🌌 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: 984.5

Radius: 10.6

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.45 AU - 0.69 AU

Year: 287 Days

Day: 14 Hours

Environment

Temp: -150 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,471,031 km

• M1: 131,796 km (0.071 R)
• M2: 738,116 km (0.097 R)
• M3: 1,308,832 km (0.119 R)
• M4: 1,712,148 km (0.027 R)
• M5: 2,342,852 km (0.097 R)
• M6: 2,766,065 km (0.103 R)
• M7: 3,406,344 km (0.092 R)
• M8: 4,015,057 km (0.099 R)
• M9: 4,379,328 km (0.046 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 227.6

Radius: 13.1

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.66 AU - 1.02 AU

Year: 513 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,471,031 km

• M1: 164,408 km (0.111 R)
• M2: 601,982 km (0.069 R)
• M3: 1,216,979 km (0.115 R)
• M4: 1,634,955 km (0.095 R)
• M5: 2,351,978 km (0.117 R)
• M6: 2,775,041 km (0.073 R)
• M7: 4,137,578 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.3

Radius: 8

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.97 AU - 1.17 AU

Year: 738 Days

Day: 5.6 Hours

Environment

Temp: -175 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,471,031 km

• M1: 99,483 km (0.115 R)
• M2: 370,704 km (0.057 R)
• M3: 664,963 km (0.111 R)
• M4: 972,087 km (0.071 R)
• M5: 1,359,695 km (0.099 R)
• M6: 1,618,649 km (0.074 R)
• M7: 1,919,939 km (0.096 R)
• M8: 2,320,562 km (0.109 R)
• M9: 2,694,258 km (0.107 R)
• M10: 3,303,420 km (0.084 R)
• M11: 3,705,090 km (0.118 R)
• M12: 4,046,622 km (0.114 R)
• M13: 4,360,628 km (0.076 R)
• M14: 4,707,695 km (0.075 R)
• M15: 5,476,329 km (0.074 R)
• M16: 5,900,589 km (0.102 R)
• M17: 6,880,604 km (0.108 R)
• M18: 7,421,102 km (0.112 R)
• M19: 8,485,042 km (0.078 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.5

Radius: 13.7

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.89 AU - 1.47 AU

Year: 855 Days

Day: 12.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,471,031 km

• M1: 170,392 km (0.063 R)
• M2: 715,975 km (0.058 R)
• M3: 1,262,905 km (0.088 R)
• M4: 2,064,899 km (0.12 R)
• M5: 2,567,847 km (0.051 R)
• M6: 3,599,325 km (0.044 R)
• M7: 4,048,268 km (0.081 R)
• M8: 4,636,786 km (0.088 R)
• M9: 5,314,165 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 342.6

Radius: 8.2

Gravity: 5.1 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.79 AU - 2.11 AU

Year: 1816 Days

Day: 11.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,471,031 km

• M1: 104,120 km (0.025 R)
• M2: 409,449 km (0.097 R)
• M3: 771,177 km (0.103 R)
• M4: 1,037,312 km (0.086 R)
• M5: 1,614,311 km (0.077 R)
• M6: 1,913,357 km (0.051 R)
• M7: 2,192,806 km (0.112 R)
• M8: 2,524,165 km (0.09 R)
• M9: 2,916,261 km (0.085 R)
• M10: 3,564,468 km (0.118 R)
• M11: 4,287,475 km (0.093 R)
• M12: 4,617,787 km (0.113 R)
• M13: 4,965,004 km (0.101 R)
• M14: 6,603,400 km (0.092 R)
• M15: 7,019,880 km (0.095 R)
• M16: 8,346,963 km (0.109 R)
• M17: 9,991,492 km (0.114 R)
• M18: 10,507,904 km (0.088 R)
• M19: 11,042,118 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 585.4

Radius: 6.3

Gravity: 14.75 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 5.67 AU - 7.29 AU

Year: 11000 Days

Day: 15.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,471,031 km

• M1: 78,838 km (0.113 R)
• M2: 320,289 km (0.04 R)
• M3: 539,450 km (0.045 R)
• M4: 825,481 km (0.056 R)
• M5: 1,030,879 km (0.117 R)
• M6: 1,605,335 km (0.095 R)
• M7: 2,754,845 km (0.089 R)
• M8: 4,850,412 km (0.067 R)
• M9: 5,806,641 km (0.101 R)
• M10: 6,385,136 km (0.052 R)
• M11: 7,282,873 km (0.056 R)
• M12: 9,374,551 km (0.064 R)
• M13: 9,816,463 km (0.113 R)
• M14: 10,531,241 km (0.111 R)
• M15: 14,633,065 km (0.118 R)
• M16: 15,027,555 km (0.092 R)
• M17: 16,394,131 km (0.082 R)
• M18: 17,252,674 km (0.101 R)
• M19: 17,471,835 km (0.11 R)
• M20: 24,762,636 km (0.05 R)
• M21: 25,041,636 km (0.079 R)
• M22: 25,796,208 km (0.088 R)
• M23: 33,849,809 km (0.052 R)
• M24: 34,424,265 km (0.113 R)
• M25: 35,829,139 km (0.07 R)
• M26: 39,255,080 km (0.047 R)
• M27: 46,044,729 km (0.077 R)
• M28: 48,471,056 km (0.078 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 483 - 12,797 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit