🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.48

Radius: 0.75

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.57 AU - 0.75 AU

Year: 200 Days

Day: 46.2 Hours

Environment

Temp: 193 °C

Axial Tilt: 20.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.53

Radius: 1.83

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.34 AU - 3.26 AU

Year: 1747 Days

Day: 43.4 Hours

Environment

Temp: -99 °C

Axial Tilt: 8.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.86 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.3

Radius: 13.9

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4.15 AU - 5.69 AU

Year: 4068 Days

Day: 11.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 105,520,193 km

• M1: 172,935 km (0.044 R)
• M2: 607,517 km (0.071 R)
• M3: 1,321,248 km (0.091 R)
• M4: 1,879,847 km (0.061 R)
• M5: 3,308,656 km (0.057 R)
• M6: 4,265,035 km (0.111 R)
• M7: 7,686,638 km (0.086 R)
• M8: 8,663,961 km (0.092 R)
• M9: 9,440,224 km (0.097 R)
• M10: 10,389,572 km (0.086 R)
• M11: 12,430,536 km (0.101 R)
• M12: 13,017,109 km (0.065 R)
• M13: 13,469,343 km (0.089 R)
• M14: 14,246,205 km (0.09 R)
• M15: 15,776,143 km (0.105 R)
• M16: 17,172,639 km (0.089 R)
• M17: 20,818,040 km (0.109 R)
• M18: 22,210,945 km (0.088 R)
• M19: 23,888,536 km (0.063 R)
• M20: 24,720,151 km (0.069 R)
• M21: 25,885,219 km (0.093 R)
• M22: 26,762,610 km (0.116 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 85.7

Radius: 13.8

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.17 AU - 10.01 AU

Year: 9385 Days

Day: 9.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 105,520,193 km

• M1: 171,738 km (0.115 R)
• M2: 905,067 km (0.058 R)
• M3: 1,345,782 km (0.101 R)
• M4: 2,181,586 km (0.098 R)
• M5: 2,904,592 km (0.093 R)
• M6: 3,472,167 km (0.103 R)
• M7: 10,584,648 km (0.106 R)
• M8: 13,260,654 km (0.042 R)
• M9: 15,295,185 km (0.097 R)
• M10: 16,523,683 km (0.112 R)
• M11: 18,995,638 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38

Radius: 11.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 7.93 AU - 11.67 AU

Year: 11437 Days

Day: 7.7 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 105,520,193 km

• M1: 141,819 km (0.06 R)
• M2: 620,981 km (0.116 R)
• M3: 1,402,630 km (0.081 R)
• M4: 2,593,429 km (0.095 R)
• M5: 3,014,247 km (0.109 R)
• M6: 4,218,660 km (0.057 R)
• M7: 4,827,074 km (0.093 R)
• M8: 6,246,758 km (0.103 R)
• M9: 7,643,853 km (0.068 R)
• M10: 8,752,822 km (0.058 R)
• M11: 13,033,864 km (0.111 R)
• M12: 15,348,442 km (0.03 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.2

Radius: 11.9

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.38 AU - 12.26 AU

Year: 13268 Days

Day: 14.3 Hours

Environment

Temp: -183 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 105,520,193 km

• M1: 148,999 km (0.108 R)
• M2: 639,830 km (0.118 R)
• M3: 1,036,264 km (0.102 R)
• M4: 1,618,350 km (0.084 R)
• M5: 2,177,397 km (0.09 R)
• M6: 2,662,693 km (0.026 R)
• M7: 3,294,444 km (0.093 R)
• M8: 3,966,737 km (0.081 R)
• M9: 4,958,421 km (0.065 R)
• M10: 5,335,408 km (0.113 R)
• M11: 5,917,942 km (0.051 R)
• M12: 6,705,575 km (0.092 R)
• M13: 7,696,212 km (0.113 R)
• M14: 9,081,488 km (0.053 R)
• M15: 9,543,447 km (0.08 R)
• M16: 9,967,257 km (0.073 R)
• M17: 10,739,182 km (0.074 R)
• M18: 12,464,794 km (0.075 R)
• M19: 15,353,678 km (0.092 R)
• M20: 16,915,181 km (0.046 R)
• M21: 20,006,022 km (0.095 R)
• M22: 20,701,653 km (0.033 R)
• M23: 21,234,071 km (0.067 R)
• M24: 27,070,931 km (0.082 R)
• M25: 28,463,239 km (0.116 R)
• M26: 32,211,264 km (0.055 R)
• M27: 33,409,094 km (0.102 R)
• M28: 34,264,943 km (0.102 R)
• M29: 40,809,551 km (0.109 R)
• M30: 53,600,468 km (0.084 R)
• M31: 55,621,536 km (0.048 R)

Planet 7 - Ice Giant

Semi-Major Axis: 13.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 241.2

Radius: 3.2

Gravity: 23.55 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 10.67 AU - 16.59 AU

Year: 18759 Days

Day: 22.2 Hours

Environment

Temp: -198 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 105,520,193 km

• M1: 41,887 km (0.09 R)
• M2: 310,864 km (0.065 R)
• M3: 445,203 km (0.119 R)
• M4: 882,777 km (0.069 R)
• M5: 1,838,558 km (0.066 R)
• M6: 2,302,610 km (0.099 R)
• M7: 3,716,609 km (0.041 R)
• M8: 4,451,883 km (0.114 R)
• M9: 5,046,983 km (0.11 R)
• M10: 11,659,060 km (0.12 R)
• M11: 12,419,166 km (0.051 R)
• M12: 14,896,806 km (0.116 R)
• M13: 15,168,177 km (0.067 R)
• M14: 18,843,497 km (0.048 R)
• M15: 19,481,832 km (0.058 R)
• M16: 21,482,853 km (0.08 R)
• M17: 31,520,870 km (0.079 R)
• M18: 33,334,445 km (0.069 R)
• M19: 37,167,890 km (0.12 R)
• M20: 38,423,465 km (0.104 R)
• M21: 49,803,674 km (0.097 R)
• M22: 51,482,761 km (0.064 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 889.8

Radius: 7.9

Gravity: 14.26 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 18.04 AU - 18.12 AU

Year: 28658 Days

Day: 24.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 105,520,193 km

• M1: 98,585 km (0.046 R)
• M2: 616,194 km (0.106 R)
• M3: 929,003 km (0.058 R)
• M4: 1,929,813 km (0.096 R)
• M5: 2,338,813 km (0.113 R)
• M6: 2,777,284 km (0.114 R)
• M7: 3,585,263 km (0.087 R)
• M8: 4,618,236 km (0.111 R)
• M9: 5,224,556 km (0.12 R)
• M10: 6,845,299 km (0.1 R)
• M11: 11,539,830 km (0.097 R)
• M12: 11,977,105 km (0.094 R)
• M13: 15,179,397 km (0.092 R)
• M14: 16,883,466 km (0.042 R)
• M15: 18,513,036 km (0.034 R)
• M16: 21,203,853 km (0.063 R)
• M17: 21,970,691 km (0.084 R)
• M18: 26,963,969 km (0.113 R)
• M19: 28,255,447 km (0.057 R)
• M20: 35,795,031 km (0.113 R)
• M21: 37,038,338 km (0.095 R)
• M22: 43,165,119 km (0.096 R)
• M23: 50,512,319 km (0.073 R)
• M24: 60,595,216 km (0.077 R)
• M25: 64,612,218 km (0.066 R)
• M26: 65,758,886 km (0.073 R)
• M27: 66,918,868 km (0.027 R)
• M28: 74,167,184 km (0.083 R)
• M29: 84,621,831 km (0.108 R)
• M30: 94,245,911 km (0.11 R)
• M31: 95,423,994 km (0.102 R)
• M32: 98,714,249 km (0.115 R)
• M33: 99,929,283 km (0.119 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 11,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit