🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.99

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.44 AU - 0.6 AU

Year: 134 Days

Day: 21.8 Hours

Environment

Temp: 208 °C

Axial Tilt: 22.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,860,528 km

• M1: 290,519 km (0.115 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.68 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.72

Radius: 1.24

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.65 AU - 0.71 AU

Year: 200 Days

Day: 36 Hours

Environment

Temp: 196 °C

Axial Tilt: 15.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,860,528 km

• M1: 101,876 km (0.097 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.91 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.76

Radius: 1.87

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 0.79 AU - 1.03 AU

Year: 309 Days

Day: 29.3 Hours

Environment

Temp: 135 °C

Axial Tilt: 44.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 46,860,528 km

• M1: 58,044 km (0.087 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.24

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 4.23 AU - 4.39 AU

Year: 3189 Days

Day: 15.7 Hours

Environment

Temp: -123 °C

Axial Tilt: 20.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.88

Radius: 1.29

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.77 AU - 4.91 AU

Year: 3223 Days

Day: 17.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 6.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 46,860,528 km

• M1: 32,912 km (0.11 R)

Asteroid Belt

Center: 5.13 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 575.6

Radius: 14.5

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.11 AU - 6.71 AU

Year: 5121 Days

Day: 8.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 46,860,528 km

• M1: 180,265 km (0.074 R)
• M2: 1,321,248 km (0.089 R)
• M3: 2,063,553 km (0.118 R)
• M4: 2,565,005 km (0.076 R)
• M5: 3,607,104 km (0.092 R)
• M6: 4,343,873 km (0.072 R)
• M7: 5,314,913 km (0.117 R)
• M8: 5,940,681 km (0.03 R)
• M9: 6,711,260 km (0.037 R)
• M10: 8,302,831 km (0.093 R)
• M11: 12,029,763 km (0.092 R)
• M12: 12,761,147 km (0.102 R)
• M13: 13,677,584 km (0.1 R)
• M14: 17,726,001 km (0.053 R)
• M15: 21,577,997 km (0.118 R)
• M16: 24,539,137 km (0.107 R)
• M17: 25,956,128 km (0.06 R)
• M18: 26,440,376 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792

Radius: 9.5

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 8.29 AU - 8.91 AU

Year: 8990 Days

Day: 12.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 46,860,528 km

• M1: 121,623 km (0.042 R)
• M2: 514,916 km (0.105 R)
• M3: 987,944 km (0.031 R)
• M4: 1,405,622 km (0.068 R)
• M5: 2,054,278 km (0.106 R)
• M6: 2,703,234 km (0.092 R)
• M7: 3,087,251 km (0.055 R)
• M8: 3,507,472 km (0.102 R)
• M9: 4,521,147 km (0.107 R)
• M10: 6,173,755 km (0.092 R)
• M11: 6,690,466 km (0.107 R)
• M12: 10,675,753 km (0.056 R)
• M13: 11,097,170 km (0.078 R)
• M14: 11,529,807 km (0.099 R)
• M15: 12,777,902 km (0.09 R)
• M16: 15,473,506 km (0.07 R)
• M17: 17,930,651 km (0.099 R)
• M18: 20,394,827 km (0.103 R)
• M19: 24,775,352 km (0.09 R)
• M20: 25,796,208 km (0.118 R)
• M21: 29,538,848 km (0.111 R)
• M22: 30,792,179 km (0.103 R)
• M23: 31,863,299 km (0.05 R)
• M24: 33,741,052 km (0.101 R)
• M25: 34,079,891 km (0.108 R)
• M26: 36,634,723 km (0.086 R)
• M27: 38,080,736 km (0.076 R)
• M28: 39,065,689 km (0.095 R)
• M29: 41,991,973 km (0.084 R)
• M30: 42,384,069 km (0.098 R)
• M31: 43,575,167 km (0.05 R)

Kuiper Belt

Range: 30.8 - 57.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 474 - 10,949 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit