🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.67 AU - 0.91 AU

Year: 251 Days

Day: 16.1 Hours

Environment

Temp: 116 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.87 AU - 1.41 AU

Year: 436 Days

Day: 13.9 Hours

Environment

Temp: 22 °C

Axial Tilt: 2.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.79 AU - 1.91 AU

Year: 901 Days

Day: 34.3 Hours

Environment

Temp: -53 °C

Axial Tilt: 24.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 34,701,013 km

• M1: 981,811 km (0.089 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.37 AU - 2.81 AU

Year: 1493 Days

Day: 27.9 Hours

Environment

Temp: -82 °C

Axial Tilt: 18.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.17 AU - 4.95 AU

Year: 2930 Days

Day: 23.7 Hours

Environment

Temp: -120 °C

Axial Tilt: 41.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.28 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.2

Radius: 10.8

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 6.3 AU - 6.68 AU

Year: 5922 Days

Day: 11.9 Hours

Environment

Temp: -158 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (86)

Outer Limit: 34,701,013 km

• M1: 179,817 km (0.108 R)
• M2: 497,862 km (0.087 R)
• M3: 707,149 km (0.088 R)
• M4: 844,330 km (0.095 R)
• M5: 1,098,946 km (0.088 R)
• M6: 1,276,967 km (0.08 R)
• M7: 1,500,018 km (0.089 R)
• M8: 1,792,033 km (0.088 R)
• M9: 2,162,587 km (0.106 R)
• M10: 2,264,164 km (0.114 R)
• M11: 2,346,592 km (0.097 R)
• M12: 2,430,068 km (0.102 R)
• M13: 2,686,628 km (0.08 R)
• M14: 3,087,999 km (0.062 R)
• M15: 3,179,852 km (0.118 R)
• M16: 3,319,278 km (0.091 R)
• M17: 3,580,326 km (0.12 R)
• M18: 4,021,939 km (0.108 R)
• M19: 4,274,909 km (0.111 R)
• M20: 4,611,654 km (0.119 R)
• M21: 4,716,970 km (0.103 R)
• M22: 5,201,069 km (0.025 R)
• M23: 5,421,277 km (0.095 R)
• M24: 5,672,751 km (0.054 R)
• M25: 5,757,424 km (0.075 R)
• M26: 5,871,118 km (0.111 R)
• M27: 5,956,838 km (0.066 R)
• M28: 6,957,049 km (0.096 R)
• M29: 7,230,514 km (0.063 R)
• M30: 8,263,487 km (0.117 R)
• M31: 8,391,842 km (0.118 R)
• M32: 8,520,796 km (0.062 R)
• M33: 8,715,572 km (0.031 R)
• M34: 8,977,667 km (0.088 R)
• M35: 9,711,595 km (0.073 R)
• M36: 9,847,130 km (0.052 R)
• M37: 9,949,156 km (0.096 R)
• M38: 10,085,739 km (0.079 R)
• M39: 10,257,477 km (0.092 R)
• M40: 10,499,377 km (0.117 R)
• M41: 10,989,160 km (0.059 R)
• M42: 12,209,131 km (0.099 R)
• M43: 12,318,786 km (0.118 R)
• M44: 12,539,294 km (0.075 R)
• M45: 12,723,897 km (0.078 R)
• M46: 13,245,844 km (0.1 R)
• M47: 13,509,436 km (0.111 R)
• M48: 13,585,132 km (0.093 R)
• M49: 14,003,707 km (0.103 R)
• M50: 14,387,874 km (0.078 R)
• M51: 14,620,050 km (0.102 R)
• M52: 15,402,896 km (0.106 R)
• M53: 15,482,033 km (0.081 R)
• M54: 16,602,820 km (0.102 R)
• M55: 16,805,675 km (0.115 R)
• M56: 16,968,587 km (0.117 R)
• M57: 17,131,948 km (0.108 R)
• M58: 18,248,846 km (0.092 R)
• M59: 18,542,357 km (0.082 R)
• M60: 18,921,887 km (0.117 R)
• M61: 19,903,398 km (0.079 R)
• M62: 20,032,651 km (0.082 R)
• M63: 20,770,468 km (0.053 R)
• M64: 21,605,373 km (0.072 R)
• M65: 21,693,935 km (0.109 R)
• M66: 21,871,358 km (0.078 R)
• M67: 22,004,800 km (0.094 R)
• M68: 22,227,700 km (0.091 R)
• M69: 22,541,108 km (0.025 R)
• M70: 22,991,398 km (0.105 R)
• M71: 23,900,803 km (0.035 R)
• M72: 24,961,003 km (0.081 R)
• M73: 25,754,620 km (0.059 R)
• M74: 25,989,488 km (0.079 R)
• M75: 26,461,619 km (0.12 R)
• M76: 26,651,309 km (0.115 R)
• M77: 28,087,898 km (0.101 R)
• M78: 28,620,915 km (0.1 R)
• M79: 28,718,303 km (0.113 R)
• M80: 28,913,080 km (0.055 R)
• M81: 29,598,687 km (0.034 R)
• M82: 30,388,713 km (0.029 R)
• M83: 31,687,372 km (0.112 R)
• M84: 32,090,688 km (0.06 R)
• M85: 32,343,508 km (0.086 R)
• M86: 34,545,589 km (0.07 R)

Kuiper Belt

Range: 30.6 - 60.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 13,393 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit