🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.97 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.3

Radius: 12.5

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.56 AU - 2.3 AU

Year: 1759 Days

Day: 10.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 77,242,955 km

• M1: 155,881 km (0.114 R)
• M2: 576,101 km (0.103 R)
• M3: 1,567,187 km (0.098 R)
• M4: 2,853,579 km (0.101 R)
• M5: 3,666,494 km (0.092 R)
• M6: 4,697,822 km (0.088 R)
• M7: 5,454,488 km (0.101 R)
• M8: 6,909,776 km (0.05 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756

Radius: 8.4

Gravity: 10.71 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.76 AU - 2.32 AU

Year: 1911 Days

Day: 14.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,242,955 km

• M1: 105,018 km (0.076 R)
• M2: 425,905 km (0.106 R)
• M3: 752,028 km (0.102 R)
• M4: 1,080,695 km (0.051 R)
• M5: 1,514,828 km (0.069 R)
• M6: 1,778,569 km (0.113 R)
• M7: 2,270,896 km (0.026 R)
• M8: 2,661,945 km (0.107 R)
• M9: 2,988,068 km (0.099 R)
• M10: 3,390,935 km (0.117 R)
• M11: 4,168,844 km (0.029 R)
• M12: 5,127,317 km (0.086 R)
• M13: 5,730,496 km (0.086 R)
• M14: 6,049,289 km (0.092 R)
• M15: 7,854,935 km (0.104 R)
• M16: 8,592,602 km (0.091 R)
• M17: 9,681,226 km (0.029 R)
• M18: 10,420,389 km (0.11 R)
• M19: 10,970,909 km (0.085 R)
• M20: 13,583,337 km (0.112 R)
• M21: 14,599,406 km (0.063 R)
• M22: 14,964,425 km (0.049 R)
• M23: 15,335,427 km (0.1 R)
• M24: 15,760,285 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.6

Radius: 9.9

Gravity: 8.04 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.17 AU - 3.01 AU

Year: 2734 Days

Day: 5.4 Hours

Environment

Temp: -195 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 77,242,955 km

• M1: 126,560 km (0.115 R)
• M2: 436,227 km (0.047 R)
• M3: 913,744 km (0.118 R)
• M4: 1,323,343 km (0.11 R)
• M5: 1,703,621 km (0.115 R)
• M6: 2,014,186 km (0.113 R)
• M7: 2,478,238 km (0.038 R)
• M8: 2,880,357 km (0.085 R)
• M9: 3,471,867 km (0.089 R)
• M10: 3,997,554 km (0.047 R)
• M11: 6,114,813 km (0.065 R)
• M12: 7,244,726 km (0.084 R)
• M13: 8,474,121 km (0.038 R)
• M14: 9,282,847 km (0.075 R)
• M15: 9,989,099 km (0.071 R)
• M16: 10,296,971 km (0.104 R)
• M17: 11,424,939 km (0.092 R)
• M18: 12,948,294 km (0.054 R)
• M19: 14,701,432 km (0.078 R)
• M20: 16,234,810 km (0.116 R)
• M21: 16,768,725 km (0.098 R)
• M22: 17,425,010 km (0.075 R)
• M23: 17,928,407 km (0.103 R)
• M24: 18,269,341 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.6

Radius: 9.1

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 2.41 AU - 3.05 AU

Year: 2959 Days

Day: 12.4 Hours

Environment

Temp: -210 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 77,242,955 km

• M1: 113,395 km (0.119 R)
• M2: 498,311 km (0.117 R)
• M3: 813,812 km (0.12 R)
• M4: 1,158,037 km (0.086 R)
• M5: 1,628,373 km (0.115 R)
• M6: 2,394,912 km (0.098 R)
• M7: 3,118,068 km (0.069 R)
• M8: 3,481,442 km (0.077 R)
• M9: 4,564,680 km (0.09 R)
• M10: 5,013,473 km (0.091 R)
• M11: 6,463,825 km (0.106 R)
• M12: 6,820,765 km (0.094 R)
• M13: 7,602,265 km (0.043 R)
• M14: 8,145,903 km (0.111 R)
• M15: 9,183,065 km (0.084 R)
• M16: 10,409,319 km (0.049 R)
• M17: 13,551,473 km (0.118 R)
• M18: 13,884,328 km (0.117 R)
• M19: 14,179,933 km (0.114 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 524.4

Radius: 3.1

Gravity: 54.57 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.14 AU - 13.52 AU

Year: 23380 Days

Day: 21.1 Hours

Environment

Temp: -238 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,242,955 km

• M1: 39,793 km (0.114 R)
• M2: 185,801 km (0.11 R)
• M3: 1,079,349 km (0.1 R)
• M4: 1,491,640 km (0.088 R)
• M5: 2,207,616 km (0.112 R)
• M6: 2,338,514 km (0.079 R)
• M7: 2,544,809 km (0.117 R)
• M8: 2,713,406 km (0.068 R)
• M9: 3,521,833 km (0.104 R)
• M10: 4,478,811 km (0.059 R)
• M11: 7,651,781 km (0.066 R)
• M12: 8,156,973 km (0.094 R)
• M13: 11,728,772 km (0.114 R)
• M14: 14,639,348 km (0.091 R)
• M15: 19,993,905 km (0.081 R)
• M16: 20,755,209 km (0.11 R)
• M17: 22,948,313 km (0.109 R)
• M18: 23,258,729 km (0.049 R)
• M19: 30,319,898 km (0.058 R)
• M20: 32,349,343 km (0.119 R)
• M21: 34,063,435 km (0.092 R)
• M22: 35,010,988 km (0.107 R)
• M23: 38,393,097 km (0.111 R)
• M24: 38,538,655 km (0.09 R)
• M25: 43,232,588 km (0.091 R)
• M26: 48,293,334 km (0.117 R)
• M27: 60,944,228 km (0.082 R)
• M28: 63,551,270 km (0.105 R)
• M29: 73,372,071 km (0.1 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 489 - 15,711 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit