🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.85

Radius: 1.71

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.58 AU - 0.86 AU

Year: 216 Days

Day: 45.7 Hours

Environment

Temp: 148 °C

Axial Tilt: 13.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 85,537,228 km

• M1: 254,616 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.93 AU - 1.29 AU

Year: 413 Days

Day: 18.8 Hours

Environment

Temp: 38 °C

Axial Tilt: 14.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.35 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.56

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 1.17 AU - 1.53 AU

Year: 554 Days

Day: 29.2 Hours

Environment

Temp: 8 °C

Axial Tilt: 24.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 3.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 3.38 AU - 4.58 AU

Year: 2804 Days

Day: 43.8 Hours

Environment

Temp: -122 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 85,537,228 km

• M1: 265,536 km (0.089 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.2

Radius: 11.3

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.79 AU - 8.41 AU

Year: 8140 Days

Day: 5.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,537,228 km

• M1: 140,472 km (0.078 R)
• M2: 945,459 km (0.115 R)
• M3: 1,361,341 km (0.107 R)
• M4: 2,454,901 km (0.082 R)
• M5: 5,129,412 km (0.099 R)
• M6: 5,575,513 km (0.101 R)
• M7: 6,999,834 km (0.113 R)
• M8: 9,030,326 km (0.077 R)
• M9: 10,743,670 km (0.049 R)
• M10: 12,399,120 km (0.114 R)
• M11: 18,934,453 km (0.111 R)
• M12: 21,262,944 km (0.105 R)
• M13: 22,653,456 km (0.066 R)
• M14: 29,291,712 km (0.111 R)
• M15: 32,899,115 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 936.1

Radius: 14.3

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.9 AU - 14.18 AU

Year: 13842 Days

Day: 7.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 85,537,228 km

• M1: 177,872 km (0.049 R)
• M2: 1,219,821 km (0.089 R)
• M3: 1,801,458 km (0.098 R)
• M4: 2,860,012 km (0.089 R)
• M5: 3,624,756 km (0.114 R)
• M6: 4,554,806 km (0.078 R)
• M7: 5,129,412 km (0.109 R)
• M8: 6,675,207 km (0.112 R)
• M9: 8,866,666 km (0.038 R)
• M10: 11,687,034 km (0.118 R)
• M11: 12,251,916 km (0.106 R)
• M12: 13,778,861 km (0.1 R)
• M13: 14,409,865 km (0.113 R)
• M14: 14,913,711 km (0.105 R)
• M15: 17,048,473 km (0.054 R)
• M16: 18,524,256 km (0.1 R)
• M17: 19,817,828 km (0.115 R)
• M18: 21,170,791 km (0.102 R)
• M19: 24,060,424 km (0.096 R)
• M20: 25,494,918 km (0.055 R)
• M21: 28,309,602 km (0.082 R)
• M22: 29,676,029 km (0.101 R)
• M23: 34,293,816 km (0.075 R)
• M24: 36,506,817 km (0.108 R)
• M25: 37,716,166 km (0.058 R)
• M26: 41,215,709 km (0.041 R)
• M27: 44,773,745 km (0.117 R)
• M28: 45,694,221 km (0.117 R)
• M29: 50,652,642 km (0.106 R)
• M30: 52,495,090 km (0.117 R)
• M31: 54,381,668 km (0.036 R)
• M32: 56,847,789 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.3

Radius: 7

Gravity: 13.27 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 15.64 AU - 18.1 AU

Year: 24466 Days

Day: 20.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 85,537,228 km

• M1: 91,105 km (0.052 R)
• M2: 347,516 km (0.108 R)
• M3: 610,808 km (0.114 R)
• M4: 855,999 km (0.102 R)
• M5: 1,099,844 km (0.095 R)
• M6: 1,641,537 km (0.084 R)
• M7: 1,962,874 km (0.077 R)
• M8: 2,192,806 km (0.087 R)
• M9: 2,511,449 km (0.066 R)
• M10: 2,783,418 km (0.106 R)
• M11: 3,328,403 km (0.051 R)
• M12: 4,276,554 km (0.044 R)
• M13: 4,557,200 km (0.068 R)
• M14: 5,933,351 km (0.092 R)
• M15: 8,350,254 km (0.049 R)
• M16: 9,478,222 km (0.049 R)
• M17: 10,263,760 km (0.054 R)
• M18: 14,695,148 km (0.045 R)
• M19: 15,828,652 km (0.087 R)
• M20: 16,163,003 km (0.111 R)
• M21: 22,698,036 km (0.074 R)
• M22: 26,134,150 km (0.119 R)
• M23: 26,836,960 km (0.047 R)
• M24: 27,793,639 km (0.103 R)
• M25: 28,525,920 km (0.074 R)
• M26: 34,854,060 km (0.073 R)
• M27: 38,643,673 km (0.057 R)
• M28: 39,708,960 km (0.105 R)
• M29: 41,107,251 km (0.035 R)
• M30: 45,498,846 km (0.092 R)
• M31: 52,564,204 km (0.115 R)
• M32: 54,438,216 km (0.088 R)
• M33: 60,529,991 km (0.068 R)
• M34: 63,634,446 km (0.032 R)
• M35: 64,056,163 km (0.051 R)
• M36: 64,692,402 km (0.08 R)
• M37: 85,537,220 km (0.06 R)

Kuiper Belt

Range: 31.1 - 50.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 19,178 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit