🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.34

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.52 AU - 0.8 AU

Year: 205 Days

Day: 33.3 Hours

Environment

Temp: 182 °C

Axial Tilt: 34.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,611,987 km

• M1: 125,064 km (0.117 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.51

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.61 AU - 0.73 AU

Year: 210 Days

Day: 25.5 Hours

Environment

Temp: 104 °C

Axial Tilt: 3.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 79,611,987 km

• M1: 38,895 km (0.027 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.31

Radius: 0.63

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.57 AU - 0.87 AU

Year: 234 Days

Day: 32.9 Hours

Environment

Temp: 84 °C

Axial Tilt: 16 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 0.99 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.44

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.83 AU - 1.15 AU

Year: 377 Days

Day: 27.6 Hours

Environment

Temp: 23 °C

Axial Tilt: 16 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 79,611,987 km

• M1: 55,800 km (0.083 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.36

Radius: 1.41

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1 AU - 1.64 AU

Year: 581 Days

Day: 14.4 Hours

Environment

Temp: -47 °C

Axial Tilt: 6.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.06 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 3.63 AU - 4.49 AU

Year: 3132 Days

Day: 22.9 Hours

Environment

Temp: -129 °C

Axial Tilt: 21.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 864.8

Radius: 11.9

Gravity: 6.11 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.76 AU - 5.46 AU

Year: 3790 Days

Day: 12 Hours

Environment

Temp: -140 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,611,987 km

• M1: 147,952 km (0.088 R)
• M2: 549,623 km (0.043 R)
• M3: 1,040,453 km (0.079 R)
• M4: 2,233,945 km (0.112 R)
• M5: 3,480,544 km (0.031 R)
• M6: 3,854,988 km (0.09 R)
• M7: 4,279,845 km (0.073 R)
• M8: 5,277,663 km (0.116 R)
• M9: 5,889,219 km (0.071 R)
• M10: 8,226,985 km (0.029 R)
• M11: 9,323,837 km (0.102 R)
• M12: 11,170,772 km (0.084 R)
• M13: 11,576,781 km (0.1 R)
• M14: 13,001,850 km (0.118 R)
• M15: 14,594,020 km (0.104 R)
• M16: 16,197,709 km (0.066 R)
• M17: 16,660,116 km (0.115 R)
• M18: 17,071,959 km (0.104 R)
• M19: 17,977,326 km (0.072 R)
• M20: 21,921,474 km (0.105 R)
• M21: 25,855,898 km (0.075 R)

Planet 8 - Gas Giant

Semi-Major Axis: 9.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 693.6

Radius: 14.4

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 7.98 AU - 11.42 AU

Year: 11567 Days

Day: 9.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 79,611,987 km

• M1: 179,817 km (0.05 R)
• M2: 675,584 km (0.097 R)
• M3: 1,402,779 km (0.053 R)
• M4: 4,712,632 km (0.104 R)
• M5: 5,597,354 km (0.09 R)
• M6: 6,826,300 km (0.097 R)
• M7: 7,399,260 km (0.097 R)
• M8: 8,688,944 km (0.092 R)
• M9: 15,514,496 km (0.062 R)
• M10: 19,991,063 km (0.085 R)
• M11: 24,499,643 km (0.107 R)
• M12: 25,360,280 km (0.076 R)
• M13: 28,479,395 km (0.087 R)
• M14: 29,217,511 km (0.053 R)
• M15: 29,968,493 km (0.059 R)
• M16: 37,948,043 km (0.102 R)
• M17: 38,585,330 km (0.101 R)
• M18: 40,805,512 km (0.043 R)
• M19: 43,109,768 km (0.111 R)
• M20: 47,385,574 km (0.099 R)
• M21: 49,777,794 km (0.115 R)
• M22: 51,936,192 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.9

Radius: 7.5

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 17.66 AU - 18.12 AU

Year: 28972 Days

Day: 16.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 79,611,987 km

• M1: 94,995 km (0.049 R)
• M2: 497,862 km (0.036 R)
• M3: 861,684 km (0.116 R)
• M4: 1,320,949 km (0.109 R)
• M5: 2,462,231 km (0.096 R)
• M6: 3,896,875 km (0.098 R)
• M7: 4,525,934 km (0.071 R)
• M8: 6,197,541 km (0.08 R)
• M9: 13,107,915 km (0.117 R)
• M10: 18,053,920 km (0.04 R)
• M11: 20,646,900 km (0.074 R)
• M12: 21,931,048 km (0.116 R)
• M13: 26,903,232 km (0.115 R)
• M14: 27,838,369 km (0.066 R)
• M15: 41,420,658 km (0.106 R)
• M16: 42,666,510 km (0.084 R)
• M17: 53,364,552 km (0.096 R)
• M18: 66,140,211 km (0.11 R)
• M19: 68,918,542 km (0.119 R)
• M20: 73,795,882 km (0.108 R)
• M21: 75,625,015 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 234 - 14,220 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit