🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.85 AU - 0.85 AU

Year: 288 Days

Day: 24.9 Hours

Environment

Temp: 86 °C

Axial Tilt: 2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 15,632,818 km

• M1: 672,143 km (0.053 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.52

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.74 AU - 1.06 AU

Year: 313 Days

Day: 21.7 Hours

Environment

Temp: 98 °C

Axial Tilt: 3.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.96 AU - 1.34 AU

Year: 453 Days

Day: 21.7 Hours

Environment

Temp: -1 °C

Axial Tilt: 22.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 15,632,818 km

• M1: 470,784 km (0.107 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.08

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.43 AU - 2.19 AU

Year: 894 Days

Day: 46.6 Hours

Environment

Temp: -62 °C

Axial Tilt: 21.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.83

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.06 AU - 2.36 AU

Year: 1206 Days

Day: 46 Hours

Environment

Temp: -83 °C

Axial Tilt: 9.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,632,818 km

• M1: 1,707,211 km (0.036 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.29

Radius: 0.61

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.84 AU - 2.88 AU

Year: 1331 Days

Day: 44.1 Hours

Environment

Temp: -89 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.29 AU - 3.73 AU

Year: 1917 Days

Day: 42.4 Hours

Environment

Temp: -100 °C

Axial Tilt: 148.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 15,632,818 km

• M1: 1,580,651 km (0.094 R)

Asteroid Belt

Center: 5.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.1

Radius: 13.2

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 6.79 AU - 9.59 AU

Year: 8604 Days

Day: 10.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 15,632,818 km

• M1: 171,290 km (0.118 R)
• M2: 269,875 km (0.057 R)
• M3: 438,471 km (0.096 R)
• M4: 668,104 km (0.077 R)
• M5: 759,508 km (0.097 R)
• M6: 931,396 km (0.066 R)
• M7: 1,277,267 km (0.093 R)
• M8: 2,156,005 km (0.117 R)
• M9: 2,505,316 km (0.097 R)
• M10: 2,885,893 km (0.12 R)
• M11: 2,977,446 km (0.043 R)
• M12: 3,257,942 km (0.118 R)
• M13: 3,394,675 km (0.094 R)
• M14: 4,225,093 km (0.092 R)
• M15: 4,927,305 km (0.027 R)
• M16: 5,388,964 km (0.101 R)
• M17: 6,251,246 km (0.096 R)
• M18: 6,422,087 km (0.106 R)
• M19: 6,698,693 km (0.078 R)
• M20: 7,085,404 km (0.109 R)
• M21: 7,624,555 km (0.087 R)
• M22: 7,880,816 km (0.087 R)
• M23: 8,139,919 km (0.115 R)
• M24: 8,270,518 km (0.061 R)
• M25: 8,420,565 km (0.115 R)
• M26: 8,704,502 km (0.062 R)
• M27: 9,223,606 km (0.067 R)
• M28: 9,320,845 km (0.095 R)
• M29: 11,713,364 km (0.114 R)
• M30: 11,924,446 km (0.062 R)
• M31: 13,130,205 km (0.119 R)
• M32: 13,503,751 km (0.072 R)
• M33: 14,149,415 km (0.101 R)
• M34: 14,896,358 km (0.047 R)
• M35: 15,010,650 km (0.104 R)
• M36: 15,102,204 km (0.04 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 16,384 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit