🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.27

Radius: 1.39

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.78 AU - 0.84 AU

Year: 330 Days

Day: 14.7 Hours

Environment

Temp: -53 °C

Axial Tilt: 0.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 528.4

Radius: 12.1

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 3.01 AU - 4.55 AU

Year: 3329 Days

Day: 8.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 39,407,077 km

• M1: 150,944 km (0.118 R)
• M2: 705,354 km (0.119 R)
• M3: 1,265,000 km (0.073 R)
• M4: 1,726,210 km (0.089 R)
• M5: 2,411,817 km (0.103 R)
• M6: 3,184,490 km (0.105 R)
• M7: 4,412,988 km (0.045 R)
• M8: 5,368,170 km (0.12 R)
• M9: 8,612,349 km (0.03 R)
• M10: 10,176,994 km (0.086 R)
• M11: 12,533,310 km (0.07 R)
• M12: 13,533,072 km (0.118 R)
• M13: 14,293,179 km (0.075 R)
• M14: 16,637,378 km (0.098 R)
• M15: 17,124,319 km (0.045 R)
• M16: 18,183,771 km (0.088 R)
• M17: 19,286,307 km (0.025 R)
• M18: 20,005,274 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.2

Radius: 14.7

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 7.34 AU - 8.14 AU

Year: 9755 Days

Day: 9.9 Hours

Environment

Temp: -204 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 39,407,077 km

• M1: 183,257 km (0.077 R)
• M2: 710,739 km (0.116 R)
• M3: 2,394,314 km (0.064 R)
• M4: 3,590,947 km (0.105 R)
• M5: 4,191,134 km (0.07 R)
• M6: 5,341,242 km (0.094 R)
• M7: 7,254,599 km (0.102 R)
• M8: 8,261,542 km (0.109 R)
• M9: 8,909,301 km (0.106 R)
• M10: 9,405,667 km (0.08 R)
• M11: 10,112,367 km (0.053 R)
• M12: 10,753,245 km (0.042 R)
• M13: 12,281,237 km (0.09 R)
• M14: 13,184,060 km (0.055 R)
• M15: 14,313,075 km (0.11 R)
• M16: 14,807,496 km (0.032 R)
• M17: 18,593,968 km (0.073 R)
• M18: 21,104,819 km (0.12 R)
• M19: 23,748,064 km (0.116 R)
• M20: 24,794,052 km (0.093 R)
• M21: 25,688,946 km (0.108 R)
• M22: 26,420,181 km (0.052 R)
• M23: 27,924,537 km (0.091 R)
• M24: 32,461,242 km (0.063 R)
• M25: 39,124,331 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 371.9

Radius: 14.8

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.77 AU - 9.09 AU

Year: 10117 Days

Day: 6.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 124.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 39,407,077 km

• M1: 289,322 km (0.08 R)
• M2: 947,553 km (0.116 R)
• M3: 2,583,106 km (0.091 R)
• M4: 4,798,651 km (0.09 R)
• M5: 5,730,945 km (0.06 R)
• M6: 6,463,825 km (0.072 R)
• M7: 7,296,038 km (0.094 R)
• M8: 8,117,330 km (0.106 R)
• M9: 8,956,275 km (0.106 R)
• M10: 10,562,806 km (0.114 R)
• M11: 11,358,368 km (0.105 R)
• M12: 15,568,202 km (0.062 R)
• M13: 17,131,649 km (0.09 R)
• M14: 19,012,992 km (0.063 R)
• M15: 19,596,124 km (0.035 R)
• M16: 28,872,987 km (0.083 R)
• M17: 30,527,839 km (0.075 R)
• M18: 34,346,624 km (0.119 R)
• M19: 35,650,669 km (0.12 R)
• M20: 38,126,962 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 322 - 16,313 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit