🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.6 AU - 0.84 AU

Year: 223 Days

Day: 24.7 Hours

Environment

Temp: 159 °C

Axial Tilt: 16.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.58

Radius: 1.67

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.74 AU - 1 AU

Year: 296 Days

Day: 26.9 Hours

Environment

Temp: 162 °C

Axial Tilt: 37.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Gas Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.3

Radius: 10.1

Gravity: 3.95 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 6.49 AU - 6.59 AU

Year: 6109 Days

Day: 8.8 Hours

Environment

Temp: -153 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 106,862,194 km

• M1: 130,150 km (0.08 R)
• M2: 1,756,279 km (0.084 R)
• M3: 2,646,237 km (0.079 R)
• M4: 3,002,429 km (0.08 R)
• M5: 5,022,150 km (0.08 R)
• M6: 5,600,346 km (0.12 R)
• M7: 9,140,729 km (0.088 R)
• M8: 11,054,535 km (0.087 R)
• M9: 11,560,175 km (0.043 R)
• M10: 12,519,247 km (0.119 R)
• M11: 14,595,367 km (0.041 R)
• M12: 14,925,529 km (0.079 R)
• M13: 18,634,958 km (0.108 R)
• M14: 21,613,003 km (0.084 R)
• M15: 22,550,233 km (0.102 R)
• M16: 23,665,037 km (0.112 R)
• M17: 26,981,771 km (0.041 R)
• M18: 27,899,105 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 870.9

Radius: 8.2

Gravity: 12.95 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 6.66 AU - 7.8 AU

Year: 7101 Days

Day: 10.7 Hours

Environment

Temp: -166 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 106,862,194 km

• M1: 102,325 km (0.09 R)
• M2: 389,254 km (0.084 R)
• M3: 877,990 km (0.077 R)
• M4: 1,452,895 km (0.057 R)
• M5: 1,869,525 km (0.114 R)
• M6: 3,027,412 km (0.098 R)
• M7: 3,518,991 km (0.07 R)
• M8: 3,833,894 km (0.064 R)
• M9: 6,033,731 km (0.028 R)
• M10: 8,742,649 km (0.119 R)
• M11: 9,368,118 km (0.081 R)
• M12: 16,944,053 km (0.094 R)
• M13: 20,738,902 km (0.102 R)
• M14: 22,011,831 km (0.1 R)
• M15: 28,872,987 km (0.051 R)
• M16: 30,863,387 km (0.089 R)
• M17: 31,684,530 km (0.092 R)
• M18: 34,126,565 km (0.109 R)
• M19: 36,236,344 km (0.084 R)
• M20: 40,347,743 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 989.6

Radius: 9.7

Gravity: 10.52 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 8.44 AU - 8.74 AU

Year: 9196 Days

Day: 14.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 106,862,194 km

• M1: 121,174 km (0.119 R)
• M2: 554,559 km (0.108 R)
• M3: 1,040,004 km (0.109 R)
• M4: 1,924,577 km (0.091 R)
• M5: 2,752,152 km (0.083 R)
• M6: 3,466,482 km (0.03 R)
• M7: 4,904,267 km (0.085 R)
• M8: 5,327,031 km (0.098 R)
• M9: 5,703,718 km (0.06 R)
• M10: 6,171,660 km (0.071 R)
• M11: 6,510,499 km (0.098 R)
• M12: 9,537,911 km (0.115 R)
• M13: 10,780,471 km (0.117 R)
• M14: 11,497,045 km (0.076 R)
• M15: 13,025,038 km (0.115 R)
• M16: 15,018,579 km (0.06 R)
• M17: 15,912,277 km (0.079 R)
• M18: 16,695,721 km (0.105 R)
• M19: 17,430,097 km (0.115 R)
• M20: 23,367,487 km (0.104 R)
• M21: 25,612,801 km (0.075 R)
• M22: 28,929,535 km (0.072 R)
• M23: 31,293,331 km (0.056 R)
• M24: 32,296,385 km (0.111 R)
• M25: 32,862,912 km (0.108 R)
• M26: 35,434,350 km (0.059 R)
• M27: 38,263,096 km (0.073 R)
• M28: 40,842,313 km (0.08 R)
• M29: 43,673,004 km (0.088 R)
• M30: 44,505,067 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 13.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 84.5

Radius: 5.2

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 10.95 AU - 16.71 AU

Year: 18786 Days

Day: 21.1 Hours

Environment

Temp: -198 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 106,862,194 km

• M1: 146,157 km (0.103 R)
• M2: 354,846 km (0.107 R)
• M3: 2,491,553 km (0.052 R)
• M4: 2,713,107 km (0.092 R)
• M5: 4,100,178 km (0.101 R)
• M6: 5,432,946 km (0.109 R)
• M7: 6,467,266 km (0.085 R)
• M8: 6,922,641 km (0.111 R)
• M9: 10,208,409 km (0.116 R)
• M10: 10,873,820 km (0.089 R)
• M11: 15,920,505 km (0.084 R)
• M12: 18,216,682 km (0.112 R)
• M13: 23,944,037 km (0.097 R)
• M14: 30,376,745 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 19.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 821.7

Radius: 6.9

Gravity: 17.26 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 15.1 AU - 23.02 AU

Year: 30393 Days

Day: 21 Hours

Environment

Temp: -198 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 106,862,194 km

• M1: 85,869 km (0.082 R)
• M2: 404,662 km (0.034 R)
• M3: 688,001 km (0.07 R)
• M4: 1,176,886 km (0.072 R)
• M5: 1,561,951 km (0.09 R)
• M6: 2,028,248 km (0.116 R)
• M7: 4,282,538 km (0.107 R)
• M8: 4,782,644 km (0.065 R)
• M9: 5,898,644 km (0.038 R)
• M10: 6,179,140 km (0.102 R)
• M11: 10,077,661 km (0.056 R)
• M12: 13,352,956 km (0.114 R)
• M13: 14,001,314 km (0.119 R)
• M14: 14,585,643 km (0.1 R)
• M15: 15,186,278 km (0.032 R)
• M16: 15,448,523 km (0.112 R)
• M17: 16,899,174 km (0.105 R)
• M18: 17,181,016 km (0.089 R)
• M19: 17,657,635 km (0.094 R)
• M20: 21,572,462 km (0.109 R)
• M21: 28,737,751 km (0.059 R)
• M22: 29,817,100 km (0.099 R)
• M23: 31,063,549 km (0.102 R)
• M24: 36,553,342 km (0.051 R)
• M25: 37,024,875 km (0.096 R)
• M26: 39,279,315 km (0.077 R)
• M27: 40,775,892 km (0.112 R)
• M28: 41,283,178 km (0.108 R)
• M29: 41,794,504 km (0.073 R)
• M30: 47,329,026 km (0.051 R)
• M31: 47,702,123 km (0.118 R)
• M32: 60,042,452 km (0.094 R)
• M33: 68,001,507 km (0.107 R)
• M34: 75,868,411 km (0.06 R)
• M35: 81,615,063 km (0.057 R)
• M36: 95,740,543 km (0.105 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 418 - 12,698 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit