🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.98

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.57 AU - 0.61 AU

Year: 174 Days

Day: 26.3 Hours

Environment

Temp: 140 °C

Axial Tilt: 46.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.64

Radius: 1.68

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.78 AU - 0.88 AU

Year: 290 Days

Day: 46.5 Hours

Environment

Temp: 24 °C

Axial Tilt: 35.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 67,400,193 km

• M1: 39,195 km (0.108 R)
• M2: 775,216 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.17

Radius: 0.49

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 0.8 AU - 0.9 AU

Year: 300 Days

Day: 26.4 Hours

Environment

Temp: 42 °C

Axial Tilt: 14.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 0.96 AU - 1.42 AU

Year: 497 Days

Day: 13.8 Hours

Environment

Temp: -28 °C

Axial Tilt: 31.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 67,400,193 km

• M1: 527,033 km (0.042 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.08 AU - 3.2 AU

Year: 2130 Days

Day: 23.5 Hours

Environment

Temp: -120 °C

Axial Tilt: 40 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.83 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 839.2

Radius: 14

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.99 AU - 5.03 AU

Year: 3667 Days

Day: 7.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,400,193 km

• M1: 174,132 km (0.097 R)
• M2: 759,508 km (0.087 R)
• M3: 1,293,274 km (0.049 R)
• M4: 1,960,031 km (0.102 R)
• M5: 2,428,123 km (0.077 R)
• M6: 3,245,077 km (0.062 R)
• M7: 4,423,011 km (0.093 R)
• M8: 4,932,242 km (0.08 R)
• M9: 6,826,300 km (0.119 R)
• M10: 8,130,943 km (0.112 R)
• M11: 8,711,982 km (0.047 R)
• M12: 9,516,669 km (0.05 R)
• M13: 10,623,693 km (0.104 R)
• M14: 11,230,462 km (0.109 R)
• M15: 13,142,023 km (0.054 R)
• M16: 13,943,868 km (0.115 R)
• M17: 16,604,017 km (0.063 R)
• M18: 17,068,519 km (0.106 R)
• M19: 18,700,482 km (0.104 R)
• M20: 21,716,973 km (0.086 R)
• M21: 23,196,496 km (0.118 R)
• M22: 24,817,539 km (0.11 R)
• M23: 25,272,466 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 84.4

Radius: 14.7

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 9.7 AU - 11.16 AU

Year: 12897 Days

Day: 11.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,400,193 km

• M1: 187,745 km (0.103 R)
• M2: 687,851 km (0.112 R)
• M3: 1,810,284 km (0.087 R)
• M4: 3,230,117 km (0.07 R)
• M5: 4,040,339 km (0.026 R)
• M6: 4,803,438 km (0.102 R)
• M7: 6,587,393 km (0.109 R)
• M8: 8,181,956 km (0.114 R)
• M9: 10,662,738 km (0.11 R)
• M10: 11,606,850 km (0.104 R)
• M11: 16,943,754 km (0.113 R)
• M12: 19,910,130 km (0.067 R)
• M13: 20,447,486 km (0.106 R)
• M14: 22,840,304 km (0.054 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 216.9

Radius: 5.3

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 10.48 AU - 13.84 AU

Year: 16236 Days

Day: 17.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,400,193 km

• M1: 68,217 km (0.047 R)
• M2: 243,695 km (0.114 R)
• M3: 483,201 km (0.078 R)
• M4: 769,980 km (0.107 R)
• M5: 2,275,384 km (0.115 R)
• M6: 3,104,156 km (0.098 R)
• M7: 3,930,983 km (0.087 R)
• M8: 4,744,646 km (0.102 R)
• M9: 6,257,230 km (0.094 R)
• M10: 6,624,194 km (0.096 R)
• M11: 9,606,427 km (0.063 R)
• M12: 10,144,531 km (0.111 R)
• M13: 12,327,912 km (0.066 R)
• M14: 15,789,606 km (0.045 R)
• M15: 20,399,764 km (0.058 R)
• M16: 44,726,023 km (0.09 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.3

Radius: 4.6

Gravity: 24.35 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 11.66 AU - 15.56 AU

Year: 19225 Days

Day: 20.5 Hours

Environment

Temp: -188 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 67,400,193 km

• M1: 57,296 km (0.066 R)
• M2: 212,130 km (0.115 R)
• M3: 365,318 km (0.106 R)
• M4: 587,920 km (0.049 R)
• M5: 898,186 km (0.034 R)
• M6: 1,047,634 km (0.079 R)
• M7: 1,535,473 km (0.064 R)
• M8: 1,751,193 km (0.097 R)
• M9: 2,142,092 km (0.079 R)
• M10: 2,521,622 km (0.054 R)
• M11: 4,113,642 km (0.071 R)
• M12: 4,564,081 km (0.063 R)
• M13: 4,905,314 km (0.059 R)
• M14: 7,979,999 km (0.092 R)
• M15: 8,424,604 km (0.115 R)
• M16: 8,678,771 km (0.051 R)
• M17: 9,309,326 km (0.114 R)
• M18: 19,772,201 km (0.084 R)
• M19: 29,853,153 km (0.064 R)
• M20: 30,801,454 km (0.117 R)
• M21: 31,162,284 km (0.098 R)
• M22: 31,647,579 km (0.089 R)
• M23: 37,052,251 km (0.109 R)
• M24: 37,871,299 km (0.088 R)
• M25: 42,148,302 km (0.086 R)
• M26: 43,340,897 km (0.113 R)
• M27: 47,852,768 km (0.112 R)
• M28: 48,660,896 km (0.077 R)
• M29: 50,972,482 km (0.033 R)
• M30: 56,708,364 km (0.07 R)
• M31: 61,709,570 km (0.066 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 257 - 11,249 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit