🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.95 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.9

Radius: 1.89

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.9 AU - 1 AU

Year: 322 Days

Day: 27.6 Hours

Environment

Temp: 159 °C

Axial Tilt: 31.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,600,254 km

• M1: 555,756 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.54

Radius: 0.78

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.94 AU - 1 AU

Year: 333 Days

Day: 20 Hours

Environment

Temp: 133 °C

Axial Tilt: 10.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 57,600,254 km

• M1: 100,979 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.93

Radius: 1.3

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 2.87 AU - 3.17 AU

Year: 1828 Days

Day: 29 Hours

Environment

Temp: -84 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.85 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.3

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 4.5 AU - 5.2 AU

Year: 3720 Days

Day: 15.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 7.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.5

Radius: 11.3

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 5.26 AU - 7.92 AU

Year: 5891 Days

Day: 9.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 57,600,254 km

• M1: 140,622 km (0.094 R)
• M2: 690,245 km (0.071 R)
• M3: 1,428,061 km (0.105 R)
• M4: 1,845,888 km (0.066 R)
• M5: 3,254,202 km (0.092 R)
• M6: 4,460,111 km (0.099 R)
• M7: 8,387,504 km (0.069 R)
• M8: 9,766,347 km (0.101 R)
• M9: 11,832,743 km (0.104 R)
• M10: 12,651,642 km (0.077 R)
• M11: 15,940,102 km (0.103 R)
• M12: 18,582,748 km (0.105 R)
• M13: 23,113,918 km (0.1 R)
• M14: 26,830,378 km (0.062 R)
• M15: 27,266,456 km (0.075 R)
• M16: 32,974,961 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 293

Radius: 8.6

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 8.41 AU - 8.47 AU

Year: 8539 Days

Day: 12.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 57,600,254 km

• M1: 106,962 km (0.051 R)
• M2: 496,067 km (0.115 R)
• M3: 1,335,909 km (0.113 R)
• M4: 1,748,051 km (0.093 R)
• M5: 3,513,904 km (0.045 R)
• M6: 4,610,158 km (0.096 R)
• M7: 5,766,250 km (0.085 R)
• M8: 6,660,097 km (0.066 R)
• M9: 10,249,399 km (0.054 R)
• M10: 11,751,960 km (0.112 R)
• M11: 12,300,835 km (0.04 R)
• M12: 16,882,569 km (0.032 R)
• M13: 21,515,465 km (0.09 R)
• M14: 22,185,963 km (0.105 R)
• M15: 28,149,083 km (0.1 R)
• M16: 30,787,840 km (0.103 R)
• M17: 31,353,619 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.2

Radius: 12.1

Gravity: 3.31 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 9.87 AU - 14.29 AU

Year: 14622 Days

Day: 6.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 57,600,254 km

• M1: 150,495 km (0.056 R)
• M2: 1,218,175 km (0.059 R)
• M3: 1,676,394 km (0.073 R)
• M4: 2,482,277 km (0.097 R)
• M5: 3,480,095 km (0.11 R)
• M6: 5,559,805 km (0.104 R)
• M7: 8,225,041 km (0.098 R)
• M8: 9,177,829 km (0.105 R)
• M9: 9,991,791 km (0.081 R)
• M10: 12,972,679 km (0.1 R)
• M11: 16,355,236 km (0.072 R)
• M12: 16,946,148 km (0.058 R)
• M13: 17,704,908 km (0.106 R)
• M14: 18,725,016 km (0.094 R)
• M15: 22,650,614 km (0.096 R)
• M16: 24,135,672 km (0.062 R)
• M17: 24,999,001 km (0.066 R)
• M18: 27,609,185 km (0.101 R)
• M19: 31,515,933 km (0.105 R)
• M20: 32,316,282 km (0.115 R)
• M21: 33,012,959 km (0.107 R)
• M22: 36,397,461 km (0.049 R)
• M23: 39,873,966 km (0.047 R)
• M24: 44,702,088 km (0.119 R)
• M25: 52,733,848 km (0.063 R)
• M26: 54,024,279 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 12.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556

Radius: 13.8

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 10.9 AU - 13.26 AU

Year: 14622 Days

Day: 11.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 57,600,254 km

• M1: 172,038 km (0.072 R)
• M2: 718,818 km (0.117 R)
• M3: 1,557,763 km (0.106 R)
• M4: 3,273,351 km (0.071 R)
• M5: 4,306,025 km (0.062 R)
• M6: 5,945,767 km (0.103 R)
• M7: 7,700,251 km (0.108 R)
• M8: 8,673,086 km (0.06 R)
• M9: 9,164,366 km (0.107 R)
• M10: 9,622,434 km (0.081 R)
• M11: 10,806,950 km (0.091 R)
• M12: 11,728,024 km (0.114 R)
• M13: 12,514,311 km (0.073 R)
• M14: 13,015,464 km (0.107 R)
• M15: 14,668,670 km (0.033 R)
• M16: 15,367,740 km (0.079 R)
• M17: 15,870,240 km (0.075 R)
• M18: 22,604,238 km (0.067 R)
• M19: 24,985,388 km (0.103 R)
• M20: 26,185,910 km (0.066 R)
• M21: 27,007,352 km (0.082 R)
• M22: 32,184,785 km (0.102 R)
• M23: 32,653,774 km (0.046 R)
• M24: 34,331,515 km (0.082 R)
• M25: 35,440,035 km (0.105 R)
• M26: 37,211,573 km (0.104 R)
• M27: 41,067,757 km (0.06 R)
• M28: 46,813,213 km (0.094 R)
• M29: 49,721,096 km (0.094 R)
• M30: 50,822,137 km (0.077 R)
• M31: 54,057,639 km (0.1 R)

Kuiper Belt

Range: 31.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 160 - 17,612 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit