🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.81 AU - 1.13 AU

Year: 368 Days

Day: 12.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 18.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 43,493,059 km

• M1: 725,400 km (0.08 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.61 AU - 2.05 AU

Year: 953 Days

Day: 26.3 Hours

Environment

Temp: -69 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.67

Radius: 1.85

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.83 AU - 2.13 AU

Year: 1073 Days

Day: 22 Hours

Environment

Temp: -73 °C

Axial Tilt: 13.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 43,493,059 km

• M1: 114,742 km (0.068 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 2.87 AU - 4.49 AU

Year: 2718 Days

Day: 38.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 9.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 5.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.4

Radius: 8.4

Gravity: 10.63 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.51 AU - 6.27 AU

Year: 5504 Days

Day: 13.9 Hours

Environment

Temp: -153 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 43,493,059 km

• M1: 104,419 km (0.057 R)
• M2: 377,136 km (0.04 R)
• M3: 685,906 km (0.072 R)
• M4: 1,250,489 km (0.11 R)
• M5: 1,686,716 km (0.12 R)
• M6: 2,417,801 km (0.096 R)
• M7: 2,790,000 km (0.088 R)
• M8: 3,139,012 km (0.08 R)
• M9: 4,189,937 km (0.12 R)
• M10: 4,782,644 km (0.05 R)
• M11: 6,262,915 km (0.099 R)
• M12: 6,761,076 km (0.032 R)
• M13: 7,393,576 km (0.115 R)
• M14: 8,375,835 km (0.112 R)
• M15: 10,459,883 km (0.12 R)
• M16: 11,844,262 km (0.108 R)
• M17: 12,400,018 km (0.092 R)
• M18: 13,346,673 km (0.059 R)
• M19: 15,147,532 km (0.093 R)
• M20: 17,104,721 km (0.105 R)
• M21: 18,410,262 km (0.11 R)
• M22: 19,156,007 km (0.114 R)
• M23: 19,710,866 km (0.119 R)
• M24: 20,491,168 km (0.088 R)
• M25: 21,812,417 km (0.102 R)
• M26: 24,299,930 km (0.112 R)
• M27: 24,786,572 km (0.114 R)
• M28: 25,947,152 km (0.091 R)
• M29: 26,285,393 km (0.053 R)
• M30: 29,279,744 km (0.08 R)
• M31: 29,923,314 km (0.089 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 803

Radius: 10.5

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.77 AU - 7.05 AU

Year: 6993 Days

Day: 6.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,493,059 km

• M1: 130,749 km (0.09 R)
• M2: 1,078,601 km (0.052 R)
• M3: 1,676,843 km (0.108 R)
• M4: 2,013,288 km (0.09 R)
• M5: 3,050,151 km (0.11 R)
• M6: 3,604,561 km (0.062 R)
• M7: 4,069,810 km (0.096 R)
• M8: 5,003,002 km (0.102 R)
• M9: 5,647,020 km (0.104 R)
• M10: 6,140,245 km (0.08 R)
• M11: 6,662,042 km (0.079 R)
• M12: 7,636,523 km (0.12 R)
• M13: 8,199,310 km (0.113 R)
• M14: 9,139,233 km (0.101 R)
• M15: 10,197,189 km (0.114 R)
• M16: 16,344,315 km (0.099 R)
• M17: 18,462,621 km (0.118 R)
• M18: 19,476,895 km (0.082 R)
• M19: 20,834,795 km (0.086 R)
• M20: 22,174,444 km (0.12 R)
• M21: 24,504,730 km (0.07 R)
• M22: 28,110,188 km (0.114 R)
• M23: 29,354,393 km (0.119 R)
• M24: 31,440,984 km (0.118 R)
• M25: 33,731,178 km (0.047 R)
• M26: 35,354,914 km (0.081 R)
• M27: 36,916,865 km (0.1 R)
• M28: 38,524,444 km (0.072 R)
• M29: 39,463,619 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 784.4

Radius: 9.9

Gravity: 8 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.6 AU - 9.28 AU

Year: 9440 Days

Day: 12.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 155 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 43,493,059 km

• M1: 132,095 km (0.086 R)
• M2: 448,046 km (0.041 R)
• M3: 763,847 km (0.067 R)
• M4: 1,837,211 km (0.119 R)
• M5: 2,186,971 km (0.097 R)
• M6: 2,661,496 km (0.085 R)
• M7: 4,336,244 km (0.063 R)
• M8: 4,839,042 km (0.11 R)
• M9: 5,314,464 km (0.11 R)
• M10: 5,682,774 km (0.054 R)
• M11: 6,969,615 km (0.094 R)
• M12: 7,872,289 km (0.074 R)
• M13: 9,514,873 km (0.117 R)
• M14: 12,101,869 km (0.075 R)
• M15: 12,506,382 km (0.08 R)
• M16: 13,159,975 km (0.088 R)
• M17: 13,898,989 km (0.079 R)
• M18: 16,212,520 km (0.117 R)
• M19: 18,164,323 km (0.106 R)
• M20: 21,003,990 km (0.083 R)
• M21: 24,036,339 km (0.07 R)
• M22: 25,420,867 km (0.087 R)
• M23: 26,663,277 km (0.098 R)
• M24: 28,754,955 km (0.083 R)
• M25: 29,998,113 km (0.114 R)
• M26: 35,565,697 km (0.093 R)
• M27: 37,973,176 km (0.082 R)
• M28: 39,975,842 km (0.117 R)
• M29: 41,003,131 km (0.115 R)
• M30: 41,523,432 km (0.108 R)
• M31: 43,648,320 km (0.058 R)
• M32: 44,737,542 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 239.9

Radius: 14.4

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 10.29 AU - 12.29 AU

Year: 14605 Days

Day: 8 Hours

Environment

Temp: -190 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,493,059 km

• M1: 205,697 km (0.039 R)
• M2: 808,277 km (0.063 R)
• M3: 1,372,112 km (0.104 R)
• M4: 3,077,827 km (0.051 R)
• M5: 4,021,789 km (0.088 R)
• M6: 5,274,971 km (0.093 R)
• M7: 7,785,672 km (0.113 R)
• M8: 8,895,089 km (0.085 R)
• M9: 12,406,600 km (0.084 R)
• M10: 18,233,736 km (0.067 R)
• M11: 22,858,555 km (0.07 R)
• M12: 27,825,354 km (0.108 R)
• M13: 31,965,923 km (0.031 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 15,333 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit