🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.25

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.52 AU - 0.76 AU

Year: 197 Days

Day: 30.3 Hours

Environment

Temp: 117 °C

Axial Tilt: 41.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 54,438,659 km

• M1: 133,441 km (0.088 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 2.74 AU - 3.1 AU

Year: 1921 Days

Day: 45.1 Hours

Environment

Temp: -106 °C

Axial Tilt: 18.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,438,659 km

• M1: 427,401 km (0.081 R)

Asteroid Belt

Center: 3.21 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.4 AU - 3.6 AU

Year: 2521 Days

Day: 25.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 34.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,438,659 km

• M1: 504,145 km (0.093 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.29

Radius: 1.39

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.32 AU - 4.02 AU

Year: 2707 Days

Day: 16.3 Hours

Environment

Temp: -122 °C

Axial Tilt: 29.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 54,438,659 km

• M1: 587,620 km (0.084 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.4

Radius: 12.6

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 4.06 AU - 4.24 AU

Year: 3255 Days

Day: 11.5 Hours

Environment

Temp: -132 °C

Axial Tilt: 77.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 54,438,659 km

• M1: 157,676 km (0.073 R)
• M2: 611,855 km (0.1 R)
• M3: 1,552,377 km (0.119 R)
• M4: 2,211,655 km (0.111 R)
• M5: 2,794,339 km (0.073 R)
• M6: 3,635,228 km (0.054 R)
• M7: 4,451,584 km (0.06 R)
• M8: 4,978,019 km (0.119 R)
• M9: 5,599,299 km (0.048 R)
• M10: 6,242,869 km (0.095 R)
• M11: 6,966,474 km (0.075 R)
• M12: 9,133,698 km (0.099 R)
• M13: 9,907,119 km (0.06 R)
• M14: 10,474,245 km (0.062 R)
• M15: 11,020,127 km (0.114 R)
• M16: 11,629,140 km (0.111 R)
• M17: 14,191,153 km (0.103 R)
• M18: 14,912,514 km (0.103 R)
• M19: 15,766,718 km (0.08 R)
• M20: 16,316,939 km (0.107 R)
• M21: 16,766,331 km (0.095 R)
• M22: 17,455,828 km (0.068 R)
• M23: 18,708,111 km (0.071 R)
• M24: 20,861,273 km (0.081 R)
• M25: 21,324,279 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.4

Radius: 11.6

Gravity: 6.73 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 9.41 AU - 11.59 AU

Year: 13099 Days

Day: 8.8 Hours

Environment

Temp: -181 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,438,659 km

• M1: 144,362 km (0.062 R)
• M2: 510,727 km (0.094 R)
• M3: 888,911 km (0.1 R)
• M4: 1,909,467 km (0.093 R)
• M5: 2,443,532 km (0.113 R)
• M6: 2,838,171 km (0.073 R)
• M7: 3,326,907 km (0.08 R)
• M8: 5,001,805 km (0.031 R)
• M9: 5,718,678 km (0.11 R)
• M10: 6,626,288 km (0.033 R)
• M11: 7,356,924 km (0.112 R)
• M12: 7,904,602 km (0.112 R)
• M13: 8,381,520 km (0.086 R)
• M14: 8,877,586 km (0.112 R)
• M15: 9,498,717 km (0.099 R)
• M16: 9,874,207 km (0.119 R)
• M17: 10,371,770 km (0.1 R)
• M18: 12,151,835 km (0.077 R)
• M19: 12,918,075 km (0.103 R)
• M20: 14,902,790 km (0.069 R)
• M21: 18,126,624 km (0.113 R)
• M22: 20,251,812 km (0.096 R)
• M23: 20,785,577 km (0.1 R)
• M24: 21,328,767 km (0.113 R)
• M25: 24,788,966 km (0.103 R)
• M26: 32,678,159 km (0.068 R)
• M27: 34,158,579 km (0.111 R)
• M28: 37,786,178 km (0.037 R)
• M29: 40,952,118 km (0.101 R)
• M30: 41,377,574 km (0.117 R)
• M31: 45,341,619 km (0.072 R)
• M32: 56,257,925 km (0.115 R)
• M33: 59,645,269 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.5

Radius: 4.9

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 13.49 AU - 14.71 AU

Year: 20384 Days

Day: 20.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 54,438,659 km

• M1: 61,036 km (0.097 R)
• M2: 880,383 km (0.114 R)
• M3: 1,267,543 km (0.108 R)
• M4: 2,068,939 km (0.097 R)
• M5: 2,313,381 km (0.088 R)
• M6: 3,115,974 km (0.101 R)
• M7: 5,851,970 km (0.093 R)
• M8: 8,294,753 km (0.098 R)
• M9: 9,107,967 km (0.112 R)
• M10: 17,310,269 km (0.048 R)
• M11: 20,357,278 km (0.099 R)
• M12: 20,783,034 km (0.106 R)
• M13: 28,111,684 km (0.087 R)
• M14: 29,389,698 km (0.067 R)
• M15: 31,153,457 km (0.099 R)
• M16: 35,254,982 km (0.085 R)
• M17: 36,364,998 km (0.098 R)
• M18: 54,112,991 km (0.099 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 354 - 14,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit