🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.03 AU - 1.03 AU

Year: 301 Days

Day: 24.9 Hours

Environment

Temp: 206 °C

Axial Tilt: 14.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 54,665,999 km

• M1: 10,921 km (0.07 R)
• M2: 112,198 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.06 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.77 AU - 2.35 AU

Year: 851 Days

Day: 36.2 Hours

Environment

Temp: 121 °C

Axial Tilt: 41.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 2.57 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.48 AU - 2.66 AU

Year: 1186 Days

Day: 29.1 Hours

Environment

Temp: 16 °C

Axial Tilt: 31.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.74

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 2.87 AU - 3.07 AU

Year: 1473 Days

Day: 33.8 Hours

Environment

Temp: 7 °C

Axial Tilt: 8.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 2.91 AU - 3.19 AU

Year: 1533 Days

Day: 27.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 33.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 6 - Terrestrial

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 8.46 AU - 8.72 AU

Year: 7247 Days

Day: 26.9 Hours

Environment

Temp: -121 °C

Axial Tilt: 47.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,665,999 km

• M1: 978,669 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 13.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 481.1

Radius: 12

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 11.52 AU - 15.8 AU

Year: 14533 Days

Day: 9.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 54,665,999 km

• M1: 280,945 km (0.048 R)
• M2: 364,720 km (0.114 R)
• M3: 740,509 km (0.117 R)
• M4: 833,410 km (0.062 R)
• M5: 1,073,664 km (0.091 R)
• M6: 1,382,733 km (0.065 R)
• M7: 1,476,531 km (0.067 R)
• M8: 3,540,682 km (0.096 R)
• M9: 3,703,894 km (0.105 R)
• M10: 3,803,077 km (0.102 R)
• M11: 3,936,818 km (0.093 R)
• M12: 4,347,314 km (0.115 R)
• M13: 4,452,033 km (0.059 R)
• M14: 4,593,103 km (0.074 R)
• M15: 4,735,670 km (0.083 R)
• M16: 4,879,883 km (0.102 R)
• M17: 5,698,183 km (0.1 R)
• M18: 5,890,267 km (0.119 R)
• M19: 6,162,684 km (0.113 R)
• M20: 6,479,084 km (0.11 R)
• M21: 6,841,559 km (0.118 R)
• M22: 7,169,328 km (0.114 R)
• M23: 7,712,967 km (0.096 R)
• M24: 7,840,275 km (0.069 R)
• M25: 8,097,134 km (0.06 R)
• M26: 8,487,585 km (0.087 R)
• M27: 8,973,179 km (0.089 R)
• M28: 9,377,393 km (0.085 R)
• M29: 9,604,482 km (0.108 R)
• M30: 13,734,581 km (0.034 R)
• M31: 15,682,494 km (0.111 R)
• M32: 17,380,131 km (0.086 R)
• M33: 17,491,581 km (0.066 R)
• M34: 18,165,819 km (0.068 R)
• M35: 18,278,915 km (0.109 R)
• M36: 18,734,141 km (0.095 R)
• M37: 19,946,632 km (0.026 R)
• M38: 20,063,318 km (0.082 R)
• M39: 20,180,454 km (0.051 R)
• M40: 20,946,544 km (0.086 R)
• M41: 21,363,174 km (0.088 R)
• M42: 21,782,497 km (0.091 R)
• M43: 22,325,537 km (0.092 R)
• M44: 24,167,835 km (0.1 R)
• M45: 24,354,833 km (0.11 R)
• M46: 24,604,661 km (0.042 R)
• M47: 26,378,293 km (0.118 R)
• M48: 26,635,003 km (0.064 R)
• M49: 27,280,518 km (0.115 R)
• M50: 27,670,221 km (0.025 R)
• M51: 27,996,494 km (0.119 R)
• M52: 29,048,915 km (0.08 R)
• M53: 29,314,002 km (0.057 R)
• M54: 30,181,221 km (0.053 R)
• M55: 30,921,581 km (0.085 R)
• M56: 31,192,353 km (0.067 R)
• M57: 31,668,074 km (0.099 R)
• M58: 32,557,733 km (0.074 R)
• M59: 32,971,221 km (0.103 R)
• M60: 33,109,450 km (0.049 R)
• M61: 34,501,907 km (0.108 R)
• M62: 35,417,296 km (0.089 R)
• M63: 35,913,662 km (0.115 R)
• M64: 36,055,780 km (0.101 R)
• M65: 36,698,003 km (0.086 R)
• M66: 37,056,440 km (0.073 R)
• M67: 38,720,267 km (0.033 R)
• M68: 39,231,443 km (0.107 R)
• M69: 40,334,428 km (0.082 R)
• M70: 40,704,234 km (0.113 R)
• M71: 40,852,486 km (0.089 R)
• M72: 44,159,945 km (0.075 R)
• M73: 45,000,236 km (0.118 R)
• M74: 45,460,699 km (0.084 R)
• M75: 45,845,763 km (0.09 R)
• M76: 48,256,683 km (0.055 R)
• M77: 49,121,957 km (0.105 R)
• M78: 49,358,920 km (0.119 R)
• M79: 49,754,606 km (0.082 R)
• M80: 50,230,776 km (0.105 R)
• M81: 51,588,227 km (0.03 R)
• M82: 51,668,412 km (0.106 R)
• M83: 51,989,748 km (0.12 R)
• M84: 52,473,099 km (0.102 R)

Kuiper Belt

Range: 38.1 - 67.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 301 - 18,697 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit