🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.21 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 2.21 AU - 2.63 AU

Year: 1375 Days

Day: 28 Hours

Environment

Temp: -92 °C

Axial Tilt: 37.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 5.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 189.4

Radius: 9.1

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 4.88 AU - 6.36 AU

Year: 4866 Days

Day: 11.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 47,915,805 km

• M1: 115,639 km (0.084 R)
• M2: 1,398,441 km (0.108 R)
• M3: 1,749,248 km (0.084 R)
• M4: 3,087,401 km (0.069 R)
• M5: 3,486,079 km (0.067 R)
• M6: 3,938,613 km (0.043 R)
• M7: 5,100,839 km (0.105 R)
• M8: 5,584,788 km (0.112 R)
• M9: 9,122,777 km (0.1 R)
• M10: 11,415,664 km (0.057 R)
• M11: 15,264,668 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 964.3

Radius: 10.8

Gravity: 8.27 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 8.52 AU - 8.98 AU

Year: 9454 Days

Day: 6.9 Hours

Environment

Temp: -165 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,915,805 km

• M1: 134,339 km (0.093 R)
• M2: 493,972 km (0.057 R)
• M3: 856,747 km (0.074 R)
• M4: 2,706,375 km (0.068 R)
• M5: 3,172,372 km (0.081 R)
• M6: 3,958,060 km (0.063 R)
• M7: 4,682,413 km (0.04 R)
• M8: 5,771,037 km (0.04 R)
• M9: 6,432,110 km (0.075 R)
• M10: 7,307,856 km (0.036 R)
• M11: 9,895,002 km (0.067 R)
• M12: 10,896,709 km (0.116 R)
• M13: 11,450,520 km (0.111 R)
• M14: 13,983,511 km (0.074 R)
• M15: 15,587,799 km (0.098 R)
• M16: 16,650,692 km (0.053 R)
• M17: 17,761,306 km (0.089 R)
• M18: 18,606,684 km (0.064 R)
• M19: 18,999,678 km (0.095 R)
• M20: 33,538,047 km (0.063 R)
• M21: 37,884,614 km (0.105 R)
• M22: 42,321,537 km (0.104 R)
• M23: 50,364,816 km (0.118 R)
• M24: 50,975,474 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.5

Radius: 8.4

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 7.88 AU - 12.56 AU

Year: 11933 Days

Day: 13.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 47,915,805 km

• M1: 104,719 km (0.079 R)
• M2: 402,269 km (0.088 R)
• M3: 782,098 km (0.076 R)
• M4: 1,211,294 km (0.081 R)
• M5: 2,189,664 km (0.11 R)
• M6: 5,100,091 km (0.11 R)
• M7: 6,446,621 km (0.086 R)
• M8: 7,467,028 km (0.116 R)
• M9: 8,277,998 km (0.075 R)
• M10: 9,146,563 km (0.043 R)
• M11: 11,554,491 km (0.096 R)
• M12: 11,833,341 km (0.12 R)
• M13: 12,874,393 km (0.099 R)
• M14: 13,478,619 km (0.114 R)
• M15: 14,356,010 km (0.119 R)
• M16: 15,270,951 km (0.091 R)
• M17: 16,503,787 km (0.099 R)
• M18: 18,780,367 km (0.116 R)
• M19: 19,322,061 km (0.102 R)
• M20: 22,359,945 km (0.117 R)
• M21: 25,607,565 km (0.094 R)
• M22: 31,588,338 km (0.082 R)
• M23: 39,185,517 km (0.1 R)
• M24: 42,141,122 km (0.118 R)
• M25: 42,537,257 km (0.1 R)
• M26: 44,011,095 km (0.102 R)
• M27: 46,355,294 km (0.047 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 20,328 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit