)
• M2: 560,543 km (0.101 R)
• M3: 1,026,092 km (0.09 R)
• M4: 1,378,096 km (0.104 R)
• M5: 1,750,295 km (0.118 R)
• M6: 2,174,106 km (0.113 R)
• M7: 2,567,249 km (0.093 R)
• M8: 3,057,631 km (0.058 R)
• M9: 3,564,768 km (0.102 R)
• M10: 4,251,871 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.2

Radius: 14

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 0.8 AU - 0.9 AU

Year: 551 Days

Day: 11.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 61.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,639,017 km

• M1: 174,132 km (0.087 R)
• M2: 637,885 km (0.12 R)
• M3: 1,359,097 km (0.066 R)
• M4: 2,166,327 km (0.119 R)
• M5: 2,716,548 km (0.076 R)
• M6: 3,396,470 km (0.099 R)
• M7: 3,951,777 km (0.113 R)
• M8: 5,431,151 km (0.081 R)
• M9: 5,884,432 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 753.1

Radius: 12.6

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.87 AU - 1.19 AU

Year: 735 Days

Day: 7.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,639,017 km

• M1: 156,629 km (0.068 R)
• M2: 554,260 km (0.116 R)
• M3: 991,684 km (0.12 R)
• M4: 1,483,712 km (0.118 R)
• M5: 1,951,803 km (0.097 R)
• M6: 2,486,317 km (0.106 R)
• M7: 3,868,302 km (0.062 R)
• M8: 4,618,984 km (0.103 R)
• M9: 5,964,318 km (0.067 R)
• M10: 6,473,549 km (0.073 R)
• M11: 8,128,700 km (0.117 R)
• M12: 8,526,331 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 42.2

Radius: 10.5

Gravity: 0.38 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.34 AU - 1.66 AU

Year: 1291 Days

Day: 10.4 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,639,017 km

• M1: 130,599 km (0.12 R)
• M2: 474,225 km (0.09 R)
• M3: 803,789 km (0.118 R)
• M4: 1,399,189 km (0.085 R)
• M5: 1,822,102 km (0.082 R)
• M6: 2,668,826 km (0.111 R)
• M7: 3,000,335 km (0.094 R)
• M8: 4,320,237 km (0.036 R)
• M9: 4,683,012 km (0.07 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 615.1

Radius: 4.2

Gravity: 34.87 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.47 AU - 8.09 AU

Year: 12409 Days

Day: 20.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,639,017 km

• M1: 52,359 km (0.096 R)
• M2: 208,240 km (0.108 R)
• M3: 560,543 km (0.114 R)
• M4: 762,351 km (0.059 R)
• M5: 1,274,275 km (0.079 R)
• M6: 1,800,410 km (0.114 R)
• M7: 3,192,568 km (0.117 R)
• M8: 6,444,676 km (0.072 R)
• M9: 7,424,542 km (0.113 R)
• M10: 8,831,809 km (0.056 R)
• M11: 11,518,138 km (0.105 R)
• M12: 14,501,419 km (0.081 R)
• M13: 15,600,066 km (0.116 R)
• M14: 17,350,361 km (0.108 R)
• M15: 30,446,607 km (0.061 R)
• M16: 44,504,918 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 481

Radius: 4.8

Gravity: 20.88 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 8.12 AU - 9.42 AU

Year: 18256 Days

Day: 20.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 63,639,017 km

• M1: 60,438 km (0.086 R)
• M2: 245,640 km (0.092 R)
• M3: 475,422 km (0.081 R)
• M4: 674,088 km (0.102 R)
• M5: 843,433 km (0.103 R)
• M6: 1,089,372 km (0.046 R)
• M7: 1,899,295 km (0.107 R)
• M8: 2,065,947 km (0.067 R)
• M9: 2,262,518 km (0.088 R)
• M10: 2,832,636 km (0.099 R)
• M11: 4,346,117 km (0.114 R)
• M12: 4,703,207 km (0.117 R)
• M13: 8,199,310 km (0.112 R)
• M14: 9,905,174 km (0.105 R)
• M15: 13,184,060 km (0.071 R)
• M16: 13,520,057 km (0.069 R)
• M17: 17,926,163 km (0.068 R)
• M18: 19,182,037 km (0.086 R)
• M19: 19,440,094 km (0.088 R)
• M20: 23,299,569 km (0.119 R)
• M21: 25,304,779 km (0.084 R)
• M22: 27,422,187 km (0.091 R)
• M23: 28,972,769 km (0.113 R)
• M24: 29,312,506 km (0.08 R)
• M25: 31,885,290 km (0.11 R)
• M26: 35,243,762 km (0.043 R)
• M27: 35,890,474 km (0.104 R)
• M28: 36,809,154 km (0.044 R)
• M29: 43,535,075 km (0.102 R)
• M30: 45,183,942 km (0.116 R)
• M31: 45,793,703 km (0.104 R)
• M32: 50,379,776 km (0.11 R)
• M33: 52,029,391 km (0.076 R)
• M34: 59,900,035 km (0.117 R)
• M35: 61,005,862 km (0.082 R)
• M36: 61,937,707 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 14,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit