🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.59 AU - 0.67 AU

Year: 218 Days

Day: 43.7 Hours

Environment

Temp: 4 °C

Axial Tilt: 34.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 75,761,459 km

• M1: 447,298 km (0.116 R)
• M2: 488,886 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.55

Radius: 1.45

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.16 AU - 1.62 AU

Year: 715 Days

Day: 24.7 Hours

Environment

Temp: -90 °C

Axial Tilt: 2.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,761,459 km

• M1: 520,152 km (0.081 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 1.45 AU - 1.57 AU

Year: 810 Days

Day: 22.9 Hours

Environment

Temp: -89 °C

Axial Tilt: 28.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 75,761,459 km

• M1: 200,760 km (0.05 R)

Asteroid Belt

Center: 6.53 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Ice Giant

Semi-Major Axis: 11.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 921.1

Radius: 5.4

Gravity: 31.59 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 11.52 AU - 11.58 AU

Year: 17136 Days

Day: 16.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 75,761,459 km

• M1: 73,901 km (0.079 R)
• M2: 605,871 km (0.064 R)
• M3: 1,621,940 km (0.11 R)
• M4: 1,779,915 km (0.084 R)
• M5: 2,642,497 km (0.119 R)
• M6: 2,679,447 km (0.102 R)
• M7: 2,716,548 km (0.084 R)
• M8: 2,753,798 km (0.104 R)
• M9: 3,412,477 km (0.093 R)
• M10: 4,074,896 km (0.119 R)
• M11: 4,420,767 km (0.08 R)
• M12: 4,775,912 km (0.09 R)
• M13: 6,041,510 km (0.115 R)
• M14: 7,144,346 km (0.075 R)
• M15: 8,092,048 km (0.088 R)
• M16: 8,635,238 km (0.115 R)
• M17: 9,585,783 km (0.068 R)
• M18: 9,642,780 km (0.115 R)
• M19: 9,699,776 km (0.105 R)
• M20: 10,334,819 km (0.115 R)
• M21: 10,568,940 km (0.097 R)
• M22: 12,505,036 km (0.115 R)
• M23: 12,567,268 km (0.072 R)
• M24: 12,942,909 km (0.081 R)
• M25: 14,221,372 km (0.104 R)
• M26: 14,809,740 km (0.118 R)
• M27: 14,875,563 km (0.117 R)
• M28: 14,941,536 km (0.102 R)
• M29: 15,206,324 km (0.051 R)
• M30: 16,077,732 km (0.056 R)
• M31: 16,485,237 km (0.111 R)
• M32: 18,079,052 km (0.037 R)
• M33: 18,787,249 km (0.096 R)
• M34: 19,001,473 km (0.11 R)
• M35: 20,376,876 km (0.062 R)
• M36: 20,891,642 km (0.118 R)
• M37: 20,965,543 km (0.047 R)
• M38: 21,559,746 km (0.077 R)
• M39: 22,537,218 km (0.111 R)
• M40: 22,916,898 km (0.062 R)
• M41: 23,914,267 km (0.098 R)
• M42: 24,146,293 km (0.107 R)
• M43: 25,239,554 km (0.112 R)
• M44: 25,554,907 km (0.076 R)
• M45: 25,871,456 km (0.071 R)
• M46: 26,428,708 km (0.097 R)
• M47: 27,473,948 km (0.082 R)
• M48: 28,042,420 km (0.1 R)
• M49: 28,205,482 km (0.106 R)
• M50: 29,854,050 km (0.104 R)
• M51: 31,533,436 km (0.107 R)
• M52: 31,703,080 km (0.117 R)
• M53: 31,958,144 km (0.043 R)
• M54: 32,043,266 km (0.071 R)
• M55: 33,502,443 km (0.119 R)
• M56: 33,935,679 km (0.037 R)
• M57: 35,952,557 km (0.058 R)
• M58: 37,109,697 km (0.104 R)
• M59: 38,369,311 km (0.085 R)
• M60: 40,745,673 km (0.076 R)
• M61: 41,765,332 km (0.108 R)
• M62: 42,418,626 km (0.095 R)
• M63: 47,181,672 km (0.116 R)
• M64: 47,569,879 km (0.093 R)
• M65: 47,764,506 km (0.069 R)
• M66: 48,937,353 km (0.066 R)
• M67: 49,330,347 km (0.101 R)
• M68: 50,020,741 km (0.061 R)
• M69: 50,515,910 km (0.079 R)
• M70: 50,714,277 km (0.1 R)
• M71: 51,411,103 km (0.109 R)
• M72: 55,248,289 km (0.107 R)
• M73: 55,862,538 km (0.028 R)
• M74: 57,201,139 km (0.119 R)
• M75: 58,654,632 km (0.096 R)
• M76: 59,281,148 km (0.054 R)
• M77: 59,595,304 km (0.029 R)
• M78: 59,805,040 km (0.092 R)
• M79: 60,120,093 km (0.076 R)
• M80: 60,857,461 km (0.058 R)
• M81: 61,915,866 km (0.094 R)
• M82: 62,447,387 km (0.047 R)
• M83: 63,407,805 km (0.069 R)
• M84: 63,943,515 km (0.067 R)
• M85: 65,127,433 km (0.112 R)
• M86: 65,559,771 km (0.083 R)
• M87: 65,993,006 km (0.072 R)
• M88: 66,427,139 km (0.096 R)
• M89: 69,824,208 km (0.073 R)
• M90: 70,709,977 km (0.078 R)
• M91: 74,064,709 km (0.069 R)
• M92: 74,628,843 km (0.063 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 308 - 12,838 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit