🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.76

Radius: 1.5

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 0.57 AU - 0.57 AU

Year: 160 Days

Day: 31.5 Hours

Environment

Temp: 133 °C

Axial Tilt: 28 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 58,808,357 km

• M1: 376,687 km (0.05 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.56 AU - 0.8 AU

Year: 209 Days

Day: 34.8 Hours

Environment

Temp: 125 °C

Axial Tilt: 21.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 58,808,357 km

• M1: 136,583 km (0.12 R)
• M2: 339,737 km (0.108 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.56

Radius: 0.79

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.81 AU - 0.97 AU

Year: 313 Days

Day: 43.6 Hours

Environment

Temp: 32 °C

Axial Tilt: 127.5 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 58,808,357 km

• M1: 121,922 km (0.036 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.02 AU - 1.5 AU

Year: 527 Days

Day: 42.4 Hours

Environment

Temp: 0 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 2.32 AU - 3.46 AU

Year: 1831 Days

Day: 42.1 Hours

Environment

Temp: -103 °C

Axial Tilt: 12.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,808,357 km

• M1: 1,332,917 km (0.05 R)

Planet 6 - Terrestrial

Semi-Major Axis: 3.42 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.04

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.04 AU - 3.8 AU

Year: 2358 Days

Day: 43.6 Hours

Environment

Temp: -118 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,808,357 km

• M1: 1,616,704 km (0.097 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 157.4

Radius: 6.1

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 17.66 AU - 18.24 AU

Year: 28350 Days

Day: 15.5 Hours

Environment

Temp: -199 °C

Axial Tilt: 68.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 58,808,357 km

• M1: 194,776 km (0.11 R)
• M2: 854,204 km (0.069 R)
• M3: 917,633 km (0.072 R)
• M4: 1,117,346 km (0.046 R)
• M5: 1,210,546 km (0.065 R)
• M6: 1,330,823 km (0.115 R)
• M7: 1,768,546 km (0.073 R)
• M8: 2,366,339 km (0.116 R)
• M9: 2,547,951 km (0.094 R)
• M10: 3,453,916 km (0.089 R)
• M11: 5,055,660 km (0.093 R)
• M12: 5,211,242 km (0.064 R)
• M13: 5,647,320 km (0.058 R)
• M14: 6,895,265 km (0.096 R)
• M15: 6,981,433 km (0.102 R)
• M16: 7,111,284 km (0.113 R)
• M17: 7,638,766 km (0.094 R)
• M18: 8,407,550 km (0.112 R)
• M19: 9,011,925 km (0.059 R)
• M20: 10,066,291 km (0.074 R)
• M21: 10,115,210 km (0.115 R)
• M22: 10,409,917 km (0.077 R)
• M23: 10,558,468 km (0.095 R)
• M24: 10,857,365 km (0.042 R)
• M25: 11,209,817 km (0.081 R)
• M26: 11,668,335 km (0.118 R)
• M27: 12,815,002 km (0.107 R)
• M28: 13,027,282 km (0.088 R)
• M29: 13,294,314 km (0.112 R)
• M30: 13,401,576 km (0.083 R)
• M31: 13,997,125 km (0.113 R)
• M32: 16,291,208 km (0.078 R)
• M33: 16,406,099 km (0.078 R)
• M34: 16,636,630 km (0.093 R)
• M35: 16,752,269 km (0.099 R)
• M36: 16,926,401 km (0.112 R)
• M37: 17,100,981 km (0.047 R)
• M38: 17,393,296 km (0.069 R)
• M39: 17,864,529 km (0.087 R)
• M40: 19,303,212 km (0.106 R)
• M41: 19,607,643 km (0.105 R)
• M42: 20,344,562 km (0.042 R)
• M43: 20,406,346 km (0.078 R)
• M44: 20,592,296 km (0.116 R)
• M45: 22,290,083 km (0.084 R)
• M46: 22,930,212 km (0.089 R)
• M47: 24,952,775 km (0.074 R)
• M48: 25,550,568 km (0.049 R)
• M49: 27,304,005 km (0.034 R)
• M50: 27,508,804 km (0.116 R)
• M51: 29,724,947 km (0.098 R)
• M52: 30,500,014 km (0.102 R)
• M53: 33,958,567 km (0.104 R)
• M54: 36,708,026 km (0.113 R)
• M55: 37,311,803 km (0.044 R)
• M56: 37,766,880 km (0.098 R)
• M57: 38,452,786 km (0.103 R)
• M58: 38,835,757 km (0.113 R)
• M59: 39,373,860 km (0.112 R)
• M60: 39,759,823 km (0.075 R)
• M61: 42,495,968 km (0.097 R)
• M62: 42,733,380 km (0.069 R)
• M63: 42,812,517 km (0.107 R)
• M64: 42,891,804 km (0.09 R)
• M65: 45,534,899 km (0.073 R)
• M66: 45,615,832 km (0.051 R)
• M67: 47,818,361 km (0.104 R)
• M68: 49,222,935 km (0.102 R)
• M69: 49,305,962 km (0.099 R)
• M70: 49,638,668 km (0.064 R)
• M71: 50,055,448 km (0.104 R)
• M72: 51,481,414 km (0.103 R)
• M73: 52,495,987 km (0.097 R)
• M74: 53,517,142 km (0.078 R)
• M75: 56,098,603 km (0.118 R)
• M76: 56,532,736 km (0.113 R)
• M77: 56,706,718 km (0.102 R)
• M78: 57,929,531 km (0.051 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 461 - 14,378 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit