🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.74 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.25

Radius: 1.09

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.6 AU - 0.88 AU

Year: 227 Days

Day: 27.5 Hours

Environment

Temp: 191 °C

Axial Tilt: 19 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.3

Radius: 0.62

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.82 AU - 0.94 AU

Year: 294 Days

Day: 13.4 Hours

Environment

Temp: 91 °C

Axial Tilt: 25.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 47,910,496 km

• M1: 154,235 km (0.066 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.97 AU - 1.61 AU

Year: 522 Days

Day: 37.8 Hours

Environment

Temp: -7 °C

Axial Tilt: 18.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.66

Radius: 1.22

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.05 AU - 1.53 AU

Year: 522 Days

Day: 34.8 Hours

Environment

Temp: 1 °C

Axial Tilt: 107 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Gas Giant

Semi-Major Axis: 5.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.9

Radius: 11.4

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.43 AU - 6.29 AU

Year: 5056 Days

Day: 10.3 Hours

Environment

Temp: -143 °C

Axial Tilt: 47.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 47,910,496 km

• M1: 141,819 km (0.049 R)
• M2: 586,424 km (0.082 R)
• M3: 951,143 km (0.111 R)
• M4: 2,051,585 km (0.115 R)
• M5: 2,490,805 km (0.078 R)
• M6: 3,259,139 km (0.051 R)
• M7: 4,915,636 km (0.066 R)
• M8: 6,180,337 km (0.082 R)
• M9: 6,736,991 km (0.083 R)
• M10: 7,487,673 km (0.119 R)
• M11: 8,503,442 km (0.074 R)
• M12: 10,683,382 km (0.101 R)
• M13: 11,185,882 km (0.1 R)
• M14: 12,465,841 km (0.117 R)
• M15: 12,929,146 km (0.118 R)
• M16: 13,694,189 km (0.099 R)
• M17: 14,743,917 km (0.107 R)
• M18: 15,632,379 km (0.111 R)
• M19: 16,890,796 km (0.062 R)
• M20: 17,631,306 km (0.118 R)
• M21: 19,116,065 km (0.1 R)
• M22: 20,109,095 km (0.111 R)
• M23: 20,554,149 km (0.071 R)
• M24: 21,464,153 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 516.5

Radius: 12.8

Gravity: 3.15 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 7.07 AU - 9.13 AU

Year: 8217 Days

Day: 8 Hours

Environment

Temp: -169 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,910,496 km

• M1: 159,322 km (0.054 R)
• M2: 876,494 km (0.079 R)
• M3: 1,339,200 km (0.094 R)
• M4: 1,850,077 km (0.081 R)
• M5: 2,580,264 km (0.103 R)
• M6: 3,023,672 km (0.076 R)
• M7: 3,450,475 km (0.094 R)
• M8: 3,893,434 km (0.11 R)
• M9: 4,400,870 km (0.047 R)
• M10: 6,227,909 km (0.061 R)
• M11: 6,817,025 km (0.084 R)
• M12: 8,351,002 km (0.083 R)
• M13: 9,068,473 km (0.086 R)
• M14: 9,964,714 km (0.027 R)
• M15: 10,626,535 km (0.114 R)
• M16: 11,167,032 km (0.054 R)
• M17: 12,463,896 km (0.107 R)
• M18: 18,738,180 km (0.056 R)
• M19: 20,190,925 km (0.1 R)
• M20: 21,561,541 km (0.092 R)
• M21: 25,868,913 km (0.099 R)
• M22: 28,598,625 km (0.065 R)
• M23: 30,423,569 km (0.113 R)
• M24: 30,916,494 km (0.102 R)
• M25: 33,986,542 km (0.1 R)
• M26: 37,142,309 km (0.087 R)

Planet 7 - Gas Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.7

Radius: 9.3

Gravity: 8.98 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 7.2 AU - 9.12 AU

Year: 8309 Days

Day: 9.3 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 47,910,496 km

• M1: 137,331 km (0.066 R)
• M2: 517,908 km (0.096 R)
• M3: 829,221 km (0.118 R)
• M4: 1,479,673 km (0.065 R)
• M5: 1,772,136 km (0.106 R)
• M6: 2,552,439 km (0.045 R)
• M7: 3,130,036 km (0.118 R)
• M8: 5,960,129 km (0.045 R)
• M9: 6,749,557 km (0.115 R)
• M10: 10,214,991 km (0.115 R)
• M11: 11,828,704 km (0.109 R)
• M12: 15,098,763 km (0.117 R)
• M13: 16,152,980 km (0.032 R)
• M14: 16,560,634 km (0.093 R)
• M15: 17,396,736 km (0.054 R)
• M16: 17,897,141 km (0.086 R)
• M17: 21,838,596 km (0.115 R)
• M18: 22,505,204 km (0.097 R)
• M19: 23,099,557 km (0.03 R)
• M20: 25,582,283 km (0.109 R)
• M21: 28,042,121 km (0.081 R)
• M22: 28,532,652 km (0.119 R)
• M23: 29,329,261 km (0.096 R)
• M24: 30,243,154 km (0.11 R)
• M25: 31,914,611 km (0.085 R)
• M26: 34,648,213 km (0.074 R)
• M27: 36,245,320 km (0.119 R)
• M28: 36,944,541 km (0.075 R)
• M29: 37,771,667 km (0.059 R)
• M30: 39,955,347 km (0.027 R)
• M31: 41,838,186 km (0.074 R)

Planet 8 - Gas Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.6

Radius: 14.2

Gravity: 2.01 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 10.74 AU - 11.24 AU

Year: 12986 Days

Day: 6.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 47,910,496 km

• M1: 176,525 km (0.104 R)
• M2: 684,859 km (0.067 R)
• M3: 1,269,936 km (0.062 R)
• M4: 1,726,060 km (0.112 R)
• M5: 3,613,088 km (0.098 R)
• M6: 4,270,570 km (0.1 R)
• M7: 4,975,924 km (0.115 R)
• M8: 5,758,172 km (0.083 R)
• M9: 6,324,100 km (0.056 R)
• M10: 6,849,787 km (0.103 R)
• M11: 10,080,204 km (0.099 R)
• M12: 11,886,448 km (0.059 R)
• M13: 12,985,394 km (0.098 R)
• M14: 14,662,087 km (0.065 R)
• M15: 15,857,673 km (0.117 R)
• M16: 16,409,390 km (0.072 R)
• M17: 17,117,138 km (0.106 R)
• M18: 18,593,669 km (0.051 R)
• M19: 23,800,722 km (0.062 R)
• M20: 24,251,610 km (0.079 R)
• M21: 27,966,424 km (0.054 R)
• M22: 29,284,681 km (0.076 R)
• M23: 32,045,061 km (0.074 R)
• M24: 32,816,986 km (0.092 R)
• M25: 35,675,203 km (0.084 R)
• M26: 39,319,556 km (0.113 R)
• M27: 40,587,697 km (0.049 R)
• M28: 44,283,214 km (0.118 R)

Kuiper Belt

Range: 30.8 - 45.8 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 315 - 14,488 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit