🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.5

Radius: 12.4

Gravity: 6.42 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.94 AU - 1.38 AU

Year: 878 Days

Day: 5.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,440,471 km

• M1: 154,235 km (0.066 R)
• M2: 579,692 km (0.094 R)
• M3: 1,004,251 km (0.102 R)
• M4: 1,594,414 km (0.117 R)
• M5: 2,200,884 km (0.083 R)
• M6: 2,691,565 km (0.074 R)
• M7: 3,397,068 km (0.115 R)
• M8: 3,880,419 km (0.07 R)
• M9: 4,620,330 km (0.086 R)
• M10: 5,177,134 km (0.068 R)
• M11: 5,613,660 km (0.103 R)
• M12: 7,121,457 km (0.117 R)
• M13: 8,231,623 km (0.094 R)
• M14: 8,967,944 km (0.11 R)
• M15: 9,867,027 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 149.4

Radius: 14

Gravity: 0.76 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.48 AU - 2 AU

Year: 1613 Days

Day: 9.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 56,440,471 km

• M1: 175,927 km (0.1 R)
• M2: 637,437 km (0.064 R)
• M3: 1,278,763 km (0.032 R)
• M4: 1,912,010 km (0.118 R)
• M5: 2,517,283 km (0.064 R)
• M6: 3,059,725 km (0.09 R)
• M7: 3,708,082 km (0.111 R)
• M8: 4,272,814 km (0.101 R)
• M9: 5,156,788 km (0.094 R)
• M10: 5,747,401 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 357.8

Radius: 13.6

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 1.76 AU - 2.58 AU

Year: 2247 Days

Day: 12.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 56,440,471 km

• M1: 169,195 km (0.098 R)
• M2: 635,492 km (0.103 R)
• M3: 1,126,622 km (0.108 R)
• M4: 1,797,568 km (0.061 R)
• M5: 2,220,930 km (0.108 R)
• M6: 2,780,127 km (0.119 R)
• M7: 3,275,745 km (0.043 R)
• M8: 3,987,531 km (0.109 R)
• M9: 4,740,457 km (0.112 R)
• M10: 6,140,693 km (0.057 R)
• M11: 6,757,186 km (0.095 R)
• M12: 7,226,325 km (0.064 R)
• M13: 7,661,655 km (0.117 R)
• M14: 9,452,940 km (0.118 R)
• M15: 10,242,667 km (0.09 R)
• M16: 11,436,308 km (0.081 R)
• M17: 11,878,969 km (0.111 R)
• M18: 12,371,594 km (0.029 R)
• M19: 12,838,340 km (0.105 R)
• M20: 13,316,903 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.9

Radius: 10.3

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.65 AU - 2.85 AU

Year: 3206 Days

Day: 12.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 56,440,471 km

• M1: 128,654 km (0.048 R)
• M2: 503,247 km (0.05 R)
• M3: 913,445 km (0.05 R)
• M4: 1,598,154 km (0.103 R)
• M5: 2,100,055 km (0.092 R)
• M6: 2,704,879 km (0.113 R)
• M7: 3,252,557 km (0.09 R)
• M8: 4,211,629 km (0.068 R)
• M9: 5,527,193 km (0.12 R)
• M10: 6,042,707 km (0.112 R)
• M11: 7,098,718 km (0.053 R)
• M12: 8,090,702 km (0.084 R)
• M13: 8,838,392 km (0.074 R)
• M14: 9,748,545 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 961

Radius: 11.2

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 3.28 AU - 3.62 AU

Year: 4504 Days

Day: 14.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 56,440,471 km

• M1: 139,276 km (0.08 R)
• M2: 1,003,951 km (0.109 R)
• M3: 1,591,721 km (0.07 R)
• M4: 2,382,944 km (0.119 R)
• M5: 3,254,950 km (0.114 R)
• M6: 4,707,695 km (0.112 R)
• M7: 5,711,497 km (0.086 R)
• M8: 7,125,347 km (0.045 R)
• M9: 8,407,101 km (0.055 R)
• M10: 9,287,933 km (0.032 R)
• M11: 10,406,925 km (0.09 R)
• M12: 11,613,731 km (0.072 R)
• M13: 12,401,364 km (0.053 R)
• M14: 13,171,793 km (0.089 R)
• M15: 16,515,007 km (0.111 R)
• M16: 17,384,320 km (0.045 R)
• M17: 19,554,087 km (0.101 R)
• M18: 20,245,678 km (0.119 R)
• M19: 20,597,682 km (0.046 R)
• M20: 22,046,388 km (0.078 R)
• M21: 24,663,303 km (0.079 R)
• M22: 25,470,833 km (0.108 R)
• M23: 26,212,689 km (0.091 R)
• M24: 26,715,038 km (0.097 R)
• M25: 27,912,569 km (0.06 R)
• M26: 30,783,502 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 237.7

Radius: 12.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 4.24 AU - 4.26 AU

Year: 6159 Days

Day: 14.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,440,471 km

• M1: 154,235 km (0.066 R)
• M2: 584,928 km (0.072 R)
• M3: 1,056,909 km (0.113 R)
• M4: 1,636,002 km (0.087 R)
• M5: 2,391,621 km (0.12 R)
• M6: 2,884,247 km (0.098 R)
• M7: 3,368,046 km (0.093 R)
• M8: 4,808,375 km (0.119 R)
• M9: 6,299,267 km (0.027 R)
• M10: 7,215,105 km (0.062 R)
• M11: 8,044,326 km (0.09 R)
• M12: 10,789,746 km (0.056 R)
• M13: 13,077,696 km (0.069 R)
• M14: 13,512,727 km (0.077 R)
• M15: 14,668,670 km (0.087 R)
• M16: 15,726,476 km (0.111 R)
• M17: 17,349,613 km (0.087 R)
• M18: 20,277,692 km (0.07 R)
• M19: 21,124,117 km (0.075 R)
• M20: 22,266,446 km (0.09 R)
• M21: 24,237,249 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 621.8

Radius: 3.1

Gravity: 64.7 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 6.86 AU - 7.42 AU

Year: 13411 Days

Day: 20.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,440,471 km

• M1: 41,139 km (0.116 R)
• M2: 165,306 km (0.101 R)
• M3: 305,928 km (0.067 R)
• M4: 560,842 km (0.108 R)
• M5: 698,323 km (0.055 R)
• M6: 828,024 km (0.078 R)
• M7: 1,076,357 km (0.113 R)
• M8: 1,428,360 km (0.112 R)
• M9: 2,158,996 km (0.038 R)
• M10: 2,395,062 km (0.057 R)
• M11: 3,541,131 km (0.102 R)
• M12: 3,897,473 km (0.088 R)
• M13: 12,903,714 km (0.1 R)
• M14: 13,351,012 km (0.097 R)
• M15: 13,611,162 km (0.059 R)
• M16: 15,314,484 km (0.106 R)
• M17: 16,775,307 km (0.093 R)
• M18: 21,090,457 km (0.085 R)
• M19: 23,360,455 km (0.071 R)
• M20: 26,598,801 km (0.092 R)
• M21: 28,592,641 km (0.059 R)
• M22: 29,791,369 km (0.102 R)
• M23: 32,288,456 km (0.1 R)
• M24: 34,432,493 km (0.07 R)
• M25: 35,663,684 km (0.111 R)
• M26: 36,038,576 km (0.114 R)
• M27: 39,800,214 km (0.076 R)
• M28: 43,529,839 km (0.103 R)
• M29: 47,034,767 km (0.108 R)
• M30: 49,473,063 km (0.115 R)
• M31: 50,880,929 km (0.061 R)
• M32: 51,197,328 km (0.054 R)
• M33: 54,599,632 km (0.03 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 17,358 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit