🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.45

Radius: 1.82

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.42 AU - 0.62 AU

Year: 136 Days

Day: 18.5 Hours

Environment

Temp: 210 °C

Axial Tilt: 2.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,549,354 km

• M1: 43,683 km (0.079 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 0.72 AU - 0.74 AU

Year: 226 Days

Day: 41.9 Hours

Environment

Temp: 185 °C

Axial Tilt: 37.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 83,549,354 km

• M1: 77,940 km (0.075 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.1

Radius: 0.4

Gravity: 0.63 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.97 AU - 1.07 AU

Year: 373 Days

Day: 18.7 Hours

Environment

Temp: 20 °C

Axial Tilt: 35.8 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 1.07 AU - 1.49 AU

Year: 524 Days

Day: 30.9 Hours

Environment

Temp: -3 °C

Axial Tilt: 2.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 5 - Terrestrial

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.26

Radius: 1.1

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 3 AU - 3.5 AU

Year: 2119 Days

Day: 14.3 Hours

Environment

Temp: -111 °C

Axial Tilt: 44.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.47 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.5

Radius: 12.5

Gravity: 0.18 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.27 AU - 9.11 AU

Year: 7712 Days

Day: 14.6 Hours

Environment

Temp: -169 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 83,549,354 km

• M1: 158,275 km (0.114 R)
• M2: 565,929 km (0.083 R)
• M3: 1,913,058 km (0.106 R)
• M4: 3,329,899 km (0.081 R)
• M5: 4,096,887 km (0.047 R)
• M6: 5,019,308 km (0.116 R)
• M7: 5,936,044 km (0.095 R)
• M8: 6,606,990 km (0.075 R)
• M9: 9,360,937 km (0.08 R)
• M10: 10,372,069 km (0.092 R)
• M11: 11,636,022 km (0.05 R)
• M12: 12,305,322 km (0.107 R)
• M13: 13,277,409 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777.8

Radius: 11.3

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 8.39 AU - 12.53 AU

Year: 12235 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 83,549,354 km

• M1: 140,472 km (0.08 R)
• M2: 550,819 km (0.106 R)
• M3: 1,214,436 km (0.114 R)
• M4: 1,575,864 km (0.096 R)
• M5: 2,629,183 km (0.093 R)
• M6: 3,396,919 km (0.108 R)
• M7: 4,308,119 km (0.103 R)
• M8: 4,837,546 km (0.044 R)
• M9: 5,340,345 km (0.099 R)
• M10: 5,767,447 km (0.041 R)
• M11: 8,780,946 km (0.044 R)
• M12: 10,652,565 km (0.084 R)
• M13: 11,506,021 km (0.065 R)
• M14: 13,805,939 km (0.097 R)
• M15: 14,751,248 km (0.072 R)
• M16: 18,003,655 km (0.047 R)
• M17: 19,296,480 km (0.036 R)
• M18: 19,796,885 km (0.11 R)
• M19: 20,305,966 km (0.113 R)
• M20: 23,545,957 km (0.112 R)
• M21: 24,310,103 km (0.11 R)
• M22: 25,888,061 km (0.08 R)
• M23: 27,849,289 km (0.112 R)
• M24: 28,488,671 km (0.111 R)
• M25: 29,576,097 km (0.095 R)
• M26: 37,976,018 km (0.06 R)
• M27: 55,507,991 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 20.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.5

Radius: 6.8

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 16.2 AU - 24.2 AU

Year: 32834 Days

Day: 18 Hours

Environment

Temp: -198 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 83,549,354 km

• M1: 85,420 km (0.102 R)
• M2: 480,359 km (0.109 R)
• M3: 1,048,083 km (0.065 R)
• M4: 1,691,204 km (0.108 R)
• M5: 2,037,074 km (0.104 R)
• M6: 2,249,204 km (0.119 R)
• M7: 2,619,459 km (0.111 R)
• M8: 3,423,248 km (0.097 R)
• M9: 4,176,623 km (0.119 R)
• M10: 10,833,728 km (0.042 R)
• M11: 14,899,948 km (0.065 R)
• M12: 18,567,489 km (0.06 R)
• M13: 19,594,030 km (0.099 R)
• M14: 19,976,552 km (0.044 R)
• M15: 21,354,797 km (0.117 R)
• M16: 23,431,814 km (0.094 R)
• M17: 26,677,489 km (0.09 R)
• M18: 33,090,451 km (0.045 R)
• M19: 35,296,271 km (0.12 R)
• M20: 37,451,528 km (0.075 R)
• M21: 40,151,769 km (0.071 R)
• M22: 41,079,874 km (0.05 R)
• M23: 42,658,431 km (0.12 R)
• M24: 43,624,833 km (0.108 R)
• M25: 48,328,041 km (0.069 R)
• M26: 71,419,519 km (0.115 R)
• M27: 74,159,853 km (0.111 R)
• M28: 83,049,557 km (0.067 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 282 - 19,425 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit