🌌 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: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.46 AU - 0.64 AU

Year: 263 Days

Day: 21.4 Hours

Environment

Temp: -124 °C

Axial Tilt: 7.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 21,211,433 km

• M1: 113,694 km (0.026 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 829.2

Radius: 12.4

Gravity: 5.39 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 0.73 AU - 0.89 AU

Year: 471 Days

Day: 7.1 Hours

Environment

Temp: -138 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 21,211,433 km

• M1: 154,235 km (0.074 R)
• M2: 561,291 km (0.101 R)
• M3: 1,150,408 km (0.101 R)
• M4: 1,609,075 km (0.096 R)
• M5: 2,119,652 km (0.11 R)
• M6: 2,758,435 km (0.081 R)
• M7: 4,320,985 km (0.12 R)
• M8: 5,269,585 km (0.103 R)
• M9: 5,679,184 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 564.7

Radius: 12.9

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.24 AU - 2 AU

Year: 1331 Days

Day: 6.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 21,211,433 km

• M1: 160,818 km (0.114 R)
• M2: 819,946 km (0.043 R)
• M3: 1,322,445 km (0.108 R)
• M4: 1,804,450 km (0.107 R)
• M5: 2,323,554 km (0.07 R)
• M6: 3,408,288 km (0.116 R)
• M7: 3,810,707 km (0.077 R)
• M8: 4,349,857 km (0.033 R)
• M9: 5,075,557 km (0.098 R)
• M10: 5,751,440 km (0.11 R)
• M11: 7,233,506 km (0.098 R)
• M12: 7,797,639 km (0.078 R)
• M13: 8,755,814 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.7

Radius: 13.2

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.48 AU - 2.7 AU

Year: 2691 Days

Day: 7.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,211,433 km

• M1: 164,258 km (0.112 R)
• M2: 720,763 km (0.054 R)
• M3: 1,262,008 km (0.119 R)
• M4: 2,546,754 km (0.054 R)
• M5: 4,007,428 km (0.093 R)
• M6: 6,021,015 km (0.072 R)
• M7: 7,174,415 km (0.036 R)
• M8: 7,725,234 km (0.056 R)
• M9: 8,403,361 km (0.11 R)
• M10: 8,946,401 km (0.077 R)
• M11: 10,178,639 km (0.107 R)
• M12: 12,277,796 km (0.106 R)
• M13: 12,889,203 km (0.092 R)
• M14: 17,208,841 km (0.092 R)
• M15: 17,698,924 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 385.6

Radius: 13.5

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.73 AU - 3.93 AU

Year: 3924 Days

Day: 9.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 21,211,433 km

• M1: 173,384 km (0.094 R)
• M2: 708,196 km (0.058 R)
• M3: 1,133,353 km (0.051 R)
• M4: 1,749,397 km (0.047 R)
• M5: 3,178,356 km (0.099 R)
• M6: 5,038,905 km (0.114 R)
• M7: 7,110,985 km (0.097 R)
• M8: 8,022,335 km (0.106 R)
• M9: 9,010,130 km (0.097 R)
• M10: 10,861,553 km (0.104 R)
• M11: 15,305,059 km (0.099 R)
• M12: 15,869,342 km (0.078 R)
• M13: 16,341,473 km (0.059 R)
• M14: 18,785,902 km (0.057 R)
• M15: 20,834,944 km (0.064 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 554 - 11,306 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit