🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.65 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.58 AU - 0.72 AU

Year: 190 Days

Day: 34.9 Hours

Environment

Temp: 187 °C

Axial Tilt: 35.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 35,832,191 km

• M1: 223,350 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.78 AU - 2.82 AU

Year: 1261 Days

Day: 44.9 Hours

Environment

Temp: -87 °C

Axial Tilt: 2.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,832,191 km

• M1: 58,942 km (0.111 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.5

Radius: 1.83

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 2.25 AU - 3.45 AU

Year: 1740 Days

Day: 47.1 Hours

Environment

Temp: -88 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,832,191 km

• M1: 45,179 km (0.106 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.25 AU - 3.61 AU

Year: 1814 Days

Day: 46.2 Hours

Environment

Temp: -91 °C

Axial Tilt: 15.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 35,832,191 km

• M1: 792,719 km (0.111 R)
• M2: 1,000,511 km (0.115 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.66

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.17 AU - 4.29 AU

Year: 2605 Days

Day: 32.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 3.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 35,832,191 km

• M1: 2,166,028 km (0.026 R)

Asteroid Belt

Center: 5.59 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.3

Radius: 12.4

Gravity: 5.04 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.5 AU - 8.38 AU

Year: 7339 Days

Day: 6.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 35,832,191 km

• M1: 154,535 km (0.116 R)
• M2: 562,189 km (0.081 R)
• M3: 2,123,093 km (0.097 R)
• M4: 3,240,589 km (0.118 R)
• M5: 4,976,373 km (0.077 R)
• M6: 5,781,958 km (0.083 R)
• M7: 6,601,006 km (0.093 R)
• M8: 7,652,529 km (0.09 R)
• M9: 10,718,538 km (0.07 R)
• M10: 11,222,383 km (0.107 R)
• M11: 11,741,937 km (0.071 R)
• M12: 13,168,353 km (0.112 R)
• M13: 15,266,762 km (0.118 R)
• M14: 16,100,321 km (0.098 R)
• M15: 18,495,383 km (0.03 R)
• M16: 19,147,779 km (0.092 R)
• M17: 20,729,777 km (0.068 R)
• M18: 21,197,270 km (0.056 R)
• M19: 23,641,849 km (0.103 R)
• M20: 24,670,334 km (0.059 R)
• M21: 28,601,916 km (0.068 R)
• M22: 28,987,579 km (0.091 R)
• M23: 33,250,371 km (0.12 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.6

Radius: 11.6

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 7.65 AU - 9.79 AU

Year: 9312 Days

Day: 12.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 35,832,191 km

• M1: 144,362 km (0.081 R)
• M2: 510,877 km (0.08 R)
• M3: 923,318 km (0.116 R)
• M4: 1,713,644 km (0.095 R)
• M5: 2,510,252 km (0.084 R)
• M6: 3,161,302 km (0.082 R)
• M7: 3,897,174 km (0.117 R)
• M8: 4,521,446 km (0.045 R)
• M9: 5,425,466 km (0.108 R)
• M10: 6,586,794 km (0.091 R)
• M11: 7,866,754 km (0.063 R)
• M12: 9,440,972 km (0.092 R)
• M13: 10,963,878 km (0.111 R)
• M14: 11,679,255 km (0.096 R)
• M15: 13,146,661 km (0.084 R)
• M16: 14,072,223 km (0.069 R)
• M17: 15,102,803 km (0.041 R)
• M18: 22,127,470 km (0.051 R)
• M19: 25,144,111 km (0.066 R)
• M20: 25,849,914 km (0.073 R)
• M21: 26,387,868 km (0.09 R)
• M22: 29,384,463 km (0.074 R)
• M23: 31,470,006 km (0.073 R)
• M24: 33,123,811 km (0.06 R)
• M25: 34,079,143 km (0.117 R)
• M26: 35,381,392 km (0.051 R)
• M27: 39,487,256 km (0.115 R)

Planet 8 - Gas Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.9

Radius: 13.1

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 9.39 AU - 13.05 AU

Year: 13592 Days

Day: 6.9 Hours

Environment

Temp: -186 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,832,191 km

• M1: 167,101 km (0.117 R)
• M2: 596,896 km (0.09 R)
• M3: 1,069,326 km (0.12 R)
• M4: 1,692,251 km (0.034 R)
• M5: 2,182,633 km (0.115 R)
• M6: 2,786,709 km (0.081 R)
• M7: 4,282,688 km (0.059 R)
• M8: 5,178,330 km (0.097 R)
• M9: 7,194,610 km (0.073 R)
• M10: 8,746,389 km (0.098 R)
• M11: 9,868,373 km (0.085 R)
• M12: 10,511,195 km (0.115 R)
• M13: 12,397,475 km (0.095 R)
• M14: 13,476,375 km (0.078 R)
• M15: 15,210,962 km (0.107 R)
• M16: 16,006,972 km (0.088 R)
• M17: 20,046,414 km (0.083 R)
• M18: 24,470,472 km (0.075 R)
• M19: 24,887,251 km (0.067 R)
• M20: 25,478,612 km (0.119 R)
• M21: 26,079,247 km (0.069 R)
• M22: 31,132,813 km (0.095 R)
• M23: 32,316,282 km (0.1 R)
• M24: 34,772,828 km (0.118 R)

Kuiper Belt

Range: 30.3 - 58.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 18,776 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit