🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.05 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.97 AU - 1.13 AU

Year: 408 Days

Day: 47.5 Hours

Environment

Temp: 5 °C

Axial Tilt: 33.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 2.05 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.04 AU - 2.06 AU

Year: 1112 Days

Day: 45.1 Hours

Environment

Temp: -75 °C

Axial Tilt: 48.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 49,996,810 km

• M1: 65,823 km (0.049 R)
• M2: 347,815 km (0.034 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.83 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.52 AU - 4.14 AU

Year: 2839 Days

Day: 19.1 Hours

Environment

Temp: -121 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,996,810 km

• M1: 33,360 km (0.083 R)

Asteroid Belt

Center: 4.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.4

Radius: 12.7

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.12 AU - 4.58 AU

Year: 3436 Days

Day: 7.4 Hours

Environment

Temp: -132 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 49,996,810 km

• M1: 157,975 km (0.119 R)
• M2: 631,153 km (0.094 R)
• M3: 1,190,649 km (0.098 R)
• M4: 1,972,598 km (0.045 R)
• M5: 2,725,673 km (0.095 R)
• M6: 4,780,550 km (0.108 R)
• M7: 6,253,939 km (0.068 R)
• M8: 6,957,797 km (0.115 R)
• M9: 12,252,963 km (0.07 R)
• M10: 15,601,263 km (0.114 R)
• M11: 16,240,195 km (0.072 R)
• M12: 17,856,600 km (0.109 R)
• M13: 18,438,087 km (0.118 R)
• M14: 19,394,766 km (0.036 R)
• M15: 21,212,828 km (0.116 R)
• M16: 22,263,155 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 595.1

Radius: 14.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 3.83 AU - 4.97 AU

Year: 3496 Days

Day: 6.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,996,810 km

• M1: 182,809 km (0.105 R)
• M2: 709,543 km (0.094 R)
• M3: 1,427,912 km (0.11 R)
• M4: 2,010,446 km (0.047 R)
• M5: 2,520,275 km (0.111 R)
• M6: 3,459,152 km (0.112 R)
• M7: 5,343,337 km (0.069 R)
• M8: 6,744,022 km (0.096 R)
• M9: 7,419,007 km (0.108 R)
• M10: 8,308,815 km (0.118 R)
• M11: 10,621,898 km (0.112 R)
• M12: 12,280,788 km (0.104 R)
• M13: 13,055,705 km (0.076 R)
• M14: 13,526,490 km (0.063 R)
• M15: 15,161,744 km (0.093 R)
• M16: 16,161,208 km (0.096 R)
• M17: 17,092,305 km (0.09 R)
• M18: 18,408,616 km (0.117 R)
• M19: 21,502,151 km (0.085 R)
• M20: 22,027,389 km (0.116 R)
• M21: 22,561,304 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.3

Radius: 8.8

Gravity: 7.39 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 4.33 AU - 5.17 AU

Year: 3921 Days

Day: 9.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,996,810 km

• M1: 109,506 km (0.109 R)
• M2: 410,048 km (0.079 R)
• M3: 696,677 km (0.109 R)
• M4: 998,416 km (0.117 R)
• M5: 1,299,557 km (0.054 R)
• M6: 3,210,071 km (0.112 R)
• M7: 3,734,412 km (0.086 R)
• M8: 4,782,494 km (0.095 R)
• M9: 5,414,396 km (0.11 R)
• M10: 6,072,178 km (0.097 R)
• M11: 6,968,119 km (0.116 R)
• M12: 7,646,097 km (0.038 R)
• M13: 8,946,401 km (0.105 R)
• M14: 9,475,080 km (0.095 R)
• M15: 13,776,019 km (0.049 R)
• M16: 17,777,463 km (0.062 R)
• M17: 19,349,737 km (0.105 R)
• M18: 23,257,682 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.5

Radius: 10

Gravity: 8.32 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 8.13 AU - 9.21 AU

Year: 9669 Days

Day: 8.8 Hours

Environment

Temp: -174 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,996,810 km

• M1: 124,316 km (0.076 R)
• M2: 517,459 km (0.099 R)
• M3: 951,293 km (0.081 R)
• M4: 1,457,532 km (0.105 R)
• M5: 3,105,502 km (0.079 R)
• M6: 3,637,622 km (0.063 R)
• M7: 4,117,233 km (0.117 R)
• M8: 4,668,950 km (0.113 R)
• M9: 6,209,957 km (0.095 R)
• M10: 7,218,097 km (0.106 R)
• M11: 9,311,869 km (0.078 R)
• M12: 9,655,196 km (0.088 R)
• M13: 10,315,072 km (0.084 R)
• M14: 10,629,677 km (0.105 R)
• M15: 11,388,886 km (0.115 R)
• M16: 11,895,723 km (0.074 R)
• M17: 12,241,893 km (0.118 R)
• M18: 13,075,901 km (0.095 R)
• M19: 14,658,946 km (0.059 R)
• M20: 16,722,499 km (0.102 R)
• M21: 20,498,199 km (0.062 R)
• M22: 22,892,813 km (0.038 R)
• M23: 25,088,760 km (0.112 R)
• M24: 26,628,571 km (0.091 R)
• M25: 31,625,289 km (0.101 R)
• M26: 32,402,600 km (0.106 R)
• M27: 33,078,932 km (0.073 R)
• M28: 34,576,556 km (0.041 R)
• M29: 37,459,606 km (0.082 R)
• M30: 48,956,801 km (0.116 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 10,994 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit