🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755

Radius: 9

Gravity: 9.32 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.68 AU - 1.76 AU

Year: 1456 Days

Day: 8 Hours

Environment

Temp: -174 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 66,186,983 km

• M1: 112,049 km (0.036 R)
• M2: 486,343 km (0.113 R)
• M3: 828,772 km (0.057 R)
• M4: 1,285,794 km (0.077 R)
• M5: 1,643,781 km (0.05 R)
• M6: 2,423,486 km (0.108 R)
• M7: 2,975,502 km (0.09 R)
• M8: 3,527,368 km (0.1 R)
• M9: 6,079,657 km (0.1 R)
• M10: 6,391,120 km (0.097 R)
• M11: 6,840,063 km (0.047 R)
• M12: 8,314,201 km (0.106 R)
• M13: 9,631,111 km (0.043 R)
• M14: 9,956,337 km (0.079 R)
• M15: 11,224,029 km (0.072 R)
• M16: 11,584,410 km (0.038 R)
• M17: 12,328,361 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.7

Radius: 13

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.52 AU - 3.72 AU

Year: 4447 Days

Day: 6.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,186,983 km

• M1: 167,998 km (0.044 R)
• M2: 722,558 km (0.098 R)
• M3: 1,196,783 km (0.095 R)
• M4: 1,680,134 km (0.117 R)
• M5: 3,794,101 km (0.114 R)
• M6: 4,295,852 km (0.113 R)
• M7: 5,080,942 km (0.106 R)
• M8: 5,648,965 km (0.078 R)
• M9: 6,543,860 km (0.073 R)
• M10: 7,114,725 km (0.083 R)
• M11: 8,557,597 km (0.083 R)
• M12: 9,333,112 km (0.07 R)
• M13: 9,865,082 km (0.096 R)
• M14: 11,655,021 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 578.8

Radius: 10.2

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 3.38 AU - 4.02 AU

Year: 4595 Days

Day: 5.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,186,983 km

• M1: 126,859 km (0.071 R)
• M2: 517,010 km (0.087 R)
• M3: 859,290 km (0.094 R)
• M4: 1,369,569 km (0.117 R)
• M5: 4,595,347 km (0.077 R)
• M6: 7,848,503 km (0.074 R)
• M7: 17,691,444 km (0.061 R)
• M8: 19,837,426 km (0.099 R)
• M9: 21,246,338 km (0.105 R)
• M10: 21,660,874 km (0.059 R)
• M11: 22,649,118 km (0.065 R)
• M12: 24,337,629 km (0.098 R)
• M13: 25,328,415 km (0.118 R)
• M14: 26,504,554 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.3

Radius: 10.5

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.34 AU - 4.98 AU

Year: 6495 Days

Day: 9.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 66,186,983 km

• M1: 1,575,415 km (0.096 R)
• M2: 2,768,608 km (0.073 R)
• M3: 3,880,569 km (0.116 R)
• M4: 4,225,841 km (0.057 R)
• M5: 5,818,011 km (0.098 R)
• M6: 6,238,830 km (0.079 R)
• M7: 7,141,503 km (0.097 R)
• M8: 7,548,709 km (0.033 R)
• M9: 10,562,058 km (0.12 R)
• M10: 11,944,642 km (0.086 R)
• M11: 12,413,631 km (0.103 R)
• M12: 13,951,946 km (0.059 R)
• M13: 15,246,865 km (0.084 R)
• M14: 21,083,127 km (0.032 R)
• M15: 22,785,401 km (0.112 R)
• M16: 23,265,162 km (0.08 R)
• M17: 25,336,943 km (0.034 R)
• M18: 27,528,851 km (0.08 R)
• M19: 30,418,932 km (0.116 R)
• M20: 31,000,718 km (0.108 R)
• M21: 33,505,286 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 325.9

Radius: 5.7

Gravity: 10.03 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 10 AU - 11.98 AU

Year: 23524 Days

Day: 23.3 Hours

Environment

Temp: -230 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 66,186,983 km

• M1: 71,059 km (0.061 R)
• M2: 317,147 km (0.107 R)
• M3: 546,182 km (0.073 R)
• M4: 727,943 km (0.105 R)
• M5: 950,994 km (0.053 R)
• M6: 1,219,522 km (0.048 R)
• M7: 1,401,433 km (0.116 R)
• M8: 2,278,226 km (0.116 R)
• M9: 3,613,537 km (0.087 R)
• M10: 4,053,504 km (0.091 R)
• M11: 4,495,566 km (0.086 R)
• M12: 5,074,958 km (0.12 R)
• M13: 5,254,625 km (0.096 R)
• M14: 5,664,673 km (0.095 R)
• M15: 6,718,440 km (0.072 R)
• M16: 11,070,990 km (0.073 R)
• M17: 11,619,865 km (0.074 R)
• M18: 11,869,544 km (0.111 R)
• M19: 13,239,711 km (0.1 R)
• M20: 13,649,759 km (0.047 R)
• M21: 15,226,071 km (0.064 R)
• M22: 15,525,117 km (0.118 R)
• M23: 16,524,431 km (0.1 R)
• M24: 16,999,704 km (0.088 R)
• M25: 18,060,951 km (0.081 R)
• M26: 20,951,780 km (0.076 R)
• M27: 22,845,988 km (0.074 R)
• M28: 32,421,748 km (0.041 R)
• M29: 33,291,510 km (0.047 R)
• M30: 34,818,755 km (0.075 R)
• M31: 40,103,898 km (0.118 R)
• M32: 42,566,129 km (0.104 R)
• M33: 46,523,741 km (0.108 R)
• M34: 48,753,048 km (0.067 R)
• M35: 49,077,377 km (0.095 R)
• M36: 58,383,561 km (0.054 R)
• M37: 58,566,220 km (0.065 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 10,574 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit