🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.58 AU - 0.86 AU

Year: 234 Days

Day: 42.3 Hours

Environment

Temp: 171 °C

Axial Tilt: 36.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.4 AU - 1.48 AU

Year: 662 Days

Day: 37.6 Hours

Environment

Temp: -48 °C

Axial Tilt: 10.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 83,848,754 km

• M1: 153,338 km (0.106 R)
• M2: 552,315 km (0.114 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.98

Radius: 1.74

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.29 AU - 2.03 AU

Year: 819 Days

Day: 25.9 Hours

Environment

Temp: -61 °C

Axial Tilt: 31.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.96

Radius: 1.9

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 2.26 AU - 2.82 AU

Year: 1550 Days

Day: 18.2 Hours

Environment

Temp: -97 °C

Axial Tilt: 28.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.45 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.9

Radius: 8.4

Gravity: 7.52 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.36 AU - 7.36 AU

Year: 6141 Days

Day: 9.7 Hours

Environment

Temp: -168 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,848,754 km

• M1: 146,606 km (0.107 R)
• M2: 735,573 km (0.08 R)
• M3: 1,104,930 km (0.097 R)
• M4: 1,633,609 km (0.112 R)
• M5: 2,043,806 km (0.112 R)
• M6: 2,572,934 km (0.106 R)
• M7: 2,842,360 km (0.098 R)
• M8: 3,567,311 km (0.097 R)
• M9: 4,692,436 km (0.118 R)
• M10: 6,550,292 km (0.097 R)
• M11: 6,884,793 km (0.059 R)
• M12: 8,222,797 km (0.11 R)
• M13: 9,055,309 km (0.096 R)
• M14: 10,340,205 km (0.115 R)
• M15: 13,057,201 km (0.105 R)
• M16: 13,534,269 km (0.062 R)
• M17: 14,636,057 km (0.1 R)
• M18: 14,920,592 km (0.113 R)
• M19: 17,079,738 km (0.074 R)
• M20: 18,763,163 km (0.093 R)
• M21: 20,983,345 km (0.101 R)
• M22: 21,345,372 km (0.108 R)
• M23: 23,997,593 km (0.119 R)
• M24: 28,068,899 km (0.035 R)

Planet 6 - Ice Giant

Semi-Major Axis: 17.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 324.4

Radius: 7.3

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 17.16 AU - 18.62 AU

Year: 28972 Days

Day: 22.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 83,848,754 km

• M1: 90,806 km (0.109 R)
• M2: 431,440 km (0.098 R)
• M3: 753,824 km (0.118 R)
• M4: 1,075,010 km (0.076 R)
• M5: 1,883,587 km (0.069 R)
• M6: 2,941,992 km (0.098 R)
• M7: 3,718,405 km (0.078 R)
• M8: 4,219,558 km (0.095 R)
• M9: 4,589,513 km (0.109 R)
• M10: 5,054,613 km (0.097 R)
• M11: 6,036,872 km (0.111 R)
• M12: 6,819,120 km (0.08 R)
• M13: 8,689,542 km (0.108 R)
• M14: 9,514,125 km (0.067 R)
• M15: 11,445,733 km (0.039 R)
• M16: 12,166,047 km (0.047 R)
• M17: 14,210,003 km (0.103 R)
• M18: 15,430,422 km (0.111 R)
• M19: 15,666,787 km (0.115 R)
• M20: 18,695,545 km (0.091 R)
• M21: 20,822,528 km (0.088 R)
• M22: 23,727,718 km (0.066 R)
• M23: 29,959,218 km (0.11 R)
• M24: 38,485,847 km (0.107 R)
• M25: 42,059,890 km (0.111 R)
• M26: 43,769,644 km (0.094 R)
• M27: 50,204,297 km (0.111 R)
• M28: 56,491,597 km (0.049 R)
• M29: 63,283,938 km (0.088 R)
• M30: 65,939,301 km (0.06 R)
• M31: 68,668,115 km (0.108 R)
• M32: 71,035,053 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 423.2

Radius: 3.2

Gravity: 41.33 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 14.95 AU - 21.21 AU

Year: 29435 Days

Day: 23.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 83,848,754 km

• M1: 39,793 km (0.11 R)
• M2: 284,834 km (0.051 R)
• M3: 409,449 km (0.102 R)
• M4: 783,145 km (0.084 R)
• M5: 908,059 km (0.116 R)
• M6: 1,141,432 km (0.063 R)
• M7: 1,462,469 km (0.045 R)
• M8: 1,617,153 km (0.09 R)
• M9: 1,763,759 km (0.118 R)
• M10: 2,417,651 km (0.093 R)
• M11: 2,970,266 km (0.116 R)
• M12: 5,011,229 km (0.09 R)
• M13: 5,607,227 km (0.114 R)
• M14: 6,890,927 km (0.077 R)
• M15: 7,033,942 km (0.1 R)
• M16: 11,892,133 km (0.062 R)
• M17: 12,801,688 km (0.076 R)
• M18: 22,949,809 km (0.069 R)
• M19: 26,275,968 km (0.113 R)
• M20: 26,392,056 km (0.11 R)
• M21: 27,691,613 km (0.083 R)
• M22: 27,932,466 km (0.091 R)
• M23: 28,053,341 km (0.105 R)
• M24: 28,296,288 km (0.114 R)
• M25: 29,406,603 km (0.117 R)
• M26: 31,061,305 km (0.105 R)
• M27: 32,911,681 km (0.062 R)
• M28: 35,114,659 km (0.106 R)
• M29: 35,965,422 km (0.074 R)
• M30: 41,047,861 km (0.058 R)
• M31: 47,615,057 km (0.097 R)
• M32: 52,606,690 km (0.045 R)
• M33: 61,544,714 km (0.112 R)
• M34: 61,749,513 km (0.099 R)
• M35: 73,957,148 km (0.088 R)
• M36: 74,652,928 km (0.109 R)
• M37: 76,293,717 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 18,849 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit