🌌 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: 619.1

Radius: 13.2

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.55 AU - 0.73 AU

Year: 341 Days

Day: 14.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 30,367,467 km

• M1: 164,109 km (0.118 R)
• M2: 582,235 km (0.081 R)
• M3: 1,192,445 km (0.108 R)
• M4: 1,626,578 km (0.03 R)
• M5: 2,120,849 km (0.103 R)
• M6: 2,659,701 km (0.103 R)
• M7: 3,420,107 km (0.051 R)
• M8: 3,979,752 km (0.116 R)
• M9: 4,399,673 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 254.7

Radius: 8.3

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 0.78 AU - 0.82 AU

Year: 477 Days

Day: 7.9 Hours

Environment

Temp: -171 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,367,467 km

• M1: 103,223 km (0.096 R)
• M2: 460,462 km (0.112 R)
• M3: 733,478 km (0.032 R)
• M4: 1,169,556 km (0.103 R)
• M5: 1,484,310 km (0.091 R)
• M6: 2,254,889 km (0.074 R)
• M7: 2,564,407 km (0.079 R)
• M8: 3,153,972 km (0.093 R)
• M9: 3,453,467 km (0.107 R)
• M10: 3,842,721 km (0.106 R)
• M11: 4,185,150 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 682.8

Radius: 10.4

Gravity: 6.31 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 1.98 AU - 2.72 AU

Year: 2402 Days

Day: 6.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,367,467 km

• M1: 129,402 km (0.076 R)
• M2: 610,659 km (0.104 R)
• M3: 1,145,620 km (0.119 R)
• M4: 1,539,811 km (0.113 R)
• M5: 1,906,176 km (0.113 R)
• M6: 2,264,613 km (0.115 R)
• M7: 2,772,946 km (0.101 R)
• M8: 3,219,795 km (0.117 R)
• M9: 3,903,008 km (0.07 R)
• M10: 4,238,706 km (0.09 R)
• M11: 5,175,338 km (0.05 R)
• M12: 6,458,738 km (0.106 R)
• M13: 7,395,371 km (0.036 R)
• M14: 9,188,600 km (0.097 R)
• M15: 11,939,107 km (0.107 R)
• M16: 12,736,464 km (0.099 R)
• M17: 13,839,149 km (0.087 R)
• M18: 14,530,591 km (0.091 R)
• M19: 15,245,070 km (0.068 R)
• M20: 18,448,559 km (0.109 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.4

Radius: 7.1

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.45 AU - 7.13 AU

Year: 10520 Days

Day: 18.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,367,467 km

• M1: 90,507 km (0.117 R)
• M2: 433,235 km (0.104 R)
• M3: 1,216,530 km (0.03 R)
• M4: 1,789,490 km (0.044 R)
• M5: 2,026,154 km (0.071 R)
• M6: 2,396,259 km (0.051 R)
• M7: 3,152,326 km (0.117 R)
• M8: 3,873,238 km (0.115 R)
• M9: 4,724,899 km (0.09 R)
• M10: 6,088,334 km (0.045 R)
• M11: 7,062,964 km (0.025 R)
• M12: 7,339,571 km (0.105 R)
• M13: 7,623,507 km (0.117 R)
• M14: 8,251,071 km (0.044 R)
• M15: 9,992,091 km (0.078 R)
• M16: 10,474,095 km (0.115 R)
• M17: 10,925,581 km (0.061 R)
• M18: 11,579,324 km (0.113 R)
• M19: 11,819,129 km (0.084 R)
• M20: 12,258,947 km (0.117 R)
• M21: 15,359,812 km (0.119 R)
• M22: 15,766,269 km (0.075 R)
• M23: 28,239,291 km (0.108 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: 242 - 18,279 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit