🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.55 AU - 0.83 AU

Year: 205 Days

Day: 39.6 Hours

Environment

Temp: 153 °C

Axial Tilt: 27.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.07

Radius: 1.03

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.84 AU - 0.94 AU

Year: 301 Days

Day: 25 Hours

Environment

Temp: 156 °C

Axial Tilt: 43.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 105,877,015 km

• M1: 25,132 km (0.103 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.68 AU - 4.28 AU

Year: 2325 Days

Day: 22.6 Hours

Environment

Temp: -109 °C

Axial Tilt: 38.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 105,877,015 km

• M1: 115,340 km (0.104 R)
• M2: 177,722 km (0.115 R)

Planet 4 - Terrestrial

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.04

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.67 AU - 4.95 AU

Year: 3205 Days

Day: 32.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 27.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 105,877,015 km

• M1: 299,345 km (0.078 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.9

Radius: 11.7

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.36 AU - 11 AU

Year: 10787 Days

Day: 13 Hours

Environment

Temp: -178 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 105,877,015 km

• M1: 147,504 km (0.055 R)
• M2: 748,139 km (0.104 R)
• M3: 1,186,910 km (0.113 R)
• M4: 1,569,282 km (0.115 R)
• M5: 2,254,440 km (0.046 R)
• M6: 7,052,193 km (0.116 R)
• M7: 7,742,438 km (0.07 R)
• M8: 12,068,359 km (0.117 R)
• M9: 13,766,295 km (0.075 R)
• M10: 17,786,289 km (0.069 R)
• M11: 18,338,305 km (0.077 R)
• M12: 19,064,902 km (0.048 R)
• M13: 20,063,468 km (0.081 R)
• M14: 21,448,445 km (0.038 R)
• M15: 23,361,951 km (0.077 R)
• M16: 26,594,761 km (0.12 R)
• M17: 33,813,457 km (0.075 R)
• M18: 43,363,785 km (0.098 R)
• M19: 52,124,536 km (0.102 R)
• M20: 56,239,375 km (0.061 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.2

Radius: 8.6

Gravity: 5.71 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 10.13 AU - 13.61 AU

Year: 14647 Days

Day: 6.1 Hours

Environment

Temp: -188 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 105,877,015 km

• M1: 107,411 km (0.114 R)
• M2: 428,747 km (0.111 R)
• M3: 851,062 km (0.074 R)
• M4: 2,244,267 km (0.08 R)
• M5: 3,079,921 km (0.07 R)
• M6: 7,835,488 km (0.091 R)
• M7: 8,559,541 km (0.087 R)
• M8: 9,228,992 km (0.119 R)
• M9: 10,945,029 km (0.09 R)
• M10: 11,618,818 km (0.077 R)
• M11: 13,110,757 km (0.055 R)
• M12: 14,726,414 km (0.084 R)
• M13: 14,996,738 km (0.087 R)
• M14: 16,982,799 km (0.04 R)
• M15: 17,430,097 km (0.1 R)
• M16: 18,426,269 km (0.081 R)
• M17: 18,898,699 km (0.106 R)
• M18: 19,949,923 km (0.109 R)
• M19: 22,080,347 km (0.077 R)
• M20: 23,064,102 km (0.053 R)
• M21: 24,452,221 km (0.092 R)
• M22: 27,598,414 km (0.051 R)
• M23: 29,588,813 km (0.091 R)
• M24: 31,004,458 km (0.063 R)
• M25: 31,897,856 km (0.096 R)
• M26: 34,919,883 km (0.07 R)
• M27: 41,124,604 km (0.111 R)
• M28: 47,730,098 km (0.113 R)
• M29: 49,070,794 km (0.083 R)
• M30: 51,983,315 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.98 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 990.1

Radius: 4.7

Gravity: 44.82 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 16.52 AU - 19.44 AU

Year: 27306 Days

Day: 19.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 105,877,015 km

• M1: 58,493 km (0.102 R)
• M2: 437,424 km (0.03 R)
• M3: 1,312,721 km (0.1 R)
• M4: 2,095,268 km (0.097 R)
• M5: 2,612,727 km (0.083 R)
• M6: 3,691,028 km (0.1 R)
• M7: 4,913,692 km (0.119 R)
• M8: 5,683,522 km (0.084 R)
• M9: 7,245,324 km (0.071 R)
• M10: 7,786,868 km (0.107 R)
• M11: 10,766,708 km (0.034 R)
• M12: 12,660,917 km (0.101 R)
• M13: 15,723,335 km (0.099 R)
• M14: 17,377,438 km (0.04 R)
• M15: 18,542,506 km (0.044 R)
• M16: 18,741,621 km (0.08 R)
• M17: 20,175,517 km (0.103 R)
• M18: 24,672,728 km (0.057 R)
• M19: 27,928,426 km (0.036 R)
• M20: 37,612,944 km (0.099 R)
• M21: 38,575,756 km (0.12 R)
• M22: 46,144,510 km (0.062 R)
• M23: 48,934,959 km (0.069 R)
• M24: 53,227,970 km (0.09 R)
• M25: 59,046,130 km (0.101 R)
• M26: 63,001,797 km (0.107 R)
• M27: 66,896,428 km (0.12 R)
• M28: 70,463,589 km (0.066 R)
• M29: 70,705,788 km (0.091 R)
• M30: 83,266,773 km (0.08 R)
• M31: 93,679,982 km (0.111 R)
• M32: 99,959,203 km (0.109 R)

Kuiper Belt

Range: 30.6 - 50.6 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 504 - 12,446 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit