🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.84 AU - 1.04 AU

Year: 322 Days

Day: 25.8 Hours

Environment

Temp: 175 °C

Axial Tilt: 28.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.84

Radius: 1.28

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.86 AU - 1.28 AU

Year: 391 Days

Day: 18.5 Hours

Environment

Temp: 39 °C

Axial Tilt: 28.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.42 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.47

Radius: 1.64

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.18 AU - 1.66 AU

Year: 597 Days

Day: 15.7 Hours

Environment

Temp: 9 °C

Axial Tilt: 16.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 4 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.64

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.22 AU - 1.66 AU

Year: 610 Days

Day: 28.2 Hours

Environment

Temp: -1 °C

Axial Tilt: 17.1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.9 AU - 2.04 AU

Year: 976 Days

Day: 22.7 Hours

Environment

Temp: -43 °C

Axial Tilt: 34.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.67 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.2

Radius: 14.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 8.78 AU - 9.96 AU

Year: 10128 Days

Day: 12.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 46.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,576,252 km

• M1: 181,612 km (0.071 R)
• M2: 669,151 km (0.074 R)
• M3: 1,321,248 km (0.116 R)
• M4: 2,171,862 km (0.095 R)
• M5: 2,641,001 km (0.079 R)
• M6: 3,486,827 km (0.096 R)
• M7: 4,305,427 km (0.103 R)
• M8: 5,753,235 km (0.118 R)
• M9: 8,595,894 km (0.106 R)
• M10: 9,839,501 km (0.118 R)
• M11: 10,400,493 km (0.092 R)
• M12: 11,811,799 km (0.092 R)
• M13: 14,682,283 km (0.113 R)
• M14: 15,757,593 km (0.096 R)
• M15: 18,140,836 km (0.069 R)
• M16: 18,752,991 km (0.032 R)
• M17: 30,522,902 km (0.032 R)
• M18: 31,608,983 km (0.09 R)
• M19: 32,161,597 km (0.085 R)
• M20: 32,833,292 km (0.074 R)
• M21: 33,628,704 km (0.107 R)
• M22: 41,905,206 km (0.11 R)
• M23: 43,791,186 km (0.088 R)
• M24: 44,616,667 km (0.096 R)
• M25: 47,877,153 km (0.11 R)

Planet 7 - Ice Giant

Semi-Major Axis: 16.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 104.3

Radius: 6

Gravity: 2.9 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 14.44 AU - 17.58 AU

Year: 22620 Days

Day: 18.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 73,576,252 km

• M1: 104,569 km (0.064 R)
• M2: 306,526 km (0.111 R)
• M3: 500,106 km (0.094 R)
• M4: 1,586,037 km (0.086 R)
• M5: 2,341,207 km (0.117 R)
• M6: 2,606,892 km (0.086 R)
• M7: 3,065,111 km (0.106 R)
• M8: 3,799,786 km (0.081 R)
• M9: 4,332,504 km (0.093 R)
• M10: 5,745,157 km (0.049 R)
• M11: 7,440,250 km (0.115 R)
• M12: 7,807,064 km (0.077 R)
• M13: 8,016,052 km (0.079 R)
• M14: 8,401,566 km (0.111 R)
• M15: 8,710,037 km (0.097 R)
• M16: 10,416,649 km (0.117 R)
• M17: 11,725,481 km (0.099 R)
• M18: 11,999,844 km (0.06 R)
• M19: 13,317,352 km (0.062 R)
• M20: 13,555,961 km (0.074 R)
• M21: 14,041,705 km (0.075 R)
• M22: 16,853,696 km (0.093 R)
• M23: 18,798,917 km (0.026 R)
• M24: 21,373,796 km (0.063 R)
• M25: 24,888,448 km (0.117 R)
• M26: 26,546,292 km (0.111 R)
• M27: 38,183,959 km (0.116 R)
• M28: 38,908,312 km (0.052 R)
• M29: 40,634,073 km (0.057 R)
• M30: 41,897,427 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.12 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396

Radius: 5

Gravity: 15.84 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 15.78 AU - 18.46 AU

Year: 25012 Days

Day: 21.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 73,576,252 km

• M1: 62,831 km (0.11 R)
• M2: 239,057 km (0.075 R)
• M3: 910,752 km (0.025 R)
• M4: 1,091,167 km (0.079 R)
• M5: 1,339,350 km (0.047 R)
• M6: 1,590,973 km (0.101 R)
• M7: 1,836,613 km (0.092 R)
• M8: 2,656,260 km (0.036 R)
• M9: 2,900,852 km (0.118 R)
• M10: 3,435,216 km (0.065 R)
• M11: 4,389,501 km (0.083 R)
• M12: 4,627,361 km (0.03 R)
• M13: 5,989,001 km (0.068 R)
• M14: 7,549,457 km (0.092 R)
• M15: 7,792,553 km (0.114 R)
• M16: 8,040,736 km (0.12 R)
• M17: 10,398,847 km (0.112 R)
• M18: 12,426,946 km (0.07 R)
• M19: 14,779,821 km (0.06 R)
• M20: 15,237,291 km (0.106 R)
• M21: 16,100,471 km (0.115 R)
• M22: 21,681,219 km (0.12 R)
• M23: 23,381,848 km (0.032 R)
• M24: 23,587,695 km (0.055 R)
• M25: 24,317,433 km (0.052 R)
• M26: 35,896,159 km (0.118 R)
• M27: 54,914,237 km (0.098 R)
• M28: 62,694,074 km (0.058 R)
• M29: 62,892,441 km (0.095 R)

Kuiper Belt

Range: 31.1 - 56.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 280 - 12,682 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit