🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 2.29 AU - 3.07 AU

Year: 1535 Days

Day: 36.4 Hours

Environment

Temp: -87 °C

Axial Tilt: 4.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.2

Radius: 8.3

Gravity: 8.77 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 6.7 AU - 7.52 AU

Year: 6633 Days

Day: 5.6 Hours

Environment

Temp: -160 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 67,054,706 km

• M1: 116,238 km (0.113 R)
• M2: 386,262 km (0.092 R)
• M3: 759,209 km (0.099 R)
• M4: 1,299,856 km (0.037 R)
• M5: 1,675,945 km (0.099 R)
• M6: 2,107,984 km (0.057 R)
• M7: 2,401,794 km (0.081 R)
• M8: 2,836,226 km (0.091 R)
• M9: 3,474,111 km (0.034 R)
• M10: 4,179,166 km (0.116 R)
• M11: 4,809,272 km (0.118 R)
• M12: 5,176,086 km (0.101 R)
• M13: 7,632,483 km (0.116 R)
• M14: 8,410,841 km (0.098 R)
• M15: 9,413,446 km (0.094 R)
• M16: 9,809,282 km (0.09 R)
• M17: 14,114,260 km (0.095 R)
• M18: 16,772,614 km (0.069 R)
• M19: 20,251,363 km (0.108 R)
• M20: 21,434,832 km (0.087 R)
• M21: 21,737,767 km (0.111 R)
• M22: 26,284,495 km (0.114 R)
• M23: 30,083,982 km (0.076 R)
• M24: 30,846,931 km (0.105 R)
• M25: 33,112,441 km (0.104 R)
• M26: 33,721,155 km (0.054 R)

Planet 3 - Gas Giant

Semi-Major Axis: 11.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.9

Radius: 8.8

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 10.17 AU - 12.07 AU

Year: 12973 Days

Day: 9.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,054,706 km

• M1: 113,994 km (0.043 R)
• M2: 398,230 km (0.119 R)
• M3: 696,378 km (0.088 R)
• M4: 2,406,282 km (0.101 R)
• M5: 3,352,039 km (0.036 R)
• M6: 6,556,575 km (0.096 R)
• M7: 12,512,964 km (0.117 R)
• M8: 13,939,530 km (0.102 R)

Planet 4 - Ice Giant

Semi-Major Axis: 19.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 196.2

Radius: 5.5

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 17.54 AU - 22.14 AU

Year: 30916 Days

Day: 16.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,054,706 km

• M1: 68,815 km (0.102 R)
• M2: 337,642 km (0.114 R)
• M3: 862,282 km (0.073 R)
• M4: 1,166,115 km (0.097 R)
• M5: 1,523,206 km (0.085 R)
• M6: 2,142,242 km (0.105 R)
• M7: 2,843,108 km (0.109 R)
• M8: 6,091,476 km (0.071 R)
• M9: 6,674,010 km (0.101 R)
• M10: 9,112,006 km (0.076 R)
• M11: 9,761,560 km (0.059 R)
• M12: 18,043,298 km (0.103 R)
• M13: 20,305,817 km (0.12 R)
• M14: 22,074,063 km (0.112 R)
• M15: 28,897,222 km (0.104 R)
• M16: 34,494,127 km (0.119 R)
• M17: 47,291,627 km (0.064 R)
• M18: 57,682,396 km (0.068 R)

Kuiper Belt

Range: 31.4 - 60.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 528 - 15,573 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit