🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.6 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.57

Radius: 1.2

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.48 AU - 0.72 AU

Year: 167 Days

Day: 47.5 Hours

Environment

Temp: 181 °C

Axial Tilt: 35.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 53,637,918 km

• M1: 53,257 km (0.113 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.15

Radius: 1.36

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.06 AU - 1.42 AU

Year: 497 Days

Day: 44.8 Hours

Environment

Temp: 23 °C

Axial Tilt: 19.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 1.24 AU - 1.64 AU

Year: 622 Days

Day: 13.4 Hours

Environment

Temp: -1 °C

Axial Tilt: 19.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 53,637,918 km

• M1: 153,188 km (0.113 R)

Asteroid Belt

Center: 3.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 543.2

Radius: 13.6

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 5.43 AU - 5.51 AU

Year: 4604 Days

Day: 10.1 Hours

Environment

Temp: -134 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 53,637,918 km

• M1: 171,589 km (0.092 R)
• M2: 771,177 km (0.066 R)
• M3: 1,248,544 km (0.043 R)
• M4: 3,574,492 km (0.074 R)
• M5: 4,082,376 km (0.108 R)
• M6: 4,518,454 km (0.068 R)
• M7: 5,458,378 km (0.07 R)
• M8: 6,463,974 km (0.069 R)
• M9: 8,110,149 km (0.063 R)
• M10: 8,617,585 km (0.117 R)
• M11: 10,061,953 km (0.115 R)
• M12: 10,734,246 km (0.091 R)
• M13: 11,213,707 km (0.12 R)
• M14: 13,376,294 km (0.05 R)
• M15: 13,932,050 km (0.093 R)
• M16: 14,928,521 km (0.096 R)
• M17: 15,471,711 km (0.109 R)
• M18: 16,713,373 km (0.104 R)
• M19: 17,299,348 km (0.067 R)
• M20: 18,203,966 km (0.118 R)
• M21: 19,651,924 km (0.054 R)
• M22: 21,448,296 km (0.105 R)
• M23: 22,421,729 km (0.1 R)
• M24: 25,136,182 km (0.108 R)
• M25: 25,673,388 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468.4

Radius: 10.6

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 4.55 AU - 6.89 AU

Year: 4923 Days

Day: 6.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,637,918 km

• M1: 132,245 km (0.077 R)
• M2: 860,637 km (0.034 R)
• M3: 1,294,022 km (0.093 R)
• M4: 1,937,442 km (0.046 R)
• M5: 2,303,209 km (0.029 R)
• M6: 2,715,201 km (0.098 R)
• M7: 3,446,137 km (0.077 R)
• M8: 4,372,746 km (0.118 R)
• M9: 4,983,554 km (0.046 R)
• M10: 5,594,960 km (0.109 R)
• M11: 5,933,351 km (0.052 R)
• M12: 9,079,394 km (0.105 R)
• M13: 10,115,359 km (0.078 R)
• M14: 10,534,233 km (0.116 R)
• M15: 10,921,093 km (0.092 R)
• M16: 12,232,618 km (0.073 R)
• M17: 17,803,194 km (0.119 R)
• M18: 18,850,977 km (0.106 R)
• M19: 21,753,176 km (0.107 R)
• M20: 22,381,487 km (0.066 R)
• M21: 23,021,916 km (0.04 R)

Asteroid Belt

Center: 6.34 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434

Radius: 13.2

Gravity: 2.49 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.91 AU - 7.01 AU

Year: 6608 Days

Day: 7.6 Hours

Environment

Temp: -162 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,637,918 km

• M1: 164,408 km (0.114 R)
• M2: 582,983 km (0.025 R)
• M3: 1,063,192 km (0.111 R)
• M4: 1,496,278 km (0.032 R)
• M5: 2,167,524 km (0.109 R)
• M6: 3,708,681 km (0.039 R)
• M7: 4,213,274 km (0.117 R)
• M8: 6,448,416 km (0.083 R)
• M9: 7,320,871 km (0.069 R)
• M10: 8,657,378 km (0.051 R)
• M11: 9,342,387 km (0.096 R)
• M12: 10,150,515 km (0.079 R)
• M13: 16,191,426 km (0.098 R)
• M14: 21,049,767 km (0.099 R)
• M15: 26,217,924 km (0.052 R)

Planet 7 - Ice Giant

Semi-Major Axis: 14.38 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 193

Radius: 3.2

Gravity: 18.85 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 13.17 AU - 15.59 AU

Year: 19625 Days

Day: 24.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 53,637,918 km

• M1: 40,990 km (0.091 R)
• M2: 160,818 km (0.099 R)
• M3: 528,978 km (0.061 R)
• M4: 790,475 km (0.099 R)
• M5: 1,974,243 km (0.112 R)
• M6: 2,914,615 km (0.117 R)
• M7: 8,094,890 km (0.119 R)
• M8: 10,564,602 km (0.075 R)
• M9: 12,522,838 km (0.105 R)
• M10: 13,431,495 km (0.029 R)
• M11: 18,486,407 km (0.094 R)
• M12: 19,582,062 km (0.074 R)
• M13: 30,371,659 km (0.031 R)
• M14: 33,808,670 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 188.6

Radius: 7.5

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 13.84 AU - 17.72 AU

Year: 22560 Days

Day: 17.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 53,637,918 km

• M1: 93,199 km (0.081 R)
• M2: 950,096 km (0.113 R)
• M3: 1,597,556 km (0.078 R)
• M4: 1,847,833 km (0.061 R)
• M5: 2,612,278 km (0.068 R)
• M6: 3,368,196 km (0.088 R)
• M7: 3,676,667 km (0.083 R)
• M8: 4,561,688 km (0.058 R)
• M9: 5,795,571 km (0.099 R)
• M10: 8,155,478 km (0.075 R)
• M11: 8,524,685 km (0.053 R)
• M12: 9,346,277 km (0.101 R)
• M13: 10,325,843 km (0.076 R)
• M14: 11,258,885 km (0.058 R)
• M15: 11,833,341 km (0.099 R)
• M16: 17,530,626 km (0.059 R)
• M17: 17,990,790 km (0.112 R)
• M18: 18,775,730 km (0.117 R)
• M19: 19,338,517 km (0.089 R)
• M20: 20,923,057 km (0.104 R)
• M21: 25,405,458 km (0.046 R)
• M22: 30,378,690 km (0.109 R)
• M23: 32,514,349 km (0.086 R)
• M24: 38,351,808 km (0.065 R)
• M25: 39,388,072 km (0.108 R)
• M26: 42,746,844 km (0.067 R)
• M27: 45,136,819 km (0.094 R)
• M28: 49,264,972 km (0.119 R)

Kuiper Belt

Range: 30.5 - 59.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 351 - 15,485 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit