🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.61 AU - 0.65 AU

Year: 175 Days

Day: 38 Hours

Environment

Temp: 162 °C

Axial Tilt: 37.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.28 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.71

Radius: 1.24

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 1.02 AU - 1.54 AU

Year: 507 Days

Day: 32.8 Hours

Environment

Temp: 5 °C

Axial Tilt: 8.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.63

Radius: 0.83

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.22 AU - 1.44 AU

Year: 537 Days

Day: 26.8 Hours

Environment

Temp: 17 °C

Axial Tilt: 0.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.05

Radius: 1.02

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.22 AU - 1.66 AU

Year: 605 Days

Day: 31.1 Hours

Environment

Temp: -6 °C

Axial Tilt: 34.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.97

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 1.29 AU - 1.73 AU

Year: 649 Days

Day: 41.2 Hours

Environment

Temp: -0 °C

Axial Tilt: 36.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 1.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 1.4 AU - 2.16 AU

Year: 831 Days

Day: 33.7 Hours

Environment

Temp: -36 °C

Axial Tilt: 73 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Terrestrial

Semi-Major Axis: 2.14 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.02 AU - 2.26 AU

Year: 1095 Days

Day: 42.8 Hours

Environment

Temp: -60 °C

Axial Tilt: 19 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.21 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.9

Radius: 10.4

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 7.78 AU - 8.78 AU

Year: 8335 Days

Day: 6.3 Hours

Environment

Temp: -169 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 100,979,157 km

• M1: 130,898 km (0.088 R)
• M2: 803,789 km (0.076 R)
• M3: 1,437,187 km (0.046 R)
• M4: 2,920,898 km (0.095 R)
• M5: 4,905,314 km (0.115 R)
• M6: 5,239,815 km (0.118 R)
• M7: 7,225,278 km (0.097 R)
• M8: 7,579,376 km (0.104 R)
• M9: 8,537,251 km (0.097 R)
• M10: 12,059,683 km (0.118 R)
• M11: 15,010,650 km (0.064 R)
• M12: 17,133,444 km (0.07 R)
• M13: 18,557,765 km (0.085 R)
• M14: 20,918,869 km (0.118 R)
• M15: 26,880,493 km (0.105 R)
• M16: 27,447,021 km (0.106 R)
• M17: 33,449,037 km (0.104 R)
• M18: 33,994,620 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.9

Radius: 4.2

Gravity: 2.6 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 14.76 AU - 21.24 AU

Year: 26717 Days

Day: 20.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 100,979,157 km

• M1: 52,958 km (0.088 R)
• M2: 374,743 km (0.07 R)
• M3: 12,946,948 km (0.094 R)
• M4: 16,162,404 km (0.07 R)
• M5: 17,680,075 km (0.045 R)
• M6: 22,798,416 km (0.102 R)
• M7: 28,540,880 km (0.032 R)
• M8: 30,454,387 km (0.08 R)

Planet 10 - Ice Giant

Semi-Major Axis: 18.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 801.5

Radius: 4.8

Gravity: 34.79 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 15.72 AU - 21.66 AU

Year: 28268 Days

Day: 22 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 100,979,157 km

• M1: 61,335 km (0.057 R)
• M2: 313,557 km (0.062 R)
• M3: 521,349 km (0.088 R)
• M4: 1,319,902 km (0.111 R)
• M5: 1,655,600 km (0.061 R)
• M6: 2,227,961 km (0.099 R)
• M7: 2,703,533 km (0.095 R)
• M8: 3,095,330 km (0.072 R)
• M9: 3,719,452 km (0.061 R)
• M10: 6,232,247 km (0.082 R)
• M11: 6,615,966 km (0.082 R)
• M12: 7,590,147 km (0.12 R)
• M13: 8,952,834 km (0.07 R)
• M14: 10,807,249 km (0.057 R)
• M15: 14,746,610 km (0.039 R)
• M16: 16,667,596 km (0.096 R)
• M17: 18,946,720 km (0.064 R)
• M18: 21,104,220 km (0.044 R)
• M19: 21,317,846 km (0.03 R)
• M20: 22,077,055 km (0.047 R)
• M21: 25,656,484 km (0.067 R)
• M22: 26,888,871 km (0.088 R)
• M23: 30,006,640 km (0.091 R)
• M24: 33,068,759 km (0.037 R)
• M25: 41,957,565 km (0.091 R)
• M26: 43,665,075 km (0.096 R)
• M27: 55,907,267 km (0.12 R)
• M28: 59,236,418 km (0.072 R)
• M29: 60,518,173 km (0.058 R)
• M30: 65,603,005 km (0.066 R)
• M31: 71,926,656 km (0.06 R)
• M32: 73,385,086 km (0.074 R)
• M33: 82,286,907 km (0.056 R)

Kuiper Belt

Range: 31.4 - 49.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 13,105 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit