🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.13 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.23

Radius: 0.56

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 0.91 AU - 1.35 AU

Year: 434 Days

Day: 22.4 Hours

Environment

Temp: 26 °C

Axial Tilt: 26.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 48,800,560 km

• M1: 160,668 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.38

Radius: 1.14

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.02 AU - 2.99 AU

Year: 1430 Days

Day: 34.8 Hours

Environment

Temp: -88 °C

Axial Tilt: 27.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,800,560 km

• M1: 396,285 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.18

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.43 AU - 2.77 AU

Year: 1516 Days

Day: 42.2 Hours

Environment

Temp: -89 °C

Axial Tilt: 31 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.06

Radius: 1.34

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.53 AU - 2.89 AU

Year: 1613 Days

Day: 31.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 19.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.97 AU - 4.37 AU

Year: 2543 Days

Day: 38.4 Hours

Environment

Temp: -106 °C

Axial Tilt: 35.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,800,560 km

• M1: 652,546 km (0.067 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.38

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 4.68 AU - 4.9 AU

Year: 3791 Days

Day: 37.1 Hours

Environment

Temp: -127 °C

Axial Tilt: 9.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,800,560 km

• M1: 2,740,483 km (0.051 R)

Asteroid Belt

Center: 5.36 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.5

Radius: 10.2

Gravity: 2.35 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.46 AU - 6.38 AU

Year: 5209 Days

Day: 8.9 Hours

Environment

Temp: -147 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,800,560 km

• M1: 127,906 km (0.111 R)
• M2: 602,131 km (0.109 R)
• M3: 920,476 km (0.038 R)
• M4: 1,299,557 km (0.108 R)
• M5: 1,624,184 km (0.076 R)
• M6: 3,081,567 km (0.043 R)
• M7: 3,553,997 km (0.099 R)
• M8: 4,854,301 km (0.097 R)
• M9: 5,192,991 km (0.058 R)
• M10: 5,677,987 km (0.11 R)
• M11: 6,679,994 km (0.074 R)
• M12: 7,192,366 km (0.114 R)
• M13: 7,763,232 km (0.058 R)
• M14: 9,031,672 km (0.098 R)
• M15: 10,713,900 km (0.079 R)
• M16: 11,082,360 km (0.108 R)
• M17: 11,544,019 km (0.054 R)
• M18: 11,931,178 km (0.092 R)
• M19: 13,999,070 km (0.091 R)
• M20: 14,889,626 km (0.064 R)
• M21: 15,922,749 km (0.098 R)
• M22: 17,731,088 km (0.045 R)
• M23: 18,073,966 km (0.064 R)
• M24: 18,596,661 km (0.106 R)
• M25: 20,349,798 km (0.119 R)
• M26: 21,621,380 km (0.093 R)
• M27: 21,947,354 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813.8

Radius: 14.2

Gravity: 4.04 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.99 AU - 10.59 AU

Year: 9425 Days

Day: 10.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 48,800,560 km

• M1: 185,202 km (0.116 R)
• M2: 982,858 km (0.113 R)
• M3: 2,208,214 km (0.119 R)
• M4: 2,994,800 km (0.111 R)
• M5: 3,454,813 km (0.103 R)
• M6: 4,069,511 km (0.098 R)
• M7: 5,689,506 km (0.118 R)
• M8: 6,401,592 km (0.101 R)
• M9: 8,266,479 km (0.071 R)
• M10: 8,761,498 km (0.043 R)
• M11: 9,911,158 km (0.1 R)
• M12: 10,626,984 km (0.09 R)
• M13: 11,105,099 km (0.07 R)
• M14: 11,653,225 km (0.09 R)
• M15: 17,070,015 km (0.053 R)
• M16: 18,553,128 km (0.069 R)
• M17: 21,437,225 km (0.12 R)
• M18: 22,288,736 km (0.109 R)
• M19: 28,383,054 km (0.114 R)
• M20: 28,996,256 km (0.107 R)
• M21: 30,355,054 km (0.082 R)
• M22: 33,425,550 km (0.064 R)
• M23: 34,109,511 km (0.085 R)
• M24: 35,387,676 km (0.065 R)
• M25: 38,660,129 km (0.041 R)
• M26: 39,667,371 km (0.107 R)
• M27: 42,394,391 km (0.042 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 17,503 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit