🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.94 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.46 AU - 2.3 AU

Year: 961 Days

Day: 44.9 Hours

Environment

Temp: -70 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 781.7

Radius: 12.3

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 3.83 AU - 5.41 AU

Year: 3702 Days

Day: 8.7 Hours

Environment

Temp: -137 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,549,220 km

• M1: 153,188 km (0.114 R)
• M2: 583,731 km (0.104 R)
• M3: 1,272,629 km (0.096 R)
• M4: 1,948,213 km (0.104 R)
• M5: 3,323,466 km (0.093 R)
• M6: 4,661,320 km (0.104 R)
• M7: 6,390,372 km (0.037 R)
• M8: 8,808,173 km (0.092 R)
• M9: 9,615,403 km (0.1 R)
• M10: 10,098,604 km (0.061 R)
• M11: 14,515,481 km (0.063 R)
• M12: 14,991,203 km (0.088 R)
• M13: 15,696,856 km (0.062 R)
• M14: 18,128,719 km (0.112 R)
• M15: 20,404,850 km (0.073 R)
• M16: 21,748,538 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 6.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.4

Radius: 8.4

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 6.13 AU - 6.45 AU

Year: 5881 Days

Day: 8.8 Hours

Environment

Temp: -158 °C

Axial Tilt: 29 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,549,220 km

• M1: 107,411 km (0.047 R)
• M2: 424,110 km (0.052 R)
• M3: 943,813 km (0.098 R)
• M4: 1,580,801 km (0.077 R)
• M5: 1,856,958 km (0.103 R)
• M6: 2,192,806 km (0.112 R)
• M7: 2,937,354 km (0.078 R)
• M8: 3,740,695 km (0.034 R)
• M9: 4,546,130 km (0.064 R)
• M10: 5,829,380 km (0.027 R)
• M11: 6,101,499 km (0.097 R)
• M12: 6,468,014 km (0.098 R)
• M13: 7,091,089 km (0.113 R)
• M14: 9,496,622 km (0.111 R)
• M15: 11,486,125 km (0.098 R)
• M16: 11,958,405 km (0.098 R)
• M17: 17,476,173 km (0.119 R)

Planet 4 - Ice Giant

Semi-Major Axis: 12.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 617.3

Radius: 3.7

Gravity: 45.09 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 9.72 AU - 14.88 AU

Year: 16081 Days

Day: 23.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 63,549,220 km

• M1: 46,375 km (0.1 R)
• M2: 256,112 km (0.078 R)
• M3: 634,145 km (0.072 R)
• M4: 1,516,025 km (0.079 R)
• M5: 2,205,970 km (0.106 R)
• M6: 2,433,509 km (0.118 R)
• M7: 3,262,580 km (0.108 R)
• M8: 6,938,050 km (0.081 R)
• M9: 7,380,710 km (0.078 R)
• M10: 12,759,502 km (0.077 R)
• M11: 12,956,073 km (0.094 R)
• M12: 13,831,370 km (0.059 R)
• M13: 14,389,221 km (0.099 R)
• M14: 15,624,301 km (0.119 R)
• M15: 30,065,881 km (0.108 R)
• M16: 48,058,166 km (0.11 R)
• M17: 48,852,980 km (0.102 R)
• M18: 58,362,916 km (0.086 R)
• M19: 59,997,872 km (0.078 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 455 - 11,654 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit