🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.52

Radius: 1.18

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 0.56 AU - 0.82 AU

Year: 219 Days

Day: 26.5 Hours

Environment

Temp: 173 °C

Axial Tilt: 7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 56,149,105 km

• M1: 78,688 km (0.082 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.81 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.14

Radius: 1.58

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.62 AU - 1 AU

Year: 279 Days

Day: 28.5 Hours

Environment

Temp: 34 °C

Axial Tilt: 0.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 0.93 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.49

Radius: 1.44

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.78 AU - 1.08 AU

Year: 343 Days

Day: 37.2 Hours

Environment

Temp: 23 °C

Axial Tilt: 8.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.88

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.57 AU - 3.31 AU

Year: 1930 Days

Day: 47 Hours

Environment

Temp: -110 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,149,105 km

• M1: 94,247 km (0.045 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.22 AU - 4.28 AU

Year: 2780 Days

Day: 41.5 Hours

Environment

Temp: -133 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 56,149,105 km

• M1: 1,058,704 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 980.5

Radius: 14.4

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 3.44 AU - 4.78 AU

Year: 3190 Days

Day: 7.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,149,105 km

• M1: 179,817 km (0.117 R)
• M2: 645,066 km (0.106 R)
• M3: 1,137,542 km (0.093 R)
• M4: 1,653,206 km (0.067 R)
• M5: 2,569,194 km (0.056 R)
• M6: 3,089,346 km (0.105 R)
• M7: 3,740,994 km (0.088 R)
• M8: 4,437,073 km (0.101 R)
• M9: 5,090,516 km (0.063 R)
• M10: 5,779,863 km (0.072 R)
• M11: 6,234,491 km (0.113 R)
• M12: 7,088,246 km (0.061 R)
• M13: 10,204,071 km (0.112 R)
• M14: 10,871,277 km (0.036 R)
• M15: 13,000,953 km (0.035 R)
• M16: 16,726,688 km (0.118 R)
• M17: 17,952,642 km (0.104 R)
• M18: 20,583,321 km (0.116 R)
• M19: 23,966,028 km (0.095 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.4

Radius: 9.5

Gravity: 9.84 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 8.94 AU - 9.04 AU

Year: 10321 Days

Day: 11.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 56,149,105 km

• M1: 118,182 km (0.057 R)
• M2: 433,983 km (0.073 R)
• M3: 950,395 km (0.077 R)
• M4: 1,275,023 km (0.087 R)
• M5: 1,659,340 km (0.105 R)
• M6: 2,603,302 km (0.095 R)
• M7: 3,816,242 km (0.119 R)
• M8: 4,875,544 km (0.104 R)
• M9: 6,157,448 km (0.091 R)
• M10: 7,436,211 km (0.091 R)
• M11: 8,835,998 km (0.107 R)
• M12: 10,564,751 km (0.085 R)
• M13: 13,437,180 km (0.084 R)
• M14: 14,081,498 km (0.095 R)
• M15: 16,792,959 km (0.062 R)
• M16: 18,154,450 km (0.09 R)
• M17: 18,782,611 km (0.115 R)
• M18: 21,182,011 km (0.119 R)
• M19: 24,246,823 km (0.114 R)
• M20: 27,698,345 km (0.056 R)
• M21: 28,112,432 km (0.095 R)
• M22: 28,741,641 km (0.116 R)
• M23: 29,059,536 km (0.112 R)
• M24: 29,919,125 km (0.051 R)
• M25: 35,802,211 km (0.109 R)
• M26: 37,542,633 km (0.087 R)
• M27: 38,561,993 km (0.087 R)
• M28: 41,460,601 km (0.101 R)
• M29: 42,549,674 km (0.116 R)
• M30: 50,405,357 km (0.114 R)
• M31: 50,868,063 km (0.097 R)
• M32: 52,116,009 km (0.097 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.5

Radius: 10.9

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.2 AU - 11.84 AU

Year: 11247 Days

Day: 12.1 Hours

Environment

Temp: -179 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 56,149,105 km

• M1: 142,118 km (0.093 R)
• M2: 684,560 km (0.093 R)
• M3: 1,459,776 km (0.096 R)
• M4: 3,113,132 km (0.08 R)
• M5: 3,535,446 km (0.118 R)
• M6: 4,405,208 km (0.082 R)
• M7: 5,623,384 km (0.114 R)
• M8: 6,253,041 km (0.111 R)
• M9: 6,685,230 km (0.118 R)
• M10: 9,153,146 km (0.071 R)
• M11: 9,659,684 km (0.073 R)
• M12: 10,025,152 km (0.066 R)
• M13: 10,400,044 km (0.057 R)
• M14: 11,292,096 km (0.113 R)
• M15: 11,639,612 km (0.096 R)
• M16: 11,994,159 km (0.12 R)
• M17: 12,662,861 km (0.099 R)
• M18: 14,888,130 km (0.099 R)
• M19: 15,589,445 km (0.045 R)
• M20: 16,020,586 km (0.082 R)
• M21: 16,757,056 km (0.064 R)
• M22: 17,209,739 km (0.118 R)
• M23: 20,353,389 km (0.069 R)
• M24: 20,695,968 km (0.08 R)
• M25: 25,114,491 km (0.113 R)
• M26: 25,608,014 km (0.087 R)
• M27: 26,819,308 km (0.091 R)
• M28: 27,962,684 km (0.078 R)
• M29: 32,745,628 km (0.05 R)
• M30: 38,307,228 km (0.081 R)
• M31: 40,697,802 km (0.106 R)
• M32: 41,105,755 km (0.117 R)
• M33: 45,921,011 km (0.117 R)
• M34: 48,464,175 km (0.105 R)
• M35: 53,666,142 km (0.062 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 11,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit