🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669

Radius: 13

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.74 AU - 0.96 AU

Year: 523 Days

Day: 10 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 42,845,904 km

• M1: 161,715 km (0.118 R)
• M2: 628,610 km (0.066 R)
• M3: 1,149,211 km (0.046 R)
• M4: 1,685,070 km (0.102 R)
• M5: 2,112,322 km (0.043 R)
• M6: 5,033,071 km (0.091 R)
• M7: 5,617,699 km (0.116 R)
• M8: 6,228,657 km (0.03 R)
• M9: 6,647,381 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.6

Radius: 9.5

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.68 AU - 1.08 AU

Year: 550 Days

Day: 6.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 42,845,904 km

• M1: 118,182 km (0.104 R)
• M2: 445,502 km (0.114 R)
• M3: 794,664 km (0.102 R)
• M4: 1,142,778 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219

Radius: 14.3

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.01 AU - 3.87 AU

Year: 4255 Days

Day: 5.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 42,845,904 km

• M1: 177,872 km (0.107 R)
• M2: 918,830 km (0.112 R)
• M3: 1,577,510 km (0.116 R)
• M4: 2,170,815 km (0.07 R)
• M5: 3,069,300 km (0.096 R)
• M6: 4,366,463 km (0.084 R)
• M7: 5,481,116 km (0.116 R)
• M8: 9,060,694 km (0.09 R)
• M9: 9,544,494 km (0.082 R)
• M10: 10,009,145 km (0.09 R)
• M11: 10,984,074 km (0.066 R)
• M12: 12,863,173 km (0.079 R)
• M13: 14,153,006 km (0.087 R)
• M14: 15,235,945 km (0.113 R)
• M15: 15,822,668 km (0.047 R)
• M16: 17,513,872 km (0.096 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 159.8

Radius: 4.3

Gravity: 8.64 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 8.32 AU - 9.34 AU

Year: 17497 Days

Day: 22.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,845,904 km

• M1: 53,556 km (0.104 R)
• M2: 311,463 km (0.078 R)
• M3: 698,323 km (0.109 R)
• M4: 1,243,906 km (0.115 R)
• M5: 1,482,216 km (0.045 R)
• M6: 2,650,874 km (0.059 R)
• M7: 3,002,728 km (0.033 R)
• M8: 6,388,278 km (0.116 R)
• M9: 7,771,609 km (0.077 R)
• M10: 9,204,458 km (0.082 R)
• M11: 11,589,646 km (0.111 R)
• M12: 11,859,670 km (0.094 R)
• M13: 15,826,856 km (0.118 R)
• M14: 16,906,504 km (0.094 R)
• M15: 18,106,578 km (0.11 R)
• M16: 18,543,254 km (0.106 R)
• M17: 22,711,051 km (0.1 R)
• M18: 25,598,290 km (0.076 R)
• M19: 35,482,820 km (0.096 R)
• M20: 37,207,982 km (0.103 R)
• M21: 39,351,121 km (0.088 R)
• M22: 40,576,478 km (0.112 R)
• M23: 42,717,672 km (0.069 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 13,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit