🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.43

Radius: 0.71

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.66 AU - 1.04 AU

Year: 295 Days

Day: 12.1 Hours

Environment

Temp: 103 °C

Axial Tilt: 24.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 49,098,926 km

• M1: 32,313 km (0.058 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.04 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.85 AU - 1.23 AU

Year: 400 Days

Day: 46.5 Hours

Environment

Temp: 23 °C

Axial Tilt: 25.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.98

Radius: 0.99

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.05 AU - 2.11 AU

Year: 1130 Days

Day: 34.9 Hours

Environment

Temp: -84 °C

Axial Tilt: 8.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2.58 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Terrestrial

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.72

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.97 AU - 3.19 AU

Year: 2036 Days

Day: 22.5 Hours

Environment

Temp: -103 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.91 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 4.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.5

Radius: 11.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.63 AU - 5.85 AU

Year: 3888 Days

Day: 5.4 Hours

Environment

Temp: -147 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,098,926 km

• M1: 143,165 km (0.061 R)
• M2: 680,820 km (0.056 R)
• M3: 1,120,189 km (0.078 R)
• M4: 1,528,890 km (0.077 R)
• M5: 1,900,791 km (0.066 R)
• M6: 2,406,132 km (0.116 R)
• M7: 2,805,409 km (0.115 R)
• M8: 3,706,437 km (0.026 R)
• M9: 4,408,051 km (0.082 R)
• M10: 5,051,621 km (0.084 R)
• M11: 7,523,576 km (0.093 R)
• M12: 7,960,851 km (0.067 R)
• M13: 9,067,875 km (0.098 R)
• M14: 11,300,773 km (0.112 R)
• M15: 11,729,819 km (0.109 R)
• M16: 12,132,687 km (0.076 R)
• M17: 12,506,980 km (0.094 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.9

Radius: 7.7

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 15.46 AU - 16.16 AU

Year: 23682 Days

Day: 21.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 49,098,926 km

• M1: 96,191 km (0.093 R)
• M2: 406,308 km (0.105 R)
• M3: 986,748 km (0.11 R)
• M4: 2,388,629 km (0.029 R)
• M5: 3,389,888 km (0.039 R)
• M6: 5,062,841 km (0.03 R)
• M7: 5,882,338 km (0.102 R)
• M8: 6,278,772 km (0.089 R)
• M9: 6,552,836 km (0.085 R)
• M10: 7,575,786 km (0.056 R)
• M11: 9,216,426 km (0.034 R)
• M12: 9,630,961 km (0.092 R)
• M13: 9,995,980 km (0.073 R)
• M14: 10,497,283 km (0.112 R)
• M15: 12,242,342 km (0.109 R)
• M16: 16,211,622 km (0.051 R)
• M17: 19,288,102 km (0.088 R)
• M18: 19,771,154 km (0.108 R)
• M19: 25,054,203 km (0.104 R)
• M20: 28,637,371 km (0.098 R)
• M21: 30,420,727 km (0.116 R)
• M22: 30,943,572 km (0.114 R)
• M23: 32,957,608 km (0.117 R)
• M24: 36,800,478 km (0.051 R)
• M25: 40,458,295 km (0.052 R)
• M26: 43,027,040 km (0.074 R)
• M27: 45,873,289 km (0.102 R)
• M28: 47,956,440 km (0.116 R)
• M29: 48,842,658 km (0.111 R)
• M30: 50,648,005 km (0.102 R)
• M31: 52,497,184 km (0.114 R)
• M32: 58,314,596 km (0.079 R)
• M33: 58,918,972 km (0.077 R)
• M34: 60,345,387 km (0.05 R)
• M35: 68,940,234 km (0.103 R)
• M36: 70,980,599 km (0.053 R)
• M37: 81,035,820 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 105.4

Radius: 3.3

Gravity: 9.68 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 14.63 AU - 19.39 AU

Year: 26429 Days

Day: 15.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 25.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 49,098,926 km

• M1: 71,209 km (0.065 R)
• M2: 249,679 km (0.097 R)
• M3: 356,791 km (0.104 R)
• M4: 521,797 km (0.066 R)
• M5: 1,200,822 km (0.091 R)
• M6: 1,559,857 km (0.112 R)
• M7: 2,669,724 km (0.056 R)
• M8: 2,973,557 km (0.06 R)
• M9: 3,675,620 km (0.072 R)
• M10: 3,968,832 km (0.108 R)
• M11: 4,220,006 km (0.085 R)
• M12: 5,069,573 km (0.114 R)
• M13: 5,466,456 km (0.047 R)
• M14: 5,919,289 km (0.074 R)
• M15: 6,702,882 km (0.03 R)
• M16: 7,938,860 km (0.116 R)
• M17: 8,203,050 km (0.111 R)
• M18: 9,126,218 km (0.099 R)
• M19: 10,690,563 km (0.092 R)
• M20: 10,958,642 km (0.075 R)
• M21: 12,661,665 km (0.086 R)
• M22: 24,320,425 km (0.07 R)
• M23: 29,956,525 km (0.109 R)
• M24: 33,245,135 km (0.097 R)
• M25: 36,283,168 km (0.094 R)
• M26: 43,038,709 km (0.083 R)
• M27: 45,650,837 km (0.081 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 12,705 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit