🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.14

Radius: 0.46

Gravity: 0.66 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.41 AU - 0.67 AU

Year: 138 Days

Day: 36 Hours

Environment

Temp: 196 °C

Axial Tilt: 2.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 39,236,997 km

• M1: 86,318 km (0.11 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.49

Radius: 1.82

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.56 AU - 0.58 AU

Year: 150 Days

Day: 46.4 Hours

Environment

Temp: 254 °C

Axial Tilt: 6.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.56 AU - 0.72 AU

Year: 178 Days

Day: 28.5 Hours

Environment

Temp: 229 °C

Axial Tilt: 23.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.8

Radius: 1.27

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.79 AU - 2.17 AU

Year: 970 Days

Day: 47.8 Hours

Environment

Temp: -48 °C

Axial Tilt: 35.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 2.33 AU - 3.21 AU

Year: 1606 Days

Day: 38.4 Hours

Environment

Temp: -91 °C

Axial Tilt: 6.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.67 AU - 4.57 AU

Year: 2912 Days

Day: 34.3 Hours

Environment

Temp: -116 °C

Axial Tilt: 19.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.81 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.3

Radius: 10

Gravity: 7.37 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.14 AU - 8.84 AU

Year: 7139 Days

Day: 12.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (83)

Outer Limit: 39,236,997 km

• M1: 203,453 km (0.102 R)
• M2: 269,725 km (0.119 R)
• M3: 391,498 km (0.1 R)
• M4: 864,376 km (0.025 R)
• M5: 976,425 km (0.102 R)
• M6: 1,251,536 km (0.084 R)
• M7: 1,324,240 km (0.051 R)
• M8: 1,894,507 km (0.048 R)
• M9: 2,419,297 km (0.056 R)
• M10: 2,511,150 km (0.116 R)
• M11: 2,604,200 km (0.102 R)
• M12: 2,674,660 km (0.085 R)
• M13: 3,061,670 km (0.094 R)
• M14: 3,211,417 km (0.112 R)
• M15: 3,701,650 km (0.079 R)
• M16: 3,861,420 km (0.101 R)
• M17: 4,243,194 km (0.096 R)
• M18: 4,466,843 km (0.056 R)
• M19: 4,551,665 km (0.037 R)
• M20: 4,751,827 km (0.108 R)
• M21: 5,101,736 km (0.087 R)
• M22: 5,520,461 km (0.063 R)
• M23: 7,039,178 km (0.107 R)
• M24: 7,606,453 km (0.109 R)
• M25: 8,223,096 km (0.075 R)
• M26: 8,749,381 km (0.06 R)
• M27: 9,577,256 km (0.119 R)
• M28: 10,205,268 km (0.082 R)
• M29: 10,392,564 km (0.116 R)
• M30: 11,191,417 km (0.091 R)
• M31: 11,500,935 km (0.061 R)
• M32: 11,578,875 km (0.092 R)
• M33: 12,247,578 km (0.06 R)
• M34: 12,406,600 km (0.093 R)
• M35: 12,486,485 km (0.058 R)
• M36: 12,928,697 km (0.087 R)
• M37: 13,131,402 km (0.034 R)
• M38: 13,704,661 km (0.108 R)
• M39: 13,828,528 km (0.11 R)
• M40: 14,621,845 km (0.084 R)
• M41: 15,344,104 km (0.032 R)
• M42: 15,688,030 km (0.082 R)
• M43: 15,991,115 km (0.118 R)
• M44: 16,121,564 km (0.088 R)
• M45: 16,602,970 km (0.051 R)
• M46: 16,823,477 km (0.098 R)
• M47: 17,714,632 km (0.086 R)
• M48: 18,302,252 km (0.108 R)
• M49: 18,438,835 km (0.116 R)
• M50: 20,244,033 km (0.104 R)
• M51: 20,668,591 km (0.089 R)
• M52: 20,858,132 km (0.089 R)
• M53: 21,478,514 km (0.11 R)
• M54: 22,056,411 km (0.074 R)
• M55: 22,982,122 km (0.096 R)
• M56: 23,870,584 km (0.099 R)
• M57: 24,019,883 km (0.104 R)
• M58: 24,269,263 km (0.084 R)
• M59: 25,427,150 km (0.076 R)
• M60: 25,834,206 km (0.075 R)
• M61: 26,140,882 km (0.097 R)
• M62: 26,243,356 km (0.045 R)
• M63: 26,757,823 km (0.093 R)
• M64: 27,223,821 km (0.068 R)
• M65: 27,483,822 km (0.101 R)
• M66: 28,163,594 km (0.116 R)
• M67: 30,451,395 km (0.046 R)
• M68: 30,613,259 km (0.095 R)
• M69: 30,775,424 km (0.096 R)
• M70: 31,754,242 km (0.119 R)
• M71: 31,863,598 km (0.1 R)
• M72: 32,908,988 km (0.115 R)
• M73: 33,019,691 km (0.106 R)
• M74: 35,316,168 km (0.081 R)
• M75: 35,941,038 km (0.073 R)
• M76: 36,626,795 km (0.051 R)
• M77: 37,144,104 km (0.056 R)
• M78: 37,317,039 km (0.108 R)
• M79: 37,432,379 km (0.114 R)
• M80: 37,663,658 km (0.105 R)
• M81: 38,476,722 km (0.092 R)
• M82: 39,061,051 km (0.043 R)
• M83: 39,236,978 km (0.051 R)

Kuiper Belt

Range: 31.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 409 - 11,893 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit