🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.7

Radius: 13.3

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.49 AU - 0.59 AU

Year: 265 Days

Day: 9.7 Hours

Environment

Temp: -139 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 29,594,320 km

• M1: 165,605 km (0.113 R)
• M2: 596,148 km (0.089 R)
• M3: 1,268,740 km (0.079 R)
• M4: 1,762,263 km (0.112 R)
• M5: 2,646,386 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.9

Radius: 13.9

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.63 AU - 0.89 AU

Year: 442 Days

Day: 11.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,594,320 km

• M1: 173,234 km (0.066 R)
• M2: 667,655 km (0.118 R)
• M3: 1,282,054 km (0.071 R)
• M4: 1,827,488 km (0.115 R)
• M5: 2,432,162 km (0.059 R)
• M6: 2,903,994 km (0.096 R)
• M7: 3,722,145 km (0.063 R)
• M8: 4,255,760 km (0.075 R)
• M9: 5,852,418 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73

Radius: 11

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.81 AU - 0.89 AU

Year: 523 Days

Day: 6.7 Hours

Environment

Temp: -163 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 29,594,320 km

• M1: 149,448 km (0.063 R)
• M2: 503,247 km (0.064 R)
• M3: 929,900 km (0.102 R)
• M4: 1,290,431 km (0.048 R)
• M5: 1,664,127 km (0.083 R)
• M6: 2,117,857 km (0.101 R)
• M7: 2,542,565 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.8

Radius: 8.6

Gravity: 1.9 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 1.36 AU - 1.52 AU

Year: 1152 Days

Day: 14.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,594,320 km

• M1: 109,356 km (0.099 R)
• M2: 424,858 km (0.111 R)
• M3: 748,588 km (0.062 R)
• M4: 1,264,551 km (0.09 R)
• M5: 2,207,167 km (0.092 R)
• M6: 3,223,086 km (0.055 R)
• M7: 4,226,888 km (0.067 R)
• M8: 5,529,586 km (0.088 R)
• M9: 5,830,128 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.6

Radius: 9.5

Gravity: 7.5 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.53 AU - 4.01 AU

Year: 4881 Days

Day: 9.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 29,594,320 km

• M1: 118,182 km (0.079 R)
• M2: 432,039 km (0.096 R)
• M3: 938,128 km (0.068 R)
• M4: 1,246,300 km (0.084 R)
• M5: 1,672,504 km (0.113 R)
• M6: 2,120,101 km (0.108 R)
• M7: 2,594,925 km (0.118 R)
• M8: 3,178,506 km (0.097 R)
• M9: 3,522,731 km (0.093 R)
• M10: 3,936,967 km (0.108 R)
• M11: 4,531,320 km (0.032 R)
• M12: 5,157,237 km (0.102 R)
• M13: 11,304,513 km (0.108 R)
• M14: 12,159,764 km (0.118 R)
• M15: 12,703,253 km (0.078 R)
• M16: 13,891,957 km (0.108 R)
• M17: 15,437,453 km (0.076 R)
• M18: 15,899,262 km (0.089 R)
• M19: 22,550,981 km (0.103 R)
• M20: 26,360,042 km (0.1 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 262 - 14,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit