🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.31

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.56 AU - 0.78 AU

Year: 197 Days

Day: 29.8 Hours

Environment

Temp: 150 °C

Axial Tilt: 23.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.66 AU - 2.36 AU

Year: 1026 Days

Day: 37.8 Hours

Environment

Temp: -64 °C

Axial Tilt: 18.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.8 AU - 2.98 AU

Year: 1330 Days

Day: 33.2 Hours

Environment

Temp: -79 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.89

Radius: 0.95

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.06 AU - 3.9 AU

Year: 2336 Days

Day: 47.1 Hours

Environment

Temp: -101 °C

Axial Tilt: 19.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 59,319,584 km

• M1: 689,347 km (0.098 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 3.89 AU - 3.95 AU

Year: 2793 Days

Day: 37.3 Hours

Environment

Temp: -113 °C

Axial Tilt: 35.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 8.89 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 13.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.3

Radius: 7.2

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 12.49 AU - 15.23 AU

Year: 18570 Days

Day: 19.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 59,319,584 km

• M1: 97,837 km (0.116 R)
• M2: 369,507 km (0.111 R)
• M3: 761,902 km (0.117 R)
• M4: 1,002,455 km (0.078 R)
• M5: 1,965,417 km (0.119 R)
• M6: 2,826,053 km (0.081 R)
• M7: 3,242,833 km (0.053 R)
• M8: 3,568,807 km (0.083 R)
• M9: 5,786,595 km (0.091 R)
• M10: 6,536,829 km (0.057 R)
• M11: 7,099,616 km (0.048 R)
• M12: 7,392,828 km (0.082 R)
• M13: 8,600,232 km (0.119 R)
• M14: 11,006,963 km (0.032 R)
• M15: 11,286,860 km (0.08 R)
• M16: 13,255,269 km (0.063 R)
• M17: 17,552,318 km (0.11 R)
• M18: 19,848,047 km (0.096 R)
• M19: 21,024,784 km (0.117 R)
• M20: 29,291,861 km (0.086 R)
• M21: 30,374,651 km (0.039 R)
• M22: 32,505,074 km (0.102 R)
• M23: 34,493,978 km (0.074 R)
• M24: 37,061,077 km (0.035 R)
• M25: 37,437,914 km (0.076 R)
• M26: 38,970,844 km (0.055 R)
• M27: 42,434,782 km (0.08 R)
• M28: 43,960,232 km (0.111 R)
• M29: 44,665,586 km (0.041 R)
• M30: 45,235,255 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.9

Radius: 8

Gravity: 9.53 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 13.98 AU - 15 AU

Year: 19851 Days

Day: 23.2 Hours

Environment

Temp: -197 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,319,584 km

• M1: 99,782 km (0.063 R)
• M2: 354,996 km (0.115 R)
• M3: 842,685 km (0.081 R)
• M4: 1,195,586 km (0.091 R)
• M5: 11,425,837 km (0.075 R)
• M6: 12,668,845 km (0.107 R)
• M7: 15,343,655 km (0.068 R)
• M8: 19,256,088 km (0.117 R)
• M9: 22,270,785 km (0.118 R)
• M10: 29,573,554 km (0.047 R)
• M11: 36,097,218 km (0.092 R)
• M12: 39,329,579 km (0.059 R)
• M13: 40,941,496 km (0.109 R)
• M14: 41,538,392 km (0.107 R)
• M15: 50,175,275 km (0.044 R)
• M16: 52,947,025 km (0.073 R)
• M17: 58,982,850 km (0.076 R)
• M18: 63,650,004 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.1

Radius: 3.5

Gravity: 13.64 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 14.55 AU - 21.79 AU

Year: 27874 Days

Day: 15.1 Hours

Environment

Temp: -205 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 59,319,584 km

• M1: 43,683 km (0.062 R)
• M2: 377,884 km (0.117 R)
• M3: 608,265 km (0.106 R)
• M4: 1,097,450 km (0.048 R)
• M5: 1,210,247 km (0.051 R)
• M6: 1,792,332 km (0.038 R)
• M7: 5,445,063 km (0.106 R)
• M8: 7,060,122 km (0.109 R)
• M9: 7,677,512 km (0.12 R)
• M10: 9,120,533 km (0.108 R)
• M11: 9,959,478 km (0.109 R)
• M12: 11,668,933 km (0.118 R)
• M13: 22,168,160 km (0.064 R)
• M14: 25,351,902 km (0.04 R)
• M15: 29,047,568 km (0.029 R)
• M16: 29,158,121 km (0.115 R)
• M17: 36,703,987 km (0.055 R)
• M18: 40,300,918 km (0.116 R)
• M19: 46,050,713 km (0.107 R)
• M20: 47,568,981 km (0.101 R)
• M21: 56,004,656 km (0.101 R)
• M22: 57,908,289 km (0.096 R)

Kuiper Belt

Range: 30.5 - 50.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 17,897 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit