🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.81

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 0.59 AU - 0.59 AU

Year: 173 Days

Day: 29.7 Hours

Environment

Temp: 139 °C

Axial Tilt: 81.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 48,880,245 km

• M1: 29,620 km (0.047 R)
• M2: 154,983 km (0.114 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.61 AU - 1.93 AU

Year: 897 Days

Day: 13.5 Hours

Environment

Temp: -59 °C

Axial Tilt: 37.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.4

Radius: 14.5

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 6.47 AU - 7.25 AU

Year: 6842 Days

Day: 7 Hours

Environment

Temp: -165 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,880,245 km

• M1: 180,415 km (0.072 R)
• M2: 938,427 km (0.068 R)
• M3: 1,847,384 km (0.052 R)
• M4: 2,468,963 km (0.067 R)
• M5: 3,478,898 km (0.108 R)
• M6: 4,188,441 km (0.053 R)
• M7: 4,965,602 km (0.107 R)
• M8: 6,842,906 km (0.038 R)
• M9: 8,307,768 km (0.105 R)
• M10: 8,785,733 km (0.097 R)
• M11: 10,106,383 km (0.113 R)
• M12: 10,605,741 km (0.109 R)
• M13: 11,555,688 km (0.104 R)
• M14: 12,561,883 km (0.047 R)
• M15: 15,511,055 km (0.086 R)
• M16: 16,735,364 km (0.113 R)
• M17: 17,306,978 km (0.086 R)
• M18: 18,422,080 km (0.047 R)
• M19: 19,376,066 km (0.091 R)
• M20: 20,795,600 km (0.096 R)
• M21: 24,728,678 km (0.07 R)
• M22: 25,721,409 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 9.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 610.9

Radius: 10.4

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 8.89 AU - 9.83 AU

Year: 10905 Days

Day: 6.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,880,245 km

• M1: 129,402 km (0.075 R)
• M2: 458,517 km (0.067 R)
• M3: 966,552 km (0.107 R)
• M4: 1,498,971 km (0.05 R)
• M5: 1,865,485 km (0.116 R)
• M6: 3,343,961 km (0.028 R)
• M7: 3,793,054 km (0.058 R)
• M8: 5,691,002 km (0.058 R)
• M9: 6,407,875 km (0.101 R)
• M10: 7,183,690 km (0.098 R)
• M11: 8,644,962 km (0.113 R)
• M12: 10,040,261 km (0.046 R)
• M13: 11,636,022 km (0.063 R)
• M14: 12,553,057 km (0.116 R)
• M15: 13,150,251 km (0.078 R)
• M16: 14,791,789 km (0.082 R)
• M17: 17,504,148 km (0.11 R)
• M18: 18,938,791 km (0.101 R)
• M19: 20,532,009 km (0.061 R)
• M20: 23,442,585 km (0.071 R)
• M21: 27,008,998 km (0.064 R)
• M22: 37,109,397 km (0.092 R)
• M23: 37,967,491 km (0.057 R)
• M24: 38,463,707 km (0.12 R)
• M25: 41,532,408 km (0.09 R)
• M26: 43,261,011 km (0.111 R)
• M27: 45,453,817 km (0.118 R)
• M28: 48,008,051 km (0.117 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 11,329 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit