🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.43 AU - 0.67 AU

Year: 268 Days

Day: 37.9 Hours

Environment

Temp: -122 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.3

Radius: 13.7

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.77 AU - 1.07 AU

Year: 579 Days

Day: 6.9 Hours

Environment

Temp: -148 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 12,346,277 km

• M1: 170,990 km (0.118 R)
• M2: 258,954 km (0.116 R)
• M3: 438,771 km (0.039 R)
• M4: 526,435 km (0.088 R)
• M5: 622,028 km (0.101 R)
• M6: 715,527 km (0.101 R)
• M7: 805,136 km (0.077 R)
• M8: 909,256 km (0.078 R)
• M9: 1,007,990 km (0.072 R)
• M10: 1,099,694 km (0.098 R)
• M11: 1,217,278 km (0.075 R)
• M12: 1,339,499 km (0.098 R)
• M13: 1,447,659 km (0.092 R)
• M14: 1,565,392 km (0.099 R)
• M15: 1,679,984 km (0.104 R)
• M16: 1,771,239 km (0.118 R)
• M17: 2,083,150 km (0.082 R)
• M18: 2,181,735 km (0.111 R)
• M19: 2,303,658 km (0.069 R)
• M20: 2,413,163 km (0.089 R)
• M21: 2,516,984 km (0.057 R)
• M22: 2,995,249 km (0.089 R)
• M23: 3,212,614 km (0.074 R)
• M24: 3,426,838 km (0.057 R)
• M25: 3,620,418 km (0.117 R)
• M26: 3,765,977 km (0.111 R)
• M27: 3,904,654 km (0.037 R)
• M28: 4,045,126 km (0.103 R)
• M29: 4,322,182 km (0.091 R)
• M30: 4,772,920 km (0.084 R)
• M31: 4,923,416 km (0.103 R)
• M32: 5,008,686 km (0.091 R)
• M33: 5,161,725 km (0.113 R)
• M34: 5,325,983 km (0.066 R)
• M35: 5,433,245 km (0.101 R)
• M36: 5,580,599 km (0.052 R)
• M37: 5,689,506 km (0.051 R)
• M38: 5,829,231 km (0.117 R)
• M39: 6,275,930 km (0.059 R)
• M40: 6,492,996 km (0.062 R)
• M41: 6,754,793 km (0.056 R)
• M42: 6,924,137 km (0.062 R)
• M43: 7,084,207 km (0.09 R)
• M44: 7,170,076 km (0.107 R)
• M45: 7,299,628 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.9

Radius: 9.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.27 AU - 1.71 AU

Year: 1193 Days

Day: 9 Hours

Environment

Temp: -181 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 12,346,277 km

• M1: 120,725 km (0.118 R)
• M2: 185,202 km (0.054 R)
• M3: 307,424 km (0.064 R)
• M4: 381,624 km (0.112 R)
• M5: 445,652 km (0.067 R)
• M6: 607,068 km (0.036 R)
• M7: 718,668 km (0.091 R)
• M8: 857,794 km (0.119 R)
• M9: 1,038,508 km (0.092 R)
• M10: 1,144,873 km (0.102 R)
• M11: 1,205,160 km (0.101 R)
• M12: 1,285,943 km (0.095 R)
• M13: 1,429,108 km (0.11 R)
• M14: 1,490,294 km (0.063 R)
• M15: 1,645,277 km (0.072 R)
• M16: 1,735,634 km (0.078 R)
• M17: 1,832,125 km (0.119 R)
• M18: 1,912,459 km (0.079 R)
• M19: 2,095,417 km (0.088 R)
• M20: 2,288,847 km (0.061 R)
• M21: 2,356,316 km (0.116 R)
• M22: 2,468,664 km (0.081 R)
• M23: 2,537,928 km (0.091 R)
• M24: 2,607,790 km (0.098 R)
• M25: 2,688,423 km (0.114 R)
• M26: 2,764,868 km (0.061 R)
• M27: 2,826,652 km (0.079 R)
• M28: 2,899,207 km (0.09 R)
• M29: 3,046,112 km (0.095 R)
• M30: 3,125,997 km (0.088 R)
• M31: 3,304,019 km (0.111 R)
• M32: 3,485,481 km (0.116 R)
• M33: 3,591,396 km (0.081 R)
• M34: 3,835,241 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 53.7

Radius: 8.8

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.23 AU - 4.17 AU

Year: 4669 Days

Day: 11.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 12,346,277 km

• M1: 129,701 km (0.086 R)
• M2: 340,934 km (0.093 R)
• M3: 396,734 km (0.117 R)
• M4: 456,423 km (0.098 R)
• M5: 599,139 km (0.081 R)
• M6: 799,152 km (0.077 R)
• M7: 937,081 km (0.082 R)
• M8: 1,106,875 km (0.094 R)
• M9: 1,548,188 km (0.084 R)
• M10: 1,990,848 km (0.118 R)
• M11: 2,080,009 km (0.089 R)
• M12: 2,293,485 km (0.1 R)
• M13: 2,763,671 km (0.068 R)
• M14: 3,055,387 km (0.098 R)
• M15: 3,263,328 km (0.044 R)
• M16: 3,475,907 km (0.032 R)
• M17: 3,778,693 km (0.066 R)
• M18: 4,064,873 km (0.043 R)
• M19: 4,204,299 km (0.113 R)
• M20: 4,281,042 km (0.108 R)
• M21: 4,618,834 km (0.066 R)
• M22: 4,737,765 km (0.081 R)
• M23: 4,857,742 km (0.113 R)
• M24: 4,938,226 km (0.1 R)
• M25: 5,223,808 km (0.08 R)
• M26: 5,910,761 km (0.104 R)
• M27: 6,389,325 km (0.077 R)
• M28: 6,448,267 km (0.089 R)
• M29: 6,507,358 km (0.075 R)
• M30: 6,835,426 km (0.032 R)
• M31: 7,138,362 km (0.108 R)
• M32: 7,199,398 km (0.107 R)
• M33: 7,337,626 km (0.118 R)
• M34: 7,867,502 km (0.116 R)
• M35: 8,474,420 km (0.113 R)
• M36: 8,832,557 km (0.105 R)
• M37: 9,312,467 km (0.075 R)
• M38: 9,732,837 km (0.045 R)
• M39: 9,800,755 km (0.07 R)
• M40: 10,142,287 km (0.082 R)
• M41: 10,245,509 km (0.114 R)
• M42: 10,714,499 km (0.111 R)
• M43: 10,995,743 km (0.058 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: 403 - 12,745 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit