🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.42

Radius: 0.71

Gravity: 0.83 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 0.8 AU - 0.86 AU

Year: 268 Days

Day: 29.2 Hours

Environment

Temp: 157 °C

Axial Tilt: 16.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,301,766 km

• M1: 349,311 km (0.086 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 1.5 AU - 2.06 AU

Year: 842 Days

Day: 33.9 Hours

Environment

Temp: -43 °C

Axial Tilt: 0.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.86

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 1.92 AU - 2.02 AU

Year: 981 Days

Day: 37.6 Hours

Environment

Temp: -47 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 1.76 AU - 2.86 AU

Year: 1246 Days

Day: 29.9 Hours

Environment

Temp: -77 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.99 AU - 4.85 AU

Year: 2753 Days

Day: 42.6 Hours

Environment

Temp: -107 °C

Axial Tilt: 15.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 36,301,766 km

• M1: 2,058,766 km (0.111 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 3.62 AU - 4.76 AU

Year: 3043 Days

Day: 37.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 32.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,301,766 km

• M1: 1,382,434 km (0.118 R)
• M2: 2,700,391 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 519.9

Radius: 9.3

Gravity: 6.01 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 7.41 AU - 7.97 AU

Year: 7565 Days

Day: 8.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 36,301,766 km

• M1: 118,930 km (0.089 R)
• M2: 285,134 km (0.067 R)
• M3: 352,602 km (0.107 R)
• M4: 461,061 km (0.104 R)
• M5: 814,710 km (0.082 R)
• M6: 949,797 km (0.113 R)
• M7: 1,208,900 km (0.08 R)
• M8: 1,364,482 km (0.108 R)
• M9: 1,601,146 km (0.078 R)
• M10: 2,072,529 km (0.051 R)
• M11: 2,196,845 km (0.109 R)
• M12: 2,345,246 km (0.111 R)
• M13: 2,585,201 km (0.099 R)
• M14: 3,425,342 km (0.094 R)
• M15: 3,573,145 km (0.115 R)
• M16: 3,951,927 km (0.102 R)
• M17: 4,211,778 km (0.045 R)
• M18: 4,477,015 km (0.066 R)
• M19: 4,584,726 km (0.098 R)
• M20: 4,912,944 km (0.027 R)
• M21: 5,024,095 km (0.106 R)
• M22: 5,277,214 km (0.086 R)
• M23: 5,679,334 km (0.091 R)
• M24: 5,737,677 km (0.103 R)
• M25: 5,796,020 km (0.099 R)
• M26: 5,972,695 km (0.085 R)
• M27: 6,151,016 km (0.115 R)
• M28: 6,482,674 km (0.099 R)
• M29: 7,672,725 km (0.116 R)
• M30: 7,964,441 km (0.114 R)
• M31: 8,325,869 km (0.082 R)
• M32: 8,458,712 km (0.104 R)
• M33: 8,793,662 km (0.101 R)
• M34: 8,861,280 km (0.112 R)
• M35: 9,373,204 km (0.111 R)
• M36: 9,615,553 km (0.059 R)
• M37: 9,789,834 km (0.109 R)
• M38: 10,106,234 km (0.094 R)
• M39: 10,605,143 km (0.098 R)
• M40: 11,002,774 km (0.074 R)
• M41: 11,887,196 km (0.053 R)
• M42: 12,036,794 km (0.069 R)
• M43: 12,489,477 km (0.08 R)
• M44: 12,641,618 km (0.069 R)
• M45: 13,411,599 km (0.093 R)
• M46: 13,841,543 km (0.072 R)
• M47: 14,915,955 km (0.03 R)
• M48: 15,934,567 km (0.103 R)
• M49: 16,058,284 km (0.102 R)
• M50: 16,141,012 km (0.072 R)
• M51: 16,765,583 km (0.117 R)
• M52: 17,270,925 km (0.119 R)
• M53: 17,355,597 km (0.088 R)
• M54: 17,440,419 km (0.097 R)
• M55: 17,610,661 km (0.086 R)
• M56: 17,823,988 km (0.08 R)
• M57: 18,296,717 km (0.103 R)
• M58: 18,383,035 km (0.057 R)
• M59: 19,562,315 km (0.108 R)
• M60: 19,694,859 km (0.112 R)
• M61: 20,272,606 km (0.058 R)
• M62: 21,490,333 km (0.034 R)
• M63: 21,627,215 km (0.068 R)
• M64: 22,085,134 km (0.114 R)
• M65: 23,337,717 km (0.089 R)
• M66: 23,619,260 km (0.112 R)
• M67: 23,854,577 km (0.095 R)
• M68: 24,280,333 km (0.109 R)
• M69: 25,717,520 km (0.078 R)
• M70: 25,911,249 km (0.045 R)
• M71: 26,985,362 km (0.12 R)
• M72: 27,924,687 km (0.097 R)
• M73: 28,423,296 km (0.059 R)
• M74: 29,277,799 km (0.05 R)
• M75: 29,480,056 km (0.089 R)
• M76: 29,581,333 km (0.054 R)
• M77: 30,089,667 km (0.091 R)
• M78: 30,754,779 km (0.061 R)
• M79: 32,099,514 km (0.083 R)
• M80: 33,410,590 km (0.049 R)
• M81: 33,833,802 km (0.085 R)
• M82: 34,739,169 km (0.093 R)
• M83: 34,899,687 km (0.12 R)
• M84: 35,922,488 km (0.106 R)

Kuiper Belt

Range: 30.9 - 49.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 15,428 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit