🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.65 AU - 1.01 AU

Year: 278 Days

Day: 12.5 Hours

Environment

Temp: 88 °C

Axial Tilt: 6.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.74

Radius: 1.25

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.96 AU - 1.04 AU

Year: 367 Days

Day: 25.9 Hours

Environment

Temp: 41 °C

Axial Tilt: 13.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.13 AU - 3.47 AU

Year: 1720 Days

Day: 17.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 47 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 42,467,807 km

• M1: 48,919 km (0.119 R)

Asteroid Belt

Center: 3.83 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 707

Radius: 14

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 3.81 AU - 5.89 AU

Year: 3921 Days

Day: 7.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 42,467,807 km

• M1: 176,825 km (0.068 R)
• M2: 648,357 km (0.06 R)
• M3: 1,143,077 km (0.069 R)
• M4: 1,937,592 km (0.082 R)
• M5: 2,522,968 km (0.054 R)
• M6: 3,376,723 km (0.101 R)
• M7: 4,509,478 km (0.114 R)
• M8: 4,947,650 km (0.104 R)
• M9: 5,713,891 km (0.094 R)
• M10: 6,899,454 km (0.116 R)
• M11: 7,550,803 km (0.119 R)
• M12: 8,171,933 km (0.09 R)
• M13: 8,641,671 km (0.101 R)
• M14: 10,703,877 km (0.091 R)
• M15: 11,311,245 km (0.099 R)
• M16: 12,312,204 km (0.065 R)
• M17: 13,620,288 km (0.113 R)
• M18: 15,288,304 km (0.111 R)
• M19: 16,284,626 km (0.095 R)
• M20: 17,264,791 km (0.088 R)
• M21: 18,653,059 km (0.082 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741

Radius: 10.1

Gravity: 7.26 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 4.37 AU - 5.89 AU

Year: 4265 Days

Day: 5.4 Hours

Environment

Temp: -133 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 42,467,807 km

• M1: 125,812 km (0.052 R)
• M2: 514,168 km (0.094 R)
• M3: 968,646 km (0.092 R)
• M4: 1,915,302 km (0.084 R)
• M5: 2,332,380 km (0.08 R)
• M6: 3,062,717 km (0.049 R)
• M7: 3,657,818 km (0.041 R)
• M8: 5,158,284 km (0.096 R)
• M9: 5,540,956 km (0.115 R)
• M10: 5,972,097 km (0.07 R)
• M11: 6,456,644 km (0.068 R)
• M12: 7,032,745 km (0.105 R)
• M13: 7,747,973 km (0.093 R)
• M14: 8,069,010 km (0.088 R)
• M15: 9,768,591 km (0.105 R)
• M16: 13,195,879 km (0.055 R)
• M17: 13,862,187 km (0.106 R)
• M18: 15,485,175 km (0.119 R)
• M19: 16,400,714 km (0.053 R)
• M20: 18,214,139 km (0.103 R)
• M21: 18,847,387 km (0.085 R)
• M22: 20,835,094 km (0.095 R)
• M23: 21,179,468 km (0.069 R)
• M24: 24,300,080 km (0.041 R)
• M25: 24,681,853 km (0.093 R)
• M26: 25,145,158 km (0.06 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 450.9

Radius: 14.9

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 5.52 AU - 6.36 AU

Year: 5314 Days

Day: 12.5 Hours

Environment

Temp: -158 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 42,467,807 km

• M1: 189,541 km (0.057 R)
• M2: 738,116 km (0.117 R)
• M3: 1,262,756 km (0.094 R)
• M4: 2,241,874 km (0.045 R)
• M5: 2,727,917 km (0.111 R)
• M6: 4,072,353 km (0.101 R)
• M7: 5,164,418 km (0.093 R)
• M8: 7,785,821 km (0.057 R)
• M9: 8,357,435 km (0.119 R)
• M10: 10,034,128 km (0.11 R)
• M11: 11,240,485 km (0.045 R)
• M12: 14,625,286 km (0.097 R)
• M13: 15,276,635 km (0.113 R)
• M14: 17,954,736 km (0.111 R)
• M15: 18,575,867 km (0.036 R)
• M16: 20,459,154 km (0.085 R)
• M17: 21,620,632 km (0.103 R)
• M18: 22,395,250 km (0.107 R)
• M19: 25,060,785 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.3

Radius: 11.2

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.4 AU - 7.88 AU

Year: 6281 Days

Day: 9.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 42,467,807 km

• M1: 139,425 km (0.057 R)
• M2: 563,685 km (0.109 R)
• M3: 925,861 km (0.068 R)
• M4: 1,398,590 km (0.07 R)
• M5: 1,747,453 km (0.11 R)
• M6: 2,300,516 km (0.086 R)
• M7: 3,021,279 km (0.114 R)
• M8: 3,554,445 km (0.056 R)
• M9: 3,908,244 km (0.09 R)
• M10: 4,308,568 km (0.116 R)
• M11: 6,075,618 km (0.085 R)
• M12: 7,416,763 km (0.077 R)
• M13: 8,104,016 km (0.103 R)
• M14: 8,499,852 km (0.12 R)
• M15: 8,908,553 km (0.028 R)
• M16: 10,633,716 km (0.088 R)
• M17: 11,284,915 km (0.053 R)
• M18: 12,811,113 km (0.071 R)
• M19: 13,548,630 km (0.069 R)
• M20: 14,158,840 km (0.085 R)
• M21: 14,523,260 km (0.102 R)
• M22: 15,108,338 km (0.119 R)
• M23: 15,709,272 km (0.117 R)
• M24: 16,497,055 km (0.115 R)
• M25: 17,192,984 km (0.111 R)
• M26: 18,212,344 km (0.113 R)
• M27: 21,649,505 km (0.114 R)
• M28: 23,629,582 km (0.032 R)
• M29: 25,115,837 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 868.9

Radius: 13.5

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 5.56 AU - 9.26 AU

Year: 7405 Days

Day: 12.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,467,807 km

• M1: 167,849 km (0.109 R)
• M2: 606,171 km (0.066 R)
• M3: 1,554,023 km (0.094 R)
• M4: 2,224,820 km (0.05 R)
• M5: 2,755,144 km (0.107 R)
• M6: 3,697,910 km (0.116 R)
• M7: 4,904,566 km (0.051 R)
• M8: 6,253,939 km (0.118 R)
• M9: 12,000,292 km (0.05 R)
• M10: 12,776,556 km (0.093 R)
• M11: 13,409,804 km (0.106 R)
• M12: 14,185,020 km (0.117 R)
• M13: 15,116,416 km (0.078 R)
• M14: 17,870,812 km (0.051 R)
• M15: 18,809,987 km (0.118 R)
• M16: 20,865,462 km (0.102 R)
• M17: 22,234,133 km (0.072 R)
• M18: 25,508,831 km (0.109 R)
• M19: 26,421,378 km (0.117 R)
• M20: 27,450,162 km (0.06 R)
• M21: 30,391,855 km (0.108 R)
• M22: 32,891,934 km (0.065 R)
• M23: 39,013,180 km (0.096 R)
• M24: 41,836,541 km (0.107 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 397 - 10,983 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit