🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.6

Radius: 14.3

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.76 AU - 0.84 AU

Year: 469 Days

Day: 7.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,653,539 km

• M1: 177,872 km (0.098 R)
• M2: 646,562 km (0.115 R)
• M3: 1,403,378 km (0.037 R)
• M4: 1,867,281 km (0.085 R)
• M5: 2,849,690 km (0.028 R)
• M6: 3,755,505 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 173.2

Radius: 9.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1 AU - 1.44 AU

Year: 884 Days

Day: 12.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,653,539 km

• M1: 122,670 km (0.088 R)
• M2: 561,590 km (0.09 R)
• M3: 1,060,200 km (0.077 R)
• M4: 1,991,148 km (0.066 R)
• M5: 2,558,572 km (0.066 R)
• M6: 3,467,080 km (0.078 R)
• M7: 3,975,713 km (0.07 R)
• M8: 4,389,202 km (0.112 R)
• M9: 5,997,079 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.5

Radius: 9.9

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 3.44 AU - 4.76 AU

Year: 5446 Days

Day: 13.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 38,653,539 km

• M1: 153,188 km (0.094 R)
• M2: 607,218 km (0.106 R)
• M3: 2,645,788 km (0.118 R)
• M4: 3,422,949 km (0.072 R)
• M5: 5,309,378 km (0.111 R)
• M6: 6,102,845 km (0.095 R)
• M7: 7,924,798 km (0.075 R)
• M8: 9,942,424 km (0.03 R)
• M9: 10,845,546 km (0.032 R)
• M10: 11,684,641 km (0.081 R)
• M11: 14,148,667 km (0.102 R)
• M12: 16,442,900 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 652

Radius: 8.5

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 3.83 AU - 6.25 AU

Year: 7423 Days

Day: 6.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 38,653,539 km

• M1: 105,766 km (0.111 R)
• M2: 374,294 km (0.083 R)
• M3: 775,366 km (0.054 R)
• M4: 1,065,436 km (0.059 R)
• M5: 1,345,334 km (0.101 R)
• M6: 1,758,373 km (0.082 R)
• M7: 2,305,453 km (0.055 R)
• M8: 3,106,849 km (0.106 R)
• M9: 3,833,445 km (0.093 R)
• M10: 4,530,721 km (0.097 R)
• M11: 5,371,012 km (0.114 R)
• M12: 6,484,170 km (0.065 R)
• M13: 8,515,560 km (0.05 R)
• M14: 9,790,433 km (0.052 R)
• M15: 11,137,711 km (0.105 R)
• M16: 15,599,916 km (0.111 R)
• M17: 18,258,271 km (0.106 R)
• M18: 18,752,691 km (0.084 R)
• M19: 24,968,034 km (0.095 R)
• M20: 28,867,901 km (0.079 R)
• M21: 31,012,087 km (0.067 R)
• M22: 32,327,651 km (0.111 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 481 - 12,169 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit