🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.63 AU - 1.79 AU

Year: 817 Days

Day: 17.2 Hours

Environment

Temp: -44 °C

Axial Tilt: 49.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 2.21 AU - 2.57 AU

Year: 1350 Days

Day: 27.7 Hours

Environment

Temp: -75 °C

Axial Tilt: 25.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 64,738,990 km

• M1: 178,620 km (0.088 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.38 AU - 2.4 AU

Year: 1350 Days

Day: 47.9 Hours

Environment

Temp: -89 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 2.17 AU - 3.07 AU

Year: 1549 Days

Day: 41.9 Hours

Environment

Temp: -86 °C

Axial Tilt: 39.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.05 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 426.6

Radius: 8.6

Gravity: 5.77 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 5.18 AU - 5.78 AU

Year: 4686 Days

Day: 7.5 Hours

Environment

Temp: -149 °C

Axial Tilt: 166.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,738,990 km

• M1: 152,739 km (0.078 R)
• M2: 596,297 km (0.097 R)
• M3: 1,352,365 km (0.082 R)
• M4: 1,839,007 km (0.079 R)
• M5: 2,172,909 km (0.109 R)
• M6: 2,775,340 km (0.08 R)
• M7: 3,604,112 km (0.118 R)
• M8: 3,999,948 km (0.073 R)
• M9: 4,355,692 km (0.118 R)
• M10: 5,156,489 km (0.082 R)
• M11: 5,798,114 km (0.041 R)
• M12: 6,138,449 km (0.1 R)
• M13: 6,582,456 km (0.096 R)
• M14: 9,515,173 km (0.104 R)
• M15: 10,396,753 km (0.032 R)
• M16: 11,375,422 km (0.052 R)
• M17: 11,819,578 km (0.047 R)
• M18: 12,980,607 km (0.055 R)
• M19: 13,663,222 km (0.08 R)
• M20: 17,381,477 km (0.106 R)
• M21: 18,941,783 km (0.11 R)
• M22: 20,463,044 km (0.111 R)
• M23: 21,186,948 km (0.11 R)
• M24: 22,339,001 km (0.095 R)
• M25: 23,176,899 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.5

Radius: 9.3

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 6.2 AU - 9.24 AU

Year: 7835 Days

Day: 8.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 41 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,738,990 km

• M1: 116,238 km (0.08 R)
• M2: 574,605 km (0.111 R)
• M3: 1,237,324 km (0.065 R)
• M4: 2,143,139 km (0.085 R)
• M5: 2,940,795 km (0.104 R)
• M6: 3,545,769 km (0.114 R)
• M7: 4,403,563 km (0.116 R)
• M8: 5,804,697 km (0.075 R)
• M9: 8,529,472 km (0.072 R)
• M10: 10,638,204 km (0.057 R)
• M11: 12,107,853 km (0.113 R)
• M12: 14,419,589 km (0.077 R)
• M13: 15,386,889 km (0.088 R)
• M14: 17,135,688 km (0.115 R)
• M15: 21,312,012 km (0.112 R)
• M16: 24,418,561 km (0.083 R)
• M17: 25,138,725 km (0.093 R)
• M18: 26,789,837 km (0.115 R)
• M19: 27,470,208 km (0.036 R)
• M20: 30,033,119 km (0.119 R)
• M21: 31,232,146 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.2

Radius: 9

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 11.08 AU - 12.44 AU

Year: 14730 Days

Day: 12.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,738,990 km

• M1: 112,946 km (0.104 R)
• M2: 408,552 km (0.11 R)
• M3: 1,082,789 km (0.112 R)
• M4: 1,445,415 km (0.115 R)
• M5: 1,961,527 km (0.059 R)
• M6: 2,804,511 km (0.105 R)
• M7: 3,900,764 km (0.052 R)
• M8: 6,522,467 km (0.098 R)
• M9: 8,830,314 km (0.091 R)
• M10: 11,079,966 km (0.08 R)
• M11: 13,409,355 km (0.098 R)
• M12: 14,397,449 km (0.084 R)
• M13: 21,274,612 km (0.066 R)
• M14: 21,652,497 km (0.086 R)
• M15: 25,788,429 km (0.109 R)
• M16: 26,981,622 km (0.116 R)
• M17: 31,387,279 km (0.118 R)
• M18: 33,760,051 km (0.116 R)
• M19: 39,000,464 km (0.088 R)
• M20: 39,995,140 km (0.102 R)
• M21: 50,721,756 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 414.1

Radius: 6.3

Gravity: 10.43 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 11.38 AU - 17.64 AU

Year: 20188 Days

Day: 15 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,738,990 km

• M1: 80,484 km (0.11 R)
• M2: 587,920 km (0.105 R)
• M3: 844,779 km (0.08 R)
• M4: 1,688,212 km (0.047 R)
• M5: 1,931,009 km (0.117 R)
• M6: 2,509,355 km (0.117 R)
• M7: 2,710,564 km (0.072 R)
• M8: 4,437,671 km (0.095 R)
• M9: 6,454,550 km (0.107 R)
• M10: 6,877,613 km (0.099 R)
• M11: 12,179,511 km (0.051 R)
• M12: 21,691,542 km (0.081 R)
• M13: 23,417,153 km (0.102 R)
• M14: 24,515,800 km (0.032 R)
• M15: 30,645,273 km (0.113 R)
• M16: 32,079,767 km (0.105 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: 458 - 15,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit