🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.61

Radius: 1.67

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.6 AU - 0.74 AU

Year: 207 Days

Day: 13.8 Hours

Environment

Temp: 110 °C

Axial Tilt: 18 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 45,739,779 km

• M1: 39,344 km (0.037 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.86

Radius: 0.94

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 0.77 AU - 0.97 AU

Year: 306 Days

Day: 28 Hours

Environment

Temp: 49 °C

Axial Tilt: 23.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 45,739,779 km

• M1: 23,936 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.17 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.01 AU - 1.33 AU

Year: 477 Days

Day: 26 Hours

Environment

Temp: -0 °C

Axial Tilt: 21 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.28

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.25 AU - 1.27 AU

Year: 533 Days

Day: 35.6 Hours

Environment

Temp: -23 °C

Axial Tilt: 6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 45,739,779 km

• M1: 39,643 km (0.086 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 2.21 AU - 3.09 AU

Year: 1625 Days

Day: 46.8 Hours

Environment

Temp: -94 °C

Axial Tilt: 45.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 226.5

Radius: 12.9

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.47 AU - 5.23 AU

Year: 4024 Days

Day: 8.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,739,779 km

• M1: 160,369 km (0.102 R)
• M2: 653,593 km (0.107 R)
• M3: 1,412,653 km (0.075 R)
• M4: 1,869,375 km (0.118 R)
• M5: 2,398,503 km (0.082 R)
• M6: 3,389,888 km (0.051 R)
• M7: 3,819,084 km (0.093 R)
• M8: 4,325,323 km (0.065 R)
• M9: 4,810,320 km (0.12 R)
• M10: 5,215,131 km (0.084 R)
• M11: 6,249,451 km (0.06 R)
• M12: 6,732,652 km (0.081 R)
• M13: 7,593,887 km (0.087 R)
• M14: 8,495,065 km (0.104 R)
• M15: 12,073,446 km (0.103 R)
• M16: 12,911,044 km (0.079 R)
• M17: 15,032,192 km (0.114 R)
• M18: 15,903,002 km (0.108 R)
• M19: 16,552,556 km (0.082 R)
• M20: 18,011,883 km (0.074 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 285

Radius: 8.9

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 5.68 AU - 8.2 AU

Year: 6888 Days

Day: 11.5 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 45,739,779 km

• M1: 111,151 km (0.096 R)
• M2: 448,943 km (0.108 R)
• M3: 914,941 km (0.099 R)
• M4: 1,823,897 km (0.088 R)
• M5: 2,905,490 km (0.077 R)
• M6: 3,262,281 km (0.105 R)
• M7: 3,543,824 km (0.116 R)
• M8: 4,133,090 km (0.036 R)
• M9: 4,585,773 km (0.106 R)
• M10: 5,204,510 km (0.108 R)
• M11: 5,534,224 km (0.098 R)
• M12: 5,848,678 km (0.119 R)
• M13: 6,995,346 km (0.117 R)
• M14: 8,248,527 km (0.117 R)
• M15: 10,228,754 km (0.065 R)
• M16: 10,572,680 km (0.109 R)
• M17: 12,653,287 km (0.112 R)
• M18: 14,077,758 km (0.109 R)
• M19: 14,557,518 km (0.114 R)
• M20: 15,325,404 km (0.082 R)
• M21: 16,120,068 km (0.109 R)
• M22: 16,527,423 km (0.115 R)
• M23: 18,989,206 km (0.055 R)
• M24: 22,541,856 km (0.108 R)
• M25: 26,433,794 km (0.108 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.7

Radius: 9

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 9.13 AU - 10.17 AU

Year: 11293 Days

Day: 7.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 45,739,779 km

• M1: 112,049 km (0.101 R)
• M2: 696,528 km (0.07 R)
• M3: 1,190,500 km (0.073 R)
• M4: 1,551,629 km (0.116 R)
• M5: 1,873,863 km (0.097 R)
• M6: 2,188,018 km (0.073 R)
• M7: 2,576,225 km (0.089 R)
• M8: 3,256,596 km (0.115 R)
• M9: 3,739,648 km (0.105 R)
• M10: 4,699,617 km (0.118 R)
• M11: 5,157,985 km (0.076 R)
• M12: 5,815,468 km (0.089 R)
• M13: 6,601,904 km (0.112 R)
• M14: 7,376,821 km (0.109 R)
• M15: 9,014,468 km (0.049 R)
• M16: 11,358,817 km (0.106 R)
• M17: 12,469,731 km (0.079 R)
• M18: 14,332,523 km (0.103 R)
• M19: 15,101,157 km (0.087 R)
• M20: 16,930,440 km (0.116 R)
• M21: 17,356,195 km (0.119 R)
• M22: 19,905,193 km (0.081 R)
• M23: 26,580,400 km (0.108 R)
• M24: 27,252,394 km (0.072 R)
• M25: 27,739,335 km (0.079 R)
• M26: 33,043,178 km (0.099 R)
• M27: 34,951,149 km (0.1 R)
• M28: 35,526,054 km (0.102 R)
• M29: 36,931,526 km (0.108 R)
• M30: 37,408,144 km (0.114 R)
• M31: 38,740,014 km (0.101 R)
• M32: 40,103,300 km (0.065 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 13,071 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit