🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 0.67 AU - 0.89 AU

Year: 244 Days

Day: 18.3 Hours

Environment

Temp: 199 °C

Axial Tilt: 45.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 80,852,720 km

• M1: 15,409 km (0.061 R)
• M2: 136,433 km (0.06 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.34 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.04 AU - 1.64 AU

Year: 550 Days

Day: 46.1 Hours

Environment

Temp: 5 °C

Axial Tilt: 18.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.35 AU - 1.99 AU

Year: 766 Days

Day: 18.5 Hours

Environment

Temp: -32 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,852,720 km

• M1: 148,102 km (0.064 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.84

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.81 AU - 1.93 AU

Year: 907 Days

Day: 35 Hours

Environment

Temp: -48 °C

Axial Tilt: 97.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.01 AU - 2.73 AU

Year: 1294 Days

Day: 38.2 Hours

Environment

Temp: -81 °C

Axial Tilt: 26 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.31

Radius: 1.79

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 3.63 AU - 3.91 AU

Year: 2597 Days

Day: 12.5 Hours

Environment

Temp: -110 °C

Axial Tilt: 5.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.02 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.3

Radius: 8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 5.15 AU - 7.39 AU

Year: 5570 Days

Day: 13.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,852,720 km

• M1: 100,530 km (0.059 R)
• M2: 351,106 km (0.083 R)
• M3: 691,890 km (0.085 R)
• M4: 1,119,890 km (0.108 R)
• M5: 1,517,820 km (0.059 R)
• M6: 1,845,589 km (0.088 R)
• M7: 2,708,320 km (0.027 R)
• M8: 3,071,843 km (0.104 R)
• M9: 4,209,983 km (0.063 R)
• M10: 4,472,228 km (0.088 R)
• M11: 5,151,702 km (0.108 R)
• M12: 5,924,973 km (0.118 R)
• M13: 6,255,285 km (0.111 R)
• M14: 8,535,905 km (0.07 R)
• M15: 10,073,023 km (0.106 R)
• M16: 12,309,511 km (0.113 R)
• M17: 14,214,490 km (0.106 R)
• M18: 14,558,416 km (0.113 R)
• M19: 15,571,493 km (0.108 R)
• M20: 18,833,624 km (0.056 R)
• M21: 19,548,702 km (0.106 R)

Planet 8 - Gas Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 512.1

Radius: 12.7

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.28 AU - 7.64 AU

Year: 7228 Days

Day: 8.8 Hours

Environment

Temp: -163 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,852,720 km

• M1: 159,172 km (0.116 R)
• M2: 555,307 km (0.073 R)
• M3: 991,235 km (0.092 R)
• M4: 1,388,867 km (0.12 R)
• M5: 1,953,599 km (0.06 R)
• M6: 2,544,361 km (0.1 R)
• M7: 3,088,897 km (0.078 R)
• M8: 4,596,993 km (0.063 R)
• M9: 5,147,812 km (0.083 R)
• M10: 6,823,757 km (0.093 R)
• M11: 7,505,475 km (0.106 R)
• M12: 8,797,103 km (0.086 R)
• M13: 9,259,061 km (0.089 R)
• M14: 9,693,044 km (0.075 R)
• M15: 20,538,142 km (0.112 R)
• M16: 32,587,353 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 504.5

Radius: 7.3

Gravity: 9.47 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 15.9 AU - 18.7 AU

Year: 25527 Days

Day: 16.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,852,720 km

• M1: 90,956 km (0.097 R)
• M2: 363,373 km (0.06 R)
• M3: 736,919 km (0.084 R)
• M4: 1,138,889 km (0.075 R)
• M5: 1,844,691 km (0.101 R)
• M6: 2,450,563 km (0.071 R)
• M7: 2,914,615 km (0.062 R)
• M8: 3,465,135 km (0.092 R)
• M9: 4,663,714 km (0.082 R)
• M10: 7,748,571 km (0.046 R)
• M11: 8,475,767 km (0.078 R)
• M12: 9,022,397 km (0.109 R)
• M13: 9,476,427 km (0.085 R)
• M14: 10,125,532 km (0.08 R)
• M15: 11,578,127 km (0.076 R)
• M16: 12,597,038 km (0.083 R)
• M17: 14,122,488 km (0.077 R)
• M18: 16,593,396 km (0.1 R)
• M19: 17,017,207 km (0.077 R)
• M20: 21,064,128 km (0.073 R)
• M21: 23,734,301 km (0.106 R)
• M22: 24,489,919 km (0.074 R)
• M23: 24,818,586 km (0.103 R)
• M24: 25,709,591 km (0.119 R)
• M25: 29,735,419 km (0.095 R)
• M26: 30,740,268 km (0.086 R)
• M27: 35,125,131 km (0.075 R)
• M28: 37,249,271 km (0.112 R)
• M29: 56,451,654 km (0.084 R)
• M30: 61,756,694 km (0.117 R)
• M31: 68,463,017 km (0.102 R)
• M32: 74,028,207 km (0.048 R)
• M33: 74,715,609 km (0.115 R)
• M34: 76,569,576 km (0.086 R)
• M35: 79,647,402 km (0.038 R)

Kuiper Belt

Range: 30.9 - 49.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 406 - 14,246 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit