🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.26

Radius: 0.58

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 1.34 AU - 1.7 AU

Year: 659 Days

Day: 34 Hours

Environment

Temp: -20 °C

Axial Tilt: 7.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 1.55 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 1.25 AU - 1.85 AU

Year: 678 Days

Day: 17.7 Hours

Environment

Temp: -14 °C

Axial Tilt: 27.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.22

Radius: 1.08

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.79 AU - 1.95 AU

Year: 899 Days

Day: 39.6 Hours

Environment

Temp: -36 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,192,619 km

• M1: 682,017 km (0.072 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.79 AU - 2.55 AU

Year: 1123 Days

Day: 18.9 Hours

Environment

Temp: -68 °C

Axial Tilt: 1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 47,192,619 km

• M1: 52,060 km (0.101 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 4 AU - 4.66 AU

Year: 3167 Days

Day: 33.2 Hours

Environment

Temp: -110 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.54 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.7

Radius: 14.2

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.93 AU - 7.57 AU

Year: 6164 Days

Day: 7.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,192,619 km

• M1: 176,525 km (0.078 R)
• M2: 707,000 km (0.057 R)
• M3: 1,321,996 km (0.109 R)
• M4: 2,833,832 km (0.095 R)
• M5: 3,405,446 km (0.063 R)
• M6: 4,326,071 km (0.09 R)
• M7: 4,934,187 km (0.119 R)
• M8: 5,488,746 km (0.099 R)
• M9: 6,203,225 km (0.106 R)
• M10: 7,923,601 km (0.1 R)
• M11: 8,427,147 km (0.051 R)
• M12: 9,419,280 km (0.11 R)
• M13: 10,318,513 km (0.117 R)
• M14: 12,574,748 km (0.09 R)
• M15: 13,614,304 km (0.119 R)
• M16: 14,871,674 km (0.063 R)
• M17: 15,695,958 km (0.076 R)
• M18: 18,854,867 km (0.116 R)
• M19: 19,690,072 km (0.071 R)
• M20: 23,426,279 km (0.097 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.3

Radius: 11.9

Gravity: 5.81 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 6.28 AU - 9.1 AU

Year: 7495 Days

Day: 14.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 47,192,619 km

• M1: 148,102 km (0.112 R)
• M2: 625,020 km (0.118 R)
• M3: 1,000,211 km (0.104 R)
• M4: 1,494,932 km (0.081 R)
• M5: 1,928,466 km (0.1 R)
• M6: 2,482,726 km (0.071 R)
• M7: 3,098,621 km (0.09 R)
• M8: 3,524,825 km (0.068 R)
• M9: 4,413,885 km (0.093 R)
• M10: 5,769,691 km (0.088 R)
• M11: 8,447,792 km (0.1 R)
• M12: 8,970,936 km (0.116 R)
• M13: 10,472,300 km (0.048 R)
• M14: 11,703,939 km (0.102 R)
• M15: 12,576,992 km (0.071 R)
• M16: 26,882,289 km (0.112 R)
• M17: 28,984,438 km (0.089 R)
• M18: 31,400,294 km (0.102 R)
• M19: 35,495,236 km (0.082 R)
• M20: 36,172,765 km (0.119 R)
• M21: 40,420,746 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 430.4

Radius: 6

Gravity: 11.96 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 13.77 AU - 18.87 AU

Year: 23172 Days

Day: 15.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 47,192,619 km

• M1: 97,239 km (0.038 R)
• M2: 403,166 km (0.113 R)
• M3: 632,051 km (0.076 R)
• M4: 2,319,216 km (0.107 R)
• M5: 4,466,992 km (0.052 R)
• M6: 4,670,745 km (0.11 R)
• M7: 11,133,522 km (0.037 R)
• M8: 13,165,361 km (0.111 R)
• M9: 18,988,907 km (0.025 R)
• M10: 21,965,306 km (0.114 R)
• M11: 25,025,181 km (0.037 R)
• M12: 25,995,772 km (0.052 R)
• M13: 42,034,459 km (0.116 R)
• M14: 46,393,292 km (0.083 R)
• M15: 55,269,831 km (0.091 R)
• M16: 65,213,751 km (0.05 R)
• M17: 67,873,452 km (0.115 R)
• M18: 68,915,401 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 94

Radius: 3.4

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 14 AU - 21.58 AU

Year: 26372 Days

Day: 19.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,192,619 km

• M1: 42,336 km (0.09 R)
• M2: 295,007 km (0.117 R)
• M3: 504,444 km (0.084 R)
• M4: 677,978 km (0.085 R)
• M5: 1,156,840 km (0.117 R)
• M6: 1,393,205 km (0.105 R)
• M7: 1,631,215 km (0.098 R)
• M8: 1,767,648 km (0.092 R)
• M9: 1,961,677 km (0.109 R)
• M10: 2,528,653 km (0.056 R)
• M11: 3,014,846 km (0.069 R)
• M12: 3,739,049 km (0.088 R)
• M13: 5,623,534 km (0.057 R)
• M14: 15,330,491 km (0.106 R)
• M15: 18,840,505 km (0.047 R)
• M16: 19,538,679 km (0.073 R)
• M17: 33,281,786 km (0.12 R)
• M18: 39,079,751 km (0.09 R)
• M19: 40,086,096 km (0.106 R)
• M20: 46,488,885 km (0.117 R)

Kuiper Belt

Range: 31.2 - 52.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 14,326 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit