🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.75 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.87

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 0.69 AU - 0.81 AU

Year: 228 Days

Day: 25.8 Hours

Environment

Temp: 196 °C

Axial Tilt: 36.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,782,063 km

• M1: 59,690 km (0.108 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 0.83 AU - 1.19 AU

Year: 357 Days

Day: 26 Hours

Environment

Temp: 121 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,782,063 km

• M1: 243,695 km (0.061 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.62 AU - 4.2 AU

Year: 2213 Days

Day: 32.4 Hours

Environment

Temp: -101 °C

Axial Tilt: 14.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.32

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 3.21 AU - 3.95 AU

Year: 2381 Days

Day: 20.3 Hours

Environment

Temp: -110 °C

Axial Tilt: 7.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.67

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 3.48 AU - 4.18 AU

Year: 2634 Days

Day: 23.9 Hours

Environment

Temp: -106 °C

Axial Tilt: 26.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.4

Radius: 8.4

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 5.47 AU - 8.91 AU

Year: 6776 Days

Day: 6.2 Hours

Environment

Temp: -158 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 53,782,063 km

• M1: 104,569 km (0.113 R)
• M2: 508,334 km (0.1 R)
• M3: 810,671 km (0.025 R)
• M4: 1,116,449 km (0.089 R)
• M5: 1,521,859 km (0.116 R)
• M6: 1,878,800 km (0.109 R)
• M7: 2,147,178 km (0.099 R)
• M8: 2,441,437 km (0.108 R)
• M9: 2,968,620 km (0.049 R)
• M10: 3,530,061 km (0.086 R)
• M11: 4,317,843 km (0.064 R)
• M12: 5,038,606 km (0.075 R)
• M13: 6,092,672 km (0.078 R)
• M14: 7,718,053 km (0.09 R)
• M15: 9,227,047 km (0.073 R)
• M16: 9,731,641 km (0.04 R)
• M17: 11,532,500 km (0.116 R)
• M18: 11,845,309 km (0.096 R)
• M19: 12,628,903 km (0.085 R)
• M20: 13,057,351 km (0.11 R)
• M21: 15,401,101 km (0.103 R)
• M22: 15,726,177 km (0.064 R)
• M23: 17,072,408 km (0.091 R)
• M24: 17,714,482 km (0.066 R)
• M25: 20,121,213 km (0.112 R)
• M26: 22,252,234 km (0.097 R)
• M27: 24,455,961 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 250.7

Radius: 3

Gravity: 27.86 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 15.3 AU - 18.58 AU

Year: 24505 Days

Day: 21.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 53,782,063 km

• M1: 46,525 km (0.111 R)
• M2: 354,248 km (0.112 R)
• M3: 589,715 km (0.117 R)
• M4: 765,792 km (0.098 R)
• M5: 1,752,838 km (0.119 R)
• M6: 1,892,712 km (0.104 R)
• M7: 2,871,082 km (0.104 R)
• M8: 6,628,233 km (0.104 R)
• M9: 7,230,963 km (0.067 R)
• M10: 11,092,533 km (0.116 R)
• M11: 13,222,956 km (0.106 R)
• M12: 16,211,472 km (0.028 R)
• M13: 16,594,742 km (0.093 R)
• M14: 30,628,070 km (0.067 R)
• M15: 49,170,576 km (0.072 R)
• M16: 49,490,416 km (0.101 R)
• M17: 51,932,751 km (0.053 R)
• M18: 58,119,670 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 127.4

Radius: 7.8

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 16.01 AU - 20.63 AU

Year: 27559 Days

Day: 17 Hours

Environment

Temp: -186 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 53,782,063 km

• M1: 96,939 km (0.079 R)
• M2: 442,511 km (0.07 R)
• M3: 733,329 km (0.03 R)
• M4: 1,201,420 km (0.094 R)
• M5: 2,061,608 km (0.025 R)
• M6: 2,816,330 km (0.116 R)
• M7: 3,160,554 km (0.058 R)
• M8: 3,851,397 km (0.106 R)
• M9: 6,146,229 km (0.099 R)
• M10: 6,929,224 km (0.09 R)
• M11: 7,776,995 km (0.047 R)
• M12: 8,044,326 km (0.111 R)
• M13: 8,835,400 km (0.091 R)
• M14: 11,122,751 km (0.106 R)
• M15: 11,635,124 km (0.086 R)
• M16: 12,645,658 km (0.101 R)
• M17: 15,601,562 km (0.106 R)
• M18: 16,099,274 km (0.085 R)
• M19: 19,968,324 km (0.109 R)
• M20: 20,640,018 km (0.1 R)
• M21: 21,239,906 km (0.118 R)
• M22: 22,745,459 km (0.081 R)
• M23: 23,849,940 km (0.044 R)
• M24: 24,131,633 km (0.115 R)
• M25: 30,241,958 km (0.073 R)
• M26: 32,950,128 km (0.095 R)
• M27: 36,433,065 km (0.115 R)
• M28: 37,561,931 km (0.079 R)
• M29: 39,233,388 km (0.056 R)
• M30: 44,402,892 km (0.075 R)
• M31: 45,835,142 km (0.052 R)
• M32: 50,316,197 km (0.088 R)

Kuiper Belt

Range: 31.2 - 59.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 456 - 10,544 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit