🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.7

Radius: 14.3

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.87 AU - 0.99 AU

Year: 619 Days

Day: 7.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 38,285,153 km

• M1: 178,620 km (0.099 R)
• M2: 803,640 km (0.075 R)
• M3: 1,325,886 km (0.102 R)
• M4: 2,525,362 km (0.118 R)
• M5: 3,435,665 km (0.103 R)
• M6: 4,024,332 km (0.059 R)
• M7: 4,524,737 km (0.052 R)
• M8: 5,116,846 km (0.108 R)
• M9: 5,652,406 km (0.12 R)
• M10: 6,418,197 km (0.112 R)
• M11: 7,042,469 km (0.091 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.8

Radius: 14.6

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.02 AU - 1.28 AU

Year: 851 Days

Day: 5.8 Hours

Environment

Temp: -176 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 38,285,153 km

• M1: 182,061 km (0.085 R)
• M2: 662,569 km (0.091 R)
• M3: 1,387,819 km (0.03 R)
• M4: 1,902,287 km (0.075 R)
• M5: 2,757,388 km (0.057 R)
• M6: 3,312,695 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390.6

Radius: 12.8

Gravity: 2.38 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.75 AU - 2.73 AU

Year: 2314 Days

Day: 14.7 Hours

Environment

Temp: -195 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 38,285,153 km

• M1: 159,471 km (0.114 R)
• M2: 579,692 km (0.113 R)
• M3: 991,983 km (0.059 R)
• M4: 1,850,226 km (0.09 R)
• M5: 2,585,201 km (0.111 R)
• M6: 4,305,576 km (0.097 R)
• M7: 5,113,854 km (0.074 R)
• M8: 5,737,976 km (0.039 R)
• M9: 10,965,075 km (0.04 R)
• M10: 14,541,811 km (0.072 R)

Asteroid Belt

Center: 2.69 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.8

Radius: 10.6

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 2.53 AU - 3.73 AU

Year: 3822 Days

Day: 14.7 Hours

Environment

Temp: -209 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,285,153 km

• M1: 131,796 km (0.078 R)
• M2: 817,104 km (0.1 R)
• M3: 1,212,491 km (0.038 R)
• M4: 1,796,521 km (0.06 R)
• M5: 2,836,525 km (0.09 R)
• M6: 3,335,883 km (0.072 R)
• M7: 3,872,191 km (0.087 R)
• M8: 5,194,038 km (0.095 R)
• M9: 5,972,396 km (0.12 R)
• M10: 6,374,964 km (0.093 R)
• M11: 7,396,418 km (0.116 R)
• M12: 8,101,173 km (0.11 R)
• M13: 8,703,903 km (0.087 R)
• M14: 9,147,162 km (0.093 R)
• M15: 10,362,495 km (0.117 R)
• M16: 11,244,973 km (0.102 R)
• M17: 12,778,949 km (0.063 R)
• M18: 14,396,850 km (0.101 R)
• M19: 16,760,945 km (0.085 R)
• M20: 17,217,069 km (0.109 R)
• M21: 18,273,530 km (0.074 R)
• M22: 19,560,221 km (0.059 R)
• M23: 22,588,082 km (0.052 R)
• M24: 23,853,530 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.1

Radius: 13.3

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.03 AU - 5.77 AU

Year: 8662 Days

Day: 13.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 38,285,153 km

• M1: 165,455 km (0.07 R)
• M2: 593,455 km (0.036 R)
• M3: 1,068,278 km (0.088 R)
• M4: 1,518,718 km (0.083 R)
• M5: 1,940,434 km (0.115 R)
• M6: 2,925,237 km (0.056 R)
• M7: 3,426,539 km (0.12 R)
• M8: 3,934,274 km (0.092 R)
• M9: 4,604,323 km (0.119 R)
• M10: 5,072,116 km (0.112 R)
• M11: 6,347,886 km (0.115 R)
• M12: 6,854,874 km (0.114 R)
• M13: 8,890,452 km (0.045 R)
• M14: 9,341,639 km (0.083 R)
• M15: 11,354,179 km (0.103 R)
• M16: 14,674,504 km (0.105 R)
• M17: 15,306,256 km (0.027 R)
• M18: 16,354,488 km (0.04 R)
• M19: 18,159,536 km (0.062 R)
• M20: 23,417,901 km (0.115 R)
• M21: 24,456,260 km (0.115 R)
• M22: 26,163,022 km (0.052 R)
• M23: 27,375,662 km (0.071 R)
• M24: 28,043,916 km (0.04 R)
• M25: 29,413,185 km (0.116 R)
• M26: 32,178,951 km (0.105 R)
• M27: 35,789,645 km (0.063 R)
• M28: 41,511,165 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 23.6

Radius: 4.7

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.06 AU - 6.96 AU

Year: 10170 Days

Day: 21.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 38,285,153 km

• M1: 58,493 km (0.088 R)
• M2: 300,991 km (0.066 R)
• M3: 478,564 km (0.071 R)
• M4: 4,912,944 km (0.061 R)
• M5: 6,452,306 km (0.12 R)
• M6: 9,607,474 km (0.093 R)
• M7: 10,229,353 km (0.111 R)
• M8: 14,758,728 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 145.8

Radius: 6.1

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.99 AU - 9.91 AU

Year: 15473 Days

Day: 15.1 Hours

Environment

Temp: -240 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,285,153 km

• M1: 78,539 km (0.032 R)
• M2: 571,763 km (0.11 R)
• M3: 1,203,216 km (0.102 R)
• M4: 1,538,165 km (0.081 R)
• M5: 1,756,578 km (0.11 R)
• M6: 2,359,906 km (0.095 R)
• M7: 2,595,373 km (0.096 R)
• M8: 3,534,549 km (0.062 R)
• M9: 8,003,336 km (0.094 R)
• M10: 10,520,769 km (0.097 R)
• M11: 12,090,051 km (0.098 R)
• M12: 17,861,687 km (0.105 R)
• M13: 18,348,029 km (0.098 R)
• M14: 19,347,044 km (0.102 R)
• M15: 26,830,977 km (0.096 R)
• M16: 30,513,328 km (0.094 R)
• M17: 32,014,842 km (0.117 R)
• M18: 33,146,849 km (0.025 R)
• M19: 34,625,923 km (0.104 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: 392 - 10,506 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit