🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.41

Radius: 1.15

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.61 AU - 0.71 AU

Year: 200 Days

Day: 12.7 Hours

Environment

Temp: 184 °C

Axial Tilt: 11 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.73 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.69

Radius: 1.23

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.68 AU - 0.78 AU

Year: 233 Days

Day: 21 Hours

Environment

Temp: 156 °C

Axial Tilt: 8.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.79 AU - 0.91 AU

Year: 292 Days

Day: 46.1 Hours

Environment

Temp: 141 °C

Axial Tilt: 47.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 36,372,426 km

• M1: 40,691 km (0.06 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.98 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.94 AU - 1.02 AU

Year: 362 Days

Day: 26.5 Hours

Environment

Temp: 32 °C

Axial Tilt: 6.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.92 AU - 2.3 AU

Year: 1143 Days

Day: 30.1 Hours

Environment

Temp: -73 °C

Axial Tilt: 28.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.89 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.22 AU - 4.12 AU

Year: 2621 Days

Day: 22.1 Hours

Environment

Temp: -114 °C

Axial Tilt: 33.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 36,372,426 km

• M1: 293,212 km (0.111 R)
• M2: 420,819 km (0.069 R)

Planet 7 - Terrestrial

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.69

Radius: 0.86

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 3.9 AU - 4.82 AU

Year: 3394 Days

Day: 26.5 Hours

Environment

Temp: -128 °C

Axial Tilt: 25.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.88 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879

Radius: 11.5

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 4.25 AU - 6.53 AU

Year: 4665 Days

Day: 10.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,372,426 km

• M1: 144,212 km (0.063 R)
• M2: 872,604 km (0.07 R)
• M3: 1,305,092 km (0.082 R)
• M4: 1,672,055 km (0.046 R)
• M5: 2,404,487 km (0.104 R)
• M6: 3,003,925 km (0.046 R)
• M7: 3,678,911 km (0.077 R)
• M8: 4,553,460 km (0.095 R)
• M9: 5,767,896 km (0.082 R)
• M10: 7,256,694 km (0.043 R)
• M11: 7,756,949 km (0.074 R)
• M12: 8,550,565 km (0.12 R)
• M13: 9,190,844 km (0.113 R)
• M14: 9,649,362 km (0.099 R)
• M15: 12,027,669 km (0.065 R)
• M16: 13,142,771 km (0.065 R)
• M17: 14,380,843 km (0.047 R)
• M18: 19,704,134 km (0.076 R)
• M19: 23,335,921 km (0.081 R)
• M20: 24,666,146 km (0.102 R)
• M21: 26,046,336 km (0.072 R)
• M22: 27,907,932 km (0.083 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 395.2

Radius: 10.7

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 6.42 AU - 9.48 AU

Year: 8356 Days

Day: 9.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 36,372,426 km

• M1: 133,142 km (0.04 R)
• M2: 789,428 km (0.035 R)
• M3: 1,447,060 km (0.108 R)
• M4: 3,936,668 km (0.059 R)
• M5: 6,698,843 km (0.072 R)
• M6: 7,789,112 km (0.099 R)
• M7: 8,993,674 km (0.103 R)
• M8: 9,335,057 km (0.11 R)
• M9: 12,970,285 km (0.06 R)
• M10: 13,909,311 km (0.039 R)
• M11: 14,657,450 km (0.089 R)
• M12: 15,675,912 km (0.085 R)
• M13: 19,507,413 km (0.108 R)
• M14: 20,153,227 km (0.078 R)
• M15: 32,620,564 km (0.032 R)

Planet 10 - Ice Giant

Semi-Major Axis: 13.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 86

Radius: 6.2

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 12.51 AU - 14.65 AU

Year: 18655 Days

Day: 16 Hours

Environment

Temp: -187 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,372,426 km

• M1: 105,317 km (0.119 R)
• M2: 306,975 km (0.06 R)
• M3: 962,363 km (0.111 R)
• M4: 2,902,797 km (0.072 R)
• M5: 3,518,542 km (0.116 R)
• M6: 4,399,673 km (0.112 R)
• M7: 5,572,969 km (0.026 R)
• M8: 7,761,138 km (0.108 R)
• M9: 8,519,748 km (0.066 R)
• M10: 9,152,697 km (0.064 R)
• M11: 19,725,377 km (0.06 R)
• M12: 20,089,199 km (0.088 R)
• M13: 35,615,513 km (0.104 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 194 - 19,171 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit