🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264

Radius: 9.2

Gravity: 3.12 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1 AU - 1.28 AU

Year: 840 Days

Day: 14.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 72,844,640 km

• M1: 117,285 km (0.051 R)
• M2: 561,142 km (0.081 R)
• M3: 921,822 km (0.098 R)
• M4: 1,220,569 km (0.114 R)
• M5: 1,871,021 km (0.063 R)
• M6: 2,589,838 km (0.096 R)
• M7: 3,259,588 km (0.049 R)
• M8: 6,154,307 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 890.3

Radius: 12.6

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 1 AU - 1.58 AU

Year: 1011 Days

Day: 10.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,844,640 km

• M1: 156,928 km (0.068 R)
• M2: 574,007 km (0.09 R)
• M3: 1,506,600 km (0.096 R)
• M4: 1,919,939 km (0.052 R)
• M5: 2,398,503 km (0.1 R)
• M6: 3,203,638 km (0.088 R)
• M7: 3,964,792 km (0.119 R)
• M8: 5,229,194 km (0.099 R)
• M9: 5,677,838 km (0.118 R)
• M10: 6,467,565 km (0.05 R)
• M11: 7,329,099 km (0.112 R)
• M12: 8,623,120 km (0.086 R)
• M13: 9,163,917 km (0.086 R)
• M14: 10,002,263 km (0.08 R)
• M15: 10,923,786 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 698.1

Radius: 8.5

Gravity: 9.66 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 1.62 AU - 2.44 AU

Year: 1996 Days

Day: 14.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 72,844,640 km

• M1: 107,561 km (0.068 R)
• M2: 505,042 km (0.119 R)
• M3: 795,711 km (0.074 R)
• M4: 1,099,395 km (0.079 R)
• M5: 1,407,417 km (0.113 R)
• M6: 2,407,628 km (0.085 R)
• M7: 2,904,443 km (0.025 R)
• M8: 3,316,435 km (0.114 R)
• M9: 4,812,414 km (0.114 R)
• M10: 5,096,051 km (0.11 R)
• M11: 5,577,906 km (0.073 R)
• M12: 5,842,246 km (0.098 R)
• M13: 6,396,207 km (0.107 R)
• M14: 8,208,136 km (0.089 R)
• M15: 8,935,630 km (0.11 R)
• M16: 11,110,933 km (0.046 R)
• M17: 11,881,960 km (0.106 R)
• M18: 13,790,530 km (0.109 R)
• M19: 14,275,526 km (0.099 R)
• M20: 15,186,428 km (0.118 R)
• M21: 15,561,470 km (0.053 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.7

Radius: 14.7

Gravity: 0.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 3.4 AU - 4.06 AU

Year: 4972 Days

Day: 8.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 72,844,640 km

• M1: 197,020 km (0.098 R)
• M2: 892,950 km (0.104 R)
• M3: 1,365,978 km (0.104 R)
• M4: 2,012,690 km (0.052 R)
• M5: 2,490,505 km (0.092 R)
• M6: 2,958,747 km (0.085 R)
• M7: 4,914,440 km (0.104 R)
• M8: 5,750,243 km (0.082 R)
• M9: 7,541,229 km (0.057 R)
• M10: 9,973,540 km (0.114 R)
• M11: 12,929,445 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.7

Radius: 14.6

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 4.21 AU - 4.35 AU

Year: 6112 Days

Day: 11.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 72,844,640 km

• M1: 181,612 km (0.119 R)
• M2: 687,402 km (0.115 R)
• M3: 1,147,565 km (0.046 R)
• M4: 2,041,861 km (0.078 R)
• M5: 2,878,113 km (0.068 R)
• M6: 3,608,151 km (0.083 R)
• M7: 5,808,885 km (0.102 R)
• M8: 7,948,284 km (0.105 R)
• M9: 10,151,712 km (0.074 R)
• M10: 12,790,468 km (0.1 R)
• M11: 13,952,844 km (0.078 R)
• M12: 16,551,359 km (0.093 R)
• M13: 19,173,959 km (0.09 R)
• M14: 23,896,165 km (0.098 R)
• M15: 27,145,282 km (0.083 R)
• M16: 28,229,717 km (0.098 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 22.3

Radius: 8

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 4.19 AU - 4.55 AU

Year: 6306 Days

Day: 8.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,844,640 km

• M1: 103,372 km (0.047 R)
• M2: 397,631 km (0.071 R)
• M3: 761,154 km (0.066 R)
• M4: 1,082,490 km (0.027 R)
• M5: 1,925,175 km (0.069 R)
• M6: 2,355,718 km (0.093 R)
• M7: 2,822,912 km (0.111 R)
• M8: 4,862,230 km (0.097 R)
• M9: 7,294,243 km (0.057 R)
• M10: 8,505,537 km (0.059 R)
• M11: 9,305,736 km (0.072 R)
• M12: 9,663,574 km (0.066 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.8

Radius: 7.6

Gravity: 9.48 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 9.63 AU - 9.83 AU

Year: 20950 Days

Day: 20.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 72,844,640 km

• M1: 94,546 km (0.119 R)
• M2: 387,010 km (0.112 R)
• M3: 869,164 km (0.105 R)
• M4: 1,151,305 km (0.099 R)
• M5: 1,574,667 km (0.051 R)
• M6: 2,346,742 km (0.095 R)
• M7: 2,732,704 km (0.04 R)
• M8: 3,376,873 km (0.104 R)
• M9: 4,055,000 km (0.074 R)
• M10: 5,878,598 km (0.092 R)
• M11: 8,918,127 km (0.09 R)
• M12: 9,688,257 km (0.032 R)
• M13: 11,172,418 km (0.09 R)
• M14: 12,198,360 km (0.103 R)
• M15: 14,510,395 km (0.034 R)
• M16: 15,651,976 km (0.106 R)
• M17: 16,852,200 km (0.039 R)
• M18: 19,889,635 km (0.111 R)
• M19: 20,914,979 km (0.064 R)
• M20: 21,682,416 km (0.096 R)
• M21: 26,464,013 km (0.087 R)
• M22: 27,703,431 km (0.082 R)
• M23: 31,778,627 km (0.098 R)
• M24: 36,510,707 km (0.104 R)
• M25: 37,203,046 km (0.109 R)
• M26: 42,144,712 km (0.066 R)
• M27: 48,000,721 km (0.048 R)
• M28: 48,998,688 km (0.051 R)
• M29: 49,502,833 km (0.098 R)
• M30: 51,901,485 km (0.077 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 486 - 14,775 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit