🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 0.49 AU - 0.59 AU

Year: 139 Days

Day: 13.4 Hours

Environment

Temp: 203 °C

Axial Tilt: 29.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.68

Radius: 0.86

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.63 AU - 0.77 AU

Year: 205 Days

Day: 25 Hours

Environment

Temp: 192 °C

Axial Tilt: 35.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 24,783,660 km

• M1: 207,791 km (0.089 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.83 AU - 1.83 AU

Year: 866 Days

Day: 39.7 Hours

Environment

Temp: -33 °C

Axial Tilt: 1.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 5.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.54

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 4.22 AU - 6.76 AU

Year: 4500 Days

Day: 34.8 Hours

Environment

Temp: -135 °C

Axial Tilt: 9.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.2

Radius: 9.8

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 5.42 AU - 6.2 AU

Year: 4899 Days

Day: 5 Hours

Environment

Temp: -145 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 24,783,660 km

• M1: 121,922 km (0.067 R)
• M2: 671,395 km (0.119 R)
• M3: 1,045,240 km (0.091 R)
• M4: 1,670,859 km (0.069 R)
• M5: 2,393,566 km (0.067 R)
• M6: 3,147,390 km (0.107 R)
• M7: 3,482,489 km (0.111 R)
• M8: 4,381,422 km (0.057 R)
• M9: 4,824,980 km (0.116 R)
• M10: 5,170,850 km (0.093 R)
• M11: 6,052,131 km (0.08 R)
• M12: 6,999,236 km (0.074 R)
• M13: 8,565,525 km (0.081 R)
• M14: 9,411,651 km (0.094 R)
• M15: 10,805,005 km (0.03 R)
• M16: 13,700,472 km (0.08 R)
• M17: 15,220,985 km (0.082 R)
• M18: 15,967,778 km (0.102 R)
• M19: 17,020,199 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.9

Radius: 8.5

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 6.11 AU - 6.65 AU

Year: 5638 Days

Day: 10.4 Hours

Environment

Temp: -154 °C

Axial Tilt: 125.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,783,660 km

• M1: 106,214 km (0.084 R)
• M2: 519,703 km (0.104 R)
• M3: 869,762 km (0.118 R)
• M4: 1,136,794 km (0.112 R)
• M5: 1,769,444 km (0.094 R)
• M6: 2,123,093 km (0.088 R)
• M7: 2,784,016 km (0.106 R)
• M8: 3,496,102 km (0.059 R)
• M9: 5,020,953 km (0.064 R)
• M10: 7,297,683 km (0.072 R)
• M11: 8,037,744 km (0.073 R)
• M12: 8,716,170 km (0.084 R)
• M13: 10,025,002 km (0.115 R)
• M14: 12,835,797 km (0.063 R)
• M15: 13,912,452 km (0.097 R)
• M16: 15,747,569 km (0.062 R)
• M17: 16,751,670 km (0.12 R)
• M18: 17,038,001 km (0.085 R)
• M19: 17,620,385 km (0.098 R)
• M20: 21,735,075 km (0.07 R)
• M21: 24,123,405 km (0.102 R)

Kuiper Belt

Range: 31.4 - 57.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 179 - 11,319 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit