🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 0.49 AU - 0.59 AU

Year: 139 Days

Day: 19.5 Hours

Environment

Temp: 221 °C

Axial Tilt: 12.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 19,416,560 km

• M1: 26,778 km (0.098 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.24

Radius: 1.09

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.66 AU - 0.66 AU

Year: 188 Days

Day: 35 Hours

Environment

Temp: 146 °C

Axial Tilt: 9.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 19,416,560 km

• M1: 124,465 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.22 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.21

Radius: 0.54

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.99 AU - 1.45 AU

Year: 471 Days

Day: 32.5 Hours

Environment

Temp: 17 °C

Axial Tilt: 38.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 19,416,560 km

• M1: 17,952 km (0.035 R)
• M2: 210,484 km (0.112 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.07

Radius: 1.57

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.1 AU - 1.54 AU

Year: 531 Days

Day: 27.4 Hours

Environment

Temp: 2 °C

Axial Tilt: 65 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.33

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 2.85 AU - 3.13 AU

Year: 1809 Days

Day: 15.6 Hours

Environment

Temp: -83 °C

Axial Tilt: 19.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 19,416,560 km

• M1: 516,861 km (0.083 R)

Planet 6 - Terrestrial

Semi-Major Axis: 4.26 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.17

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 3.39 AU - 5.13 AU

Year: 3076 Days

Day: 38.6 Hours

Environment

Temp: -122 °C

Axial Tilt: 6.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.5

Radius: 8.4

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.71 AU - 7.73 AU

Year: 6094 Days

Day: 11 Hours

Environment

Temp: -146 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 19,416,560 km

• M1: 104,868 km (0.03 R)
• M2: 439,519 km (0.118 R)
• M3: 1,023,698 km (0.113 R)
• M4: 1,370,017 km (0.094 R)
• M5: 1,781,262 km (0.111 R)
• M6: 2,258,479 km (0.08 R)
• M7: 3,254,053 km (0.086 R)
• M8: 4,012,813 km (0.085 R)
• M9: 4,686,153 km (0.086 R)
• M10: 5,514,178 km (0.108 R)
• M11: 6,682,238 km (0.078 R)
• M12: 7,937,364 km (0.115 R)
• M13: 8,220,403 km (0.118 R)
• M14: 10,145,578 km (0.103 R)
• M15: 12,638,327 km (0.088 R)
• M16: 13,221,161 km (0.073 R)
• M17: 13,519,309 km (0.115 R)
• M18: 18,983,970 km (0.049 R)
• M19: 21,338,640 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70

Radius: 11.3

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 6.17 AU - 10.03 AU

Year: 8065 Days

Day: 5 Hours

Environment

Temp: -162 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 19,416,560 km

• M1: 140,622 km (0.103 R)
• M2: 537,056 km (0.115 R)
• M3: 1,070,223 km (0.098 R)
• M4: 2,464,326 km (0.082 R)
• M5: 3,767,024 km (0.115 R)
• M6: 5,264,947 km (0.114 R)
• M7: 6,894,966 km (0.075 R)
• M8: 7,365,302 km (0.105 R)
• M9: 8,602,177 km (0.097 R)
• M10: 11,003,671 km (0.106 R)
• M11: 11,606,401 km (0.078 R)
• M12: 13,867,423 km (0.071 R)
• M13: 14,475,688 km (0.094 R)
• M14: 15,745,625 km (0.053 R)
• M15: 17,462,559 km (0.091 R)

Kuiper Belt

Range: 31.4 - 55.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 275 - 13,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit