🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.68

Radius: 1.23

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.62 AU - 0.82 AU

Year: 213 Days

Day: 30 Hours

Environment

Temp: 223 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 101,333,706 km

• M1: 194,627 km (0.077 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.78 AU - 0.96 AU

Year: 283 Days

Day: 13.6 Hours

Environment

Temp: 160 °C

Axial Tilt: 46.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.48 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.14

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 1.24 AU - 1.72 AU

Year: 627 Days

Day: 27.8 Hours

Environment

Temp: 12 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.9

Radius: 1.53

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.87 AU - 3.09 AU

Year: 1792 Days

Day: 41.9 Hours

Environment

Temp: -94 °C

Axial Tilt: 139.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.15 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 7.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 12.6

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 6.05 AU - 8.59 AU

Year: 6897 Days

Day: 5.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 101,333,706 km

• M1: 156,629 km (0.06 R)
• M2: 655,089 km (0.075 R)
• M3: 1,125,425 km (0.061 R)
• M4: 1,524,103 km (0.089 R)
• M5: 2,244,118 km (0.059 R)
• M6: 2,986,273 km (0.068 R)
• M7: 3,618,174 km (0.099 R)
• M8: 4,641,274 km (0.037 R)
• M9: 5,787,792 km (0.114 R)
• M10: 6,773,792 km (0.12 R)
• M11: 7,360,365 km (0.07 R)
• M12: 7,831,748 km (0.054 R)
• M13: 8,361,623 km (0.095 R)
• M14: 8,834,951 km (0.119 R)
• M15: 9,326,081 km (0.111 R)
• M16: 9,792,228 km (0.116 R)
• M17: 10,453,002 km (0.098 R)
• M18: 23,098,659 km (0.05 R)
• M19: 23,562,562 km (0.101 R)
• M20: 25,645,563 km (0.085 R)

Planet 6 - Gas Giant

Semi-Major Axis: 12.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 842.4

Radius: 12.7

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 9.89 AU - 15.27 AU

Year: 15539 Days

Day: 9.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 101,333,706 km

• M1: 157,975 km (0.119 R)
• M2: 622,028 km (0.089 R)
• M3: 1,038,658 km (0.118 R)
• M4: 1,886,878 km (0.086 R)
• M5: 3,054,789 km (0.102 R)
• M6: 4,362,124 km (0.038 R)
• M7: 5,142,128 km (0.072 R)
• M8: 6,093,420 km (0.063 R)
• M9: 8,905,561 km (0.118 R)
• M10: 10,742,773 km (0.089 R)
• M11: 11,407,885 km (0.068 R)
• M12: 12,887,557 km (0.102 R)
• M13: 17,100,981 km (0.118 R)
• M14: 18,176,889 km (0.111 R)
• M15: 20,009,463 km (0.096 R)
• M16: 28,351,938 km (0.084 R)
• M17: 29,156,326 km (0.106 R)
• M18: 32,153,818 km (0.094 R)
• M19: 41,483,340 km (0.075 R)
• M20: 43,574,120 km (0.102 R)
• M21: 49,271,555 km (0.107 R)
• M22: 57,798,035 km (0.082 R)
• M23: 59,091,159 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 20.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.6

Radius: 4.2

Gravity: 33.76 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 18.03 AU - 23.51 AU

Year: 32965 Days

Day: 18 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 101,333,706 km

• M1: 121,324 km (0.118 R)
• M2: 459,415 km (0.037 R)
• M3: 714,479 km (0.086 R)
• M4: 950,545 km (0.066 R)
• M5: 1,190,649 km (0.06 R)
• M6: 1,505,553 km (0.101 R)
• M7: 1,791,584 km (0.068 R)
• M8: 2,471,656 km (0.057 R)
• M9: 2,626,041 km (0.114 R)
• M10: 3,497,000 km (0.116 R)
• M11: 4,211,180 km (0.069 R)
• M12: 6,106,435 km (0.106 R)
• M13: 8,504,489 km (0.117 R)
• M14: 8,738,760 km (0.115 R)
• M15: 9,220,166 km (0.101 R)
• M16: 10,433,853 km (0.118 R)
• M17: 10,975,397 km (0.075 R)
• M18: 11,606,850 km (0.038 R)
• M19: 17,934,391 km (0.088 R)
• M20: 30,650,509 km (0.106 R)
• M21: 31,201,030 km (0.07 R)
• M22: 35,240,322 km (0.036 R)
• M23: 37,073,195 km (0.061 R)
• M24: 37,541,137 km (0.119 R)
• M25: 41,595,090 km (0.116 R)
• M26: 42,269,626 km (0.094 R)
• M27: 42,609,662 km (0.057 R)
• M28: 43,640,691 km (0.063 R)
• M29: 47,014,871 km (0.048 R)
• M30: 48,858,814 km (0.102 R)
• M31: 52,493,893 km (0.111 R)
• M32: 57,338,021 km (0.088 R)
• M33: 58,173,226 km (0.108 R)
• M34: 62,691,830 km (0.043 R)
• M35: 65,376,065 km (0.113 R)
• M36: 66,976,612 km (0.12 R)
• M37: 67,670,597 km (0.091 R)
• M38: 70,255,947 km (0.083 R)
• M39: 78,918,861 km (0.118 R)
• M40: 82,574,434 km (0.106 R)
• M41: 83,105,656 km (0.036 R)
• M42: 90,220,830 km (0.048 R)
• M43: 91,066,956 km (0.115 R)
• M44: 94,504,715 km (0.077 R)
• M45: 95,377,618 km (0.108 R)

Kuiper Belt

Range: 31.5 - 61.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 16,163 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit