🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.78

Radius: 0.91

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.44 AU - 0.68 AU

Year: 149 Days

Day: 23 Hours

Environment

Temp: 229 °C

Axial Tilt: 36.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 1.39 AU - 1.75 AU

Year: 698 Days

Day: 40 Hours

Environment

Temp: -33 °C

Axial Tilt: 13.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,373,861 km

• M1: 522,396 km (0.096 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 1.3 AU - 1.96 AU

Year: 738 Days

Day: 21 Hours

Environment

Temp: -43 °C

Axial Tilt: 28.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,373,861 km

• M1: 38,596 km (0.029 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.65 AU - 1.79 AU

Year: 800 Days

Day: 19.4 Hours

Environment

Temp: -37 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.61 AU - 3.07 AU

Year: 1698 Days

Day: 43.8 Hours

Environment

Temp: -96 °C

Axial Tilt: 0.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.23

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 4.39 AU - 5.45 AU

Year: 3872 Days

Day: 24.3 Hours

Environment

Temp: -127 °C

Axial Tilt: 20.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 11.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 659.3

Radius: 11.1

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 10.78 AU - 12.46 AU

Year: 14052 Days

Day: 11.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 59,373,861 km

• M1: 153,039 km (0.083 R)
• M2: 236,215 km (0.09 R)
• M3: 372,200 km (0.05 R)
• M4: 525,986 km (0.052 R)
• M5: 722,408 km (0.086 R)
• M6: 881,431 km (0.108 R)
• M7: 1,142,479 km (0.09 R)
• M8: 1,282,503 km (0.041 R)
• M9: 1,764,208 km (0.054 R)
• M10: 1,955,394 km (0.068 R)
• M11: 2,124,739 km (0.12 R)
• M12: 3,408,737 km (0.077 R)
• M13: 4,889,756 km (0.09 R)
• M14: 5,043,842 km (0.111 R)
• M15: 5,676,491 km (0.114 R)
• M16: 6,043,305 km (0.058 R)
• M17: 7,631,586 km (0.1 R)
• M18: 7,900,712 km (0.119 R)
• M19: 8,680,566 km (0.103 R)
• M20: 8,773,915 km (0.111 R)
• M21: 10,860,805 km (0.085 R)
• M22: 11,214,604 km (0.119 R)
• M23: 12,193,872 km (0.063 R)
• M24: 12,667,349 km (0.105 R)
• M25: 12,826,521 km (0.102 R)
• M26: 13,039,698 km (0.085 R)
• M27: 13,146,810 km (0.038 R)
• M28: 13,254,222 km (0.091 R)
• M29: 13,632,256 km (0.081 R)
• M30: 13,904,524 km (0.116 R)
• M31: 14,178,587 km (0.079 R)
• M32: 14,454,445 km (0.116 R)
• M33: 14,565,148 km (0.099 R)
• M34: 14,787,750 km (0.116 R)
• M35: 16,146,547 km (0.1 R)
• M36: 16,261,438 km (0.038 R)
• M37: 16,434,523 km (0.078 R)
• M38: 17,132,995 km (0.104 R)
• M39: 17,485,747 km (0.089 R)
• M40: 17,841,042 km (0.088 R)
• M41: 18,438,386 km (0.083 R)
• M42: 19,163,936 km (0.078 R)
• M43: 21,395,936 km (0.079 R)
• M44: 22,030,530 km (0.117 R)
• M45: 22,735,735 km (0.117 R)
• M46: 23,448,269 km (0.116 R)
• M47: 23,709,168 km (0.108 R)
• M48: 24,828,908 km (0.102 R)
• M49: 26,303,345 km (0.096 R)
• M50: 26,438,880 km (0.092 R)
• M51: 27,944,134 km (0.109 R)
• M52: 30,253,776 km (0.055 R)
• M53: 33,354,042 km (0.091 R)
• M54: 34,089,465 km (0.117 R)
• M55: 34,607,373 km (0.053 R)
• M56: 35,127,974 km (0.093 R)
• M57: 36,856,577 km (0.051 R)
• M58: 37,084,115 km (0.113 R)
• M59: 37,464,393 km (0.054 R)
• M60: 38,921,028 km (0.088 R)
• M61: 38,998,220 km (0.087 R)
• M62: 39,230,097 km (0.06 R)
• M63: 39,384,931 km (0.028 R)
• M64: 39,539,914 km (0.082 R)
• M65: 39,772,838 km (0.116 R)
• M66: 40,318,122 km (0.096 R)
• M67: 43,400,885 km (0.083 R)
• M68: 44,930,224 km (0.091 R)
• M69: 45,986,535 km (0.08 R)
• M70: 46,558,897 km (0.071 R)
• M71: 46,722,856 km (0.1 R)
• M72: 47,215,781 km (0.103 R)
• M73: 48,788,204 km (0.067 R)
• M74: 49,288,310 km (0.089 R)
• M75: 49,873,836 km (0.102 R)
• M76: 50,293,607 km (0.065 R)
• M77: 50,714,426 km (0.051 R)
• M78: 50,798,799 km (0.097 R)
• M79: 52,580,211 km (0.111 R)
• M80: 53,521,481 km (0.071 R)
• M81: 54,037,294 km (0.098 R)
• M82: 54,641,071 km (0.102 R)
• M83: 55,420,775 km (0.085 R)
• M84: 55,768,441 km (0.035 R)
• M85: 55,942,573 km (0.09 R)
• M86: 56,903,440 km (0.092 R)
• M87: 57,254,247 km (0.094 R)
• M88: 58,046,068 km (0.106 R)
• M89: 58,399,119 km (0.11 R)
• M90: 59,196,177 km (0.101 R)

Kuiper Belt

Range: 30.9 - 53.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 13,773 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit