🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.53

Radius: 0.78

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.7 AU - 0.84 AU

Year: 249 Days

Day: 42.6 Hours

Environment

Temp: 186 °C

Axial Tilt: 18.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 49,494,917 km

• M1: 18,401 km (0.053 R)
• M2: 34,557 km (0.12 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.82 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.43

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.65 AU - 0.99 AU

Year: 274 Days

Day: 39.8 Hours

Environment

Temp: 78 °C

Axial Tilt: 17.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.19 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.01

Radius: 1.55

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 1.16 AU - 1.22 AU

Year: 479 Days

Day: 27.5 Hours

Environment

Temp: 17 °C

Axial Tilt: 58.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 49,494,917 km

• M1: 501,302 km (0.037 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.98 AU - 3.02 AU

Year: 1458 Days

Day: 20.1 Hours

Environment

Temp: -90 °C

Axial Tilt: 37.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,494,917 km

• M1: 1,294,620 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.01

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.9 AU - 3.82 AU

Year: 2272 Days

Day: 48 Hours

Environment

Temp: -120 °C

Axial Tilt: 21.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,494,917 km

• M1: 1,739,524 km (0.058 R)

Asteroid Belt

Center: 4.01 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.6

Radius: 8.2

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 4.37 AU - 4.95 AU

Year: 3712 Days

Day: 9.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 49,494,917 km

• M1: 102,026 km (0.106 R)
• M2: 515,215 km (0.119 R)
• M3: 1,987,408 km (0.115 R)
• M4: 2,310,090 km (0.074 R)
• M5: 3,816,840 km (0.046 R)
• M6: 4,258,303 km (0.095 R)
• M7: 4,819,744 km (0.112 R)
• M8: 5,336,006 km (0.025 R)
• M9: 7,539,583 km (0.036 R)
• M10: 13,081,436 km (0.116 R)
• M11: 15,045,357 km (0.086 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 43.2

Radius: 13.7

Gravity: 0.23 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.18 AU - 10.44 AU

Year: 11337 Days

Day: 13.3 Hours

Environment

Temp: -180 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,494,917 km

• M1: 170,542 km (0.12 R)
• M2: 857,196 km (0.103 R)
• M3: 1,390,811 km (0.072 R)
• M4: 2,502,922 km (0.096 R)
• M5: 3,519,140 km (0.082 R)
• M6: 4,438,868 km (0.088 R)
• M7: 5,588,827 km (0.096 R)
• M8: 6,111,971 km (0.058 R)
• M9: 6,841,111 km (0.116 R)
• M10: 8,574,950 km (0.118 R)
• M11: 9,784,000 km (0.113 R)
• M12: 13,347,571 km (0.093 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 117.4

Radius: 11

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 9.29 AU - 12.69 AU

Year: 13442 Days

Day: 6.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 49,494,917 km

• M1: 137,630 km (0.088 R)
• M2: 1,486,105 km (0.049 R)
• M3: 1,894,807 km (0.119 R)
• M4: 2,529,251 km (0.049 R)
• M5: 4,053,504 km (0.025 R)
• M6: 4,917,282 km (0.099 R)
• M7: 6,836,772 km (0.096 R)
• M8: 7,182,044 km (0.029 R)
• M9: 7,870,344 km (0.072 R)
• M10: 9,128,612 km (0.07 R)
• M11: 10,112,517 km (0.111 R)
• M12: 12,544,978 km (0.094 R)
• M13: 13,064,083 km (0.11 R)
• M14: 20,249,867 km (0.103 R)
• M15: 21,109,756 km (0.097 R)
• M16: 22,068,528 km (0.08 R)
• M17: 22,444,917 km (0.115 R)
• M18: 22,825,643 km (0.083 R)
• M19: 26,532,978 km (0.103 R)
• M20: 29,337,040 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 15.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.1

Radius: 5.7

Gravity: 4.65 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 13.31 AU - 17.53 AU

Year: 22341 Days

Day: 17.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,494,917 km

• M1: 71,807 km (0.08 R)
• M2: 373,845 km (0.093 R)
• M3: 704,157 km (0.032 R)
• M4: 2,677,203 km (0.12 R)
• M5: 4,167,198 km (0.109 R)
• M6: 7,896,673 km (0.087 R)
• M7: 10,169,962 km (0.036 R)
• M8: 13,706,755 km (0.118 R)
• M9: 17,389,256 km (0.08 R)
• M10: 23,615,520 km (0.1 R)
• M11: 25,281,143 km (0.112 R)
• M12: 33,982,204 km (0.064 R)
• M13: 41,648,047 km (0.115 R)
• M14: 43,934,950 km (0.064 R)
• M15: 48,318,167 km (0.071 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 446 - 13,845 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit