🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.12

Radius: 1.05

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.47 AU - 0.57 AU

Year: 132 Days

Day: 17.3 Hours

Environment

Temp: 195 °C

Axial Tilt: 39.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,438,863 km

• M1: 32,014 km (0.059 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.01 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.15

Radius: 1.77

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 0.93 AU - 1.09 AU

Year: 358 Days

Day: 19.3 Hours

Environment

Temp: 155 °C

Axial Tilt: 11.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,438,863 km

• M1: 41,289 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 1.48 AU - 1.84 AU

Year: 755 Days

Day: 33.6 Hours

Environment

Temp: -37 °C

Axial Tilt: 34.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,438,863 km

• M1: 737,966 km (0.104 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.24

Radius: 1.38

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 1.75 AU - 2.25 AU

Year: 999 Days

Day: 42.1 Hours

Environment

Temp: -58 °C

Axial Tilt: 33.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 79,438,863 km

• M1: 326,273 km (0.103 R)
• M2: 520,451 km (0.092 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.82 AU - 2.5 AU

Year: 1121 Days

Day: 35.8 Hours

Environment

Temp: -56 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.34

Radius: 1.62

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 3.54 AU - 4.62 AU

Year: 2910 Days

Day: 30.1 Hours

Environment

Temp: -120 °C

Axial Tilt: 29.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 79,438,863 km

• M1: 182,809 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 711.5

Radius: 8.8

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 8.14 AU - 11.38 AU

Year: 10766 Days

Day: 14.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 82.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 79,438,863 km

• M1: 109,506 km (0.096 R)
• M2: 391,647 km (0.088 R)
• M3: 1,190,949 km (0.054 R)
• M4: 1,524,851 km (0.1 R)
• M5: 2,405,235 km (0.064 R)
• M6: 3,151,130 km (0.047 R)
• M7: 3,464,687 km (0.106 R)
• M8: 4,355,841 km (0.088 R)
• M9: 5,426,064 km (0.104 R)
• M10: 9,286,886 km (0.104 R)
• M11: 10,244,313 km (0.085 R)
• M12: 11,210,565 km (0.054 R)
• M13: 11,887,795 km (0.042 R)
• M14: 12,893,392 km (0.069 R)
• M15: 14,018,966 km (0.073 R)
• M16: 16,825,123 km (0.062 R)
• M17: 19,260,277 km (0.113 R)
• M18: 20,067,208 km (0.108 R)
• M19: 21,234,221 km (0.086 R)
• M20: 22,446,113 km (0.089 R)
• M21: 22,800,660 km (0.083 R)
• M22: 27,654,962 km (0.094 R)
• M23: 31,468,660 km (0.097 R)
• M24: 33,271,015 km (0.096 R)
• M25: 34,197,475 km (0.079 R)
• M26: 35,739,530 km (0.119 R)
• M27: 37,950,437 km (0.118 R)
• M28: 38,834,261 km (0.12 R)
• M29: 41,435,319 km (0.084 R)
• M30: 41,835,194 km (0.111 R)
• M31: 43,050,527 km (0.038 R)
• M32: 45,268,764 km (0.101 R)
• M33: 45,834,992 km (0.107 R)
• M34: 46,262,842 km (0.056 R)
• M35: 46,981,660 km (0.061 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 493.2

Radius: 3.6

Gravity: 38.06 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 13.59 AU - 20.77 AU

Year: 25144 Days

Day: 15.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 79,438,863 km

• M1: 44,730 km (0.066 R)
• M2: 329,115 km (0.06 R)
• M3: 448,794 km (0.117 R)
• M4: 699,220 km (0.059 R)
• M5: 1,285,345 km (0.064 R)
• M6: 1,695,991 km (0.119 R)
• M7: 2,526,259 km (0.083 R)
• M8: 3,478,001 km (0.107 R)
• M9: 4,401,319 km (0.106 R)
• M10: 6,761,824 km (0.116 R)
• M11: 7,279,582 km (0.053 R)
• M12: 10,269,744 km (0.069 R)
• M13: 12,967,891 km (0.092 R)
• M14: 13,691,048 km (0.095 R)
• M15: 15,138,257 km (0.081 R)
• M16: 17,108,312 km (0.094 R)
• M17: 17,626,220 km (0.052 R)
• M18: 17,801,099 km (0.093 R)
• M19: 18,602,794 km (0.091 R)
• M20: 19,058,320 km (0.056 R)
• M21: 20,469,626 km (0.1 R)
• M22: 22,663,329 km (0.033 R)
• M23: 24,245,776 km (0.081 R)
• M24: 27,628,632 km (0.109 R)
• M25: 28,943,747 km (0.061 R)
• M26: 29,802,140 km (0.094 R)
• M27: 33,673,284 km (0.093 R)
• M28: 38,157,779 km (0.118 R)
• M29: 39,040,706 km (0.109 R)
• M30: 40,847,100 km (0.102 R)
• M31: 43,024,198 km (0.038 R)
• M32: 43,500,667 km (0.074 R)
• M33: 44,141,245 km (0.072 R)
• M34: 45,113,931 km (0.072 R)
• M35: 45,441,251 km (0.092 R)
• M36: 45,770,217 km (0.118 R)
• M37: 47,438,831 km (0.119 R)
• M38: 51,787,043 km (0.083 R)
• M39: 60,865,539 km (0.095 R)
• M40: 61,666,636 km (0.118 R)
• M41: 70,068,351 km (0.043 R)
• M42: 77,080,752 km (0.092 R)

Kuiper Belt

Range: 31.1 - 46.1 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 253 - 14,090 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit