🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 0.44 AU - 0.64 AU

Year: 150 Days

Day: 37.6 Hours

Environment

Temp: 227 °C

Axial Tilt: 37.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.72

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.58 AU - 0.8 AU

Year: 217 Days

Day: 27.5 Hours

Environment

Temp: 94 °C

Axial Tilt: 33.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 76,602,240 km

• M1: 691,890 km (0.062 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.08 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.66

Radius: 0.85

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.89 AU - 1.27 AU

Year: 425 Days

Day: 26.9 Hours

Environment

Temp: 15 °C

Axial Tilt: 22.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 76,602,240 km

• M1: 67,618 km (0.083 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.1 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.63

Radius: 1.22

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.86 AU - 1.34 AU

Year: 437 Days

Day: 17.8 Hours

Environment

Temp: -6 °C

Axial Tilt: 7.6 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 76,602,240 km

• M1: 86,767 km (0.107 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.3

Radius: 1.11

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.25 AU - 1.73 AU

Year: 689 Days

Day: 16.1 Hours

Environment

Temp: -58 °C

Axial Tilt: 5.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.37

Radius: 1.13

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.33 AU - 1.99 AU

Year: 810 Days

Day: 20.3 Hours

Environment

Temp: -53 °C

Axial Tilt: 44.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,602,240 km

• M1: 26,928 km (0.082 R)

Asteroid Belt

Center: 4.17 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.7

Radius: 10.3

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.52 AU - 6.82 AU

Year: 6524 Days

Day: 12.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 76,602,240 km

• M1: 128,355 km (0.084 R)
• M2: 489,035 km (0.085 R)
• M3: 882,927 km (0.114 R)
• M4: 1,543,401 km (0.078 R)
• M5: 3,452,120 km (0.09 R)
• M6: 3,856,334 km (0.112 R)
• M7: 5,293,221 km (0.119 R)
• M8: 6,837,221 km (0.113 R)
• M9: 10,108,777 km (0.058 R)
• M10: 10,641,645 km (0.066 R)
• M11: 11,295,387 km (0.109 R)
• M12: 13,303,290 km (0.083 R)
• M13: 14,241,268 km (0.085 R)
• M14: 14,604,193 km (0.072 R)
• M15: 17,733,631 km (0.1 R)
• M16: 19,826,954 km (0.107 R)
• M17: 20,662,458 km (0.087 R)
• M18: 21,919,230 km (0.085 R)
• M19: 23,226,416 km (0.102 R)
• M20: 27,273,337 km (0.05 R)
• M21: 27,645,986 km (0.101 R)
• M22: 29,074,047 km (0.105 R)
• M23: 30,751,189 km (0.062 R)
• M24: 32,805,766 km (0.119 R)
• M25: 35,722,326 km (0.109 R)
• M26: 36,958,752 km (0.076 R)
• M27: 37,991,277 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 997.9

Radius: 4.5

Gravity: 49.28 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 9.73 AU - 15.28 AU

Year: 16738 Days

Day: 19.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 76,602,240 km

• M1: 58,493 km (0.064 R)
• M2: 525,089 km (0.118 R)
• M3: 754,721 km (0.078 R)
• M4: 1,295,518 km (0.089 R)
• M5: 1,884,484 km (0.038 R)
• M6: 2,564,257 km (0.087 R)
• M7: 3,839,729 km (0.098 R)
• M8: 4,424,207 km (0.099 R)
• M9: 5,178,629 km (0.059 R)
• M10: 5,527,043 km (0.086 R)
• M11: 7,409,882 km (0.102 R)
• M12: 10,881,151 km (0.085 R)
• M13: 13,283,842 km (0.05 R)
• M14: 13,426,858 km (0.103 R)
• M15: 14,231,844 km (0.116 R)
• M16: 15,937,409 km (0.106 R)
• M17: 18,654,406 km (0.112 R)
• M18: 23,597,568 km (0.058 R)
• M19: 23,912,771 km (0.057 R)
• M20: 24,124,601 km (0.112 R)
• M21: 27,106,835 km (0.098 R)
• M22: 29,105,463 km (0.077 R)
• M23: 29,833,705 km (0.114 R)
• M24: 32,348,894 km (0.115 R)
• M25: 33,790,718 km (0.061 R)
• M26: 36,102,454 km (0.037 R)
• M27: 36,521,029 km (0.112 R)
• M28: 37,084,265 km (0.07 R)
• M29: 39,100,844 km (0.088 R)
• M30: 39,542,308 km (0.099 R)
• M31: 45,101,963 km (0.117 R)
• M32: 48,067,441 km (0.059 R)
• M33: 51,511,932 km (0.097 R)
• M34: 52,755,390 km (0.099 R)
• M35: 52,934,608 km (0.113 R)
• M36: 54,200,805 km (0.077 R)
• M37: 56,981,679 km (0.091 R)
• M38: 59,273,668 km (0.071 R)
• M39: 62,825,870 km (0.113 R)
• M40: 69,056,920 km (0.118 R)
• M41: 69,271,444 km (0.109 R)
• M42: 75,005,979 km (0.066 R)
• M43: 76,372,855 km (0.05 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 242 - 13,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit