🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.97

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.45 AU - 0.65 AU

Year: 150 Days

Day: 26.2 Hours

Environment

Temp: 162 °C

Axial Tilt: 15.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,516,825 km

• M1: 64,177 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.02

Radius: 1.56

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.7 AU - 0.8 AU

Year: 238 Days

Day: 21.2 Hours

Environment

Temp: 140 °C

Axial Tilt: 7.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Gas Giant

Semi-Major Axis: 4.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 967.6

Radius: 8.9

Gravity: 12.22 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.78 AU - 5.14 AU

Year: 4055 Days

Day: 6.3 Hours

Environment

Temp: -145 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,516,825 km

• M1: 111,151 km (0.109 R)
• M2: 496,515 km (0.066 R)
• M3: 935,435 km (0.098 R)
• M4: 1,380,040 km (0.099 R)
• M5: 1,785,750 km (0.088 R)
• M6: 2,412,116 km (0.096 R)
• M7: 2,930,772 km (0.113 R)
• M8: 3,256,596 km (0.077 R)
• M9: 3,585,263 km (0.062 R)
• M10: 3,936,219 km (0.1 R)
• M11: 4,382,619 km (0.075 R)
• M12: 4,836,350 km (0.095 R)
• M13: 5,837,907 km (0.106 R)
• M14: 6,643,193 km (0.063 R)
• M15: 7,005,519 km (0.102 R)
• M16: 8,781,993 km (0.063 R)
• M17: 9,178,577 km (0.039 R)
• M18: 9,964,864 km (0.104 R)
• M19: 11,813,744 km (0.12 R)
• M20: 13,200,815 km (0.113 R)
• M21: 13,721,565 km (0.057 R)
• M22: 15,366,394 km (0.093 R)
• M23: 16,177,215 km (0.098 R)
• M24: 18,846,489 km (0.117 R)
• M25: 19,640,854 km (0.061 R)
• M26: 22,012,728 km (0.033 R)
• M27: 26,984,015 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.2

Radius: 8

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 6.24 AU - 6.74 AU

Year: 6069 Days

Day: 7.6 Hours

Environment

Temp: -148 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 49,516,825 km

• M1: 115,490 km (0.12 R)
• M2: 497,712 km (0.061 R)
• M3: 4,283,885 km (0.091 R)
• M4: 7,427,684 km (0.103 R)
• M5: 8,389,000 km (0.12 R)
• M6: 10,266,902 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 16.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 130.6

Radius: 3.6

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 15.41 AU - 17.1 AU

Year: 24047 Days

Day: 24 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,516,825 km

• M1: 49,517 km (0.065 R)
• M2: 417,228 km (0.102 R)
• M3: 975,827 km (0.072 R)
• M4: 1,367,175 km (0.105 R)
• M5: 3,187,332 km (0.107 R)
• M6: 3,479,497 km (0.092 R)
• M7: 5,619,195 km (0.08 R)
• M8: 8,230,875 km (0.115 R)
• M9: 9,352,111 km (0.104 R)
• M10: 22,106,526 km (0.107 R)
• M11: 24,159,607 km (0.06 R)
• M12: 26,141,929 km (0.069 R)
• M13: 31,074,769 km (0.08 R)
• M14: 31,952,908 km (0.09 R)
• M15: 35,631,221 km (0.109 R)
• M16: 40,224,324 km (0.067 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 386 - 14,132 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit