🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.75 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 884.4

Radius: 10

Gravity: 8.84 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.27 AU - 1.73 AU

Year: 1268 Days

Day: 9.6 Hours

Environment

Temp: -188 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,214,276 km

• M1: 124,615 km (0.103 R)
• M2: 536,159 km (0.097 R)
• M3: 934,687 km (0.116 R)
• M4: 1,266,645 km (0.095 R)
• M5: 2,145,084 km (0.068 R)
• M6: 2,696,950 km (0.087 R)
• M7: 3,593,640 km (0.08 R)
• M8: 4,084,471 km (0.077 R)
• M9: 5,284,844 km (0.077 R)
• M10: 5,740,519 km (0.076 R)
• M11: 6,128,576 km (0.091 R)
• M12: 7,559,031 km (0.057 R)
• M13: 7,942,151 km (0.117 R)
• M14: 9,893,506 km (0.119 R)
• M15: 11,032,544 km (0.077 R)
• M16: 12,824,876 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.7

Radius: 8.5

Gravity: 5.27 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.34 AU - 2.18 AU

Year: 1612 Days

Day: 5.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 66,214,276 km

• M1: 105,766 km (0.115 R)
• M2: 408,701 km (0.091 R)
• M3: 1,012,478 km (0.103 R)
• M4: 1,433,297 km (0.048 R)
• M5: 1,967,661 km (0.072 R)
• M6: 2,970,116 km (0.098 R)
• M7: 3,553,099 km (0.106 R)
• M8: 3,855,736 km (0.069 R)
• M9: 4,123,965 km (0.111 R)
• M10: 5,764,754 km (0.057 R)
• M11: 6,576,322 km (0.097 R)
• M12: 6,863,251 km (0.116 R)
• M13: 7,258,638 km (0.085 R)
• M14: 9,468,648 km (0.093 R)
• M15: 9,896,946 km (0.12 R)
• M16: 10,694,004 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.8

Radius: 13.3

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.96 AU - 2.18 AU

Year: 2056 Days

Day: 7.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 66,214,276 km

• M1: 165,455 km (0.087 R)
• M2: 591,809 km (0.103 R)
• M3: 1,019,509 km (0.067 R)
• M4: 1,624,782 km (0.108 R)
• M5: 2,968,171 km (0.104 R)
• M6: 3,930,385 km (0.089 R)
• M7: 4,601,631 km (0.115 R)
• M8: 5,324,637 km (0.077 R)
• M9: 6,441,236 km (0.104 R)
• M10: 7,171,124 km (0.075 R)
• M11: 7,677,812 km (0.094 R)
• M12: 10,770,299 km (0.07 R)
• M13: 11,237,493 km (0.058 R)
• M14: 12,087,807 km (0.1 R)
• M15: 12,635,485 km (0.08 R)
• M16: 13,155,637 km (0.051 R)
• M17: 13,644,822 km (0.112 R)
• M18: 15,380,606 km (0.065 R)
• M19: 18,117,499 km (0.091 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221.1

Radius: 12

Gravity: 1.54 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.97 AU - 5.25 AU

Year: 7973 Days

Day: 7.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,214,276 km

• M1: 149,897 km (0.076 R)
• M2: 562,787 km (0.091 R)
• M3: 939,325 km (0.107 R)
• M4: 1,516,773 km (0.06 R)
• M5: 2,594,177 km (0.063 R)
• M6: 3,144,248 km (0.106 R)
• M7: 3,707,035 km (0.105 R)
• M8: 4,431,687 km (0.085 R)
• M9: 4,931,045 km (0.114 R)
• M10: 7,660,608 km (0.101 R)
• M11: 9,188,600 km (0.079 R)
• M12: 10,130,020 km (0.11 R)
• M13: 10,955,202 km (0.059 R)
• M14: 12,397,325 km (0.101 R)
• M15: 13,753,430 km (0.082 R)
• M16: 14,765,310 km (0.078 R)
• M17: 19,511,003 km (0.111 R)
• M18: 20,109,095 km (0.075 R)
• M19: 24,953,074 km (0.096 R)
• M20: 27,436,997 km (0.072 R)

Planet 5 - Ice Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 513

Radius: 7.9

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 7.5 AU - 10.58 AU

Year: 18761 Days

Day: 16.4 Hours

Environment

Temp: -238 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,214,276 km

• M1: 98,585 km (0.047 R)
• M2: 516,861 km (0.057 R)
• M3: 861,385 km (0.12 R)
• M4: 1,328,579 km (0.051 R)
• M5: 1,677,591 km (0.096 R)
• M6: 2,048,892 km (0.093 R)
• M7: 2,452,657 km (0.116 R)
• M8: 4,425,554 km (0.059 R)
• M9: 5,807,389 km (0.082 R)
• M10: 6,285,205 km (0.063 R)
• M11: 6,660,396 km (0.103 R)
• M12: 6,962,584 km (0.097 R)
• M13: 9,341,190 km (0.033 R)
• M14: 10,222,621 km (0.081 R)
• M15: 11,959,901 km (0.104 R)
• M16: 13,539,505 km (0.106 R)
• M17: 19,894,572 km (0.081 R)
• M18: 22,293,523 km (0.084 R)
• M19: 23,962,437 km (0.104 R)
• M20: 24,570,852 km (0.093 R)
• M21: 29,007,177 km (0.08 R)
• M22: 36,286,460 km (0.065 R)
• M23: 40,845,155 km (0.073 R)
• M24: 58,410,937 km (0.074 R)
• M25: 58,776,405 km (0.118 R)
• M26: 65,227,514 km (0.085 R)
• M27: 65,818,426 km (0.057 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 207 - 12,470 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit