🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.16 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.07

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.12 AU - 2.52 AU

Year: 1353 Days

Day: 27.7 Hours

Environment

Temp: -95 °C

Axial Tilt: 26.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 30,207,981 km

• M1: 86,468 km (0.057 R)

Asteroid Belt

Center: 3.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 780.4

Radius: 12.6

Gravity: 4.92 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 3.57 AU - 4.89 AU

Year: 3331 Days

Day: 7.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,207,981 km

• M1: 156,629 km (0.115 R)
• M2: 1,281,007 km (0.079 R)
• M3: 1,767,948 km (0.047 R)
• M4: 2,452,807 km (0.047 R)
• M5: 3,402,155 km (0.08 R)
• M6: 4,242,446 km (0.11 R)
• M7: 5,581,497 km (0.08 R)
• M8: 6,218,484 km (0.067 R)
• M9: 8,638,529 km (0.112 R)
• M10: 9,114,400 km (0.065 R)
• M11: 10,279,767 km (0.035 R)
• M12: 11,195,755 km (0.112 R)
• M13: 11,673,720 km (0.092 R)
• M14: 13,479,367 km (0.095 R)
• M15: 14,020,761 km (0.091 R)
• M16: 14,627,829 km (0.104 R)
• M17: 15,517,787 km (0.077 R)
• M18: 17,062,086 km (0.056 R)
• M19: 18,585,591 km (0.103 R)
• M20: 23,206,220 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.3

Radius: 10.7

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.04 AU - 4.56 AU

Year: 3414 Days

Day: 5.6 Hours

Environment

Temp: -134 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,207,981 km

• M1: 134,488 km (0.106 R)
• M2: 507,137 km (0.114 R)
• M3: 936,931 km (0.043 R)
• M4: 1,358,947 km (0.092 R)
• M5: 2,672,416 km (0.07 R)
• M6: 3,109,541 km (0.065 R)
• M7: 4,108,706 km (0.071 R)
• M8: 4,938,375 km (0.074 R)
• M9: 5,526,594 km (0.118 R)
• M10: 6,647,381 km (0.11 R)
• M11: 7,820,229 km (0.119 R)
• M12: 10,013,034 km (0.116 R)
• M13: 11,191,417 km (0.115 R)
• M14: 12,082,122 km (0.107 R)
• M15: 13,505,995 km (0.091 R)
• M16: 13,913,051 km (0.072 R)
• M17: 15,426,981 km (0.069 R)
• M18: 16,072,496 km (0.09 R)
• M19: 16,581,129 km (0.087 R)
• M20: 17,048,024 km (0.049 R)
• M21: 18,171,803 km (0.057 R)

Planet 4 - Gas Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 373.6

Radius: 9.7

Gravity: 3.97 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.53 AU - 8.05 AU

Year: 6774 Days

Day: 10.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,207,981 km

• M1: 120,576 km (0.11 R)
• M2: 839,394 km (0.06 R)
• M3: 1,262,008 km (0.087 R)
• M4: 1,732,792 km (0.068 R)
• M5: 2,446,673 km (0.109 R)
• M6: 3,011,106 km (0.097 R)
• M7: 3,836,587 km (0.118 R)
• M8: 4,326,819 km (0.091 R)
• M9: 6,206,217 km (0.092 R)
• M10: 7,715,809 km (0.073 R)
• M11: 8,231,772 km (0.071 R)
• M12: 9,373,952 km (0.107 R)
• M13: 9,918,937 km (0.107 R)
• M14: 12,966,695 km (0.103 R)
• M15: 14,017,620 km (0.042 R)
• M16: 14,563,951 km (0.116 R)
• M17: 14,954,850 km (0.064 R)
• M18: 19,324,754 km (0.112 R)
• M19: 23,244,966 km (0.085 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 503 - 17,514 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit