🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666

Radius: 9.5

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.51 AU - 0.55 AU

Year: 271 Days

Day: 10.8 Hours

Environment

Temp: -146 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,595,936 km

• M1: 118,332 km (0.087 R)
• M2: 475,721 km (0.114 R)
• M3: 1,032,076 km (0.099 R)
• M4: 1,360,593 km (0.115 R)
• M5: 1,841,699 km (0.087 R)
• M6: 2,284,509 km (0.059 R)
• M7: 2,588,791 km (0.109 R)
• M8: 3,547,265 km (0.103 R)
• M9: 4,101,824 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.5

Radius: 12.5

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.9 AU - 1.22 AU

Year: 767 Days

Day: 12.8 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,595,936 km

• M1: 172,187 km (0.083 R)
• M2: 719,865 km (0.032 R)
• M3: 1,136,645 km (0.111 R)
• M4: 2,144,785 km (0.106 R)
• M5: 2,631,127 km (0.058 R)
• M6: 4,019,695 km (0.065 R)
• M7: 4,459,363 km (0.111 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.9

Radius: 14.9

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 2.37 AU - 3.87 AU

Year: 3874 Days

Day: 5.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 24,595,936 km

• M1: 185,352 km (0.104 R)
• M2: 702,661 km (0.112 R)
• M3: 1,307,635 km (0.119 R)
• M4: 2,155,556 km (0.063 R)
• M5: 2,845,501 km (0.054 R)
• M6: 3,385,101 km (0.088 R)
• M7: 3,993,066 km (0.079 R)
• M8: 5,530,932 km (0.073 R)
• M9: 6,547,450 km (0.1 R)
• M10: 7,100,813 km (0.089 R)
• M11: 8,038,342 km (0.096 R)
• M12: 8,951,488 km (0.09 R)
• M13: 9,597,900 km (0.054 R)
• M14: 10,904,189 km (0.12 R)
• M15: 12,195,817 km (0.073 R)
• M16: 13,540,702 km (0.072 R)
• M17: 14,201,326 km (0.042 R)
• M18: 14,932,859 km (0.105 R)
• M19: 15,740,688 km (0.092 R)
• M20: 16,418,516 km (0.085 R)
• M21: 18,340,400 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.2

Radius: 12.4

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.69 AU - 3.75 AU

Year: 5043 Days

Day: 11.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,595,936 km

• M1: 154,385 km (0.106 R)
• M2: 630,854 km (0.097 R)
• M3: 1,146,668 km (0.092 R)
• M4: 1,713,943 km (0.081 R)
• M5: 2,265,660 km (0.087 R)
• M6: 2,988,068 km (0.106 R)
• M7: 4,260,847 km (0.082 R)
• M8: 4,790,722 km (0.097 R)
• M9: 6,617,911 km (0.11 R)
• M10: 9,337,749 km (0.088 R)
• M11: 11,144,293 km (0.057 R)
• M12: 12,584,173 km (0.03 R)
• M13: 17,585,978 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 295.5

Radius: 8.2

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.26 AU - 5.08 AU

Year: 7094 Days

Day: 6.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 24,595,936 km

• M1: 102,026 km (0.086 R)
• M2: 433,385 km (0.043 R)
• M3: 861,684 km (0.12 R)
• M4: 1,240,166 km (0.116 R)
• M5: 2,198,490 km (0.116 R)
• M6: 3,025,617 km (0.076 R)
• M7: 4,138,326 km (0.043 R)
• M8: 5,446,110 km (0.102 R)
• M9: 5,819,507 km (0.102 R)
• M10: 6,240,625 km (0.027 R)
• M11: 7,043,217 km (0.077 R)
• M12: 7,417,362 km (0.111 R)
• M13: 8,505,836 km (0.108 R)
• M14: 9,863,885 km (0.113 R)
• M15: 11,453,662 km (0.106 R)
• M16: 12,653,437 km (0.077 R)
• M17: 15,188,672 km (0.116 R)
• M18: 15,929,480 km (0.089 R)
• M19: 20,475,461 km (0.101 R)
• M20: 21,379,331 km (0.092 R)
• M21: 24,097,225 km (0.106 R)
• M22: 25,025,929 km (0.073 R)
• M23: 28,124,400 km (0.086 R)
• M24: 28,379,464 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 60.1

Radius: 4.5

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 6.76 AU - 6.8 AU

Year: 12409 Days

Day: 19.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 24,595,936 km

• M1: 56,099 km (0.119 R)
• M2: 370,404 km (0.115 R)
• M3: 890,556 km (0.1 R)
• M4: 1,181,973 km (0.082 R)
• M5: 1,478,326 km (0.066 R)
• M6: 2,233,047 km (0.117 R)
• M7: 2,587,594 km (0.074 R)
• M8: 3,086,802 km (0.116 R)
• M9: 3,235,204 km (0.116 R)
• M10: 4,296,750 km (0.092 R)
• M11: 5,598,700 km (0.099 R)
• M12: 7,370,837 km (0.119 R)
• M13: 8,152,635 km (0.081 R)
• M14: 10,533,485 km (0.112 R)
• M15: 12,155,126 km (0.065 R)
• M16: 15,828,652 km (0.111 R)
• M17: 18,793,532 km (0.065 R)
• M18: 20,568,810 km (0.119 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 250 - 13,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit