🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.3

Radius: 8.5

Gravity: 7.4 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.62 AU - 0.66 AU

Year: 347 Days

Day: 6.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 7.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,986,280 km

• M1: 105,915 km (0.107 R)
• M2: 415,284 km (0.11 R)
• M3: 704,008 km (0.117 R)
• M4: 1,067,830 km (0.11 R)
• M5: 1,407,566 km (0.049 R)
• M6: 1,819,260 km (0.094 R)
• M7: 2,234,394 km (0.107 R)
• M8: 2,655,512 km (0.057 R)
• M9: 2,985,076 km (0.063 R)
• M10: 3,727,381 km (0.068 R)
• M11: 4,295,553 km (0.055 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.5

Radius: 9.2

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 1.37 AU - 1.85 AU

Year: 1386 Days

Day: 6 Hours

Environment

Temp: -195 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,986,280 km

• M1: 117,883 km (0.066 R)
• M2: 459,714 km (0.091 R)
• M3: 850,464 km (0.116 R)
• M4: 1,308,383 km (0.088 R)
• M5: 3,284,720 km (0.053 R)
• M6: 4,129,649 km (0.054 R)
• M7: 5,624,282 km (0.109 R)
• M8: 5,965,514 km (0.028 R)
• M9: 6,320,660 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 538.4

Radius: 12.7

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.54 AU - 1.94 AU

Year: 1557 Days

Day: 10.1 Hours

Environment

Temp: -194 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,986,280 km

• M1: 157,975 km (0.052 R)
• M2: 616,493 km (0.059 R)
• M3: 1,521,560 km (0.107 R)
• M4: 2,354,521 km (0.052 R)
• M5: 2,930,024 km (0.095 R)
• M6: 3,472,316 km (0.106 R)
• M7: 4,186,197 km (0.089 R)
• M8: 5,428,009 km (0.119 R)
• M9: 6,088,783 km (0.084 R)
• M10: 6,558,670 km (0.099 R)
• M11: 7,518,639 km (0.065 R)
• M12: 8,115,834 km (0.058 R)
• M13: 8,627,908 km (0.108 R)
• M14: 12,388,499 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.3

Radius: 10.7

Gravity: 7.7 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.07 AU - 3.09 AU

Year: 2811 Days

Day: 9.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,986,280 km

• M1: 133,740 km (0.064 R)
• M2: 533,017 km (0.103 R)
• M3: 954,135 km (0.107 R)
• M4: 2,186,522 km (0.07 R)
• M5: 2,846,399 km (0.082 R)
• M6: 3,241,636 km (0.095 R)
• M7: 4,912,196 km (0.079 R)
• M8: 7,155,865 km (0.113 R)
• M9: 7,662,553 km (0.113 R)
• M10: 9,180,373 km (0.12 R)
• M11: 9,932,999 km (0.112 R)
• M12: 12,170,684 km (0.033 R)
• M13: 12,664,657 km (0.09 R)
• M14: 14,826,495 km (0.112 R)
• M15: 16,235,707 km (0.096 R)
• M16: 20,616,681 km (0.039 R)
• M17: 21,383,968 km (0.086 R)
• M18: 22,103,833 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894

Radius: 13

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 3.69 AU - 5.79 AU

Year: 6999 Days

Day: 10.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,986,280 km

• M1: 165,006 km (0.103 R)
• M2: 843,732 km (0.118 R)
• M3: 1,435,092 km (0.086 R)
• M4: 2,048,892 km (0.038 R)
• M5: 2,639,355 km (0.101 R)
• M6: 4,682,264 km (0.073 R)
• M7: 5,553,971 km (0.111 R)
• M8: 6,602,652 km (0.103 R)
• M9: 8,228,631 km (0.116 R)
• M10: 11,773,352 km (0.097 R)
• M11: 14,330,728 km (0.057 R)
• M12: 15,836,281 km (0.081 R)
• M13: 18,576,615 km (0.107 R)
• M14: 21,459,366 km (0.051 R)
• M15: 22,510,590 km (0.07 R)
• M16: 23,342,205 km (0.095 R)
• M17: 25,600,833 km (0.068 R)
• M18: 33,033,903 km (0.038 R)
• M19: 33,783,388 km (0.113 R)
• M20: 34,434,737 km (0.073 R)
• M21: 40,314,831 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 275.8

Radius: 3.8

Gravity: 19.1 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 8.43 AU - 12.97 AU

Year: 23739 Days

Day: 20.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 62,986,280 km

• M1: 77,193 km (0.036 R)
• M2: 558,299 km (0.067 R)
• M3: 717,471 km (0.079 R)
• M4: 1,245,253 km (0.04 R)
• M5: 1,414,149 km (0.065 R)
• M6: 1,696,141 km (0.12 R)
• M7: 2,434,705 km (0.055 R)
• M8: 5,192,243 km (0.056 R)
• M9: 11,100,312 km (0.095 R)
• M10: 12,454,920 km (0.119 R)
• M11: 16,315,443 km (0.095 R)
• M12: 17,491,881 km (0.105 R)
• M13: 17,652,998 km (0.09 R)
• M14: 19,837,276 km (0.116 R)
• M15: 23,343,850 km (0.092 R)
• M16: 23,833,933 km (0.094 R)
• M17: 38,021,645 km (0.115 R)
• M18: 42,067,071 km (0.104 R)
• M19: 47,946,866 km (0.103 R)
• M20: 57,490,013 km (0.047 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 518 - 19,450 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit