🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.42 AU - 0.6 AU

Year: 139 Days

Day: 16.8 Hours

Environment

Temp: 217 °C

Axial Tilt: 18.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.55

Radius: 1.83

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.89 AU - 0.91 AU

Year: 327 Days

Day: 44 Hours

Environment

Temp: 30 °C

Axial Tilt: 18.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.42

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 1.06 AU - 1.08 AU

Year: 424 Days

Day: 15 Hours

Environment

Temp: -7 °C

Axial Tilt: 26.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.1

Radius: 1.35

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 1.66 AU - 1.7 AU

Year: 834 Days

Day: 35.7 Hours

Environment

Temp: -73 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.84 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.28

Radius: 0.6

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.68 AU - 2 AU

Year: 956 Days

Day: 18.8 Hours

Environment

Temp: -70 °C

Axial Tilt: 38.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,845,341 km

• M1: 91,255 km (0.103 R)

Asteroid Belt

Center: 3.69 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 531.2

Radius: 10.3

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 4.71 AU - 6.37 AU

Year: 4993 Days

Day: 12.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 17.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 65,845,341 km

• M1: 160,070 km (0.118 R)
• M2: 695,630 km (0.034 R)
• M3: 1,802,505 km (0.114 R)
• M4: 2,128,479 km (0.103 R)
• M5: 2,625,143 km (0.083 R)
• M6: 3,159,956 km (0.071 R)
• M7: 3,984,689 km (0.048 R)
• M8: 4,447,993 km (0.109 R)
• M9: 5,051,023 km (0.074 R)
• M10: 5,400,034 km (0.093 R)
• M11: 6,146,677 km (0.114 R)
• M12: 7,158,258 km (0.097 R)
• M13: 7,704,141 km (0.085 R)
• M14: 9,630,961 km (0.114 R)
• M15: 10,085,290 km (0.083 R)
• M16: 11,126,641 km (0.06 R)
• M17: 11,489,116 km (0.091 R)
• M18: 13,989,346 km (0.079 R)
• M19: 15,282,918 km (0.119 R)
• M20: 17,129,704 km (0.051 R)
• M21: 18,672,507 km (0.104 R)
• M22: 19,575,929 km (0.115 R)
• M23: 20,848,258 km (0.083 R)
• M24: 22,032,625 km (0.099 R)
• M25: 22,895,206 km (0.054 R)
• M26: 23,855,026 km (0.116 R)
• M27: 24,918,368 km (0.11 R)
• M28: 27,714,801 km (0.117 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 33.1

Radius: 5.6

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 14.62 AU - 16.99 AU

Year: 24047 Days

Day: 17.5 Hours

Environment

Temp: -202 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,845,341 km

• M1: 70,311 km (0.062 R)
• M2: 327,320 km (0.095 R)
• M3: 582,085 km (0.057 R)
• M4: 1,133,054 km (0.083 R)
• M5: 1,602,642 km (0.096 R)
• M6: 1,867,879 km (0.089 R)
• M7: 3,315,837 km (0.087 R)
• M8: 3,570,901 km (0.075 R)
• M9: 5,047,881 km (0.101 R)
• M10: 5,590,024 km (0.116 R)
• M11: 6,823,308 km (0.07 R)
• M12: 7,962,496 km (0.066 R)
• M13: 9,058,749 km (0.095 R)
• M14: 13,419,228 km (0.069 R)
• M15: 15,661,700 km (0.113 R)
• M16: 17,120,579 km (0.027 R)
• M17: 17,754,425 km (0.113 R)
• M18: 18,535,475 km (0.107 R)
• M19: 19,407,182 km (0.068 R)
• M20: 21,742,405 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 272.1

Radius: 3.6

Gravity: 21 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 12.77 AU - 20.13 AU

Year: 25546 Days

Day: 23.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 65,845,341 km

• M1: 56,398 km (0.116 R)
• M2: 182,809 km (0.084 R)
• M3: 345,721 km (0.089 R)
• M4: 707,897 km (0.042 R)
• M5: 898,784 km (0.092 R)
• M6: 1,520,363 km (0.095 R)
• M7: 2,180,838 km (0.093 R)
• M8: 3,063,914 km (0.119 R)
• M9: 3,459,451 km (0.104 R)
• M10: 3,978,107 km (0.101 R)
• M11: 4,816,154 km (0.102 R)
• M12: 6,746,415 km (0.111 R)
• M13: 10,814,131 km (0.042 R)
• M14: 14,328,933 km (0.052 R)
• M15: 14,688,417 km (0.118 R)
• M16: 15,651,079 km (0.108 R)
• M17: 18,115,255 km (0.078 R)
• M18: 19,746,620 km (0.093 R)
• M19: 20,734,564 km (0.11 R)
• M20: 30,911,707 km (0.061 R)
• M21: 36,458,048 km (0.107 R)
• M22: 61,786,314 km (0.109 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 423 - 12,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit