🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305

Radius: 9.3

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.52 AU - 0.62 AU

Year: 287 Days

Day: 8.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 50,260,769 km

• M1: 115,639 km (0.068 R)
• M2: 451,187 km (0.081 R)
• M3: 796,459 km (0.069 R)
• M4: 1,112,709 km (0.107 R)
• M5: 1,469,949 km (0.087 R)
• M6: 2,166,028 km (0.039 R)
• M7: 2,524,314 km (0.08 R)
• M8: 3,057,930 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 290.3

Radius: 9

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 1.84 AU - 2.06 AU

Year: 1816 Days

Day: 5.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 50,260,769 km

• M1: 112,049 km (0.095 R)
• M2: 483,052 km (0.026 R)
• M3: 832,811 km (0.099 R)
• M4: 1,254,079 km (0.101 R)
• M5: 2,077,166 km (0.105 R)
• M6: 2,400,896 km (0.102 R)
• M7: 3,597,081 km (0.089 R)
• M8: 6,233,294 km (0.11 R)
• M9: 8,117,928 km (0.076 R)
• M10: 8,699,415 km (0.107 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.1

Radius: 11.2

Gravity: 7.64 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.97 AU - 3.25 AU

Year: 2812 Days

Day: 13.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 50,260,769 km

• M1: 139,276 km (0.107 R)
• M2: 541,245 km (0.091 R)
• M3: 3,014,995 km (0.096 R)
• M4: 4,486,739 km (0.103 R)
• M5: 4,956,327 km (0.115 R)
• M6: 5,695,490 km (0.109 R)
• M7: 6,133,961 km (0.073 R)
• M8: 6,955,703 km (0.118 R)
• M9: 7,783,128 km (0.035 R)
• M10: 8,324,074 km (0.106 R)
• M11: 9,825,439 km (0.101 R)
• M12: 11,847,703 km (0.111 R)
• M13: 13,548,630 km (0.041 R)
• M14: 14,786,403 km (0.119 R)
• M15: 15,302,067 km (0.072 R)
• M16: 15,776,442 km (0.026 R)
• M17: 17,258,658 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 837.4

Radius: 10.8

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.66 AU - 5.18 AU

Year: 7277 Days

Day: 10.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 50,260,769 km

• M1: 134,339 km (0.092 R)
• M2: 598,840 km (0.114 R)
• M3: 2,262,069 km (0.093 R)
• M4: 2,880,058 km (0.042 R)
• M5: 3,284,870 km (0.075 R)
• M6: 4,002,042 km (0.098 R)
• M7: 5,649,414 km (0.093 R)
• M8: 6,357,610 km (0.086 R)
• M9: 7,470,918 km (0.07 R)
• M10: 8,451,681 km (0.039 R)
• M11: 11,122,452 km (0.07 R)
• M12: 13,245,545 km (0.101 R)
• M13: 19,373,822 km (0.101 R)
• M14: 20,358,325 km (0.11 R)
• M15: 20,980,653 km (0.112 R)
• M16: 23,343,102 km (0.11 R)
• M17: 27,164,580 km (0.113 R)
• M18: 29,568,019 km (0.076 R)
• M19: 32,214,555 km (0.109 R)
• M20: 34,794,071 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 391

Radius: 6.9

Gravity: 8.21 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 4.93 AU - 6.99 AU

Year: 9703 Days

Day: 19.8 Hours

Environment

Temp: -237 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,260,769 km

• M1: 85,869 km (0.086 R)
• M2: 392,246 km (0.04 R)
• M3: 801,246 km (0.097 R)
• M4: 2,339,561 km (0.11 R)
• M5: 3,028,758 km (0.102 R)
• M6: 3,629,095 km (0.09 R)
• M7: 4,888,260 km (0.112 R)
• M8: 6,449,912 km (0.087 R)
• M9: 7,099,017 km (0.049 R)
• M10: 7,672,576 km (0.115 R)
• M11: 9,670,455 km (0.114 R)
• M12: 10,041,907 km (0.051 R)
• M13: 11,366,745 km (0.117 R)
• M14: 12,366,209 km (0.093 R)
• M15: 13,422,968 km (0.094 R)
• M16: 14,179,933 km (0.111 R)
• M17: 14,965,023 km (0.114 R)
• M18: 15,651,677 km (0.082 R)
• M19: 15,906,442 km (0.119 R)
• M20: 21,840,541 km (0.046 R)
• M21: 22,561,154 km (0.063 R)
• M22: 23,629,881 km (0.102 R)
• M23: 25,339,486 km (0.059 R)
• M24: 26,314,116 km (0.052 R)
• M25: 32,588,849 km (0.12 R)
• M26: 34,059,695 km (0.108 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 29.5

Radius: 3.1

Gravity: 3.07 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 7.15 AU - 9.41 AU

Year: 15888 Days

Day: 24.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 71.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 50,260,769 km

• M1: 40,242 km (0.102 R)
• M2: 412,741 km (0.091 R)
• M3: 992,731 km (0.068 R)
• M4: 2,276,132 km (0.086 R)
• M5: 3,921,708 km (0.111 R)
• M6: 5,196,880 km (0.051 R)
• M7: 7,315,037 km (0.063 R)
• M8: 8,007,076 km (0.06 R)
• M9: 9,443,964 km (0.048 R)
• M10: 10,669,320 km (0.091 R)
• M11: 12,723,149 km (0.085 R)
• M12: 15,181,491 km (0.108 R)
• M13: 15,655,268 km (0.1 R)
• M14: 16,138,768 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 184.7

Radius: 3.5

Gravity: 15.08 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 8.09 AU - 11.65 AU

Year: 20678 Days

Day: 20 Hours

Environment

Temp: -227 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,260,769 km

• M1: 43,832 km (0.081 R)
• M2: 203,004 km (0.076 R)
• M3: 326,722 km (0.104 R)
• M4: 495,468 km (0.109 R)
• M5: 1,122,433 km (0.088 R)
• M6: 1,931,458 km (0.102 R)
• M7: 2,425,729 km (0.097 R)
• M8: 2,691,714 km (0.066 R)
• M9: 3,354,882 km (0.099 R)
• M10: 3,711,074 km (0.119 R)
• M11: 6,024,157 km (0.106 R)
• M12: 6,134,261 km (0.067 R)
• M13: 6,587,991 km (0.108 R)
• M14: 8,307,619 km (0.069 R)
• M15: 9,540,604 km (0.111 R)
• M16: 14,155,100 km (0.083 R)
• M17: 19,101,105 km (0.106 R)
• M18: 24,058,030 km (0.036 R)
• M19: 27,428,919 km (0.092 R)
• M20: 32,432,220 km (0.095 R)
• M21: 32,770,760 km (0.104 R)
• M22: 39,019,762 km (0.118 R)
• M23: 39,402,733 km (0.078 R)
• M24: 42,019,948 km (0.097 R)
• M25: 43,644,730 km (0.09 R)
• M26: 45,451,573 km (0.092 R)
• M27: 48,034,679 km (0.118 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 16,942 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit