🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 561.3

Radius: 10.5

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.6 AU - 0.88 AU

Year: 405 Days

Day: 7.2 Hours

Environment

Temp: -136 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,841,130 km

• M1: 130,599 km (0.095 R)
• M2: 504,594 km (0.074 R)
• M3: 859,889 km (0.118 R)
• M4: 1,301,053 km (0.117 R)
• M5: 1,640,341 km (0.087 R)
• M6: 2,153,312 km (0.118 R)
• M7: 2,568,446 km (0.068 R)
• M8: 2,942,889 km (0.092 R)
• M9: 3,320,026 km (0.108 R)
• M10: 3,915,126 km (0.116 R)
• M11: 4,359,432 km (0.079 R)
• M12: 4,721,758 km (0.115 R)
• M13: 5,179,976 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 476.1

Radius: 14.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.68 AU - 0.98 AU

Year: 481 Days

Day: 14.5 Hours

Environment

Temp: -144 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 37,841,130 km

• M1: 181,462 km (0.089 R)
• M2: 784,940 km (0.115 R)
• M3: 1,500,467 km (0.075 R)
• M4: 2,060,112 km (0.096 R)
• M5: 3,121,808 km (0.1 R)
• M6: 3,660,660 km (0.106 R)
• M7: 4,425,255 km (0.076 R)
• M8: 4,898,133 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.8

Radius: 11.9

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.15 AU - 1.73 AU

Year: 1099 Days

Day: 11.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 37,841,130 km

• M1: 147,952 km (0.07 R)
• M2: 581,637 km (0.12 R)
• M3: 1,031,627 km (0.109 R)
• M4: 1,798,166 km (0.116 R)
• M5: 2,228,410 km (0.115 R)
• M6: 2,776,536 km (0.117 R)
• M7: 3,499,543 km (0.06 R)
• M8: 4,294,057 km (0.093 R)
• M9: 4,707,845 km (0.09 R)
• M10: 5,556,065 km (0.111 R)
• M11: 5,985,560 km (0.116 R)
• M12: 7,654,325 km (0.085 R)
• M13: 10,084,991 km (0.118 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 224.3

Radius: 4.6

Gravity: 10.6 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 6.43 AU - 7.95 AU

Year: 12258 Days

Day: 21 Hours

Environment

Temp: -219 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 37,841,130 km

• M1: 57,146 km (0.095 R)
• M2: 230,082 km (0.112 R)
• M3: 698,622 km (0.086 R)
• M4: 959,820 km (0.118 R)
• M5: 1,555,369 km (0.03 R)
• M6: 1,747,602 km (0.03 R)
• M7: 1,955,543 km (0.106 R)
• M8: 2,163,335 km (0.074 R)
• M9: 2,403,589 km (0.119 R)
• M10: 2,604,499 km (0.052 R)
• M11: 3,297,735 km (0.072 R)
• M12: 3,807,415 km (0.071 R)
• M13: 4,235,864 km (0.108 R)
• M14: 4,751,976 km (0.097 R)
• M15: 5,069,273 km (0.069 R)
• M16: 5,493,533 km (0.107 R)
• M17: 5,940,980 km (0.06 R)
• M18: 7,660,458 km (0.065 R)
• M19: 8,341,577 km (0.091 R)
• M20: 9,062,190 km (0.111 R)
• M21: 10,529,745 km (0.106 R)
• M22: 10,723,624 km (0.032 R)
• M23: 11,370,336 km (0.052 R)
• M24: 13,017,109 km (0.064 R)
• M25: 13,523,498 km (0.095 R)
• M26: 15,121,203 km (0.067 R)
• M27: 15,306,106 km (0.089 R)
• M28: 17,172,788 km (0.099 R)
• M29: 17,781,502 km (0.11 R)
• M30: 18,264,853 km (0.1 R)
• M31: 20,286,219 km (0.068 R)
• M32: 21,739,712 km (0.025 R)
• M33: 22,292,327 km (0.111 R)
• M34: 22,692,651 km (0.114 R)
• M35: 37,165,048 km (0.032 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 241 - 18,920 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit