🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.7

Radius: 9.6

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 0.55 AU - 0.59 AU

Year: 287 Days

Day: 9.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,451,891 km

• M1: 119,379 km (0.094 R)
• M2: 458,069 km (0.116 R)
• M3: 839,693 km (0.079 R)
• M4: 1,361,939 km (0.047 R)
• M5: 1,665,922 km (0.108 R)
• M6: 1,986,660 km (0.11 R)
• M7: 2,541,967 km (0.111 R)
• M8: 2,884,995 km (0.105 R)
• M9: 3,248,667 km (0.074 R)
• M10: 3,555,044 km (0.103 R)
• M11: 3,892,387 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.2

Radius: 8.2

Gravity: 11.45 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.73 AU - 0.95 AU

Year: 513 Days

Day: 6.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 25.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 41,451,891 km

• M1: 102,026 km (0.106 R)
• M2: 371,003 km (0.114 R)
• M3: 715,975 km (0.084 R)
• M4: 1,001,707 km (0.12 R)
• M5: 1,371,364 km (0.102 R)
• M6: 2,025,555 km (0.074 R)
• M7: 2,330,286 km (0.078 R)
• M8: 2,686,778 km (0.085 R)
• M9: 3,345,756 km (0.061 R)
• M10: 3,841,973 km (0.086 R)
• M11: 4,194,575 km (0.108 R)
• M12: 4,646,061 km (0.086 R)
• M13: 5,418,285 km (0.093 R)
• M14: 5,789,886 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 475.7

Radius: 8.6

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.34 AU - 2.7 AU

Year: 2668 Days

Day: 8.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 41,451,891 km

• M1: 106,962 km (0.102 R)
• M2: 376,837 km (0.052 R)
• M3: 740,958 km (0.081 R)
• M4: 1,184,366 km (0.06 R)
• M5: 1,555,967 km (0.109 R)
• M6: 2,453,555 km (0.073 R)
• M7: 3,193,765 km (0.102 R)
• M8: 3,535,746 km (0.085 R)
• M9: 4,395,784 km (0.117 R)
• M10: 4,668,650 km (0.12 R)
• M11: 5,271,679 km (0.066 R)
• M12: 5,825,341 km (0.09 R)
• M13: 7,964,890 km (0.05 R)
• M14: 10,580,758 km (0.091 R)
• M15: 11,266,066 km (0.072 R)
• M16: 12,473,620 km (0.114 R)
• M17: 14,489,601 km (0.12 R)
• M18: 15,049,247 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 625.7

Radius: 8.8

Gravity: 8.08 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 4.8 AU - 6.04 AU

Year: 8415 Days

Day: 13.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 41,451,891 km

• M1: 115,639 km (0.077 R)
• M2: 402,119 km (0.086 R)
• M3: 732,431 km (0.115 R)
• M4: 1,464,114 km (0.071 R)
• M5: 2,119,802 km (0.084 R)
• M6: 2,468,664 km (0.089 R)
• M7: 4,512,321 km (0.087 R)
• M8: 5,370,863 km (0.094 R)
• M9: 8,386,307 km (0.107 R)
• M10: 9,447,255 km (0.034 R)
• M11: 11,674,019 km (0.107 R)
• M12: 13,809,230 km (0.08 R)
• M13: 15,284,714 km (0.032 R)
• M14: 16,930,440 km (0.119 R)
• M15: 19,279,276 km (0.097 R)
• M16: 21,356,293 km (0.111 R)
• M17: 23,663,242 km (0.105 R)
• M18: 24,438,607 km (0.085 R)
• M19: 27,427,573 km (0.039 R)
• M20: 28,187,231 km (0.042 R)
• M21: 31,780,272 km (0.117 R)
• M22: 34,447,752 km (0.089 R)
• M23: 37,261,090 km (0.053 R)
• M24: 38,782,949 km (0.069 R)
• M25: 40,345,648 km (0.104 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 285 - 19,586 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit