🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.87

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.53 AU - 0.61 AU

Year: 166 Days

Day: 26.9 Hours

Environment

Temp: 140 °C

Axial Tilt: 38 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 28,493,183 km

• M1: 62,532 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.11

Radius: 1.57

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 0.79 AU - 0.81 AU

Year: 275 Days

Day: 37.6 Hours

Environment

Temp: 31 °C

Axial Tilt: 13.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (2)

Outer Limit: 28,493,183 km

• M1: 188,045 km (0.044 R)
• M2: 492,327 km (0.064 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.87 AU - 1.03 AU

Year: 356 Days

Day: 20.7 Hours

Environment

Temp: 11 °C

Axial Tilt: 9.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.84 AU - 1.86 AU

Year: 969 Days

Day: 31.2 Hours

Environment

Temp: -86 °C

Axial Tilt: 14.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.94 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.3

Radius: 15

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 3.12 AU - 4.94 AU

Year: 3115 Days

Day: 5.4 Hours

Environment

Temp: -135 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,493,183 km

• M1: 186,549 km (0.08 R)
• M2: 771,476 km (0.104 R)
• M3: 1,484,908 km (0.052 R)
• M4: 1,981,723 km (0.098 R)
• M5: 2,783,418 km (0.116 R)
• M6: 3,307,160 km (0.059 R)
• M7: 4,721,309 km (0.105 R)
• M8: 6,361,500 km (0.065 R)
• M9: 6,871,629 km (0.075 R)
• M10: 7,605,556 km (0.092 R)
• M11: 8,426,549 km (0.06 R)
• M12: 10,327,190 km (0.089 R)
• M13: 12,732,724 km (0.119 R)
• M14: 15,491,308 km (0.08 R)
• M15: 16,252,761 km (0.109 R)
• M16: 18,087,280 km (0.114 R)
• M17: 19,551,095 km (0.101 R)
• M18: 22,714,043 km (0.105 R)
• M19: 23,911,873 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404

Radius: 10.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.15 AU - 6.07 AU

Year: 4447 Days

Day: 10.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 38.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 28,493,183 km

• M1: 135,536 km (0.045 R)
• M2: 508,184 km (0.102 R)
• M3: 863,329 km (0.096 R)
• M4: 1,353,711 km (0.095 R)
• M5: 1,705,416 km (0.048 R)
• M6: 2,976,848 km (0.075 R)
• M7: 5,394,798 km (0.08 R)
• M8: 6,619,107 km (0.036 R)
• M9: 6,983,229 km (0.103 R)
• M10: 7,952,324 km (0.102 R)
• M11: 8,899,278 km (0.111 R)
• M12: 9,418,981 km (0.066 R)
• M13: 10,478,583 km (0.082 R)
• M14: 11,185,433 km (0.115 R)
• M15: 14,536,575 km (0.1 R)
• M16: 16,275,650 km (0.103 R)
• M17: 18,445,268 km (0.111 R)
• M18: 19,229,909 km (0.07 R)
• M19: 20,036,540 km (0.056 R)
• M20: 20,544,126 km (0.034 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.1

Radius: 10

Gravity: 6.76 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.73 AU - 6.31 AU

Year: 4993 Days

Day: 6.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 28,493,183 km

• M1: 124,316 km (0.073 R)
• M2: 650,152 km (0.11 R)
• M3: 1,132,306 km (0.108 R)
• M4: 1,462,618 km (0.085 R)
• M5: 2,111,424 km (0.102 R)
• M6: 2,620,655 km (0.111 R)
• M7: 3,600,671 km (0.069 R)
• M8: 6,585,597 km (0.078 R)
• M9: 7,014,644 km (0.1 R)
• M10: 9,242,456 km (0.109 R)
• M11: 9,571,421 km (0.111 R)
• M12: 10,605,891 km (0.078 R)
• M13: 13,255,419 km (0.07 R)
• M14: 14,649,671 km (0.09 R)
• M15: 16,617,331 km (0.036 R)
• M16: 18,365,233 km (0.032 R)
• M17: 23,341,157 km (0.1 R)
• M18: 26,754,981 km (0.117 R)
• M19: 27,849,289 km (0.109 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 278.2

Radius: 13.4

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.39 AU - 7.69 AU

Year: 7192 Days

Day: 11.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,493,183 km

• M1: 166,652 km (0.073 R)
• M2: 614,548 km (0.116 R)
• M3: 1,309,729 km (0.103 R)
• M4: 2,782,520 km (0.093 R)
• M5: 4,149,546 km (0.113 R)
• M6: 4,879,434 km (0.096 R)
• M7: 7,874,234 km (0.116 R)
• M8: 8,648,103 km (0.089 R)
• M9: 9,112,754 km (0.103 R)
• M10: 9,966,210 km (0.11 R)
• M11: 10,827,894 km (0.066 R)
• M12: 11,506,171 km (0.085 R)
• M13: 11,974,113 km (0.095 R)
• M14: 12,406,002 km (0.089 R)
• M15: 13,454,533 km (0.108 R)
• M16: 14,833,676 km (0.059 R)
• M17: 16,363,464 km (0.046 R)
• M18: 17,015,860 km (0.03 R)
• M19: 20,610,847 km (0.075 R)
• M20: 21,093,300 km (0.071 R)
• M21: 22,296,216 km (0.053 R)
• M22: 23,246,612 km (0.089 R)
• M23: 26,909,067 km (0.083 R)
• M24: 27,402,740 km (0.112 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: 190 - 17,927 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit