🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.55 AU - 0.71 AU

Year: 186 Days

Day: 32.9 Hours

Environment

Temp: 186 °C

Axial Tilt: 18.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.99

Radius: 1.55

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.56 AU - 0.76 AU

Year: 200 Days

Day: 34.8 Hours

Environment

Temp: 140 °C

Axial Tilt: 20.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.77 AU - 0.81 AU

Year: 262 Days

Day: 23.6 Hours

Environment

Temp: 154 °C

Axial Tilt: 14.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.44

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.82 AU - 1.02 AU

Year: 329 Days

Day: 15.4 Hours

Environment

Temp: 31 °C

Axial Tilt: 37.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 49,002,037 km

• M1: 314,156 km (0.091 R)
• M2: 347,366 km (0.114 R)

Planet 5 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.74 AU - 1.2 AU

Year: 356 Days

Day: 15.6 Hours

Environment

Temp: 21 °C

Axial Tilt: 15.7 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 49,002,037 km

• M1: 114,592 km (0.115 R)
• M2: 296,204 km (0.107 R)

Planet 6 - Terrestrial

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 1.42 AU - 1.66 AU

Year: 712 Days

Day: 38.4 Hours

Environment

Temp: -42 °C

Axial Tilt: 39.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,002,037 km

• M1: 39,793 km (0.037 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.13

Radius: 1.35

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.83 AU - 2.53 AU

Year: 1200 Days

Day: 17.1 Hours

Environment

Temp: -71 °C

Axial Tilt: 35.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.11 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.7

Radius: 9.5

Gravity: 8.44 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.86 AU - 7.22 AU

Year: 5534 Days

Day: 5.4 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,002,037 km

• M1: 118,182 km (0.04 R)
• M2: 579,243 km (0.09 R)
• M3: 1,200,822 km (0.065 R)
• M4: 2,006,706 km (0.076 R)
• M5: 3,137,217 km (0.059 R)
• M6: 3,471,568 km (0.097 R)
• M7: 4,490,629 km (0.045 R)
• M8: 5,577,009 km (0.066 R)
• M9: 7,108,442 km (0.115 R)
• M10: 7,876,328 km (0.06 R)
• M11: 8,221,899 km (0.067 R)
• M12: 8,617,885 km (0.106 R)
• M13: 9,362,583 km (0.051 R)
• M14: 10,421,436 km (0.08 R)
• M15: 12,106,058 km (0.096 R)
• M16: 13,093,105 km (0.082 R)
• M17: 14,472,248 km (0.119 R)
• M18: 15,167,579 km (0.089 R)
• M19: 15,463,932 km (0.084 R)
• M20: 17,194,929 km (0.109 R)
• M21: 19,120,104 km (0.049 R)
• M22: 22,462,120 km (0.075 R)
• M23: 23,080,558 km (0.101 R)
• M24: 26,601,194 km (0.083 R)
• M25: 29,076,889 km (0.057 R)
• M26: 29,997,215 km (0.107 R)

Planet 9 - Gas Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 599

Radius: 12.5

Gravity: 3.83 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 9.35 AU - 9.81 AU

Year: 11054 Days

Day: 6 Hours

Environment

Temp: -181 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 49,002,037 km

• M1: 158,873 km (0.068 R)
• M2: 742,005 km (0.11 R)
• M3: 1,422,227 km (0.072 R)
• M4: 1,879,099 km (0.047 R)
• M5: 3,030,703 km (0.118 R)
• M6: 3,931,731 km (0.092 R)
• M7: 4,972,334 km (0.078 R)
• M8: 5,591,370 km (0.076 R)
• M9: 6,634,965 km (0.08 R)
• M10: 7,847,007 km (0.072 R)
• M11: 9,884,530 km (0.043 R)
• M12: 11,242,729 km (0.067 R)
• M13: 11,740,740 km (0.106 R)
• M14: 12,840,584 km (0.083 R)
• M15: 15,855,729 km (0.049 R)
• M16: 17,935,289 km (0.039 R)
• M17: 18,846,938 km (0.079 R)
• M18: 22,804,849 km (0.093 R)
• M19: 23,514,392 km (0.101 R)
• M20: 24,330,298 km (0.118 R)
• M21: 25,541,892 km (0.1 R)
• M22: 28,186,333 km (0.112 R)
• M23: 30,365,675 km (0.088 R)
• M24: 31,008,347 km (0.081 R)
• M25: 31,660,145 km (0.065 R)
• M26: 32,543,371 km (0.118 R)
• M27: 33,556,598 km (0.068 R)
• M28: 36,601,961 km (0.102 R)
• M29: 39,192,548 km (0.11 R)
• M30: 40,856,226 km (0.061 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 515 - 15,340 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit