🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.77 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.92

Radius: 1.73

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 0.66 AU - 0.88 AU

Year: 244 Days

Day: 30.5 Hours

Environment

Temp: 145 °C

Axial Tilt: 38.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.37 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.81

Radius: 1.51

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.32 AU - 1.42 AU

Year: 580 Days

Day: 27.3 Hours

Environment

Temp: -12 °C

Axial Tilt: 5.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 4.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.02

Radius: 1.32

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 4.4 AU - 4.74 AU

Year: 3533 Days

Day: 32.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 17.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.33

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 4.32 AU - 5.06 AU

Year: 3673 Days

Day: 22.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 16.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 60,610,352 km

• M1: 74,949 km (0.109 R)

Asteroid Belt

Center: 5.75 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 6.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.2

Radius: 14.7

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 5.13 AU - 8.49 AU

Year: 6427 Days

Day: 5.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,610,352 km

• M1: 182,809 km (0.091 R)
• M2: 680,371 km (0.092 R)
• M3: 1,234,781 km (0.096 R)
• M4: 2,647,882 km (0.115 R)
• M5: 3,255,399 km (0.107 R)
• M6: 4,330,260 km (0.093 R)
• M7: 5,152,450 km (0.046 R)
• M8: 5,630,265 km (0.115 R)
• M9: 7,631,436 km (0.105 R)
• M10: 8,444,800 km (0.118 R)
• M11: 10,114,312 km (0.091 R)
• M12: 11,004,569 km (0.112 R)
• M13: 12,536,900 km (0.066 R)
• M14: 14,153,155 km (0.109 R)
• M15: 16,022,381 km (0.095 R)
• M16: 16,863,270 km (0.104 R)
• M17: 21,444,406 km (0.111 R)
• M18: 21,951,244 km (0.079 R)
• M19: 22,763,710 km (0.051 R)
• M20: 23,981,287 km (0.109 R)
• M21: 24,684,995 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 7.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520

Radius: 14

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 6.35 AU - 7.67 AU

Year: 6712 Days

Day: 7.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,610,352 km

• M1: 174,730 km (0.091 R)
• M2: 1,083,537 km (0.093 R)
• M3: 1,628,522 km (0.056 R)
• M4: 3,034,144 km (0.11 R)
• M5: 5,280,506 km (0.119 R)
• M6: 6,382,294 km (0.114 R)
• M7: 6,988,016 km (0.027 R)
• M8: 10,158,743 km (0.066 R)
• M9: 11,563,167 km (0.108 R)
• M10: 12,363,217 km (0.109 R)
• M11: 14,870,477 km (0.118 R)
• M12: 18,027,591 km (0.091 R)
• M13: 24,081,068 km (0.036 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 388.5

Radius: 5.2

Gravity: 14.37 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 12.97 AU - 13.93 AU

Year: 17839 Days

Day: 18.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,610,352 km

• M1: 64,776 km (0.113 R)
• M2: 464,501 km (0.078 R)
• M3: 792,570 km (0.089 R)
• M4: 1,428,360 km (0.101 R)
• M5: 2,159,595 km (0.119 R)
• M6: 2,458,491 km (0.073 R)
• M7: 2,853,131 km (0.059 R)
• M8: 6,155,803 km (0.091 R)
• M9: 6,552,088 km (0.108 R)
• M10: 7,617,075 km (0.107 R)
• M11: 8,120,472 km (0.098 R)
• M12: 12,220,949 km (0.11 R)
• M13: 12,846,268 km (0.113 R)
• M14: 15,132,573 km (0.103 R)
• M15: 19,974,457 km (0.11 R)
• M16: 22,005,099 km (0.106 R)
• M17: 25,353,099 km (0.065 R)
• M18: 29,245,337 km (0.099 R)
• M19: 30,930,706 km (0.083 R)
• M20: 39,252,088 km (0.085 R)
• M21: 40,335,625 km (0.032 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 288.8

Radius: 6.7

Gravity: 6.43 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 12.14 AU - 18.7 AU

Year: 21899 Days

Day: 15.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,610,352 km

• M1: 83,476 km (0.032 R)
• M2: 402,119 km (0.12 R)
• M3: 660,026 km (0.103 R)
• M4: 1,110,764 km (0.046 R)
• M5: 1,957,189 km (0.1 R)
• M6: 2,907,285 km (0.076 R)
• M7: 3,300,727 km (0.097 R)
• M8: 3,618,772 km (0.071 R)
• M9: 3,841,973 km (0.088 R)
• M10: 8,112,244 km (0.092 R)
• M11: 10,486,661 km (0.078 R)
• M12: 13,687,158 km (0.086 R)
• M13: 17,170,096 km (0.08 R)
• M14: 17,963,563 km (0.038 R)
• M15: 18,451,102 km (0.073 R)
• M16: 28,476,403 km (0.046 R)
• M17: 33,212,373 km (0.115 R)
• M18: 37,385,854 km (0.061 R)
• M19: 37,649,446 km (0.027 R)
• M20: 40,770,955 km (0.097 R)
• M21: 42,037,899 km (0.103 R)
• M22: 44,650,177 km (0.115 R)
• M23: 48,768,607 km (0.096 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 13,953 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit